Can lossless compression be applied to already compressed data?

Oct 20, 2021 ... The focus of this chapter is a fast lossless data-compression mechanism that handles data streams completely. In this work, a run-time lossless compression of single-channel Electrocardiogram (ECG) and Photoplethysmogram (PPG) signals is proposed, maintaining all ... Yang, “Efficient universal lossless data compression algorithms: Implementation and experimental results,” prepared for Hughes Network Systems (Germantown ... Aug 17, 2017 ... There is no doubt that data compression is very important in computer engineering. However, most lossless data compression and decompression ... The study focuses on exploring lossless and lossy compression methods, their compression ratios, complexities, and suitability for diverse data types and ... May 24, 2011 ... My opinion will be, first decide whether you want to do a lossless compression or a lossy compression, then pick an algorithm to implement. I am an expert in the area of hardware lossless data compression, signal processing with embedded systems (e.g. ARM), video... Keywords: reconfigurable ... News. LZO 2.10 has been released; a small update that fixes various build issues. Key Facts. LZO is a portable lossless data compression library written in ... ... data exchanged between wireless sensor nodes ... compression algorithm in comparison with other recently proposed lossless compression algorithms for WSNs. Dec 14, 2020 ... Yes, it is. There are things called “universal” codes designed just for this situation. A very common lossless universal code is the Lempel Ziv ...