搜索资源列表
DCT
- 视频处理中经常需要进行DCT变换,这是本人自己编写的、可以对图像样点进行一维和二维的DCT变换-Video processing often require DCT transform, which is I have written, you can kind of image points of one-dimensional and two-dimensional DCT transform
MPGextract
- 一个mpg压缩的水印提取程序,考虑到了几种压缩格式,并基于此提出DCT频率域上的水印提取.对学习视频水印的人有help-Mpg compressed a watermark extraction procedure, taking into account several types of compression formats, and based on this proposed DCT frequency domain watermark extraction. For learning
final
- H.264视频压缩代码中用线形汇编改写的dct、idct和quant\iquant部分-H.264 video compression using linear compilation of code to rewrite the dct, idct and part quantiquant
jpeg
- jpeg最新的编解码代码,特点是在dct过程中可以进行缩放,本算法应用到视频可减少视频中缩放的时间 -jpeg latest codec code, characterized in dct process can be scaled, the algorithm is applied to video scaling to reduce the time the video
encodinganddecoding
- 实现对视频图像的游程编码和解码。过程包括:二维DCT变换、量化及游程编码。 一般来讲对于视频的I帧进行恢复,其信噪比可达到38DB以上。-Implementation of the video image encoding and decoding run-length. Process includes: two-dimensional DCT transform, quantization and run-length encoding. In general, I frame for
img_encoding
- Discrete Cosine Transform (DCT) and quantization are two critical parts in image encoding. By discussing how coefficients retaining and quantization step selection influence the quality of the reconstructed image, this homework helps to understand th
A.Blind.and.Robust.Watermarking.Scheme
- Abstract- H.264/AVC is becoming a popular video codec for its better compression ratio, lower distortion and applicability to portable electronic devices. Thus, issues of copyright protection appropriate for this standard become very importan
A.Blind.MPEG-2.Video.Watermarking.Robust.to.Regula
- Abstract—Based on the observation that low-frequency DCT coefficients of an image are less affected by geometric processing, we propose a new blind MPEG-2 video watermarking algorithm robust to camcorder recording. Both the embedding and extr
DCT
- 用MFC对一个视频或者图像进行DCT变换-With MFC or image on a DCT-video
DCT_IDCT
- 视频编码中,二维IDCT和DCT变换-two-demension in IDCT and DCT in video coding
pudn2
- DCT变换在图像压缩中的实验 对视频的参考帧 和目标帧进行压缩的实验-DCT transform in image compression experiments on the video frames of reference frame and target compression experiments
matlab
- 基于matlab视频图像帧内编码,介绍基于DCT图像压缩原理。-Introduce image compression matlab video image frame coding,
example1
- 基于DCT的数字视频水印源程序,Matlab编写,可以直接运行-DCT-based digital video watermarking source code, Matlab can be run directly
DCT2
- 基于DCT变换的数字视频水印源程序,在Matlab中可以直接运行-DCT-based digital video watermarking source code in Matlab can be run directly
Isomap
- truncated DCT. good for video compression.
Blind-video-watermarking-DCT
- 基于离散余弦变换的自适应盲视频水印算法Blind video watermarking algorithm based on adaptive discrete cosine transform-Blind video watermarking algorithm based on adaptive discrete cosine transform
shipingshuiyinbeifen
- 该算法利用随机置乱的方法将水印信息进行置乱,对选定的视频帧先进行DWT变换,然后对得到的逼近子图进行DCT变换,最终将置乱后的水印信息嵌入到直流分量-The algorithm uses the method of random scrambling the watermark information is scrambling to be first selected video frames DWT transform, and then the resulting approximatio
test_dct
- 2D-DCT变换是视频压缩中的常用变换[2]。在压缩过程中,将一幅图像分成许多4*4的小块进行变换。-2D-DCT transform is often used in video compression transformation [2]. In the compression process, an image is divided into many small blocks of 4* 4 transform.
video-coding_DCTaKLT
- 图像压缩编码中的DCT, KLT算法。 同时实现了DCT 和 KLT下的truncation。-DCT, KLT for video coding. Also implement the truncation of DCT and KLT.
Efficient-DCT-Domain
- Blocking artifacts continue to be among the most serious defects that occur in images and video streams compressed to low bit rates using block discrete cosine transform (DCT)-based compression standards (e.g., JPEG, MPEG, and H.263)