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)- Computer...   Computer That Changed Everything (Altair 8800):    • Computer That Changed Everything (Altair 8...   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)- Computer...   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 (Altair 8...     / computerphile     / 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