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design-flow-speeding-up-dsp
- Wavelets have widely been used in many signal and image processing applications. In this paper, a new serial-parallel architecture for wavelet-based image compression is introduced. It is based on a 4-tap wavelet transform, which is realised usin
HYBRID
- HYBRID VIDEO CODING MODEL OF FINITE RIDGELET TRANSFORM AND H.264/AVC Tomokazu Murakami and Masashi Takahashi Embedded System Platform Research Laboratory, Hitachi, Ltd. 292, Yoshida-cho, Totsuka-ku, Yokohama, 244-0817, Japan
analysis-of-video-structure
- 关于视频结构分析,总结了目前镜头分割、关键帧提出、场景边界检测的方法,基于目前算法存在的缺陷,提出了尺度不变特征变换的方法。-Video structure analysis, summed up the scene boundary detection, shot segmentation, key frame proposed scale invariant feature transform method based on the current algorithm defects.
aa
- Adaptive Blind Video Watermarking Algorithm using DCT transform
A-UNIFIED-TRANSFORM-ARCHITECTURE-FOR-H.264-VIDEO-
- A UNIFIED TRANSFORM ARCHITECTURE FOR H.264 VIDEO CODEC VHDL IMPLEMENTATION
video-transform-system-based-linux
- the development of video transform system based linux.pdf
Novel-nsew-transform-for-strategic-adaptation
- Video compression standards follow certain principles for frame identification based on Group of Pictures (GOP). It was observed that instead of following the pre-coded GOP, if frames are adaptively chosen based on simple matching criteria, further p
zongjie
- 各种视频水印技术的总结,包括小波变换,DCT变换,混沌算法等。-Summary of the various video watermarking technology, including wavelet transform, DCT, chaos algorithm.
Video-Encryption-Algorithm-for-H264
- 本文提出将帧内、帧间预测模式置乱, 量化系数与运动矢量加密相结合的H 264 视频加密方法, 试验表 明此方法具有良好的加密效果, 其算法复杂度低, 对编码效率影响小, 适合实时应用 在此基础上我们进一步提出了一 套完整的视频加密系统, 通过将二层序列密钥同步与告知机制相结合的方法实现了快速序列密钥同步, 多用户访问控 制, 并扩大了序列密钥的产生空间, 增加了系统的安全性.-A new video encryption method which utilized
10
- With the widespread use of technologies like digital television, internet streaming video and DVD video, video compression has become an inevitable component of broadcast and entertainment media. Currently, the video codec that achieves the h
opencv-doc
- 图像数据操作(内存分配与释放,图像复制、设定和转换) 图像/视频的输入输出(支持文件或摄像头的输入,图像/视频文件的输出) 矩阵/向量数据操作及线性代数运算(矩阵乘积、矩阵方程求解、特征值、奇异值分解) 支持多种动态数据结构(链表、队列、数据集、树、图) 基本图像处理(去噪、边缘检测、角点检测、采样与插值、色彩变换、形态学处理、直方图、图像金字塔结构) 结构分析(连通域/分支、轮廓处理、距离转换、图像矩、模板匹配、霍夫变换、多项式逼近、曲线拟合、椭圆拟合、狄劳尼三角化)
dajbm
- 利用matlab针对图像进行马氏距离计算 ,实现了图像的灰度化并进一步用于视频监视控,Gabor小波变换与PCA的人脸识别代码。- Using matlab to calculate the Mahalanobis distance for the image, Achieve a grayscale image and further control for video surveillance, Gabor wavelet transform and PCA face recognition
MATLAB教学视频:傅里叶变换的频域滤波详解
- MATLAB教学视频:傅里叶变换的频域滤波详解(MATLAB teaching video: Fourier transform filtering in frequency domain)
Guass-noise
- 产生一个高斯白噪声 利用MATLAB自带的fir1函数产生一个低通滤波器,限制高斯白噪声的带宽,由此产生了视频噪声。 利用产生的视频噪声,分别代入噪声调幅干扰的时域表达式,并且进行100次的积累后求平均值,对其进行快速傅里叶变换后,由此画出噪声调幅干扰的频域波形。 重复上述步骤,分别代入噪声调频干扰与噪声调相干扰的时域表达式,分别画出其频域波形与时域波形。(Generate a Gauss white noise The fir1 function of MATLAB is used to ge