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1. 发明授权

US09426481B2 Method and apparatus for encoding image, and method and apparatus for decoding image 有权
标题翻译：用于编码图像的方法和装置，以及用于解码图像的方法和装置
公开(公告)号：US09426481B2
公开(公告)日：2016-08-23
申请号：US13594953
申请日：2012-08-27
申请人： Seung-gu Kim , Geon-hyoung Lee , Se-hyeok Park , Tae-gyoung Ahn
发明人： Seung-gu Kim , Geon-hyoung Lee , Se-hyeok Park , Tae-gyoung Ahn
IPC分类号： H04N19/182 , H04N19/42 , H04N19/50 , H04N19/132 , H04N19/426 , H04N19/167 , H04N19/124 , H04N19/34
CPC分类号： H04N19/428 , H04N19/124 , H04N19/132 , H04N19/167 , H04N19/182 , H04N19/34 , H04N19/50
摘要： A method and apparatus for encoding an image, and a method and apparatus for decoding an image. The method of encoding an image includes: classifying pixels forming an input image into a first pixel group in which bit depth of original pixel values is maintained, and a second pixel group in which bit depth of original pixel values is changed; generating a changed input image by changing the bit depth of pixel values of pixels in the second pixel group; and performing motion prediction and compensation on the changed input image.
摘要翻译：用于编码图像的方法和装置，以及用于对图像进行解码的方法和装置。编码图像的方法包括：将形成输入图像的像素分类为保持原始像素值的位深度的第一像素组，以及改变原始像素值的位深度的第二像素组; 通过改变第二像素组中像素的像素值的位深度来生成改变的输入图像; 并对改变的输入图像执行运动预测和补偿。

2. 发明授权

US09014272B2 Method and apparatus for generating interpolated frame between original frames 有权
标题翻译：用于在原始帧之间生成内插帧的方法和装置
公开(公告)号：US09014272B2
公开(公告)日：2015-04-21
申请号：US13284342
申请日：2011-10-28
申请人： Seung-gu Kim , Tae-gyoung Ahn , Se-hyeok Park , Young-ho Moon
发明人： Seung-gu Kim , Tae-gyoung Ahn , Se-hyeok Park , Young-ho Moon
IPC分类号： H04N7/26 , H04N19/59 , H04N19/51 , H04N19/132 , H04N19/184 , H04N19/48 , H04N19/587
CPC分类号： H04N19/59 , H04N19/132 , H04N19/184 , H04N19/48 , H04N19/51 , H04N19/587
摘要： A method and apparatus for generating an interpolated frame are provided. The method includes: generating a motion vector for generating a third frame by performing motion estimation based on first image data and second image data, the first image data being a portion of image data of a first frame and the second image data being a portion of image data of a second frame; restoring the image data of the first frame based on the first image data and the image data of the second frame based on the second image data; and generating the third frame by performing motion compensation based on at least one of the restored image data of the first frame and the restored image data of the second frame and the generated motion vector.
摘要翻译：提供了一种用于生成内插帧的方法和装置。该方法包括：通过基于第一图像数据和第二图像数据执行运动估计来产生用于生成第三帧的运动矢量，第一图像数据是第一帧的图像数据的一部分，第二图像数据是第二帧的图像数据; 基于第二图像数据，基于第一图像数据和第二帧的图像数据恢复第一帧的图像数据; 以及通过基于第一帧的恢复图像数据和第二帧的恢复图像数据和所生成的运动矢量中的至少一个执行运动补偿来生成第三帧。

