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公开(公告)号：US08416992B2
公开(公告)日：2013-04-09
申请号：US11795001
申请日：2006-01-10
IPC分类号： G06K9/00
CPC分类号： G06K9/4671 , G06K9/4623 , G06K9/4652 , G06K9/629 , G06T7/262
摘要： Detection of the salient points in an image enable the improvement of further steps such as coding or image indexing, watermarking, video quality estimation. The methods rely on the fact that a model is fully based on the human visual system (HVS) such as the computation of early visual features, and the methods compute a saliency map for video images taking into account motion and the velocity of the eye.
摘要翻译： 检测图像中的突出点使得能够改进进一步的步骤，例如编码或图像索引，水印，视频质量估计。 该方法依赖于一个模型完全基于人类视觉系统（HVS），例如早期视觉特征的计算，并且该方法计算视频图像的显着图，考虑运动和眼睛的速度。
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公开(公告)号：US20080304708A1
公开(公告)日：2008-12-11
申请号：US11795001
申请日：2006-01-10
IPC分类号： G06K9/36
CPC分类号： G06K9/4671 , G06K9/4623 , G06K9/4652 , G06K9/629 , G06T7/262
摘要： The invention concerns a method for creating a saliency map of an image. It comprises the steps of an image comprising the step of hierarchical decomposition of the image into frequential sub-bands, According to the invention, the method comprises the steps ofi. movement estimation between the current image and a preceding image calculated from the decomposition into frequential sub-bands, estimating a dominant movement for the image and a local movement for each pixel of the current image,ii. creation of a temporal saliency map obtained from the global and local movement estimation.
摘要翻译： 本发明涉及一种用于创建图像的显着图的方法。 它包括图像的步骤，该图像包括将图像分层分解为频率子带的步骤。根据本发明，该方法包括以下步骤： ii。当前图像与从分解成频谱子带计算出的前一图像之间的运动估计，估计图像的主要移动和当前图像的每个像素的局部移动。 创建从全局和局部运动估计获得的时间显着图。
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公开(公告)号：US20070116361A1
公开(公告)日：2007-05-24
申请号：US10583673
申请日：2004-12-14
IPC分类号： G06K9/00
CPC分类号： G06K9/4623 , G06K9/4652 , G06K9/4671 , G06T5/003 , G06T7/262 , G06T2207/10024
摘要： The invention concerns a device and a method for creating a saliency map of an image. It comprises the steps of: Projection of said image according to the luminance component and if said image is a color image, according to the luminance component and according to the chrominance components, Perceptual sub-bands decomposition of said components according to the visibility threshold of a human eye, Extraction of the salient elements of the sub-bands related to the luminance component, Contour enhancement of said salient elements in each sub-band related to the luminance component, Calculation of a saliency map from the contour enhancement, for each sub-band related to the luminance component. Creation of the saliency map as a function of the saliency maps obtained for each sub-band.
摘要翻译： 本发明涉及用于创建图像的显着图的装置和方法。 它包括以下步骤：根据亮度分量投影所述图像，如果所述图像是彩色图像，则根据亮度分量并根据色度分量，根据可见度阈值对所述分量的感知子带分解 人眼，与亮度分量相关的子带的突出元素的提取，与亮度分量相关的每个子带中的所述突出元素的轮廓增强，从轮廓增强计算显着图，对于每个子 与亮度分量相关的带。 创建显着性图作为每个子带获得的显着性图的函数。
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公开(公告)号：US07853076B2
公开(公告)日：2010-12-14
申请号：US10583673
申请日：2004-12-14
IPC分类号： G06K9/00
CPC分类号： G06K9/4623 , G06K9/4652 , G06K9/4671 , G06T5/003 , G06T7/262 , G06T2207/10024
摘要： The invention concerns a device and a method for creating a saliency map of an image. It comprises the steps of: Projection of said image according to the luminance component and if said image is a color image, according to the luminance component and according to the chrominance components, Perceptual sub-bands decomposition of said components according to the visibility threshold of a human eye, Extraction of the salient elements of the sub-bands related to the luminance component, Contour enhancement of said salient elements in each sub-band related to the luminance component, Calculation of a saliency map from the contour enhancement, for each sub-band related to the luminance component. Creation of the saliency map as a function of the saliency maps obtained for each sub-band.
