نتایج جستجو برای: compression testing

تعداد نتایج: 424822  

2012
A. Mohammed T. G. Hughes

This paper presents part of a research into the small scale modelling of masonry. Small scale testing of masonry has been carried out by many authors, but few have attempted a systematic determination of the parameters that affect masonry at a small scale. The effect of increasing mortar strength and different sand gradings under compression were investigated. The results show masonry strength ...

2012

This paper presents part of a research into the small scale modelling of masonry. Small scale testing of masonry has been carried out by many authors, but few have attempted a systematic determination of the parameters that affect masonry at a small scale. The effect of increasing mortar strength and different sand gradings under compression were investigated. The results show masonry strength ...

2012
Vineeth Mohan Ajay Mohanan Paul Leons Rizwin Shooja Amrita Vishwa Vidyapeetham

This paper presents a pipelined approach towards the implementation of the JPEG baseline encoder for grayscale image compression using HDL. The complete baseline encoder with DCT compressor model, quantization, and entropy encoding has been realized in HDL. The paper also delves into the implementation of the DWT core for a JPEG2000 image compression standard. A comprehensive testing and verifi...

2014
B. Karthikeyan V. Vaithiyanathan B. Venkatraman M. Menaka

Image compression plays a major role in saving bandwidth and memory space which is the need of hour. In industry various components are tested effectively using NDT (Non-Destructive Testing) and this information is stored in the system. To reduce the memory space required for storing, lossless compression is used. This paper focuses on the various scanning paths methods for lossless compression...

Journal: :IEEE Trans. Information Theory 1988
Nirmal R. Saxena John P. Robinson

Abstruct-In the testing of logic circuits, two of the proposed data compression methods are the number of ones (syndrome) and the number of sequence changes (transition count). An enumeration N ( m , k , t ) of the number of length-m binary sequences having syndrome value k and transition count t is developed. Examination of this result reveals that the parallel compression of these two methods...

2015
Hsin-Chang Feng Michael W. Marcellin Ali Bilgin

This paper described the details of subjective validation for visually lossless compression of stereoscopic 3 dimensional (3D) images. The subjective testing method employed in this work is adapted from methods used previously for visually lossless compression of 2 dimensional (2D) images. Confidence intervals on the correct response rate obtained from the subjective validation of compressed st...

Journal: :Computers & Chemical Engineering 2016
Sara Budinis Nina F. Thornhill

This paper presents computer-based design and analysis of control systems for centrifugal compressors when the operating fluid is supercritical CO2. It reports a non-linear dynamic model including a main forward compression line and two different configurations for the recycle antisurge line. Disturbance scenarios are proposed for testing the configurations and performance indicators are sugges...

2012
Hengjian Li Lianhai Wang

In this study, lossless grayscale image compression methods are compared on public palmprint image databases. Effect of lossy compression algorithms on biometric samples has been well studied. However, lossless compression algorithms on the compression ratios have little been appreciated. In this study, we review and the stateofart lossless compression algorithms and investigate the performance...

Journal: :IEICE Transactions 2006
Gang Zeng Hideo Ito

A novel concurrent core test approach is proposed to reduce the test cost of SOC. Prior to test, the test sets corresponding to cores under test (CUT) are merged by using the proposed merging algorithm to obtain a minimum merged test set. During test, the proposed scan tree architecture is employed to support the concurrent core test using the merged test set. The approach achieves concurrent c...

2006
Yasemin Boztuğ Thomas Reutterer

There are two main research traditions for analyzing market basket data that exist more or less independently from each other, namely exploratory and explanatory model types. Exploratory approaches are restricted to the task of discovering cross-category interrelationships and provide marketing managers with only very limited recommendations regarding decision making. The latter type of models ...

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