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m-SAAC: Multi-stage adaptive approximation control to select approximate computing modes for vision applications

The psycho-visual nature of images and iterative nature of processing algorithms make vision and image processing suitable applications for approximate computing. State-of-the-art research in this area examines application resilience to approximation while assuming a uniform distribution for the inf...

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Bibliographic Details
Published in:Microelectronics 2019-09, Vol.91, p.84-91
Main Authors: Amjad, Rida, Hafiz, Rehan, Ilyas, Muhammad U., Younis, Muhammad Shahzad, Shafique, Muhammad
Format: Article
Language:English
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Summary:The psycho-visual nature of images and iterative nature of processing algorithms make vision and image processing suitable applications for approximate computing. State-of-the-art research in this area examines application resilience to approximation while assuming a uniform distribution for the information source. In this paper, we demonstrate that data-driven analysis can provide better insight into approximation requirements for image processing applications. Furthermore, this analysis is leveraged to design the multi-stage adaptive approximation control (m-SAAC) methodology that can save compute power by utilizing approximate computing, without compromising on image quality. The results demonstrate the efficacy of the proposed methodology for a variety of test cases.
ISSN:1879-2391
1879-2391
DOI:10.1016/j.mejo.2019.07.010