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MJpeg Image file structure

Started by majiraju in Image Signal Processing21 years ago

Hi, I have demuxed the Mjpeg data from .AVI file extension.I wanted to read file info.I find no marker for Huffman...

Hi, I have demuxed the Mjpeg data from .AVI file extension.I wanted to read file info.I find no marker for Huffman table.Moreover,FF E2 APP2 marker is used .I suspect that Huffman table and its parameters may be in the FF E2 marker data.I am not able to read its contents.If


where can i download some error concealment source code for MPEG-4/MPEG-2?

Started by eagle_jyjh in Image Signal Processing21 years ago 1 reply

hi all, i want to add error concealment features to my mpeg-4/mpeg-2 decoder, so i want to download some source code for...

hi all, i want to add error concealment features to my mpeg-4/mpeg-2 decoder, so i want to download some source code for reference. where are there such source code?


Edge Detection using sobel's mask for 8 bit bmp

Started by raam baranidharan in Image Signal Processing21 years ago 1 reply

Hi, I am coding a c program to perform edge detection on 8 bit bmp files using sobel's masks.The output of the program though is...

Hi, I am coding a c program to perform edge detection on 8 bit bmp files using sobel's masks.The output of the program though is pretty ordinary & i am not sure if it is detecting edges at all. The program works as follows- 1.I first read the bmp file & store the


question about GOPS..??.

Started by Khubaib in Image Signal Processing21 years ago 1 reply

Dear members ! i have some questions. 1) What is GOPS..?? (it is Group of pictures).. How many frames (thus, 16 x 16...

Dear members ! i have some questions. 1) What is GOPS..?? (it is Group of pictures).. How many frames (thus, 16 x 16 macroblocks) are there in a GOP..? Any standard..? 2) Is 4CIF (704x576) pixels a standard image format..?. khubaib


calling matlab functions from c

Started by nirupama venkataraman in Image Signal Processing21 years ago

hi, I am doing my project in image processing,the main code is written in c language and i have to use matlab functions in...

hi, I am doing my project in image processing,the main code is written in c language and i have to use matlab functions in between the prog I have written the following prog and wanted to know if it would work, #include #include"eng


time-frequency resolution.... please reply...

Started by k_2002_m in Image Signal Processing21 years ago 1 reply

dear members, Can anybody of you please clarify the meaning of "time- resolution" and "frequency-resolution" in the context of...

dear members, Can anybody of you please clarify the meaning of "time- resolution" and "frequency-resolution" in the context of time- frequency analysis of signal? WHAT DO THEY ACTUALLY MEAN? And how one is traded off against the other? I know t


sRGB implementation

Started by Chandranath.M. in Image Signal Processing21 years ago

Dear All, Can anybody explain me the fundamentals of sRGB(Standard default color space for the compatibility among all kinds of...

Dear All, Can anybody explain me the fundamentals of sRGB(Standard default color space for the compatibility among all kinds of displays) As for as my knowledge this is also the standard of IEC 61966-2-1. Most of the technical documents available on internet explains with


RGB of Y pixels...???...

Started by Khubaib in Image Signal Processing21 years ago 2 replies

Dear members..I have a question...if i have only Y pixels of an image ( no U and V pixels), then what is the way to get the...

Dear members..I have a question...if i have only Y pixels of an image ( no U and V pixels), then what is the way to get the corresponding R, G and B componenets... ( the problem is that i have a Y pixel file of an image and i want to get its R, G and B equivalent)... regards, K


Region Segmentation

Started by eyupsengil in Image Signal Processing21 years ago 1 reply

Hello all i am looking for knowledge on the method region growing.. can anyone say what its criterias are or advice some links...

Hello all i am looking for knowledge on the method region growing.. can anyone say what its criterias are or advice some links about the method? thank you Sincerely Eyup Sengil The Technical University of Istanbul


Color Histogram

Started by Swetha in Image Signal Processing21 years ago 1 reply

Hai, Is there any build-in function for Histogram for color images.? I want histogram of color for a colour image. How can I do...

Hai, Is there any build-in function for Histogram for color images.? I want histogram of color for a colour image. How can I do that.? Thanks in advance. Swetha.


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