Lossless JPEG

About: Lossless JPEG is a research topic. Over the lifetime, 2415 publications have been published within this topic receiving 51110 citations. The topic is also known as: Lossless JPEG & .jls.

A Novel Multimedia Player for International Standard—JPEG Snack

Abstract: The advancement in mobile communication and technologies has led to the usage of short-form digital content increasing daily. This short-form content is mainly based on images that urged the joint photographic experts’ group (JPEG) to introduce a novel international standard, JPEG Snack (International Organization for Standardization (ISO)/ International Electrotechnical Commission (IEC) IS, 19566-8). In JPEG Snack, the multimedia content is embedded into a main background JPEG file, and the resulting JPEG Snack file is saved and transmitted as a .jpg file. If someone does not have a JPEG Snack Player, their device decoder will treat it as a JPEG file and display a background image only. As the standard has been proposed recently, the JPEG Snack Player is needed. In this article, we present a methodology to develop JPEG Snack Player. JPEG Snack Player uses a JPEG Snack decoder and renders media objects on the background JPEG file according to the instructions in the JPEG Snack file. We also present some results and computational complexity metrics for the JPEG Snack Player.

A DCT multi-channel image information sharing scheme in resisting JPEG lossy compression attack

Abstract: In conventional image information sharing schemes, there exist many disadvantages such as the limited ability in resisting attacks, the low utilization of sub-information and the lossless restored secret image To address these problems, a novel DCT Based multi-channel image information sharing scheme in resisting JPEG lossy compression attack is proposed In the source end, the distributed sub-informations of secret image are generated by Lagrange interpolation and certificated by avalanche scrambling transformation The produced distributed sub-informations and authentication informations are embedded to images carriers by mean value adjusting method in DCT domain After being received in the terminal end, all received sub-information are utilized to reconstruct the hided secret image in block The experimental results show the proposed scheme can resist JPEG lossy compression, copping, erasing and other attacks effectively by comparing the conventional methods

A novel two-stage lossless image compression scheme

Abstract: A novel two-stage image compression scheme is proposed. In the first stage, differential pulse code modulation (DPCM) is used to decorrelate the raw image data. Next, an effective scheme based on the Huffman coding scheme is proposed to encode the residual image. According to the experimental results, the newly proposed scheme could significantly reduce the cost for the Huffman table while achieving high compression performance. In other words, the newly proposed scheme provides a good means for lossless compression of high-resolution images.

On the Limits of Perceptually Optimized JPEG

Abstract: The study presented in this paper aims at quantifying the empirical limits of JPEG optimization, when the compressed stream is standard compliant and only the quantization tables are optimized. Image-dependent quantization tables, which minimize the bitrate of the compressed image while maintaining transparent visual quality, are identified by means of a psychovisual experiment. The results demonstrate that significant room for improving JPEG compression efficiency is available.