3. 发明授权

US08836860B2 Method and apparatus for converting image rate by using image scaling 有权
标题翻译：通过使用图像缩放来转换图像速率的方法和装置
公开(公告)号：US08836860B2
公开(公告)日：2014-09-16
申请号：US13590627
申请日：2012-08-21
申请人： Jae-hyang Lee , Tae-gyoung Ahn , Jae-Hyun Kim , Se-hyeok Park
发明人： Jae-hyang Lee , Tae-gyoung Ahn , Jae-Hyun Kim , Se-hyeok Park
IPC分类号： H04N7/01 , H04N11/20 , H04N19/132 , H04N5/14 , G06T3/40 , H04N19/40 , H04N19/139
CPC分类号： G06T3/4092 , H04N5/145 , H04N19/132 , H04N19/139 , H04N19/40
摘要： A method of converting an image rate by using image scaling includes changing a resolution of an input original image sequence and generating a changed resolution image sequence; determining a first motion vector by estimating motion of a first image by using a plurality of images from the changed resolution image sequence; determining a second motion vector by modifying the first motion vector of the first image to correspond to a resolution of an original image of the original image sequence, where the original image corresponds to the first image; detecting characteristic information of the original image; determining a third motion vector corresponding to the resolution of the original image by compensating the second motion vector based on the detected characteristic information; and converting an image rate of the input original image sequence based on the detected characteristic information of the original image and the third motion vector.
摘要翻译：通过使用图像缩放来转换图像速率的方法包括改变输入原始图像序列的分辨率并生成改变的分辨率图像序列; 通过使用来自改变的分辨率图像序列的多个图像估计第一图像的运动来确定第一运动矢量; 通过修改第一图像的第一运动矢量来对应于原始图像的原始图像的分辨率来确定第二运动矢量，其中原始图像对应于第一图像; 检测原始图像的特征信息; 通过基于检测到的特征信息来补偿第二运动矢量来确定与原始图像的分辨率对应的第三运动矢量; 以及基于检测到的原始图像的特征信息和第三运动矢量来转换输入的原始图像序列的图像速率。

4. 发明授权

US09083919B2 Method and apparatus for enhancing chroma of input image 有权
标题翻译：用于增强输入图像色度的方法和装置
公开(公告)号：US09083919B2
公开(公告)日：2015-07-14
申请号：US13347887
申请日：2012-01-11
申请人： Youn-jin Kim , Young-shin Kwak , Se-hyeok Park , Soo-yeon Lee , Jae-hyun Kim
发明人： Youn-jin Kim , Young-shin Kwak , Se-hyeok Park , Soo-yeon Lee , Jae-hyun Kim
IPC分类号： G06K9/00 , H04N1/60
CPC分类号： H04N1/6005
摘要： A method and apparatus for enhancing chroma of an input image by performing chroma conversion on a chroma value of a chroma component of the input image and compensating for a variation in a brightness value of the input image, based on the chroma value on which the chroma conversion is performed.
摘要翻译：一种通过对输入图像的色度分量的色度值进行色度变换并补偿输入图像的亮度值的变化的方法和装置，其基于色度值进行转换。

5. 发明授权

US08682110B2 Method and apparatus for converting resolution of block based image 有权
标题翻译：用于转换基于块的图像分辨率的方法和装置
公开(公告)号：US08682110B2
公开(公告)日：2014-03-25
申请号：US13491114
申请日：2012-06-07
申请人： Gun-shik Shin , Se-hyeok Park , Jong-hyun Park , Chang-su Han
发明人： Gun-shik Shin , Se-hyeok Park , Jong-hyun Park , Chang-su Han
IPC分类号： G06K9/32
CPC分类号： H04N7/0117 , H04N7/0125 , H04N7/014
摘要： A method and apparatus for converting a resolution of a block-based image. The method includes: dividing a low resolution image frame into a plurality of blocks, each block having a predetermined size; performing motion prediction in a sub-pixel unit of each of the divided blocks and determining a motion vector in the sub-pixel unit; dividing the motion vector of the sub-pixel unit into a first motion vector having an integer pixel unit and a second motion vector having the sub-pixel unit; determining at least one low resolution reference block corresponding to each of the divided blocks by using the first motion vector having the integer pixel unit; converting each of the divided blocks into high resolution block by using the second motion vector having the sub-pixel unit and the one low resolution reference block; and generating a high resolution image frame by using each of the converted high resolution blocks.
摘要翻译：一种用于转换基于块的图像的分辨率的方法和装置。该方法包括：将低分辨率图像帧划分成多个块，每个块具有预定尺寸; 在每个分割块的子像素单元中执行运动预测，并确定子像素单元中的运动矢量; 将子像素单元的运动矢量划分为具有整数像素单位的第一运动矢量和具有子像素单位的第二运动矢量; 通过使用具有整数像素单位的第一运动矢量来确定与每个分割块相对应的至少一个低分辨率参考块; 通过使用具有子像素单元和一个低分辨率参考块的第二运动矢量将每个分割块转换成高分辨率块; 以及通过使用每个转换的高分辨率块来生成高分辨率图像帧。

