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    • 6. 发明公开
    • 영상 처리 장치 및 방법
    • 用于处理图像的装置和方法
    • KR1020140072386A
    • 2014-06-13
    • KR1020120139267
    • 2012-12-03
    • 한화테크윈 주식회사연세대학교 산학협력단
    • 이창민강문기강희
    • G06T5/00H04N5/265
    • G06T5/007G06T2207/10024G06T2207/20012G06T5/008G06T2207/20221H04N5/265
    • The present invention relates to an image processing apparatus and an image processing method which can effectively display an image using an optimized dynamic range compression technique. The image processing method comprises the steps of: obtaining a first blurred image and a second blurred image from an input image; estimating illuminance of the input image by combining the first blurred image with the second blurred image according to characteristics of the input image; amplifying a dark region of the input image; conserving a bright region of the input image; and blending a dark region amplified image with a bright region conserved image, to which different weights are applied, respectively, according to the estimated illuminance. According to the present invention, halo effects can be minimized and contrast of an image can be improved by using the optimized dynamic range compression technique.
    • 本发明涉及一种能够使用优化的动态范围压缩技术有效地显示图像的图像处理装置和图像处理方法。 图像处理方法包括以下步骤:从输入图像获得第一模糊图像和第二模糊图像; 根据输入图像的特性,通过组合第一模糊图像与第二模糊图像来估计输入图像的照度; 放大输入图像的暗区域; 节省输入图像的亮区域; 以及根据估计的照度,将暗区域放大图像与亮区保守图像分别混合到不同权重的应用。 根据本发明,可以通过使用优化的动态范围压缩技术来最小化光晕效应并且可以提高图像的对比度。
    • 10. 发明公开
    • 비디오의 잡음 제거 방법 및 장치
    • 减少噪声的方法和装置
    • KR1020130105316A
    • 2013-09-25
    • KR1020130004034
    • 2013-01-14
    • 한화테크윈 주식회사연세대학교 산학협력단
    • 이창민강문기박상욱이민석
    • H04N5/217G06T7/20
    • H04N5/23264G06T7/20H04N5/217H04N5/2352
    • PURPOSE: A method for removing thermal noise of a video and an apparatus for the same are provided to remove the thermal noise generated in an image sensor when taking the video. CONSTITUTION: Noise is removed in a difference between a current frame and a previous frame in which temporal noise is reduced (S210). Motion information of the current frame is detected based on the difference in which noise is removed, and the temporal noise of the current frame is removed according to the motion information (S240). [Reference numerals] (AA) Current frame; (BB) Previous frame; (CC) Frame with its temporal noises removed; (S220) Calculate an average SAD value within W; (S230) Subtract an offset value from the average SAD value; (S250) Calculate a first motion detection coefficient; (S260) Calculate a second motion detection coefficient; (S270) Calculate a third motion detection coefficient; (S280) Remove temporal noises
    • 目的:提供一种消除视频的热噪声的方法及其装置,以便在拍摄视频时消除在图像传感器中产生的热噪声。 构成:在当前帧与时间噪声降低的前一帧之间的差异中去除噪声(S210)。 基于消除噪声的差异检测当前帧的运动信息,并且根据运动信息去除当前帧的时间噪声(S240)。 (附图标记)(AA)当前帧; (BB)上一帧; (CC)消除其时间噪声的帧; (S220)计算W内的平均SAD值; (S230)从平均SAD值减去偏移值; (S250)计算第一运动检测系数; (S260)计算第二运动检测系数; (S270)计算第三运动检测系数; (S280)消除时间噪音