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DCT
- 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。-The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used to decompress.
jpeg
- jpeg compression , use DCT, Zigzag, Quantization,IDCT, InvZigzag, huffman to do the compression with matlab
Myproject
- It is a laboratory work from bsuir, where foto can be normilized by brightness, contrast, algorithm JPEG, dct idct
mirt_dctn
- steganography dct image algorithm. very useful for implementing dct and idct concepts in matlab-steganography dct image algorithm. very useful for implementing dct and idct concepts in matlab......
idct2dim_ib002
- This program computes the 2D IDCT as per the equation. The result matches the output of the built-in Matlab function.Good for analysis.
DCT
- DCT and IDCT code in matlab.
ques12
- . Write MATLAB code that will do the following. (a) Apply DCT on an image and obtain the o/p (b) On the DCT image apply quantization using standard quantiser. (8×8) (c) Apply IDCT to retain back the image. Apply Hoffman compression -. Writ
jpeg
- It shows what a jpeg compression is all about. the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transforms that might be more efficient.
idct16psk
- generate mimo-ofdm using dct and idct matlab source code