Lossless compression

Xem 1-13 trên 13 kết quả Lossless compression
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Lossless Compression Schemes for ECG Signals Using Neural Network Predictors

    pdf20p dauphong19 07-03-2012 15 3   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Distributed Source Coding Techniques for Lossless Compression of Hyperspectral Images

    pdf13p dauphong20 10-03-2012 15 3   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Virtually Lossless Compression of Astrophysical Images Cinzia Lastri

    pdf15p dauphong20 11-03-2012 15 2   Download

  • This paper presents the first demonstration of a statistical spoken dialogue system that uses automatic belief compression to reason over complex user goal sets. Reasoning over the power set of possible user goals allows complex sets of user goals to be represented, which leads to more natural dialogues. The use of the power set results in a massive expansion in the number of belief states maintained by the Partially Observable Markov Decision Process (POMDP) spoken dialogue manager.

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  • Digital Image Processing: Compresstion talks about need for image compression; image compression overview; lossless compression (run-lenghth coding, huffan coding, lempel-ziv-welch compression); lossy compression (transform image coding, JPEG compression).

    ppt29p cocacola_08 21-11-2015 7 1   Download

  • Module Linux essentials - Module 6 guide archive files on the command line. This module include content: Archiving vs. compression, uses of archiving and compression, lossless vs lossy compression, gzip vs bzip2, using gzip/gunzip/bzip2/bunzip2,...

    ppt10p kiepnaybinhyen_02 29-12-2015 8 1   Download

  • Chapter 9: Basic compression algorithms. The following will be discussed in this chapter: Modeling and compression, basics of information theory, entropy example, Shannon’s coding theorem, compression in multimedia data, lossless vs lossy compression,...

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  • A Hardware Architecture for Elliptic Curve Cryptography and Lossless Data Compression. We present a hardware architecture that combines Elliptic Curve Cryptography (ECC) and lossless data compression in a single chip.

    pdf7p dunglh2013 02-04-2014 23 0   Download

  • This book aims to bring together recent advances and applications of video coding. All chapters can be useful for researchers, engineers, graduate and postgraduate students, experts in this area, and hopefully also for people who are generally interested in video coding. The book includes nine carefully selected chapters.

    pdf210p phoebe75 19-02-2013 12 5   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article A Near-Lossless Image Compression Algorithm Suitable for Hardware Design in Wireless Endoscopy System

    pdf13p dauphong20 10-03-2012 13 2   Download

  • Efficient processing of tera-scale text data is an important research topic. This paper proposes lossless compression of N gram language models based on LOUDS, a succinct data structure. LOUDS succinctly represents a trie with M nodes as a 2M + 1 bit string. We compress it further for the N -gram language model structure. We also use ‘variable length coding’ and ‘block-wise compression’ to compress values associated with nodes. Experimental results for three large-scale N -gram compression tasks achieved a significant compression rate without any loss. ...

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  • In this chapter, the JPEG standard is introduced. This standard allows for lossy and lossless encoding of still images and four distinct modes of operation are supported: sequential DCT-based mode, progressive DCT-based mode, lossless mode and hierarchical mode. 7.1 INTRODUCTION Still image coding is an important application of data compression. When an analog image or picture is digitized, each pixel is represented by a fixed number of bits, which correspond to a certain number of gray levels.

    pdf12p longmontran 14-01-2010 47 10   Download

  • N -gram language models are a major resource bottleneck in machine translation. In this paper, we present several language model implementations that are both highly compact and fast to query. Our fastest implementation is as fast as the widely used SRILM while requiring only 25% of the storage. Our most compact representation can store all 4 billion n-grams and associated counts for the Google n-gram corpus in 23 bits per n-gram, the most compact lossless representation to date, and even more compact than recent lossy compression techniques. ...

    pdf10p hongdo_1 12-04-2013 24 2   Download

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