搜索资源列表
dct
- 在编码端,影像首先被分割成8 8块。 DCT的操作,然后 适用于每个图像块。据国际视频标准(JPEG,H.261...), 变换系数四舍五入到最接近的整数,并剪辑成12位( 2048至 2047)。这些系数,然后根据锯齿扫描顺序安排到1-D数据阵列。 然后,选择一些系数和量化。在解码器端,量化系数 反DCT(IDCT)重建。 IDCT的输出调整和裁剪,以0 255。 (我们只有Y信号处理。),DCT,量化和锯齿扫描规格 为了下页。 下面
DCT
- 图像压缩。对图像进行DCT变换。 取灰度图,DCT,IDCT。-Discrete Cosine Transform of an image
DCT-and-iDCT
- 一个简单的图像DCT变换和反DCT变换 没有注释-A simple image DCT and inverse DCT transform
Tmmxxrarh
- 使用MMX的IDCT算法。Uses MMMX the IDCT algorithm -Use MMX IDCT algorithm. Uses MMMX the IDCT algorithm
Mmedctto
- 修改过的,用线形汇编改写的DCT,QQUANT,IDCT,IQUANT,代码 -The modified, linear assembler rewritten DCT, QQUANT, IDCT, IQUANT code
Some-basic-transformations-in-MATLAB
- 图像处理的一些基本变换,FFT,IFFT,DCT,IDCT,小波变换,哈夫曼编码等的MATLAB程序代码。-Some basic image processing transform, FFT, IFFT, DCT, IDCT, wavelet transform, Huffman coding MATLAB program code.
DCTaIDCT
- 这是在VS2010平台上编写的MFC应用程序,采用单文档模式,用四种不同的方法实现图像的DCT(离散余弦变换)以及IDCT变换,支持8*8分块儿变换-This MFC application written in VS2010 platform, a single document mode, using four different methods to achieve image DCT (discrete cosine transform) and IDCT transform and s
DCT
- 用VC++实现图像DCT变换及IDCT,界面友好便于实现-complish DCT by VC++
DCT-a-Hamming-coding
- 1.DCT变换,对整个图像的直接DCT变换和分块为8*8做DCT变换,并设定阈值。 2.汉明编码(7,4),译码以及找出错误图样和纠错。并在不同的转移概率的BSC道下进行传输。-DCT:Direct DCT and IDCT,blocking. hamming coding:decoding and picking up errors.
RAW_DCT_IDCT
- RAW DCT & IDCT Transform
dequant_idct_neon
- vp8 dequant idct neon for Embedded Linux.
idct_v6
- short idct 4x4 llm v6 for Embedded Linux.
dc_only_idct_add_neon
- vp8 dc only idct add v6 for Embedded Linux.
idctllm_altivec
- short idct 4x4 llm ppc for Embedded Linux.
dequant_idct_v6
- vp8 dequant idct v6 for Embedded Linux.
dequant_dc_idct_v6
- vp8 dequant dc idct v6 for Embedded Linux.
jpegDCT
- 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.
D_IDCT
- 定点的idct源代码,自己编写的,对有需要的朋友应该有帮助.-spot idct source code, prepared by himself, in need of friends should help.
FDTCandIDTC
- IDCT,FDCT,以及霍夫曼编码,可以比较原始块和编码后的输出块间的误差-IDCT, FDCT, as well as the Huffman code, you can compare the original block and the code after the error between the output block
idct
- 两个对已知图像库的图像,实现有效的反余弦变换,实现图像的压缩编码-2 pairs of image database of known images, to achieve effective anti-cosine transform, image compression coding