复制代码public void processVideoString outputFolderPath Mat frame = new Mat; int frameCount = 0; while videoCapturereadframe Mat alphaChannel = extractAlphaChannelframe; saveAlpha

public void processVideo(String outputFolderPath) { Mat frame = new Mat(); int frameCount = 0;

while (videoCapture.read(frame)) {
    Mat alphaChannel = extractAlphaChannel(frame);
    if(alphaChannel.empty()) {
        continue; // Skip the frame if alpha channel is empty
    }
    saveAlphaAsPNG(alphaChannel, outputFolderPath, frameCount);
    frameCount++;
}

videoCapture.release();

}