公开(公告)号：US20090135903A1

公开(公告)日：2009-05-28

申请号：US12246028

申请日：2008-10-06

申请人： Yuji WADA ,  Takao Nozawa

发明人： Yuji WADA ,  Takao Nozawa

IPC分类号： H04N7/26

CPC分类号： H04N19/186 ,  H04N19/124 ,  H04N19/137 ,  H04N19/176

摘要： Disclosed herein is an image processing device for coding image data, which is divided by a given pixel count into macroblocks, on a macroblock-by-macroblock basis, the image processing device including: a quantization section configured to quantize image data on a macroblock-by-macroblock basis; a detection section configured to detect a macroblock containing a given color pixel from the image data; and a control section configured to control the quantization section, the control section including a distance calculation section configured to calculate the distance between a given image position in a picture of the image data and an image position in the macroblock detected by the detection section, and a bitrate control section configured to control the quantization section so that a higher bitrate is assigned with decreasing distance calculated by the distance calculation section.

摘要翻译： 本发明公开了一种图像处理装置，用于以逐个宏块为基础对图像数据进行编码，将被给定的像素数除以宏块，图像处理装置包括：量化部， 逐块 检测部，被配置为从所述图像数据检测包含给定颜色像素的宏块; 以及控制部，被配置为控制所述量化部，所述控制部包括距离计算部，被配置为计算所述图像数据的图像中的给定图像位置与所述检测部检测到的所述宏块中的图像位置之间的距离;以及 比特率控制部分，被配置为控制所述量化部分，使得由所述距离计算部分计算出的具有减小距离的较高比特率被分配。