摘要翻译： 本发明涉及用于创建图像的显着图的装置和方法。 它包括以下步骤：根据亮度分量投影所述图像，如果所述图像是彩色图像，则根据亮度分量并根据色度分量，根据可见度阈值对所述分量的感知子带分解 人眼，与亮度分量相关的子带的突出元素的提取，与亮度分量相关的每个子带中的所述突出元素的轮廓增强，从轮廓增强计算显着图，对于每个子 与亮度分量相关的带。 创建显着性图作为每个子带获得的显着性图的函数。
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5.发明申请Method of Obtaining a Saliency Map From a Plurality Of Saliency Maps Created From Visual Quantities 有权从视觉数量创建的多个显着性图中获取显着图的方法公开(公告)号：US20090110269A1
公开(公告)日：2009-04-30
申请号：US11988262
申请日：2006-07-05
CPC分类号： G06K9/4671 , G06K9/4623 , G06K9/629 , G06T5/50
摘要： The invention relates to a method of obtaining a saliency map from a plurality of saliency maps created from different visual quantities, comprising - a step for normalizing said saliency maps based on the theoretical maximum of each visual quantity, -an intra-map competition step selecting the main saliency areas in each saliency map, -an inter-map competition step based on the sum of the intra-map competitions with an inter-map redundancy term that is a function of the product of the intra-map competitions and of the probability of a site appearing on said saliency maps.
摘要翻译： 本发明涉及一种从不同视觉量产生的多个显着性图中获得显着图的方法，包括： - 根据每个视觉量的理论最大值对所述显着图进行归一化的步骤， - 在地图内竞争步骤选择 每个显着性图中的主要显着区域， - 基于地图内竞争的总和与映射内冗余项之间的地图间竞赛步骤，该地图间冗余项是地图内竞赛的乘积和概率的函数 显示在所述显着图上的网站。
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公开(公告)号：US08094945B2
公开(公告)日：2012-01-10
申请号：US11920457
申请日：2006-05-05
IPC分类号： G06K9/48
CPC分类号： G06T7/0002 , G06K9/036 , G06T7/13 , G06T2207/30168
摘要： The invention is a method for assessing image quality value of a distorted image with respect to a reference image. The method comprises the following steps: computing, for each pixel of the distorted image, at least one quality level with respect to the reference image; adding, for the distorted image, the quality levels associated to each pixel by weighting them by a weight depending on a perceptual interest of the pixel in order to get the image quality value, the weight being lower for a pixel of high perceptual interest.
摘要翻译： 本发明是用于评估相对于参考图像的失真图像的图像质量值的方法。 该方法包括以下步骤：针对失真图像的每个像素计算相对于参考图像的至少一个质量水平; 通过对于每个像素相关联的质量水平，通过加权取决于像素的感知兴趣以获得图像质量值，对于失真的图像，对于高感知兴趣的像素，权重更低。
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7.发明申请公开(公告)号：US20090274390A1
公开(公告)日：2009-11-05
申请号：US12386900
申请日：2009-04-24
IPC分类号： G06K9/40
CPC分类号： H04N17/00 , G06T7/0002 , G06T2207/10016 , G06T2207/30168 , H04N17/004 , H04N19/89
摘要： The invention is related to a method for video quality assessment.Said method comprises the steps of determining a last spatial distortion by comparing a block of a last frame (I6) of the sequence with a corresponding block of the distorted version of the last frame, determining, in a last-but-one frame, a best-matching block matching said block of the last frame best, determining a last-but-one spatial distortion by comparing the determined best-matching block of the last-but-one frame with a corresponding block of the distorted version of the last-but-one frame, determining a spatio-temporal perceptual distortion value associated with said block using said determined distortions and using the determined spatio-temporal perceptual distortion value for assessing the quality.The spatial distortion's temporal evolution improves video quality assessment.
