image-processing
The discrete cosine transform
taught
The real 2D DCT-II formula JPEG uses, including its genuinely simple DC-coefficient shortcut (N times a block's own mean).
Taught in
-
The discrete cosine transform
Digital Image Processing
Requires
Required by
- Block-based transform coding required
Local knowledge map
Local knowledge map
Click to expand
Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.