Sökning: "data compression"

Visar resultat 1 - 5 av 250 avhandlingar innehållade orden data compression.

  1. 1. Statistical Compression Cache Designs

    Författare :Angelos Arelakis; Chalmers University of Technology; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Cache; Floating-point compression; Data Compression; Huffman Coding; Statistical Compression; Value Locality; Memory; Hybrid Compression;

    Sammanfattning : On-chip caches are essential as they bridge the growing speed-gap between off-chip memory and processors. To this end, processing cores are sacrificed for more cache space in the chip's real estate, possibly affecting the cache access time and power dissipation. LÄS MER

  2. 2. Reducing Memory Traffic with Approximate Compression

    Författare :Albin Eldstål-Ahrens; Chalmers University of Technology; []
    Nyckelord :NATURVETENSKAP; TEKNIK OCH TEKNOLOGIER; NATURAL SCIENCES; ENGINEERING AND TECHNOLOGY; Memory Compression; Memory Systems; Compression; Computer Architecture; Lossy Compression; Approximate Computing;

    Sammanfattning : Memory bandwidth is a critical resource in modern systems and has an increasing demand. The large number of on-chip cores and specialized accelerators improves the potential processing throughput but also calls for higher data rates. In addition, new emerging data-intensive applications further increase memory traffic. LÄS MER

  3. 3. Structures of String Matching and Data Compression

    Författare :N Jesper Larsson; Institutionen för datavetenskap; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Implementation; Burrows-Wheeler Transform; Sliding Window; Suffix Sorting; Text Compression; Algorithms; Suffix Tree; Systems engineering; computer technology; Data- och systemvetenskap;

    Sammanfattning : This doctoral dissertation presents a range of results concerning efficient algorithms and data structures for string processing, including several schemes contributing to sequential data compression. It comprises both theoretic results and practical implementations. LÄS MER

  4. 4. Storage-Centric System Architectures for Networked, Resource-Constrained Devices

    Författare :Nicolas Tsiftes; Thiemo Voigt; Per Gunningberg; Chenyang Lu; Uppsala universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; Internet of Things; wireless sensor networks; resource-constrained devices; file system; database management system; virtual machine; data compression; reprogramming; checkpointing; Datavetenskap; Computer Science;

    Sammanfattning : The emergence of the Internet of Things (IoT) has increased the demand for networked, resource-constrained devices tremendously. Many of the devices used for IoT applications are designed to be resource-constrained, as they typically must be small, inexpensive, and powered by batteries. LÄS MER

  5. 5. Fractal Methods for Greyscale Image Data Compression

    Författare :Mirek Novak; Linköpings universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : In this thesis fractal methods for image coding of still images are discussed. A specific class of encoding algorithms is introduced, where the algorithms are based on dividing image data into two components. One component is the part of the data which can be represented by a parametric model. LÄS MER