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What Is Wrong with Compression Ratio in Lossy Image Compression?
Radiology, 2007Editor: We read with interest the article by Dr Ringl and colleagues (1) in the September 2006 issue of Radiology, in which they evaluate the effect of using the lossy image-compression algorithm, Joint Photographic Experts Group (JPEG) 2000, on computed tomographic (CT) images.
Aleš Fidler, Boštjan Likar
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Improve the compression ratios for code-based test vector compressions by decomposing
2015 20th IEEE European Test Symposium (ETS), 2015Code-based test vector compressions are the most capable of testing current SOCs consisted of a large number of IP cores because they do not need the structure information of the cores. However, the compression ratios of this kind of compression approaches are often lower than that of other compression methods, such as linear-decompression-based ...
Jishun Kuang +3 more
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American Journal of Audiology, 1997
An investigation was conducted to determine the effects of vent diameter, stimulus characteristics, and adaptive release time on the real ear compression ratio (CR). Real ear input/output (I/O) functions generated in response to syllables and speech-shaped noise revealed that the real ear CR is often less than the nominal value measured in the coupler,
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An investigation was conducted to determine the effects of vent diameter, stimulus characteristics, and adaptive release time on the real ear compression ratio (CR). Real ear input/output (I/O) functions generated in response to syllables and speech-shaped noise revealed that the real ear CR is often less than the nominal value measured in the coupler,
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Syllabic compression: Effective compression ratios for signals modulated at different rates
British Journal of Audiology, 1992Compression circuits are being used increasingly in hearing aids to reduce the dynamic range of signals. Their performance is usually characterized by: (1) the threshold sound level above which the compression starts to operate; (2) the compression ratio, which is the change in input level (in dB) required to achieve a 1 dB change in output level; and (
M A, Stone, B C, Moore
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Packet Header Compression: A Principle-Based Survey of Standards and Recent Research Studies
IEEE Communications Surveys and Tutorials, 2022Mate Tömösközi +2 more
exaly
COMPRESSION RATIO OF FRACTAL SETS
FractalsFractal sets are generated by simple generating formulas (iterated functions) and therefore have an almost zero algorithmic (Kolmogorov) complexity. Yet when observed as data with no knowledge of the iterated function, for instance, when observing pixel values of any region of a fractal image, the fractal set is very complex.
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Ultrahigh‐Sensitive Compression‐Stress Sensor Using Integrated Stimuli‐Responsive Materials
Advanced Materials, 2021Keigo Oyama +2 more
exaly
Hybrid sorption-vapor compression cooling systems: A comprehensive overview
Renewable and Sustainable Energy Reviews, 2021Mohamed G Gado +2 more
exaly
Theoretical Base for the Compression Ratio
1997Empirical formula for compression ratio, depending upon temperature difference, is based upon experimental data. However, initial expression may be mathematically transformed into a more convenient shape, having a deeper thermodinamical meaning.
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