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[Video Capture] zigzag20090114 DL : 0: dct和量化之字扫描算法及编码-DCT and quantify the word scan algorithm and coding
Date : 2025-12-23 Size : 2kb User : mxl
[Video Capture] varshapune DL : 0: hi all there i am giving collection of multimedia progrms like dct idct varsha patil-hi all there i am giving collection of multimedia progrms like dct idct varsha patil
Date : 2025-12-23 Size : 84kb User : varshapatil
[Video Capture] dct DL : 0: 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，并由此分析直流和低频系数的重要性。 -Known brightness of two different image data block is as follows: (1) Principles of analysis of DCT, the DCT method, program and calculate the corresponding DCT coefficient, analysis of distribution coefficients. (2) quantitative analysis based on visual characteristics of the distribution of long-form features step-by-step to complete the DCT coefficient quantization. (3) the use of Z-scan output data to achieve statistical encoding, the formation of Video stream. (4) the use of the reconstructed image brightness IDCT data to calculate the SAD size, analysis of the causes of errors and the use of DCT for the principle of data compression. () (5), respectively, a factor of 1,3,6 using the upper left corner of the reconstruction of images, calculating the corresponding SAD, and the resulting analysis of DC and the importance of low-frequency coefficients.
Date : 2025-12-23 Size : 1kb User : 张元
[Video Capture] yuv DL : 0: 可读取yuv文件，可以使嵌入的视频能够读取，使用DCT方式嵌入水印视频-Yuv files can be read
Date : 2025-12-23 Size : 2.04mb User : yoyo0331
[Video Capture] LDPC-Video-DCT---VS-2005 DL : 0: 分布式编码，来自Burckly大学，打开后经过对源文件的修改可以直接运行-distribution video coding
Date : 2025-12-23 Size : 941kb User : 詹奇聪
[Video Capture] 292535AudioWave DL : 0: Wave文件读取、播放、实时显示波形、对其作FFT和DCT等功能-Wave document read, play, real-time display of waveform, its function as FFT and DCT
Date : 2025-12-23 Size : 332kb User : 不离不弃
[Video Capture] ann DL : 1: DCT公式实现、DCT矩阵实现、AAN快速算法实现，及时间比较。-The DCT formula realize DCT matrix to achieve, AAN fast algorithm to achieve, and spend more time.
Date : 2025-12-23 Size : 3kb User : 魏江月
[Video Capture] Image-Compression DL : 0: DCT变换1、提取彩色图像，将图像大小限制为512* 3； 2、提取彩色图像三个颜色分量的矩阵，每个矩阵单独处理； 3、将矩阵分为8*8的块，做DCT变换； 4、提取每个块的一部分DCT系数做IDCT变换，显示基本图像； 5、再提取每个块的一部分DCT系数做DCT反变换，得到增强层1，与前一次得到的数据叠加，得到质量更好的图像。 -DCT transform
Date : 2025-12-23 Size : 68kb User : 陆荣
[Video Capture] video-compression DL : 0: 该图像压缩算法参考MG.Jordon博士发布的开源代码，作者对部分内容进行了优化，包括了帧内编码、帧间编码，DCT变换编码、自适应量化等。-The image compression algorithm reference Dr. MG.Jordon released the open source code, the author of some of the contents of the optimization, including the intra coding, inter frame coding, DCT ransform coding, adaptive quantization, etc.
Date : 2025-12-23 Size : 2kb User : 鬲随甲
[Video Capture] shipin DL : 0: 视频压缩编码，视频序列：IBBIBBIBB；I帧DCT直流系数不单独处理；B帧只做前向预测。(Video compression coding)
Date : 2025-12-23 Size : 4kb User : 珊瑚虫