6. 发明授权

US08953896B2 Method and apparatus for enhancing image quality using spatial modulation per band 有权
标题翻译：使用每频带空间调制增强图像质量的方法和装置
公开(公告)号：US08953896B2
公开(公告)日：2015-02-10
申请号：US13181824
申请日：2011-07-13
申请人： Hyun-seung Lee , Dong-hyun Kim , Se-hyeok Park , Jong-hyun Park , Gun-shik Shin , Youn-jin Kim
发明人： Hyun-seung Lee , Dong-hyun Kim , Se-hyeok Park , Jong-hyun Park , Gun-shik Shin , Youn-jin Kim
IPC分类号： G06K9/00 , H04N19/33
CPC分类号： H04N19/00436 , H04N19/33
摘要： A method and apparatus for enhancing and improving image quality are provided. The method includes separating an input image into at least one low frequency component and at least one high frequency component; modulating the low frequency components in a block unit by dithering; modulating the high frequency components by sampling; and combining the modulated low frequency components and the modulated high frequency components.
摘要翻译：提供了一种提高和提高图像质量的方法和装置。该方法包括将输入图像分离成至少一个低频分量和至少一个高频分量; 通过抖动调制块单元中的低频分量; 通过采样调制高频分量; 以及组合调制的低频分量和调制的高频分量。

7. 发明授权

US08929662B2 Method and apparatus for generating super-resolution image using prediction and stabilization of high-frequency information of image 有权
标题翻译：用于使用图像的高频信息的预测和稳定来生成超分辨率图像的方法和装置
公开(公告)号：US08929662B2
公开(公告)日：2015-01-06
申请号：US13524682
申请日：2012-06-15
申请人： Jong-hyun Park , Se-hyeok Park , Moon-gi Kang , Ji-yong Kwon , Du-sic Yoo , Seung-hoon Jee , Jae-hyun Kim
发明人： Jong-hyun Park , Se-hyeok Park , Moon-gi Kang , Ji-yong Kwon , Du-sic Yoo , Seung-hoon Jee , Jae-hyun Kim
IPC分类号： G06K9/48 , H04N5/232 , G06T3/40 , G06T5/50 , G06T5/00
CPC分类号： G06T3/4053 , G06T5/003 , G06T5/50 , G06T2207/10016 , H04N5/23267
摘要： Image restoration by restoring a high-frequency component of a deteriorated image. A high-frequency image information predicting and stabilizing method includes: determining a shooting area, which is a high-frequency area that includes an overly-restored high-frequency component, in an input image; predicting a high-frequency component of the input image by applying different deterioration models to the shooting area and a remaining area in the input image; and stabilizing a high-frequency component of an edge area by using an edge blur kernel determined to be parallel to an edge direction of the input image.
摘要翻译：通过恢复劣化图像的高频分量来恢复图像。高频图像信息预测和稳定方法包括：在输入图像中确定作为包括过度恢复的高频分量的高频区域的拍摄区域; 通过对拍摄区域应用不同的劣化模型和输入图像中的剩余区域来预测输入图像的高频分量; 以及通过使用被确定为平行于输入图像的边缘方向的边缘模糊核，来稳定边缘区域的高频分量。

8. 发明授权

US08644636B2 Method and apparatus for removing image blocking artifact by using transformation coefficient 有权
标题翻译：通过使用变换系数去除图像块伪影的方法和装置
公开(公告)号：US08644636B2
公开(公告)日：2014-02-04
申请号：US13343950
申请日：2012-01-05
申请人： Gun-shik Shin , Jong-beom Ra , Se-hyeok Park , Seok-bong Yoo , Jae-hyun Kim , Kyu-ha Choi
发明人： Gun-shik Shin , Jong-beom Ra , Se-hyeok Park , Seok-bong Yoo , Jae-hyun Kim , Kyu-ha Choi
IPC分类号： G06K9/40
CPC分类号： H04N19/86 , H04N19/48
摘要： A method and apparatus for removing an image blocking artifact by using a transformation coefficient are provided. The method includes: detecting a first blocking artifact which is in a flat region of the input image; removing the first blocking artifact using a number of low frequency coefficients from among transformation coefficients for each transformation block of a plurality of transformation blocks of the input image, based on a result of detecting the first blocking artifact; detecting an edge region of the input image; and removing a second blocking artifact, which is in an edge region of an intermediate image obtained from the removing of the first blocking artifact of the input image, based on the detected edge region in the input image.
摘要翻译：提供了一种通过使用变换系数去除图像块伪影的方法和装置。该方法包括：检测处于输入图像的平坦区域中的第一块伪影; 基于检测到第一块伪像的结果，从输入图像的多个变换块的每个变换块的变换系数中使用多个低频系数去除第一块伪像; 检测所述输入图像的边缘区域; 以及基于所检测的输入图像中的边缘区域，去除位于从去除输入图像的第一块伪像获得的中间图像的边缘区域中的第二块伪影。

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