Invention Grant
US08290282B2 Method for reducing the size of a digital image or video file 有权
减小数字图像或视频文件大小的方法

Method for reducing the size of a digital image or video file
Abstract:
The invention concerns a method comprising a coding step consisting in replacing the original values of the file with coding values of reduced brightness, a common coding value being attributed to a group of original values, a step of restitution consisting in setting correspondence values between the coding value and the restored value, selected from one of the values of the corresponding group, an insertion step consisting in modifying the successive redundant restored values so as to produce shades and a step which consists in reading the values resulting from the insertion step.
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