公开(公告)号：US06915021B2

公开(公告)日：2005-07-05

申请号：US09728365

申请日：2000-11-30

申请人： Philip E. Cannata ,  Michael P. Keyes ,  Jamie L. Kawabata

发明人： Philip E. Cannata ,  Michael P. Keyes ,  Jamie L. Kawabata

IPC分类号： G06K9/00 ,  G06K9/40 ,  G06T5/00 ,  G06T5/40

CPC分类号： H04N1/409 ,  H04N1/6072

摘要： A method and apparatus for selectively applying image enhancement processing to parts of an image. In one embodiment, spatial processing transformations, such as sharpening for example, are reduced or bypassed for pixels having color code values within a range known to be adversely affected by the spatial processing transformations. In another embodiment, color correction processing transformations are bypassed for pixels having color code values within a neutral color range. These neutral colors may have a gray-correction transformation applied in order to better separate the neutral colors from the other colors. According to another embodiment, color code values for pixels are transformed to two or more different color spaces. If a color correction transformation will have adverse affects on a pixel in one color space, corrected data from a different color space can be utilized for the pixel.

摘要翻译： 一种用于对图像的部分选择性地应用图像增强处理的方法和装置。 在一个实施例中，对于具有已知受到空间处理变换的不利影响的范围内的颜色代码值的像素，空间处理变换（例如，锐化）被减少或旁路。 在另一个实施例中，对于具有在中性色范围内的颜色代码值的像素，旁路颜色校正处理变换。 这些中性色可能会应用灰度校正变换，以便更好地将中性色与其他颜色分开。 根据另一实施例，用于像素的颜色代码值被变换为两个或更多个不同的颜色空间。 如果颜色校正变换将对一个颜色空间中的像素产生不利影响，则可以对该像素利用来自不同颜色空间的校正数据。

公开(公告)号：US06813392B2

公开(公告)日：2004-11-02

申请号：US09745063

申请日：2000-12-20

申请人： Jamie L. Kawabata

发明人： Jamie L. Kawabata

IPC分类号： G06K932

CPC分类号： H04N1/3876 ,  G06K9/6203 ,  G06T7/32 ,  G06T2207/10016

摘要： An image alignment method and system for aligning two digital images which were intended to be scanned from the same portion of medium, but which may be skewed somewhat. A portion of the first digital image is selected as the target region and a portion of the second digital image is selected as a variable or movable region. Data from the two regions can be subjected to a mathematical or statistical algorithm which determines how well the data from the regions match or correlate. Then, a new region can be selected to serve as the variable region from the second digital image and the correlation algorithm can be conducted again. This process can be repeated on a number of regions from the second digital image. Regions having the highest mathematical correlation can then be used to determine offsets which indicate the amount of skew or misalignment between the two digital images.

摘要翻译： 用于对准两个数字图像的图像对准方法和系统，这两个数字图像旨在从介质的相同部分扫描，但可能有些偏斜。 选择第一数字图像的一部分作为目标区域，并且将第二数字图像的一部分选择为可变区域或可移动区域。 来自两个区域的数据可以经受数学或统计算法，其确定来自区域的数据如何匹配或相关。 然后，可以选择新的区域作为来自第二数字图像的可变区域，并且可以再次进行相关算法。 该过程可以在第二数字图像的多个区域上重复。 可以使用具有最高数学相关性的区域来确定指示两个数字图像之间的偏斜量或不对准量的偏移量。