How can I find the elapsed time between two images from video file with matlab?
How can I find the elapsed time between two images from video file with matlab?
I drop a drop of water on a surface. I want to find the water absorption time of the surface from the video I recorded with MATLAB. Can you help me? I don’t know much about Matlab.
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To find the elapsed time between two images from a video file in MATLAB, you will need to follow these steps:
- Read in the video file using the VideoReader function.
video = VideoReader('your_video_file.mp4');2. Extract two frames from the video.
frame1 = read(video, frame_number_1);
frame2 = read(video, frame_number_2);3. Convert the frames to grayscale.
gray1 = rgb2gray(frame1);
gray2 = rgb2gray(frame2);4. Calculate the absolute difference between the two grayscale frames.
diff = abs(double(gray1) - double(gray2));5. Threshold the difference image to focus only on the region where the water has been absorbed.
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