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[Special Effects] 图像dct变换的程序

Description: 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1．对此图进行 8×8 DCT 变换后，分别只保留 DC系数，以及保留前 4、8、16 个变换系数(DC＋AC) ，然后再分别进行 IDCT 变换，比较结果。 2．可以使用 Matlab - Image Processing Toolbox 中的函数实现。 -gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8 DCT, the only difference reservations DC coefficient, and the preservation of the former 4, 8 or 16 DCT coefficients (DC + AC), and then separately IDCT transformation, the results of the comparison. 2. Using Matlab-Image Processing Toolbox to achieve the function.
Platform: | Size: 1036 | Author: 朱晓路 | Hits:

[Other resource] dct_p

Description: 这是用VHDL语言(硬件描述语言)写的一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT).全同步设计,低门数.可以用于多媒体及打印应用领域.-VHDL (hardware description language) wrote a two-dimensional 8 * 8 discrete cosine transform (D CT) and the anti-transform (IDCT). fully synchronous design, low gate count. can be used for multimedia and print applications.
Platform: | Size: 32990 | Author: citybus | Hits:

[Compress-Decompress algrithms] BMP_DCT_IDCT

Description: 本源码是用VC++6.0实现的，显示了BMP位图，并实现了快速的8*8的块的DCT和IDCT变换-the source of VC 6.0, showing a bitmap BMP, and achieve a rapid 8 * 8 block of DCT and IDCT transform
Platform: | Size: 868376 | Author: 颜色 | Hits:

[Other resource] ImagesharpeningImageTransform

Description: Sobel算子：是一种空域微分算子，可以通过它锐化图象。 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。-Sobel Operator : airspace is a differential operator, through its image sharpening. Image will block (8 * 8), for the DCT and IDCT for : DCT is a separable Image Transform, used to image compression coding.
Platform: | Size: 1956 | Author: xuhua | Hits:

[Graph program] DCT-vhdl

Description: 这是一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT)算法,采用VHDL实现
Platform: | Size: 10711 | Author: liujl | Hits:

[File Operate] DSPImplementationofSubbandFilterinMUSICAMAlgorithm

Description: MUSICAM算法中子带滤波的DSP实现，提出了基于8点IDCT变换的MUSICAM算法中子带滤波的改进算法，然后针对TIC62X DSP结构特点和汇编优化的编程特点，给出了此改进算法的DSP实现．
Platform: | Size: 150222 | Author: 阳关 | Hits:

[Special Effects] 图像dct变换的程序

Description: 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1．对此图进行 8×8 DCT 变换后，分别只保留 DC系数，以及保留前 4、8、16 个变换系数(DC＋AC) ，然后再分别进行 IDCT 变换，比较结果。 2．可以使用 Matlab - Image Processing Toolbox 中的函数实现。 -gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8 DCT, the only difference reservations DC coefficient, and the preservation of the former 4, 8 or 16 DCT coefficients (DC+ AC), and then separately IDCT transformation, the results of the comparison. 2. Using Matlab-Image Processing Toolbox to achieve the function.
Platform: | Size: 1024 | Author: 朱晓路 | Hits:

[Algorithm] dct_p

Description: 这是用VHDL语言(硬件描述语言)写的一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT).全同步设计,低门数.可以用于多媒体及打印应用领域.-VHDL (hardware description language) wrote a two-dimensional 8* 8 discrete cosine transform (D CT) and the anti-transform (IDCT). fully synchronous design, low gate count. can be used for multimedia and print applications.
Platform: | Size: 32768 | Author: citybus | Hits:

[Compress-Decompress algrithms] BMP_DCT_IDCT

Description: 本源码是用VC++6.0实现的，显示了BMP位图，并实现了快速的8*8的块的DCT和IDCT变换-the source of VC 6.0, showing a bitmap BMP, and achieve a rapid 8* 8 block of DCT and IDCT transform
Platform: | Size: 4562944 | Author: 颜色 | Hits:

