公开(公告)号：US20090129694A1

公开(公告)日：2009-05-21

申请号：US12139808

申请日：2008-06-16

申请人： Ming-Yang WU ,  Brian Sung ,  Chi-Chang Yu ,  Chia-Kai Liang

发明人： Ming-Yang WU ,  Brian Sung ,  Chi-Chang Yu ,  Chia-Kai Liang

IPC分类号： G06K9/40

CPC分类号： G06T5/002 ,  G06T5/20

摘要： A method and an apparatus thereof for enhancing a digital image. The method includes the steps of: capturing a pixel data block; determining a searching region and a reference window with the pixel data block serving as a center; dividing the searching region into compared windows each having a size equal to a size of the reference window; sequentially comparing the compared windows to the reference window to determine corresponding weighting values according to compared results; multiplying calculated blocks in the compared windows by the corresponding weighting values of the blocks to obtain weighted blocks; accumulating the weighted blocks to obtain a summed pixel data block; accumulating the weighting values to obtain a summed weighting value; and normalizing the summed pixel data block according to the summed weighting value to obtain an image-enhanced pixel data block.

摘要翻译： 一种用于增强数字图像的方法和装置。 该方法包括以下步骤：捕获像素数据块; 以所述像素数据块为中心确定搜索区域和参考窗口; 将搜索区域划分成具有等于参考窗口的大小的大小的比较窗口; 将比较的窗口顺序地与参考窗口进行比较，以根据比较的结果确定相应的加权值; 将所比较的窗口中的计算块乘以块的对应加权值以获得加权块; 累积加权块以获得相加的像素数据块; 累积加权值以获得加权加权值; 以及根据加权的加权值对求和的像素数据块进行归一化以获得图像增强像素数据块。

公开(公告)号：US20100067819A1

公开(公告)日：2010-03-18

申请号：US12425036

申请日：2009-04-16

申请人： Ming-Yang WU ,  Chi-Chang YU ,  Brian SUNG

发明人： Ming-Yang WU ,  Chi-Chang YU ,  Brian SUNG

IPC分类号： G06K9/40

CPC分类号： G06T5/009 ,  G06T5/40 ,  G06T2207/10016 ,  G06T2207/20021

摘要： The present invention relates to a method for image enhancement. The method includes the steps of: replacing a value of a pixel of a digital image with a maximum one of values of red, green and blue sub-pixels of the pixel; selecting a specific pixel from pixels of the digital image; selecting some of the pixels surrounding the specific pixel to constitute a specific block; calculating an average of values of the pixels of the specific block; providing multiple curve functions; obtaining a corresponding one of the curve functions according to the average, and substituting the value of the pixel of the image into the curve functions to obtain new output brightness values.

摘要翻译： 本发明涉及图像增强的方法。 该方法包括以下步骤：用像素的红色，绿色和蓝色子像素的值中的最大值替换数字图像的像素的值; 从数字图像的像素中选择特定像素; 选择围绕特定像素的一些像素以构成特定块; 计算特定块的像素的平均值; 提供多个曲线函数; 根据平均值获得相应的一个曲线函数，并将图像像素的值代入曲线函数以获得新的输出亮度值。