搜索资源列表
SaveJPEG2
- 将图片保存成jpg格式的算法,速度还可以。支持调整压缩比例。-preservation of the photos as jpg format algorithms can also speed. Compression ratio adjustment support.
JPEG可用
- 基于“鱼眼”的JPEG图像压缩,我毕业设计的内容。在压缩中,通过设置参数可以提高图像四周的压缩率而不破坏主体。提高压缩率- Based on \"fish eye\" JPEG image compression, my graduation project content. In the compression, may enhance picture all around compression ratio through the establishment parameter but
wavelet97
- 利用97小波变换进行图像压缩,用matlab仿真,实验证明它具有较高的压缩比-using wavelet transform image compression using Matlab simulation experiment to prove that it has a higher compression ratio
tony_jpeglib
- 一个不错的BMP转JPP,JPP转BMP的程序.压缩比很高.-a good turn JPP BMP and BMP JPP transfer procedures. Very high compression ratio.
JPEG2KPartOne
- Jpeg2k图像压缩解压缩源码,压缩率较JPEG提高30%-Jpeg2k image compression decompression source, JPEG compression ratio than the 30% increase
dct_condense
- 余弦变换压缩,用于图像压缩,压缩比高,且压缩后图像质量仍然很好。适用于灰度图象。-Cosine Transform compression for image compression, compression ratio, and compressed image quality is still good. Apply to the gray-scale image.
4D811DC2
- 一种实用的数字图像压缩方法解振东,章三妹(成都理工大学信息工程学院,成都610059)摘 要:提出以C++Builder 6.0为开发平台,以其所提供的TJPEGImage为核心,实现真彩色图像的压缩,为工程实际的应用提供了一种非常实用的压缩手段。该方法减少了大量程序代码的编写工作。实验表明,当综合压缩比设为65时,压缩图像与原图像相比并无明显变化,由此可见,压缩效果令人满意。-a practical method of digital image compression solutions Z
JPEGcompress2007vc
- vc作的,最新的图片压缩程序,压缩比极大-vc for the latest picture compression process, the compression ratio greatly
小波压缩代码
- 对图像进行2维小波编码 来实现压缩。将小波分析引入图像压缩的范畴也是一个重要的手段,并且有着它自己的特点。它的特点在于压缩比高、压缩速度快,压缩后能保持信号与图像的特征基本不变,且在传递过程中可以抗干扰等等。(有两种方法)-of two-dimensional images wavelet compression coding to achieve. Wavelet Image Compression analysis of the introduction of the context is
xvidcore-1[1].1.0
- jpeg完整程序基于vc编程 可有效调节压缩比-jpeg integrity procedures based on vc programming can effectively adjust the compression ratio
免费的jpeg2000软件jasper的c源代码.tar
- 免费的jpeg2000软件jasper的c源代码,可以调节压缩比例。-free JPEG2000 software jasper c source code compression ratio can be adjusted.
matlab-2
- 图像压缩主要目的是为了节省存储空间,增加传输速度。图像压缩的理想标准是信息丢失最少,压缩比例最大。不损失图像质量的压缩称为无损压缩,无损压缩不可能达到很高的压缩比;损失图像质量的压缩称为有损压缩,高的压缩比是以牺牲图像质量为代价的。压缩的实现方法是对图像重新进行编码,希望用更少的数据表示图像。-The main purpose of image compression to save storage space, increase the transmission speed. The idea
A_new_algorithm_of_image_compress_based_on_BP_neur
- 本文探讨了神经网络用于图像压缩的方法,提出了一种基于边缘信息检测的BP神经网络压缩方法:按图像各部分像素特征将图像分为平滑块、纹理块和边缘块,不同的分类块采用不同的隐含层数。实验结果证明本算法在在保证重建图像丰富细节的同时,能大大提高图像的压缩比。-This paper discusses the neural network for image compression method, edge information is presented based on BP neural networ
wavelets
- 基于小波变换的图像压缩编码,实现了多种小波变换,并且实现了12:1的高压缩率。-Based on Wavelet Transform Image Coding, to achieve a variety of wavelet transform, and achieved a high 12:1 compression ratio.
compression
- 对图像进行压缩,包括DCT变换,量化,游程编码。有良好的压缩比和压缩率。-Image compression, including DCT transform, quantization, run-length coding. A good compression ratio and compression ratio.
ObjectiveFidelityCriteria
- 本实验要求编写一个计算压缩-解压缩图像的均方根误差、均方信噪比的程序。该程序是一个通用程序。编写程序产生图示的结果。使用上面的保真度准则程序计算可视信息的损失特性。-Prepared in this experiment, a calculation of compression- decompression of the root-mean-square error of image, mean square signal to noise ratio of the procedure. Th
compression
- 主要用于图像经小波变换压缩图像,并计算压缩后的图像压缩性能即压缩比和信噪比-Mainly used for image compression by wavelet transform image, and calculate the compressed image compression performance that the compression ratio and signal to noise ratio
DCT_JPEG
- 给予matlab的JPEG压缩程序,包含原始压缩图片,程序对灰度bmp图片进行JEPG编码,压缩成以0101形式的编码。JPEG编码先把图象色彩RBG变成亮度Y和色度Cr、Cb,它利用人的视觉对色度不敏感的特点,减少一部分色度数据,以达到压缩。 JPEG采取多种编码方式,包含有行程编码(Run Length Coding)和哈夫曼(Huffman)编码,有很高的压缩比。在编码前,先对数据进行分块,离散余弦变换(DCT)及量化,保留能量大的低频信号,丢弃高频信号以达到压缩。-Given to th
myidwt1
- matlab环境的小波压缩算法,给予dwt的心电图压缩,滤去了高频分量,具有较高的压缩比率-matlab environment wavelet compression algorithm, giving dwt ECG compression, filter the high frequency components with high compression ratio
quawdty-compression-ratio
- Cosine transform compression, used for image compression, the compression ratio is high, and the quality of compressed image is still very good