Description: Quad Tree Bit Plane Compression.
A program to compress images. Qbit is an image viewer that loads and saves it s own imge format as well
as loading various Sun Raster File, Targa and Bitmap files.-Quad Tree Bit Plane Compression. A program to compress images. Qbit is an image viewer that loads and saves it's own imge format as well as nen ding various Sun Raster File. Targa and Bitmap files. Platform: |
Size: 28985 |
Author:jason.. |
Hits:
Description: Quad Tree Bit Plane Compression.
A program to compress images. Qbit is an image viewer that loads and saves it s own imge format as well
as loading various Sun Raster File, Targa and Bitmap files.-Quad Tree Bit Plane Compression. A program to compress images. Qbit is an image viewer that loads and saves it's own imge format as well as nen ding various Sun Raster File. Targa and Bitmap files. Platform: |
Size: 28672 |
Author:jason.. |
Hits:
Description: 这是关于图像压缩编码的VC源代码，该代码可实现Huffman编码、Shannon-Fano编码、算术编码以及位平面编码等算法。对作图像压缩编码的同仁是个很好的参考代码。代码来自《数字图像处理典型算法及实现》。-This is the image compression coding on the VC source code, the code can be realized Huffman coding, Shannon-Fano coding, arithmetic coding and bit-plane coding algorithm. For image compression coding of the Tongren is a good reference source. Code from the Platform: |
Size: 233472 |
Author:李白云 |
Hits:
Description: 各类图像压缩编码的VC++综合程序，包含了霍夫曼编码、香农－费诺编码、算术编码、游程编码、位平面编码等压缩编码的子程序源代码，非常适合学习用-Various types of image compression coding VC++ Comprehensive program, including the Huffman coding, Shannon- Fenno coding, arithmetic coding, run-length coding, bit plane coding and other coding subroutine source code, very suitable for learning to use Platform: |
Size: 238592 |
Author:刘勇 |
Hits:
Description: 本文以DCT变换为基础，提出一种可以适用于不同网络传输环境下的分层编码方法。基于系数重要性的分层编码根据域中系数重要程度不同和信道传输特性，有选择地舍弃部分系数达到分层压缩的目的；基于比特平面的分层编码通过分析系数的比特平面，按照比特平面进行分层，根据设置的参数实现不同质量的图像压缩编码。 -In this paper, DCT transform based on a can be applied to different network environment layered coding method. Coefficient based on the importance of layered coding domain coefficients in accordance with the importance of different transmission characteristics and channel selectively discard some coefficient layered compression purposes bit plane based on the layered coding coefficient by analyzing the bit-plane, in accordance with the bit-plane stratified, in accordance with the parameters set to achieve different quality of image compression coding. Platform: |
Size: 88064 |
Author:thao |
Hits:
Description: 图像压缩编码实例程序，包括霍夫曼编码、香农-费诺编码、算术编码、位平面编码、预测编码，对图像处理中需要编码操作时有参考价值。注意仅针对256色位图。-Examples of image compression coding procedures, including Huffman coding, Shannon- Fenno coding, arithmetic coding, bit plane coding, predictive coding of image processing operations that need to encode a valuable reference. Attention to only 256 colors bitmap. Platform: |
Size: 270336 |
Author:卓 |
Hits:
Description: SPIHT方法采用了有效的空间方向树结构和比特平面编码方法，不仅能获得很高的压缩编码效率，而且产生的码流是嵌入式的，支持解码器的多码率解码，有利于图像的渐近传输。-Methods SPIHT effective direction of the tree structure and the space bit-plane coding method, not only have access to a high coding efficiency and resulting code stream is embedded in support of the multi-rate decoder decoding, image has become conducive to near transmission. Platform: |
Size: 492544 |
Author:peyton |
Hits:
Description: 可以实现图像霍夫曼编码,香家费诺编码,算术编码,游程编码,位平面编码,预测编码,在编码过程中会显示被压缩图像的各个参数(压缩比,码长,信噪比等),并有图像恢复功能.-Huffman code can achieve images, Fenno House Shannon coding, arithmetic coding, run-length coding, bit plane coding, predictive coding, in the process of encoding compressed image will show the various parameters (compression ratio, code length, SNR, etc. ), and there is image restoration functions. Platform: |
