video-filter/README.md

Photo Background Remover

A simple Go program that captures a photo from your webcam and removes the background.

Prerequisites

1. Install ffmpeg

# Ubuntu/Debian
sudo apt install ffmpeg

# macOS
brew install ffmpeg

2. Install Docker

# Ubuntu/Debian
sudo apt install docker.io

# macOS
brew install --cask docker

The program uses the danielgatis/rembg Docker container for background removal. The AI model (~176MB) will be downloaded automatically on first run.

Usage

1. Build and run the program:

go run main.go

2. The program will:
   • Capture a photo from your webcam
   • Remove the background
   • Save both images in the output/ directory

Output

• output/photo_TIMESTAMP.jpg - Original photo
• output/photo_TIMESTAMP_nobg.png - Photo with background removed

Troubleshooting

• Webcam not found: Make sure /dev/video0 exists (Linux) or adjust the device in the code
• ffmpeg not found: Install ffmpeg using the commands above
• Docker not found: Install Docker using the commands above
• Docker permission denied: Add your user to the docker group: sudo usermod -a -G docker $USER (then log out and back in)
• Webcam permission denied: You may need to add your user to the video group: sudo usermod -a -G video $USER