JPEG DCT, Discrete Cosine Transform (JPEG Pt2)- Computerphile

DCT is the secret to JPEG's compression. Image Analyst Mike Pound explains how the compression works.

Colourspaces:    • Colourspaces (JPEG Pt0)- Computerphile  
JPEG 'files' & Colour:    • JPEG 'files' & Colour (JPEG Pt1)- Com...  
Computer That Changed Everything (Altair 8800):    • Computer That Changed Everything (Alt...  
Problems with JPEG: COMING SOON
Upside Down Trees (Huffman Encoding):    • How Huffman Trees Work - Computerphile  

Colourspaces:    • Colourspaces (JPEG Pt0)- Computerphile  
JPEG isn't a file format - JPEG pt1:    • JPEG 'files' & Colour (JPEG Pt1)- Com...  
Upside Down Trees (Huffman Encoding):    • How Huffman Trees Work - Computerphile  
Problems with JPEG: COMING SOON!
Computer That Changed Everything (Altair 8800):    • Computer That Changed Everything (Alt...  


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  / computer_phile  

This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: http://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com