Hand Landmarker Java API and unit test.
PiperOrigin-RevId: 487307858
This commit is contained in:
MediaPipe Team
committed by
Copybara-Service
Copybara-Service
parent
6f66a7fde4
commit
7066ee231e
+24
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.google.mediapipe.tasks.vision.handlandmarkertest"
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android:versionCode="1"
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android:versionName="1.0" >
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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<uses-sdk android:minSdkVersion="24"
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android:targetSdkVersion="30" />
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<application
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android:label="handlandmarkertest"
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android:name="android.support.multidex.MultiDexApplication"
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android:taskAffinity="">
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<uses-library android:name="android.test.runner" />
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</application>
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<instrumentation
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android:name="com.google.android.apps.common.testing.testrunner.GoogleInstrumentationTestRunner"
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android:targetPackage="com.google.mediapipe.tasks.vision.handlandmarkertest" />
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</manifest>
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# Copyright 2022 The MediaPipe Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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package(default_visibility = ["//mediapipe/tasks:internal"])
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licenses(["notice"])
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# TODO: Enable this in OSS
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+424
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// Copyright 2022 The MediaPipe Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.mediapipe.tasks.vision.handlandmarker;
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import static com.google.common.truth.Truth.assertThat;
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import static org.junit.Assert.assertThrows;
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import android.content.res.AssetManager;
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import android.graphics.BitmapFactory;
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import android.graphics.RectF;
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import androidx.test.core.app.ApplicationProvider;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import com.google.common.truth.Correspondence;
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import com.google.mediapipe.framework.MediaPipeException;
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import com.google.mediapipe.framework.image.BitmapImageBuilder;
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import com.google.mediapipe.framework.image.MPImage;
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import com.google.mediapipe.tasks.components.containers.Category;
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import com.google.mediapipe.tasks.components.containers.Landmark;
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import com.google.mediapipe.tasks.components.containers.proto.LandmarksDetectionResultProto.LandmarksDetectionResult;
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import com.google.mediapipe.tasks.core.BaseOptions;
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import com.google.mediapipe.tasks.vision.core.ImageProcessingOptions;
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import com.google.mediapipe.tasks.vision.core.RunningMode;
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import com.google.mediapipe.tasks.vision.handlandmarker.HandLandmarker.HandLandmarkerOptions;
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import java.io.InputStream;
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import java.util.Arrays;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.Suite;
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import org.junit.runners.Suite.SuiteClasses;
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/** Test for {@link HandLandmarker}. */
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@RunWith(Suite.class)
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@SuiteClasses({HandLandmarkerTest.General.class, HandLandmarkerTest.RunningModeTest.class})
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public class HandLandmarkerTest {
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private static final String HAND_LANDMARKER_BUNDLE_ASSET_FILE = "hand_landmarker.task";
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private static final String TWO_HANDS_IMAGE = "right_hands.jpg";
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private static final String THUMB_UP_IMAGE = "thumb_up.jpg";
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private static final String POINTING_UP_ROTATED_IMAGE = "pointing_up_rotated.jpg";
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private static final String NO_HANDS_IMAGE = "cats_and_dogs.jpg";
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private static final String THUMB_UP_LANDMARKS = "thumb_up_landmarks.pb";
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private static final String POINTING_UP_ROTATED_LANDMARKS = "pointing_up_rotated_landmarks.pb";
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private static final String TAG = "Hand Landmarker Test";
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private static final float LANDMARKS_ERROR_TOLERANCE = 0.03f;
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private static final int IMAGE_WIDTH = 382;
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private static final int IMAGE_HEIGHT = 406;
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@RunWith(AndroidJUnit4.class)
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public static final class General extends HandLandmarkerTest {
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@Test
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public void detect_successWithValidModels() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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HandLandmarkerResult actualResult =
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handLandmarker.detect(getImageFromAsset(THUMB_UP_IMAGE));
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HandLandmarkerResult expectedResult =
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getExpectedHandLandmarkerResult(THUMB_UP_LANDMARKS);
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assertActualResultApproximatelyEqualsToExpectedResult(actualResult, expectedResult);
