An ROI Coding Technique of JPEG2000 Image Including Some Arbitrary ROI
نویسندگان
چکیده
منابع مشابه
Jpeg2000 Roi Coding in Medical Imaging Applications
Region of interest (ROI) coding is one of the innovative functionalities supported by JPEG2000. It enables a non-uniform distribution of the available bit budget (i.e. image quality) between a selected region (ROI) and the rest of the image (background). This is achieved by appropriate scaling of the background wavelet coefficients. Two different methods are used for ROI coding, the MAXSHIFT me...
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Region Of Interest (ROI) coding is a prominent feature of some image coding systems aimed to prioritize specific areas of the image through the construction of a codestream that, decoded at increasing bit-rates, recovers the ROI first and with higher quality than the rest of the image. JPEG2000 is a wavelet-based coding system that is supported in the Digital Imaging and Communications in Medic...
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Image compression can improve the performance of the digital systems by reducing time and cost in image storage and transmission without significant reduction of the image quality. Furthermore, the JPEG2000 has emerged as the new state-of-the art standard for image compression. In this paper, a Selective Coefficient Mask Shift (SCMShift) coding method is proposed. The technique, implemented ove...
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ژورنال
عنوان ژورنال: Journal of the Korea Society of Computer and Information
سال: 2010
ISSN: 1598-849X
DOI: 10.9708/jksci.2010.15.11.031