[2D Graphic] ImagesharpeningImageTransform

Description: Sobel算子：是一种空域微分算子，可以通过它锐化图象。 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。-Sobel Operator : airspace is a differential operator, through its image sharpening. Image will block (8* 8), for the DCT and IDCT for : DCT is a separable Image Transform, used to image compression coding.
Platform: | Size: 2048 | Author: xuhua | Hits:

[Graph program] DCT-vhdl

Description: 这是一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT)算法,采用VHDL实现-This is a two-dimensional 8* 8 discrete cosine transform (DCT) and inverse transform (IDCT) algorithms using VHDL realize
Platform: | Size: 10240 | Author: liujl | Hits:

[Special Effects] imageprocessing6

Description: 1．选择一幅图像，对该图像进行DCT块操作（将图像分成8×8小块，对每个小块进行DCT变换）。 2.利用屏蔽矩阵对DCT系数进行区域选择，然后进行逆变换（IDCT），合成原图像，计算合成图像的PSNR。 3.选择一小波函数，对一幅图像进行分解，显示各变换系数，观察其规律，并进行小波逆变换，合成原图像。 -1. Select an image, the image DCT block operations (the image is divided into 8 × 8 small pieces of each small piece for DCT transform). 2. The use of shielding on the DCT coefficient matrix of regional choices, and then inverse transform (IDCT), synthesis of the original image, calculating the synthetic image PSNR. 3. To select a wavelet function, decomposition of an image to show the transform coefficients, to observe its laws, and inverse wavelet transform, the original synthetic image.
Platform: | Size: 2048 | Author: syq | Hits:

[Graph program] tuxiangbianhuan

Description: 图像变换 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-Image transform to image sub-block (8* 8), for the DCT transform, and IDCT: DCT is a separable transform image to image compression coding, IDCT used to extract
Platform: | Size: 17408 | Author: 陈杰 | Hits:

[Special Effects] TDC_3

Description: This is a matrixl 8 * 8 discrete cosine transform (DCT) and inverse transform (IDCT) algorithms using VHDL realiz-This is a matrixl 8* 8 discrete cosine transform (DCT) and inverse transform (IDCT) algorithms using VHDL realiz
Platform: | Size: 1024 | Author: helllano | Hits:

[VHDL-FPGA-Verilog] IDCT

Description: 用verilog HDL语言编写的IDCT程序，可以计算8*8的整形数矩阵，用ISE 9.1i编译通过-Using verilog HDL language of the IDCT program can calculate the number of 8* 8 matrix of plastic, with ISE 9.1i compiled by
Platform: | Size: 479232 | Author: 阿文 | Hits:

[matlab] DCT

Description: 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.
Platform: | Size: 7168 | Author: zy | Hits:

[Special Effects] dip4

Description: 对原始灰度图像进行图像压缩，对此图进行 8×8 DCT 变换后，分别只保留 DC系数，以及保留前 4、8、16 个变换系数(DC＋AC) ，然后再分别进行 IDCT 变换 -The original gray image compression, this map for 8 × 8 DCT transform, respectively, to retain only the DC coefficient, and to retain the former 4,8,16 months transform coefficients (DC+ AC), and then separately IDCT transform
Platform: | Size: 1024 | Author: potato | Hits:

[Special Effects] MATLAB-dct-and-idct

Description: 将图片进行8*8块的dct变换，以及8*8块的反变化恢复原图像-use 8*8 block dct to chang image, and use 8*8 block idct to renew image.
Platform: | Size: 216064 | Author: jiang jianxing | Hits:

[Special Effects] DCTaIDCT

Description: 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 support 8* 8 pieces transform
Platform: | Size: 26955776 | Author: HY | Hits:

[Compress-Decompress algrithms] idct

Description: 能成功实现8*8的离散余弦反变换，在quartus II 环境下运行-Can be successfully realized 8* 8 discrete cosine inverse transform, running in quartus II environment
Platform: | Size: 43008 | Author: L | Hits:
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