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}
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@Test
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public void detect_successWithEmptyResult() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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HandLandmarkerResult actualResult =
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handLandmarker.detect(getImageFromAsset(NO_HANDS_IMAGE));
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assertThat(actualResult.landmarks()).isEmpty();
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assertThat(actualResult.worldLandmarks()).isEmpty();
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assertThat(actualResult.handednesses()).isEmpty();
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}
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@Test
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public void detect_successWithNumHands() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.setNumHands(2)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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HandLandmarkerResult actualResult =
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handLandmarker.detect(getImageFromAsset(TWO_HANDS_IMAGE));
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assertThat(actualResult.handednesses()).hasSize(2);
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}
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@Test
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public void recognize_successWithRotation() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.setNumHands(1)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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ImageProcessingOptions imageProcessingOptions =
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ImageProcessingOptions.builder().setRotationDegrees(-90).build();
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HandLandmarkerResult actualResult =
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handLandmarker.detect(
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getImageFromAsset(POINTING_UP_ROTATED_IMAGE), imageProcessingOptions);
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HandLandmarkerResult expectedResult =
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getExpectedHandLandmarkerResult(POINTING_UP_ROTATED_LANDMARKS);
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assertActualResultApproximatelyEqualsToExpectedResult(actualResult, expectedResult);
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}
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@Test
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public void recognize_failsWithRegionOfInterest() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.setNumHands(1)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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ImageProcessingOptions imageProcessingOptions =
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ImageProcessingOptions.builder().setRegionOfInterest(new RectF(0, 0, 1, 1)).build();
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IllegalArgumentException exception =
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assertThrows(
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IllegalArgumentException.class,
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() ->
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handLandmarker.detect(getImageFromAsset(THUMB_UP_IMAGE), imageProcessingOptions));
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assertThat(exception)
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.hasMessageThat()
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.contains("HandLandmarker doesn't support region-of-interest");
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}
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}
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@RunWith(AndroidJUnit4.class)
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public static final class RunningModeTest extends HandLandmarkerTest {
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@Test
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public void create_failsWithIllegalResultListenerInNonLiveStreamMode() throws Exception {
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for (RunningMode mode : new RunningMode[] {RunningMode.IMAGE, RunningMode.VIDEO}) {
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IllegalArgumentException exception =
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assertThrows(
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IllegalArgumentException.class,
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() ->
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.setRunningMode(mode)
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.setResultListener((HandLandmarkerResults, inputImage) -> {})
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.build());
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assertThat(exception)
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.hasMessageThat()
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.contains("a user-defined result listener shouldn't be provided");
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}
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}
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}
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@Test
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public void create_failsWithMissingResultListenerInLiveSteamMode() throws Exception {
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IllegalArgumentException exception =
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assertThrows(
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IllegalArgumentException.class,
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() ->
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder()
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.setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE)
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.build())
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.setRunningMode(RunningMode.LIVE_STREAM)
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.build());
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assertThat(exception)
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.hasMessageThat()
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.contains("a user-defined result listener must be provided");
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}
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@Test
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public void recognize_failsWithCallingWrongApiInImageMode() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.IMAGE)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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MediaPipeException exception =
