qash

Hello every body

can any one help me to decode the the data of a compressed JPEG file.
I have got all the markers and also tried it by standard huffman tables in JPEG standard

Thankyou

DaWei

Are you asking someone to write your code for you? It's much better if you attempt it yourself and seek help when you hit a wall.

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Dizzutch

readup on libjpeg.

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qash

Sir we have already write the whole code of the following in the project of JPEG

Huffman Decoding by the code tables given in CCITT Standard document.
DeQuantization
IDCT
But the decoded information we found after decoding it by Huffman Table given in Standard Document of JPEG issued by CCITT is not according to the original image. According to the that Standard, most of the JPEG files are compressed by those tables but a table is also availavle in Huffman Table marker in Start of File. So can you tell us how can we retrieve that huffman table from JPEG marker.