发明授权
US08045621B2 Image coding and decoding method and apparatus considering human visual characteristics 有权
考虑人类视觉特征的图像编码和解码方法和装置

Image coding and decoding method and apparatus considering human visual characteristics
摘要:
An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
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