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assertThrows(
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MediaPipeException.class,
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() ->
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handLandmarker.detectForVideo(
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getImageFromAsset(THUMB_UP_IMAGE), /*timestampsMs=*/ 0));
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assertThat(exception).hasMessageThat().contains("not initialized with the video mode");
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exception =
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assertThrows(
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MediaPipeException.class,
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() ->
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handLandmarker.detectAsync(getImageFromAsset(THUMB_UP_IMAGE), /*timestampsMs=*/ 0));
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assertThat(exception).hasMessageThat().contains("not initialized with the live stream mode");
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}
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@Test
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public void recognize_failsWithCallingWrongApiInVideoMode() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.VIDEO)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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MediaPipeException exception =
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assertThrows(
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MediaPipeException.class,
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() -> handLandmarker.detect(getImageFromAsset(THUMB_UP_IMAGE)));
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assertThat(exception).hasMessageThat().contains("not initialized with the image mode");
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exception =
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assertThrows(
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MediaPipeException.class,
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() ->
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handLandmarker.detectAsync(getImageFromAsset(THUMB_UP_IMAGE), /*timestampsMs=*/ 0));
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assertThat(exception).hasMessageThat().contains("not initialized with the live stream mode");
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}
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@Test
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public void recognize_failsWithCallingWrongApiInLiveSteamMode() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.LIVE_STREAM)
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.setResultListener((HandLandmarkerResults, inputImage) -> {})
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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MediaPipeException exception =
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assertThrows(
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MediaPipeException.class,
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() -> handLandmarker.detect(getImageFromAsset(THUMB_UP_IMAGE)));
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assertThat(exception).hasMessageThat().contains("not initialized with the image mode");
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exception =
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assertThrows(
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MediaPipeException.class,
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() ->
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handLandmarker.detectForVideo(
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getImageFromAsset(THUMB_UP_IMAGE), /*timestampsMs=*/ 0));
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assertThat(exception).hasMessageThat().contains("not initialized with the video mode");
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}
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@Test
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public void recognize_successWithImageMode() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.IMAGE)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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HandLandmarkerResult actualResult =
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handLandmarker.detect(getImageFromAsset(THUMB_UP_IMAGE));
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HandLandmarkerResult expectedResult =
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getExpectedHandLandmarkerResult(THUMB_UP_LANDMARKS);
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assertActualResultApproximatelyEqualsToExpectedResult(actualResult, expectedResult);
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}
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@Test
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public void recognize_successWithVideoMode() throws Exception {
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.VIDEO)
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.build();
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HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options);
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HandLandmarkerResult expectedResult =
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getExpectedHandLandmarkerResult(THUMB_UP_LANDMARKS);
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for (int i = 0; i < 3; i++) {
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HandLandmarkerResult actualResult =
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handLandmarker.detectForVideo(getImageFromAsset(THUMB_UP_IMAGE), /*timestampsMs=*/ i);
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assertActualResultApproximatelyEqualsToExpectedResult(actualResult, expectedResult);
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}
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}
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@Test
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public void recognize_failsWithOutOfOrderInputTimestamps() throws Exception {
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MPImage image = getImageFromAsset(THUMB_UP_IMAGE);
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HandLandmarkerResult expectedResult =
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getExpectedHandLandmarkerResult(THUMB_UP_LANDMARKS);
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.LIVE_STREAM)
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.setResultListener(
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(actualResult, inputImage) -> {
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assertActualResultApproximatelyEqualsToExpectedResult(
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actualResult, expectedResult);
