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Více informací o knize Image Fusion Using PCA And Directional Discrete Cosine Transform

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Anotace knihy

Image fusion is a technique that integrate complimentary details from multiple input images such that the new image give more information and more suitable for the purpose of human visual perception. Nearly all block-based transform schemes for image and video coding developed so far choose the 2-D discrete cosine transform (DCT) of a square block shape. With almost no exception, this conventional DCT is implemented separately through two 1-D transforms, one along the vertical direction and another along the horizontal direction. We develop a new block-based DCT framework in which the first transform may choose to follow a direction other than the vertical or horizontal one. The coefficients produced by all directional transforms in the first step are arranged appropriately so that the second transform can be applied to the coefficients that are best aligned with each other. Compared with the conventional DCT, the resulting directional DCT framework is able to provide a better coding performance for image blocks that contain directional edges-a popular scenario in many image signals.

Parametry knihy

• Plný název: Image Fusion Using PCA And Directional Discrete Cosine Transform
• Autor: Reecha Sharma, Balwinder Kaur
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 60
• EAN: 9786202005869
• ID: 18052940
• Nakladatelství: LAP Lambert Academic Publishing
• Hmotnost: 107 g
• Rozměry: 220 × 150 × 4 mm
• Rok vydání: 2017

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