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jpeg压缩中的DCT蝶型算法verilog代码
- jpeg压缩中的DCT蝶型算法verilog代码-jpeg DCT compression algorithm verilog code BUTTERFLY
dct.rar
- 已知两个不同图像块亮度数据如下： （1）分析DCT原理，采用DCT方法，编程并计算相应的DCT系数，分析系数分布特点。 （2）依据视觉特性分析量化表步长的分布特点，完成DCT系数量化。 （3）采用Z形扫描，实现输出数据的统计编码，形成Video stream。 （4）采用IDCT重建图像亮度数据，计算SAD大小，分析产生误差的原因及采用DCT进行数据压缩的原理。（ ） （5）分别利用左上角1、3、6个系数重建图像，计算相应的SAD，并由
jpeg
- 对JPEG的压缩标准进行了仿真，主要过程DCT压缩，根据JPEG的量化矩阵对DCT结果进行量化，对量化结果进行Huffman编码。同时也实现了解压缩过程，即执行上述过程的逆过程。-JPEG compression standard of the simulation, the main process of DCT compression, according to the JPEG quantization matrix to quantify the results of the DCT,
dct
- 利用DCT进行图像压缩（首先将图像分割成8×8的图像，对每个子图像进行DCT，这样每个子图像有64个系数，舍去50％小的变换系数，进行2：1的压缩。）-The use of DCT for image compression
DCT
- 基于Matlab GUI的图像的DCT，自由调节压缩率，计算峰值信噪比，并图形化对比还原图像-Matlab GUI for image-based DCT, freely adjust compression rates, the peak signal to noise ratio, and reduction of image contrast graphic
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.
dct
- 实现图像压缩中的DCT变换，尤其是对于H.264视频标准中的DCT变换。-The realization of image compression in DCT transformation, especially for H.264 video standard DCT transform.
DCT
- 基于DCT域的鲁棒水印，能抗击一定程度的压缩，剪切等攻击-Based on the DCT domain robust watermarking, can fight against a certain degree of compression, shear, such as attacks
DCT
- ARM汇编，实现DCT算法，图像压缩，JPEG 需要loadmemory，里面附带load文件示例以及样子图片，raw格式-ARM compilation and realizing DCT algorithm, image compression, JPEG need loadmemory, incidental load inside sample documents, as well as look like picture, raw format
dct
- 利用DCT变化对tif图像进行压缩利用DCT变换进行图像压缩的MATLAB程序-Changes in the use of DCT compression of tif images using DCT transform image compression MATLAB program
dct
- 利用dct实现JPEG在Matlab环境下图像压缩程序-Matlab environment in JPEG image compression procedure
dct
- JPEG压缩算法的核心是“视觉保真”原理，利用人类视觉系统特征进行处理，以达到最大图像数据压缩效果，实际上就是去除那些人眼不易觉察的信息。图像的空间频率对人的视觉至关重要，采用离散余弦变换可将图像分解成一组波，每个波有一个不同的空间频率，这样可以去除人类眼睛觉察不到的信息，而且还可使系统只保留重要的信息。-JPEG compression algorithm is the core of " visual fidelity" principle, the use of the
dct8x8
- 是DCT图象压缩的算法，是C编写的，是核心算法。-Is the DCT image compression algorithm is written C, is the core algorithm.
arithmetic_of_jpg
- DCT变换用于JPEG压缩编码的实验，实验目的:掌握DCT变换的基本运算和JPEG编码的基本过程-DCT transform coding for the JPEG compression experiments Objective: To master the basic computing DCT transform coding and JPEG basic process
dct-fft
- This the Discrete cosine tranform matlad code which is useful for image compression and also it show-This is the Discrete cosine tranform matlad code which is useful for image compression and also it show
DCT
- DCT变换是图像图形处理中的很重要的一个压缩算法，此文件详尽的完成了DCT变换-DCT transform is image and graphics processing is very important to a compression algorithm, this document contains details of the completion of the DCT transform
jpeg
- 该程序利用离散余弦变换（DCT）对JPEG图像进行压缩与解压缩-The program using the discrete cosine transform (DCT) for JPEG image compression and decompression
Final_28Nov
- 2D-DCT 压缩图像后，通过QPSK,AWGN信道编码传输后，IDCT解压缩回原始图像，适用于任何图像-Using DCT to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. And from the binary array, I us
dct
- bmp DCT 压缩 对原图像进行DCT变换，数据压缩，丢弃右下角高频数据，进行DCT反变换，得到压缩后的图像-bmp DCT compression of the original image DCT transform, data compression, discarding the lower right corner frequency data, DCT inverse transform, the images are compressed
DCT-compression
- DCT压缩程序，此程序也是找来的，也许对大家有用，学习之用-DCT compression programs, this program is to find, may be useful to everyone, the use of learning