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assertImageSizeIsExpected(inputImage);
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})
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.build();
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try (HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options)) {
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handLandmarker.detectAsync(image, /*timestampsMs=*/ 1);
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MediaPipeException exception =
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assertThrows(
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MediaPipeException.class,
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() -> handLandmarker.detectAsync(image, /*timestampsMs=*/ 0));
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assertThat(exception)
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.hasMessageThat()
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.contains("having a smaller timestamp than the processed timestamp");
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}
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}
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@Test
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public void recognize_successWithLiveSteamMode() throws Exception {
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MPImage image = getImageFromAsset(THUMB_UP_IMAGE);
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HandLandmarkerResult expectedResult =
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getExpectedHandLandmarkerResult(THUMB_UP_LANDMARKS);
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HandLandmarkerOptions options =
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HandLandmarkerOptions.builder()
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.setBaseOptions(
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BaseOptions.builder().setModelAssetPath(HAND_LANDMARKER_BUNDLE_ASSET_FILE).build())
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.setRunningMode(RunningMode.LIVE_STREAM)
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.setResultListener(
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(actualResult, inputImage) -> {
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assertActualResultApproximatelyEqualsToExpectedResult(
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actualResult, expectedResult);
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assertImageSizeIsExpected(inputImage);
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})
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.build();
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try (HandLandmarker handLandmarker =
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HandLandmarker.createFromOptions(ApplicationProvider.getApplicationContext(), options)) {
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for (int i = 0; i < 3; i++) {
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handLandmarker.detectAsync(image, /*timestampsMs=*/ i);
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}
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}
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}
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private static MPImage getImageFromAsset(String filePath) throws Exception {
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AssetManager assetManager = ApplicationProvider.getApplicationContext().getAssets();
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InputStream istr = assetManager.open(filePath);
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return new BitmapImageBuilder(BitmapFactory.decodeStream(istr)).build();
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}
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private static HandLandmarkerResult getExpectedHandLandmarkerResult(
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String filePath) throws Exception {
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AssetManager assetManager = ApplicationProvider.getApplicationContext().getAssets();
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InputStream istr = assetManager.open(filePath);
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LandmarksDetectionResult landmarksDetectionResultProto =
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LandmarksDetectionResult.parser().parseFrom(istr);
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return HandLandmarkerResult.create(
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Arrays.asList(landmarksDetectionResultProto.getLandmarks()),
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Arrays.asList(landmarksDetectionResultProto.getWorldLandmarks()),
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Arrays.asList(landmarksDetectionResultProto.getClassifications()),
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/*timestampMs=*/ 0);
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}
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private static void assertActualResultApproximatelyEqualsToExpectedResult(
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HandLandmarkerResult actualResult, HandLandmarkerResult expectedResult) {
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// Expects to have the same number of hands detected.
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assertThat(actualResult.landmarks()).hasSize(expectedResult.landmarks().size());
|
||||
assertThat(actualResult.worldLandmarks()).hasSize(expectedResult.worldLandmarks().size());
|
||||
assertThat(actualResult.handednesses()).hasSize(expectedResult.handednesses().size());
|
||||
|
||||
// Actual landmarks match expected landmarks.
|
||||
assertThat(actualResult.landmarks().get(0))
|
||||
.comparingElementsUsing(
|
||||
Correspondence.from(
|
||||
(Correspondence.BinaryPredicate<Landmark, Landmark>)
|
||||
(actual, expected) -> {
|
||||
return Correspondence.tolerance(LANDMARKS_ERROR_TOLERANCE)
|
||||
.compare(actual.x(), expected.x())
|
||||
&& Correspondence.tolerance(LANDMARKS_ERROR_TOLERANCE)
|
||||
.compare(actual.y(), expected.y());
|
||||
},
|
||||
"landmarks approximately equal to"))
|
||||
.containsExactlyElementsIn(expectedResult.landmarks().get(0));
|
||||
|
||||
// Actual handedness matches expected handedness.
|
||||
Category actualTopHandedness = actualResult.handednesses().get(0).get(0);
|
||||
Category expectedTopHandedness = expectedResult.handednesses().get(0).get(0);
|
||||
assertThat(actualTopHandedness.index()).isEqualTo(expectedTopHandedness.index());
|
||||
assertThat(actualTopHandedness.categoryName()).isEqualTo(expectedTopHandedness.categoryName());
|
||||
}
|
||||
|
||||
private static void assertImageSizeIsExpected(MPImage inputImage) {
|
||||
assertThat(inputImage).isNotNull();
|
||||
assertThat(inputImage.getWidth()).isEqualTo(IMAGE_WIDTH);
|
||||
assertThat(inputImage.getHeight()).isEqualTo(IMAGE_HEIGHT);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user