Using DCT algorithm compress and decompress an image to .bin
$10-30 USD
Completed
Posted over 7 years ago
$10-30 USD
Paid on delivery
1. Load the picture, if you can't divide it by 8, add zeroes to the pixels
2. Read 8x8 blocks
3. Subtract 128, to get values from [-128,127]
4. Use FDCT equation on the block
5. Enter compression factor, everything under that number becomes 0
6. zigzag scan
7. Put it in binary
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