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A technique for high ratio LZW compression [logic test vector compression]
2003 Design, Automation and Test in Europe Conference and Exhibition, 2003Reduction of both the test suite size and the download time of test vectors is important in today's system-on-a-chip designs. In this paper, a method for compressing the scan test patterns using the LZW algorithm is presented. This method leverages the large number of "don't-cares" in test vectors in order to improve the compression ratio significantly.
M.J. Knieser +4 more
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2023
High-speed cameras are a great asset to grasp highly dynamic events beyond human perception. However, storage, bandwidth, and cost severely limit its widespread usage. Based on compressed sensing, snapshot compressive imaging appears as an alternative to traditional video capture and compression, though scalability in terms of spatial and temporal ...
Bastian Romero +2 more
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High-speed cameras are a great asset to grasp highly dynamic events beyond human perception. However, storage, bandwidth, and cost severely limit its widespread usage. Based on compressed sensing, snapshot compressive imaging appears as an alternative to traditional video capture and compression, though scalability in terms of spatial and temporal ...
Bastian Romero +2 more
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High Compression Rate and Ratio Using Predefined Huffman Dictionaries
2013 Data Compression Conference, 2013Current Huffman coding modes are optimal for a single metric: compression ratio (quality) or rate (performance). We recognize that real life data can usually be classified to families of data types and thus the Huffman dictionary can be reused instead of recalculated.
Amit Golander +4 more
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Computation of compressible flows with high density ratio and pressure ratio
Applied Mathematics and Mechanics, 2008zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Leveraging predefined huffman dictionaries for high compression rate and ratio
Proceedings of the 6th International Systems and Storage Conference on - SYSTOR '13, 2013The explosion of data, both in motion and in rest, along with the popularity of cloud computing, have resulted in the need for better in-line compression solutions. Current Huffman coding modes are optimal for a single metric: compression ratio (quality) or rate (performance).
Amit Golander +4 more
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Methanol Operation at High Compression Ratio in a Compression Ignition Engine
ASME 2025 ICE Forward ConferenceAbstract Methanol fuel was operated in the Cooperative Fuels Research (CFR) Compression-Ignition Diesel Engine (F-5) with both conventional jet fuel as well as neat methanol at a very high compression ratio of 25 along with intake air heating.
Jim Cowart, Dianne Luning Prak
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Injection compression molding of high-aspect-ratio nanostructures
Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 2011High-aspect-ratio nanostructures were replicated by injection compression molding. The effects of the mold temperature and pattern shape on the degree of replication were investigated using a replication technique for optical disks (digital versatile disks) and a Ni stamper with patterns with a width and height of 200 and 400 nm.
Keisuke Nagato +2 more
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Combustion Chambers For High Compression Ratio D.I. Diesel
SAE Technical Paper Series, 1984<div class="htmlview paragraph">In direct injection Diesel engines having a unit displacement less than 1 liter, the use of high compression ratios (19\20 instead of 16\17) is mandatory for solving cold smoke problems and reducing HC\NOx emissions. The increase of compression ratio however is associated to the increase of black smoke and specific
C. Bassoli, G. Bodritti, G. M. Cornetti
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Diesel Combustion at High MEP with Low Compression Ratio
SAE Technical Paper Series, 1966<div class="htmlview paragraph">Very high mean effective pressures can be obtained from the diesel engine with limited maximum cylinder pressures by using a large clearance volume, that is, a low compression ratio, at high loads. The resultant low compression temperature is an added advantage as far as power production is concerned, but gives ...
W. P. Mansfield, W. S. May
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A concept of very high ratio gas compression device
Journal of Fusion Energy, 2016A very high ratio gas compression device based on liquid metal conical implosion is described in this paper, which can reach a compression ratio up to 109–12. This device can produce extremely high density, high pressure, and high temperature, thermally equilibrated states by rapid but continuous compression of gaseous materials.
Cheng Li, Jianguo Chen, Yian Lei
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