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    • 1. 发明申请
    • IMAGE PROCESSING DEVICE AND METHOD FOR PROCESSING IMAGE
    • 图像处理装置和处理图像的方法
    • US20130084005A1
    • 2013-04-04
    • US13605053
    • 2012-09-06
    • Kyoung Joong MINIn Taek SongTae Hyeon Kwon
    • Kyoung Joong MINIn Taek SongTae Hyeon Kwon
    • G06T5/40
    • H04N1/4074
    • The present invention relates to an image processing device and a method for processing an image. The image processing device includes a brightness improvement unit to improve a brightness of inputted images by increasing a brightness of a dark image more darker than a knee point among inputted images with reference to a predetermined knee point and decreasing a brightness of an image more brighter than the knee point; and a contrast improvement unit to improve a contrast of the image outputted from the brightness improvement unit. The image processing device and the method for processing the image can reduce a distortion phenomenon and a saturation phenomenon or the like by reflecting the characteristics of images during the brightness improvement and contrast improvement of the images.
    • 本发明涉及图像处理装置和图像处理方法。 该图像处理装置包括:亮度改善单元,用于通过相对于预定的拐点点增加输入图像中比拐点更暗的暗图像的亮度,并且降低比图像更亮的图像的亮度来提高输入图像的亮度 拐点; 以及对比度改善单元,用于改善从亮度改善单元输出的图像的对比度。 图像处理装置和用于处理图像的方法可以通过在图像的亮度改善和对比度改善期间反映图像的特性来减少失真现象和饱和现象等。
    • 2. 发明申请
    • APPARATUS AND METHOD OF REDUCING NOISE
    • 降噪噪声的装置及方法
    • US20120057796A1
    • 2012-03-08
    • US13118691
    • 2011-05-31
    • Gyu Won KIMHo Seop JEONGIn Taek SONGKyoung Joong MINTae Hyeon KWON
    • Gyu Won KIMHo Seop JEONGIn Taek SONGKyoung Joong MINTae Hyeon KWON
    • G06K9/40
    • G06T5/002G06T5/20G06T2207/20012G06T2207/20192
    • There are provided an apparatus and a method of reducing noise. The apparatus of reducing noise includes: an edge determining module determining whether each pixel of an image corresponds to an edge; a low pass filter module performing low pass filtering of the image in two directions, i.e., vertical and horizontal directions and performing low pass filtering only for the pixel determined not to be the edge; a filter selecting module selecting a filter having a flexible size to be applied to a mask region for each of the images low pass filtered in the two directions based on the average brightness of the entire region and the average brightness of the mask region having a predetermined size; a sigma filter module sigma filtering the mask region using the selected filter for each of the images low pass filtered in the two directions; and an averaging module averaging the image sigma filtered in the two directions, thereby making it possible to adaptively reduce noise and prevent loss of the edge due to blurring of the image.
    • 提供了降低噪声的装置和方法。 降低噪声的装置包括:边缘确定模块,确定图像的每个像素是否对应于边缘; 低通滤波器模块,在两个方向,即垂直和水平方向上进行图像的低通滤波,并对仅被确定为不是边缘的像素执行低通滤波; 滤波器选择模块基于整个区域的平均亮度和具有预定的屏蔽区域的平均亮度,选择具有柔性尺寸的滤波器,该滤波器具有柔性尺寸以被应用于针对两个方向低通滤波的每个图像的屏蔽区域 尺寸; 西格玛滤波器模块使用所选择的滤波器对屏蔽区域进行滤波,对于在两个方向上低通滤波的每个图像; 以及平均模块,对在两个方向上滤波的图像sigma进行平均化,从而可以自适应地降低噪声并防止由于图像模糊引起的边缘损失。