explain 4-D unit8

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asmi
asmi 2015-6-6
评论： asmi 2015-6-8
when i read the video ex- vid = read(obj); then in vid we get the 4-D uint8..then 4d means(h,w,b,f) is or not..
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Walter Roberson
Walter Roberson 2015-6-8
Each frame of a video is represented by a 3D array -- height, width, and color channel (R, G, B). You can store multiple frames in the same array by using the 4th dimension, making the array height, width, channel, frames
IM(13,5,2,14)
is frame 14, channel 2 (Green), pixel row 13, pixel column 5.
asmi
asmi 2015-6-8
Thanx Walter Roberson..

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Walter Roberson
Walter Roberson 2015-6-6
Height, Width, Color Plane, Frame Number, where Color Plane is in the order Red, Green, Blue

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