Lossless compression for text and images - Moffat, Bell, et al. - 1997 () Citation Context ...side the package archivesand must be referenced in the package element of the manifest.sThe manifest and all referenced files are packaged in a singlesarchive file using the ZIP compression ...
Lossless image compression for few-colored imagesArchitecture that utilizes characteristics of high spatial redundancy and few colors in few-colored images to compress the image data in a hierarchical manner, and store block level information. The entire image is decomposed into fixed-size blocks, and...
The JPEG-LS-E core implements a highly-efficient, low-power, lossless and near-lossless image compression engine that is compliant to the JPEG-LS, ISO/IEC 14495-1 standard. Based on LOCO-I (LOw COmplexity LOssless COmpression for Images), the JPEG-LS algorithm leads in numerically lossless...
1.1. Importance of lossless compression for aurora spectral images When electron plasma is blown by solar wind and enters into the Earth’s atmosphere, a large number of neutral particles are excited which causes a significant event known as the aurora phenomenon. To record its visual morphology ...
There are basically three types of compression programs for images: Lossless Compression: ▪ TIFF: Tagged Image File Format ▪ LZW (Lempel-Ziv-Welch) compression, recognized by all application programs ▪ The only lossless compression program on the market that is capable of working with ...
3.A level-embeddedlossless image compressionmethod for continuous-tone still images is presented.提出了一种基于嵌入式位平面的静止连续色调图像的无损图像压缩方法:通过将1幅图像分割成两类位平面(基础层和增强层)使得该图像具有了位平面的可测量性,并且通过利用平面与平面以及每个平面中各像素之间的相关性减少冗余...
Lossless compression uses an algorithm that looks for repetitions of words, patterns, and other unnecessary data. Then, it replaces this information with numbers and stores the original data in a separate index file. It also strips metadata from your images. Therefore, this compression method creat...
What is the difference between lossy and lossless images? After compression, lossy files are smaller in size than lossless ones. However, the quality is usually lower than it would be if you’d used lossless compression. That said, it may not be too noticeable, depending on how you are vie...
Imagehi is a compression tool for online images, supporting GIF compression, PNG compression, and JPG compression. It can also add watermarks to online images with other functions like rotating images, stitching long images, changing image colors, adding
We propose a soft compression algorithm for multi-component medical images, which can exactly reflect the fundamental structure of images. A general representation framework for image compression is also put forward and the results indicate that our developed soft compression algorithm can outperform the...