Search - DCT

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【Special Effects】 H264-DCT-Quanter DL : 0: H264中的整数DCT变换编码及量化代码,并附有原文的DCT编码、量化的说明文档。本源码从X264及JM中抽取后整理得来，并用原文档中的示例数据进行了测试，与原文档结果完全一样，是学习H.264不可多得的参考资源. -H264 in the integer DCT transform coding and quantization code, together with the original DCT coding, quantitative description of the document. The source from the X264 and JM Finishing extract obtained and used the original document in the test sample data with the results of exactly the same as the original document, is to study rare H.264 reference resources.
Update : 2024-04-30 Size : 64512 Publisher : ren
【Graph program】 DCT DL : 0: 一个实用的对8×8的图像做DCT变换的源代码-A practical image of the 8 × 8 to do the source code for DCT-
Update : 2024-04-30 Size : 563200 Publisher : 飞天
【Compress-Decompress algrithms】 DCT DL : 0: 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
Update : 2024-04-30 Size : 2048 Publisher : hanxiaoqian
【Software Engineering】 dct DL : 0: a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it -a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it ..
Update : 2024-04-30 Size : 1024 Publisher : anup
【Graph program】 dct DL : 0: 计算单纯的DCT（离散余弦变换）的变换，非常有用-calculator the dct transform s programme,vrey useful for you
Update : 2024-04-30 Size : 6144 Publisher : freed
【Other】 DCT DL : 0: Matlab Code for watermarking in DCT
Update : 2024-04-30 Size : 1823744 Publisher : Abhishek
【Graph program】 DCT DL : 0: 256色灰度图像压缩 256色灰度图像dct变换-标量量化-反标量量化-反DCT-256-color grayscale image compression 256-color grayscale image dct transform- scalar quantization- Anti-scalar quantization- Anti-DCT
Update : 2024-04-30 Size : 3072 Publisher : 赵欣
【Other】 dct DL : 0: a very good survey on DCT compression
Update : 2024-04-30 Size : 537600 Publisher : Zahra
【Other】 DCT DL : 0: 生成一个高斯水印后，对待嵌入水印的载体图像进行二维的DCT变换，然后嵌入水印-Generates a Gaussian watermark, the watermark embedded in the carrier to treat two-dimensional image of the DCT transform, and then embedding the watermark
Update : 2024-04-30 Size : 252928 Publisher : 蓝媚
【Other】 DCT DL : 0: 通过DCT变化在图像中，嵌入水印，加入噪声，并解出嵌入图像，计算误差率。-Through the DCT changes in the watermarked image, add noise, and extract out the embedded images to calculate margin of error.
Update : 2024-04-30 Size : 5479424 Publisher : chanel
【AI-NN-PR】 DCT DL : 0: 本文设计基于DCT的人脸识别系统，首先结合当今人脸识别的背景和发展状况讨论了人脸识别的研究内容及在各方面的应用；然后研究了人脸识别进行预处理，讨论了人脸识别预处理的其他方法，分析各种方法的利弊，最后采用DCT（离散余弦变换）实现人脸图像预处理中的降维处理；接下来对人脸图像的特征提取进行了研究，简单叙述了几何特征提取和代数特征提取，同时深入研究了基于DCT和PCA变换的人脸图像特征提取，从而实现是否对人脸识别系统识别率有所提高的研究；对于分类器的选择，本文对两种分类器进行了探讨，即最近邻分类器和BP神经网络分类器，同时采用BP神经网络分类器作为本次基于DCT的人脸识别系统设计的分类器，并对BP神经网络进行分类的算法进行设计，BP神经网络具有学习功能，只要采用本系统对训练图片进行训练，就可以记下图像的相关信息，对于测试图片，就可以很准确的识别出该图片是属于哪个的。最后，本文对整个人脸识别系统设计实验进行了实验分析，实验结果表明本文采用的方法切实有效。- This is the design of the DCT-based face recognition systems. First of all, the background light of the current face recognition and face recognition to discuss the development of research in all aspects of content and applications And then studied the pretreatment of face recognition to discuss the pre-treatment of other face recognition methods,and analysis of the pros and cons of various methods, finally, the use of DCT (discrete cosine transform) image pre-processing to achieve in the face of the reduced-order processing Next on the face image feature extraction have been studied, A brief description of the feature extraction and algebraic geometry feature extraction, while in-depth study based on the DCT and the PCA Transform face image feature extraction in order to achieve face recognition system to identify whether the rate of increase in the research For the choice of classifier, this paper carried out on two of classifier, that is, nearest neighbor classifier and BP neura
Update : 2024-04-30 Size : 422912 Publisher : 刘文珍
【Special Effects】 dct DL : 0: 这是一个matlab环境下的离散余弦变换的程序，与matlab的dct程序运行结果一样-This is a matlab environment, discrete cosine transform process, and matlab s dct program runs the same result as
Update : 2024-04-30 Size : 1024 Publisher : zhouzixuan
【matlab】 DCT DL : 0: 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.
Update : 2024-04-30 Size : 7168 Publisher : zy
【Compress-Decompress algrithms】 DCT DL : 0: 对测试图像分块、DCT和量化，将量化后的系数写成矩阵形式。-The test image block, DCT and quantization, the quantized coefficients written in matrix form.
Update : 2024-04-30 Size : 7168 Publisher : yoyo
【matlab】 dct-dwt DL : 0: dct dwt for watermarking
Update : 2024-04-30 Size : 352256 Publisher : magesh
【Special Effects】 dct-svd DL : 0: dct-svd域水印算法,实现数字水印图像在载体DCT-SVD域的隐藏-a kind of watermarking algorithm in DCT-SVD domain
Update : 2024-04-30 Size : 1024 Publisher : 云新
【Special Effects】 DCT DL : 0: DCT域图像水印嵌入对策和算法，黄继武，程卫东，电子学报-DCT domain image watermarking strategies and algorithms, HUANG Ji-Wu, Cheng Weidong, e-Journal
Update : 2024-04-30 Size : 363520 Publisher : gm
【Special Effects】 dct DL : 0: 用MATLAB实现的数字水印的DCT算法，还包括本次试验的实验报告，对算法有详细的解读！-Implemented using MATLAB DCT digital watermarking algorithm, also including the test lab report, a detailed interpretation of the algorithm!
Update : 2024-04-30 Size : 1457152 Publisher : 花有缺
【Special Effects】 DCT DL : 0: 一个用来计算dct的程序，适合入门者参考-A procedure used to calculate the dct for beginners reference
Update : 2024-04-30 Size : 9216 Publisher : hzk
【Graph program】 DCT DL : 0: MFC下做的图像DCT变换程序，可以对彩色图像进行DCT变换，有MFC界面，对初学者有用-MFC to do the image under the DCT transform process can be DCT-color images, there is MFC interface, useful for beginners
Update : 2024-04-30 Size : 8444928 Publisher : shihuimin

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