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GitOrigin-RevId: 2146b10f0a498f665f246e16033b686c7947b92d
This commit is contained in:
MediaPipe Team
2021-05-10 16:42:02 -04:00
committed by chuoling
parent a9b643e0f5
commit 017c1dc7ea
52 changed files with 708 additions and 298 deletions
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mediapipe/util/filtering/one_euro_filter.cc
+3 -2
View File
@@ -21,7 +21,8 @@ OneEuroFilter::OneEuroFilter(double frequency, double min_cutoff, double beta,
last_time_ = 0;
}
double OneEuroFilter::Apply(absl::Duration timestamp, double value) {
double OneEuroFilter::Apply(absl::Duration timestamp, double value_scale,
double value) {
int64_t new_timestamp = absl::ToInt64Nanoseconds(timestamp);
if (last_time_ >= new_timestamp) {
// Results are unpredictable in this case, so nothing to do but
@@ -39,7 +40,7 @@ double OneEuroFilter::Apply(absl::Duration timestamp, double value) {
// estimate the current variation per second
double dvalue = x_->HasLastRawValue()
? (value - x_->LastRawValue()) * frequency_
? (value - x_->LastRawValue()) * value_scale * frequency_
: 0.0; // FIXME: 0.0 or value?
double edvalue = dx_->ApplyWithAlpha(dvalue, GetAlpha(derivate_cutoff_));
// use it to update the cutoff frequency
mediapipe/util/filtering/one_euro_filter.h
+1 -1
View File
@@ -13,7 +13,7 @@ class OneEuroFilter {
OneEuroFilter(double frequency, double min_cutoff, double beta,
double derivate_cutoff);
double Apply(absl::Duration timestamp, double value);
double Apply(absl::Duration timestamp, double value_scale, double value);
private:
double GetAlpha(double cutoff);