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Error-free Implementation of the Discrete Cosine Transform: Algorithms and Architectures using Multidimensional Algebraic Integer Quantization - Softcover
Synopsis
The advancement in multimedia-based applications has sustained the need for more efficient ways to encode signals and images. Over the years, the Discrete Cosine Transform (DCT) has emerged as the most popular transform for many image and video coding applications. While implementing the DCT using finite-precision, approximation of the real-valued transform coefficients is required. It not only results in computational error, but also limits the quality of the reconstruction. An error-free encoding using algebraic integers has been shown to be an effective way of resolving the issue. The mapping technique ? referred as Algebraic Integer Quantization (AIQ) ? encodes the irrational basis functions using algebraic integers. This research presents novel AIQ-based architectures for the fast implementation of several 8x8 2-D scaled DCT and Inverse scaled DCTs. A new Integer-like 8x8 2-D DCT for H.264 encoder is also presented. Apart from the multiplication-free nature, the presented scheme eliminates any quantization errors during the transform stage resulting in area-efficient and high-speed designs suitable for real-time image or video compression and HDTV applications.
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About the Author
Khan Wahid earned his B.Sc. degree from Bangladesh Univ. of Eng. & Tech. (2000), M.Sc (2003) and Ph.D (2007) from the Univ. of Calgary. He has received the most distinguished ?Killam? and the ?NSERC Canada Graduate? scholarships for his doctoral research. He has authored/co-authored over 45 peer-reviewed journal and international conference papers.
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Error-free Implementation of the Discrete Cosine Transform
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The advancement in multimedia-based applications has sustained the need for more efficient ways to encode signals and images. Over the years, the Discrete Cosine Transform (DCT) has emerged as the most popular transform for many image and video coding applications. While implementing the DCT using finite-precision, approximation of the real-valued transform coefficients is required. It not only results in computational error, but also limits the quality of the reconstruction. An error-free encoding using algebraic integers has been shown to be an effective way of resolving the issue. The mapping technique referred as Algebraic Integer Quantization (AIQ) encodes the irrational basis functions using algebraic integers. This research presents novel AIQ-based architectures for the fast implementation of several 8x8 2-D scaled DCT and Inverse scaled DCTs. A new Integer-like 8x8 2-D DCT for H.264 encoder is also presented. Apart from the multiplication-free nature, the presented scheme eliminates any quantization errors during the transform stage resulting in area-efficient and high-speed designs suitable for real-time image or video compression and HDTV applications. 240 pp. Englisch. Seller Inventory # 9783843376327
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Error-free Implementation of the Discrete Cosine Transform | Algorithms and Architectures using Multidimensional Algebraic Integer Quantization
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Taschenbuch. Condition: Neu. Error-free Implementation of the Discrete Cosine Transform | Algorithms and Architectures using Multidimensional Algebraic Integer Quantization | Khan Wahid | Taschenbuch | 240 S. | Englisch | 2010 | LAP LAMBERT Academic Publishing | EAN 9783843376327 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu. Seller Inventory # 107219893
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Error-free Implementation of the Discrete Cosine Transform
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LAP LAMBERT Academic Publishing Nov 2010, 2010
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The advancement in multimedia-based applications has sustained the need for more efficient ways to encode signals and images. Over the years, the Discrete Cosine Transform (DCT) has emerged as the most popular transform for many image and video coding applications. While implementing the DCT using finite-precision, approximation of the real-valued transform coefficients is required. It not only results in computational error, but also limits the quality of the reconstruction. An error-free encoding using algebraic integers has been shown to be an effective way of resolving the issue. The mapping technique - referred as Algebraic Integer Quantization (AIQ) - encodes the irrational basis functions using algebraic integers. This research presents novel AIQ-based architectures for the fast implementation of several 8x8 2-D scaled DCT and Inverse scaled DCTs. A new Integer-like 8x8 2-D DCT for H.264 encoder is also presented. Apart from the multiplication-free nature, the presented scheme eliminates any quantization errors during the transform stage resulting in area-efficient and high-speed designs suitable for real-time image or video compression and HDTV applications.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 240 pp. Englisch. Seller Inventory # 9783843376327
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Error-free Implementation of the Discrete Cosine Transform : Algorithms and Architectures using Multidimensional Algebraic Integer Quantization
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Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The advancement in multimedia-based applications has sustained the need for more efficient ways to encode signals and images. Over the years, the Discrete Cosine Transform (DCT) has emerged as the most popular transform for many image and video coding applications. While implementing the DCT using finite-precision, approximation of the real-valued transform coefficients is required. It not only results in computational error, but also limits the quality of the reconstruction. An error-free encoding using algebraic integers has been shown to be an effective way of resolving the issue. The mapping technique referred as Algebraic Integer Quantization (AIQ) encodes the irrational basis functions using algebraic integers. This research presents novel AIQ-based architectures for the fast implementation of several 8x8 2-D scaled DCT and Inverse scaled DCTs. A new Integer-like 8x8 2-D DCT for H.264 encoder is also presented. Apart from the multiplication-free nature, the presented scheme eliminates any quantization errors during the transform stage resulting in area-efficient and high-speed designs suitable for real-time image or video compression and HDTV applications. Seller Inventory # 9783843376327
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Error-free Implementation of the Discrete Cosine Transform: Algorithms and Architectures using Multidimensional Algebraic Integer Quantization
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