I extracted frames from yuv file but frames are black, and how can apply depth's yuv file on left camera yuv file?

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I have absolutely no idea what that means. Is yuv the color space? Where does the depth information come from? What does "apply depth's yuv file" mean? What is "depth" and how does it own a yuv file? Assuming depth did have a YUV file, what does it mean to "apply" it?
In general to see a floating point image you should use [], like
imshow(depthImage, []);
imshow(yImage, []);
imshow(yuv(:, :, 3), []);
DGM
DGM 2022년 4월 25일
편집: DGM 2022년 4월 25일
If you extracted frames from a YUV file and they're "black", then
  • What format is the file and how did you "extract" them?
  • Did you convert the YCbCr data to RGB? If so, how?
  • What is the class and data range of the output?
Sahar Akhtar
Sahar Akhtar 2022년 4월 26일
I extracted frame from a yuv video image and formate is yuv I extracted by using this code and did not convert it in rgb is it necessary to convert in rgb and how to convert it?
for iframe=1:nframe
frame=read((iframe-1)*frame_length+1:iframe*frame_length);
yImage = reshape(frame(1:width*height), width, height)';
uImage = reshape(frame(width*height+1:1.25*width*height), width/2, height/2)';
vImage = reshape(frame(1.25*width*height+1:1.5*width*height), width/2, height/2)';
y(:,:,nframe)=yImage;
u(:,:,nframe)=uImage;
v(:,:,nframe)=vImage;
end
c = 0;
for iFrame = 25:10:120
c = c + 1;
subplot(5,4,c), imshow(y(:,:,iFrame));
title(['frame #', num2str(iFrame)]);
end
DGM
DGM 2022년 4월 26일
It's not clear to me what read() method you're using. That doesn't doesn't look like it makes sense for the videoreader method by the same name. Since I don't know what read() is and you never said what the class or range of the data is, I really have nothing to go on.
If all you want to see is luma, you should be able to just use Y without converting to RGB. Since nobody knows what the class or range of the image data is, maybe you can at least get something to show up if you use an implicit displayrange parameter when calling imshow().
imshow(Y(:,:,frame),[])

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도움말 센터File Exchange에서 Convert Image Type에 대해 자세히 알아보기

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R2017b

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2022년 4월 24일

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DGM
2022년 4월 26일

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