公开(公告)号：US20150009228A1

公开(公告)日：2015-01-08

申请号：US14070582

申请日：2013-11-04

Applicant: Novatek Microelctronics Corp.

Inventor： Hsing-Chuan Chen

IPC: G09G5/06 ,  G06T7/40

CPC classification number: G09G5/10 ,  G09G2320/0271 ,  G09G2320/066 ,  G09G2360/16

Abstract: An image processing method, an anti-saturation method for image data and an image processing device are provided. The image processing method includes: analyzing an image frame to obtain an original gain value corresponding to grayscale values of the image frame, wherein the original gain value is greater than 1; obtaining a lookup table recording conversion relationship between default grayscale values and default gain values, wherein the lookup table is used for performing anti-saturation processing on image data of the image frame; according to the original gain value, performing anti-saturation processing for the image frame by using the lookup table to obtain an adjusted conversion relationship of the image frame, wherein the adjusted conversion relationship defines a conversion relationship between different grayscale values of the image frame and corresponding adjusted gain values; and performing gain processing on image data of the image frame according to the adjusted conversion relationship.

Abstract translation: 提供图像处理方法，图像数据的抗饱和方法和图像处理装置。 该图像处理方法包括：分析图像帧以获得对应于图像帧的灰度值的原始增益值，其中原始增益值大于1; 获取在默认灰度值和默认增益值之间记录转换关系的查找表，其中所述查找表用于对所述图像帧的图像数据执行抗饱和处理; 根据原始增益值，通过使用查找表对图像帧进行抗饱和处理，以获得图像帧的经调整的转换关系，其中调整的转换关系定义图像帧的不同灰度值与 相应的调整增益值; 并根据经调整的转换关系对图像帧的图像数据进行增益处理。