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Software/Hardware Tradeoffs in the S...

Mazza, James P.

Software/Hardware Tradeoffs in the Speedup of Color Image Processing Algorithms.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Software/Hardware Tradeoffs in the Speedup of Color Image Processing Algorithms.
作者:	Mazza, James P.
面頁冊數:	65 p.
附註:	Source: Masters Abstracts International, Volume: 54-04.
附註:	Adviser: Dorin Patru.
Contained By:	Masters Abstracts International54-04(E).
標題:	Electrical engineering.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1586441
ISBN:	9781321680614

Software/Hardware Tradeoffs in the Speedup of Color Image Processing Algorithms.
Mazza, James P.

Software/Hardware Tradeoffs in the Speedup of Color Image Processing Algorithms. - 65 p.

Source: Masters Abstracts International, Volume: 54-04.

Thesis (M.S.)--Rochester Institute of Technology, 2015.

Data parallel image processing algorithms have numerous uses in many real time applications. Depending on the complexity of the computations involved, these algorithms may take considerable amounts of time to complete. Since the algorithms are performed in real time, the end user is negatively impacted by the extended execution times. Fortunately, there are many different ways available in hardware and software to improve the speed of these algorithms. This thesis looks at several different methods of improving the speedup of color image processing algorithms and compares the tradeoffs among them.

ISBN: 9781321680614Subjects--Topical Terms:

454503
Electrical engineering.

Software/Hardware Tradeoffs in the Speedup of Color Image Processing Algorithms.
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520 $a Data parallel image processing algorithms have numerous uses in many real time applications. Depending on the complexity of the computations involved, these algorithms may take considerable amounts of time to complete. Since the algorithms are performed in real time, the end user is negatively impacted by the extended execution times. Fortunately, there are many different ways available in hardware and software to improve the speed of these algorithms. This thesis looks at several different methods of improving the speedup of color image processing algorithms and compares the tradeoffs among them.
520 $a The methods for increasing the execution time of an algorithm include implementing Single Input Multiple Data (SIMD) instructions, using Posix threads to code across several processors, and using a stream based multichannel framework to implement the algorithms on an FPGA. Each of the above methods had advantages and disadvantages, yet all approaches were found to introduce a significant speedup over the single core baseline tests. These methods were completed on a number of different images to examine the effects of workload on the efficiency of the implementations.
520 $a The application of these speedup techniques yielded excellent results leading to speedups of greater than 3.85 times in software and 5.8 times in hardware. In each of the software tests, the output image had a 2-d correlation coefficient (CORR2) of 1.0000. When implementing the algorithms in hardware using implementation specific approximations, the correlation coefficient of the output image was still an acceptable 0.99 or higher.
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