How JPEG Works: A Brief Summary
JPEG Compression is extremely amazing at reducing image sizes! But how does it work? Join me in this 4 video series, where we explore every single algorithm that makes JPEG GREAT!
In this FINAL video, we are finally ENCODING and DECODING a complete image! We cover all the topics learnt in the previous videos and apply them! Watch the video to learn more!
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Playlist Link - • JPEG Compression
01 - YCbCr & Chroma Subsampling
02 - Discrete Cosine Transform & Quantization
03 - Run Length Encoding & Huffman Encoding
04 - JPEG Overview
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Chapters :
0:00 Intro
0:28 Split RGB
0:34 Convert RGB to YCbCr
0:37 4.2.0 Chroma Subsampling
1:06 Subtract 128
1:22 Discrete Cosine Transform
1:31 Quantization
1:37 Round Values
1:59 DC Encoding
2:49 Zigzag Traversal
3:03 Run Length Encoding
3:36 Huffman Encoding
4:11 Attach DC
4:20 Interval (Recess)
4:35 DC Decoding
5:30 Bits Traversal
6:48 Reverse Zigzag Traversal
6:52 Requantization
6:56 Inverse DCT
7:04 Add 128
7:22 Decoded Result
7:57 Size Comparisions
8:02 512 to 49
8:24 Outro
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Channel - / @askushow
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