Image scaling in the compressed domain
An image and pixel value technology, applied in the direction of image communication, image data processing, graphics and image conversion, etc., can solve the problem of no teaching, no teaching reduction, etc.
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[0034] Algorithm of the present invention can be implemented conveniently with software, and this software can be in Figure 4 An image processing system 40 of the type shown runs on it. like Figure 4As shown, the system includes a central processing unit (CPU) 41, which provides computing resources and controls the computer. CPU 41 may be implemented with a microprocessor or the like, and may also include a graphics processor and or a floating-point co-processor for mathematical calculations. System 40 also includes system memory 42, which may be in the form of random access memory (RAM) and read only memory (ROM).
[0035] like Figure 4 As shown, several controllers and peripherals are also provided. Input controller 43 represents an interface to one or more input devices 44, such as a keyboard, mouse or stylus. There is also a controller 45 which communicates with a scanner 46 or equivalent for digitizing documents containing graphics to be processed in accordance wi...
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