公开(公告)号：US20050271270A1

公开(公告)日：2005-12-08

申请号：US10709943

申请日：2004-06-08

Applicant: WEN-HSUAN HSIEH ,  CHIA-HAO SHIH ,  I-Chen Teng

Inventor： WEN-HSUAN HSIEH ,  CHIA-HAO SHIH ,  I-Chen Teng

IPC: G06K9/00 ,  H04N1/40 ,  H04N1/56

CPC classification number: H04N1/56 ,  G06T7/0002 ,  G06T7/90 ,  H04N1/40062

Abstract: A method of determining color composition of an image includes calculating an intensity value and a saturation value for each pixel of the image, comparing the calculated intensity and saturation values for each pixel with first and second predetermined threshold values, respectively, and labeling pixels with calculated intensity values above the first predetermined threshold value and calculated saturation values above the second predetermined threshold value as color pixels. Next, a mask is applied to the image and the number of color pixels selected by the mask is counted. If the number of color pixels selected by the mask is greater than or equal to a predetermined density value, the image is determined to be a color image.

Abstract translation: 确定图像的颜色组合的方法包括：计算图像的每个像素的强度值和饱和度值，分别将每个像素的计算强度和饱和度值分别与第一和第二预定阈值进行比较， 强度值高于第一预定阈值，并且将高于第二预定阈值的计算饱和度值作为彩色像素。 接下来，将掩模应用于图像，并且对由掩模选择的颜色像素的数量进行计数。 如果由掩模选择的彩色像素的数量大于或等于预定浓度值，则图像被确定为彩色图像。