Size: 231424 |
Author:yangjianlei |
Hits:
Description: 图像压缩编码从本质上来说就是对要处理的图像源数据用一定的规则进行变换和组合,从而达到以尽可能少的代码来表示尽可能多的数据信息的目的.下面是图像压缩编码的源程序(shannon-fano编码)/(算术编码)/(位平面编码)/(预测编码)-Image compression coding is essentially to deal with the image of the source data used to change certain rules and combinations, so as to achieve as little as possible in the code as much as possible to express the purpose of the data. The following is the source of image compression coding procedures (shannon-fano code)/(arithmetic coding)/(bit-plane coding)/(predictive coding) Platform: |
Size: 229376 |
Author:刘亚宁 |
Hits:
Description: This paper presents a steganography method based on an embedded zerotree wavelet compression scheme and bitplane
complexity segmentation steganography.The proposed steganography enables us to use lossy compressed images
as dummy files in bit-plane-based steganographic algorithms.Large embedding rates of around 25 of the compressed
image size were achieved with little noticeable degradation in image quality-This paper presents a steganography method based on an embedded zerotree wavelet compression scheme and bitplane
complexity segmentation steganography.The proposed steganography enables us to use lossy compressed images
as dummy files in bit-plane-based steganographic algorithms.Large embedding rates of around 25 of the compressed
image size were achieved with little noticeable degradation in image quality Platform: |
Size: 346112 |
Author:mat7755 |
Hits:
Description: PAV (H265) 是 音视频 压缩解压 协议，非常不同于H264/MPEG4，ZPAV (H265) 的基本算法 是 小波，多级树集合群，广义小波，数学形态小波，......
ZPAV (H265) 基本算法 ：
1，图象与声音分解与合成 ：小波 ；
2，图象与声音前处理 ：小波子带零交叉降噪，目标纹理处理，语音处理 ；
3，速率控制 ：小波子带熵速率控制 ；
4，量化与反量化 ：小波子带熵量化与反量化 ；
5，低频分量和高频分量的降维 ：小波子带邻域交叉降维 ；
6，运动矢量和量化表的分解与合成 ：广义小波 ；
7，位面编码 ：数学形态小波，多级树集合群，嵌入零树，位面降维 ；
8，位流编码 ：算术编码，熵编码 ；
9，运动估计 ：宏块最优决策，运动矢量预测 ；
A，运动搜索 ：钻石，大钻石，小钻石，方形 ；
B，图象与声音后处理 ：低通滤波，断点重构，宏块平滑 ；
C，误码纠错 ：矢量仿真，帧间仿真 。
-The PAV (H265) is the audio and video compression and decompression protocol, is very different from H264/MPEG4
ZPAV (H265) algorithm is a wavelet, multi-level tree collection group, and generalized wavelets, mathematical morphology, wavelet, ...
ZPAV (H265) algorithm:
1, image and sound decomposition and synthesis: wavelet
2, image and sound processing: wavelet sub-band zero-crossing noise, target texture processing, speech processing
3, the rate control: wavelet subband entropy rate control
4, quantization and inverse quantization: Wavelet subband entropy quantization and inverse quantization
5, the dimensionality reduction of the low frequency component and high frequency components: the wavelet subbands neighborhood cross-dimensionality reduction
6, the decomposition and synthesis of the motion vector and quantization tables: generalized wavelet
7, bit-plane coding: the mathematical form of wavelet multi-level tree collection group, embedded zerotree, bit plane Platform: |
Size: 4826112 |
Author:李阳 |
Hits:
Description: 基于零树和位平面的小波图像压缩算法的一篇很有用的文章-Zero-based tree and bit plane of wavelet image compression algorithm a very useful article Platform: |
Size: 135168 |
Author:张聪颖 |
Hits:
Description: 内有操作说明： 操作说明.docx
加噪：高斯、椒盐等
去噪：小波、高斯、维纳及频域上的滤波（频率可调）
压缩：JPEG、小波、PCA、位平面、FFT、DCT
以上功能都集成在了GUI界面内-There are instructions: instructions docx plus noise: Gaussian, salt and pepper and other de-noising: wavelet, Gaussian, and Wiener filter in the frequency domain (frequency adjustable) compression: JPEG, Wavelet, PCA, bit-plane, FFT, DCT These functions are integrated in the GUI interface within Platform: |
Size: 968704 |
Author:weifanzhang |
Hits:
Search - image bit plane compression