JPEG_Deblocking

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JPEG_Deblocking

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Deblocking filter | DCT | PSNR

// repository documentation

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JPEG_Deblocking
===============

Deblocking filter | DCT | PSNR

There are total of 3 operations that can be performed.

Compile files:

For DCT: <br>
g++ Dct_operations.cpp FileIO/fileIO.cpp DCT/Dct.cpp -o DctOperations

For JPEG Deblocking:<br>
g++ JPEG_deblocking.cpp Deblocking/deblock.cpp FileIO/fileIO.cpp YUV/yuv.cpp -o JPEG_Deblocking

For PSNR:<br>
g++ PSNR.cpp FileIO/fileIO.cpp -o PSNR

1. DCT operations

Run the file *DctOperations* and follow its usage.
   e.g. Run the file as:
   DctOperations -i lena.raw -q 60

2. JPEG deblocking

Run the file *JPEG_Deblocking* and follow its usage.
   e.g. Run the file as:
   JPEG_Deblocking -i pepper.raw -c 1
   
   CHECK OUTPUT IN MATLAB
   -Once you get the desired output, you can check the quality of the output
    images by running the matlab file *checkImageBlocking.m*.
   -Enter the desired filenames in this file and you get the compared image output.

3. Calculate MSE and PSNR

Run the file *PSNR* and follow its usage.
   e.g. Run the file as:
   PSNR -i resources/original.dat -o resources/quantized.dat

IMP:

Refer to the file jpeg.pdf and JPEGCodeReference.rtf for more details.

JPEG_Deblocking

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