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Discussion Groups | Image Signal Processing
Technical Discussions related to Image Processing (image coding, compression, digital effects, mpeg, etc)
JPEG 2000 bitplanes
venkatesh viswanathan - Apr 27 2004
Hi
Can anyone explain what is meant by a bitplane in JPEG 2000 ?
Can someone explain with a simple example if the coefficient is say
120(or take any example)? ... 
Figure of Merit
venkatesh viswanathan - Apr 5 2004
HI Guys
I want to calculate figure of merit between two edge images .I am comparing
various techniques like PSNR etc .
Can anyone send me the utility to get FO... JPEG Baseline
venkatesh viswanathan - Apr 4 2004
Hi Guys
Does anyone know 4/3 Huffman code for JPEG Baseline .
4 runlength 0 s and 3 for size
I dont have it in the book that I follow
thanks
Venky
... MATLAB code for MSE?
mohan nithiyaa - Apr 1 2004
Hi,
Thanks Venky. It would be great if you or someone
could forward me the MATLAB code to find the MSE
between two (128*128) (phase) images please.
Thanks in... YCbCr 4:2:0 [2 Articles]
Dok - Apr 1 2004
Hi!
How does the 4:2:0 Chrominance format look like in
data stream?
Say I have these pixels...
Y0 Y1 Y4 Y5 ...
Cb0/Cr0 Cb1/Cr1 ...
Y2 Y3 Y6 Y7 ... ... Recommendation on a good JPEG encoder for TI C55xx DSPs?
jeanpierrepoulin - Mar 31 2004
Hi,
Would anyone offer a recomendation on how to encode standard JPEG
from raw pixels using a C55xx DSP?
If all else fails, I'm considering porting the stan... query on MSE
mohan nithiyaa - Mar 31 2004
Hi,
Can anyone let me know how to could calculate the
mean square error(MSE) between two (phase) images
obtained after phase unwrapping.
It is a sort of urgent ... PSNR in Matlab
venkatesh viswanathan - Mar 31 2004
Guys
Can anyone reply with the sample code to calculate PSNR of two
images in MATLAB?
thanks
Venky
... Gaussian smoothing [3 Articles]
ujjavalsuthar - Mar 29 2004
Can anybody explain me how gaussian smoothing works for image smoothing?
I mean to say how does that affect the image after operation. What
changes it makes to imag... Most optimal match in gray scale images ?
venkatesh viswanathan - Feb 22 2004
Hi All
How to find the Most Optimal Match of every pixel comparing another
gray scale image ?
How to declare them as matched or unmatched ?
Assume that I ...