摘要翻译： 本发明涉及一种用于视频质量评估的方法。 所述方法包括以下步骤：通过将序列的最后一帧（I6）的块与最后帧的失真版本的对应块进行比较来确定最后的空间失真，在最后一帧中确定 最佳匹配块匹配最后一帧的所述块最佳，通过将所确定的最后一帧的最佳匹配块与最后一帧的失真版本的对应块进行比较来确定最后一个空间失真， 使用所述确定的失真来确定与所述块相关联的时空感知失真值，并且使用所确定的时空感知失真值来评估质量。 空间变形的时间演进改进了视频质量评估。
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8.发明授权公开(公告)号：US08824830B2
公开(公告)日：2014-09-02
申请号：US12386900
申请日：2009-04-24
CPC分类号： H04N17/00 , G06T7/0002 , G06T2207/10016 , G06T2207/30168 , H04N17/004 , H04N19/89
摘要： A method for assessing the quality of a distorted version of a frame sequence includes the steps of determining a last spatial distortion by comparing a block of a last frame (I6) of the sequence with a corresponding block of the distorted version of the last frame, determining, in a last-but-one frame, a best-matching block matching said block of the last frame best, determining a last-but-one spatial distortion by comparing the determined best-matching block of the last-but-one frame with a corresponding block of the distorted version of the last-but-one frame, determining a spatio-temporal perceptual distortion value associated with said block using said determined distortions and using the determined spatio-temporal perceptual distortion value for assessing the quality.
摘要翻译： 用于评估帧序列的失真版本的质量的方法包括以下步骤：通过将序列的最后帧（I6）的块与最后帧的失真版本的对应块进行比较来确定最后的空间失真， 在最后一帧中确定与最后一帧的所述块匹配的最佳匹配块，通过比较所确定的最后一帧的最佳匹配块来确定最后一个空间失真 具有最后一帧的失真版本的对应块，使用所确定的失真来确定与所述块相关联的时空感知失真值，并使用所确定的时空感知失真值来评估质量。
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9.发明授权Method of obtaining a saliency map from a plurality of saliency maps created from visual quantities 有权从视觉量产生的多个显着图中获取显着图的方法公开(公告)号：US08326026B2
公开(公告)日：2012-12-04
申请号：US11988262
申请日：2006-07-05
IPC分类号： G06K9/00
CPC分类号： G06K9/4671 , G06K9/4623 , G06K9/629 , G06T5/50
摘要： A method of obtaining a saliency map from a plurality of saliency maps created from different visual quantities. Initially the saliency maps are normalized based on a theoretical maximum of each visual quantity. An intra-competition step selects the main saliency areas in each saliency map. An inter-competition step is then performed based on a sum of the intra-map competition with an inter-map redundancy term that is a function of the product of the intra-map competitions and of the probability of a site appearing on the saliency maps.
摘要翻译： 从从不同视觉量产生的多个显着图中获得显着图的方法。 最初，显着性图根据每个视觉量的理论最大值进行归一化。 竞赛前阶段选择每个显着图中的主要显着区域。 然后，基于地图间竞争与地图间冗余项的和来执行相互竞争的步骤，该地图间冗余项是地图内竞赛的乘积的乘积和在显着图上出现的站点的概率的函数 。
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公开(公告)号：US20100284624A1
公开(公告)日：2010-11-11
申请号：US12735310
申请日：2008-12-19
IPC分类号： G06K9/62
CPC分类号： G06T7/001 , G06T2207/20064 , G06T2207/30108 , G06T2207/30168
摘要： A method for assessing image quality between a reference image and an impaired image is disclosed. The method comprises the steps of: subband decomposition of the luminance component of the reference image into N subbands, called reference subbands and of the luminance component of the impaired image into N subbands, called impaired subbands; errors computation from the reference subbands and from the impaired subbands; and pooling the computed the errors. According to the invention, the subband decomposition is based on a wavelet transform adapted to decompose each of the luminance components into L levels of decomposition, with L a positive integer determined as a function of the image height and of the distance of visualization.
摘要翻译： 公开了一种用于评估参考图像和受损图像之间的图像质量的方法。 该方法包括以下步骤：将参考图像的亮度分量分解为N个子带，被称为参考子带，并将受损图像的亮度分量分解为N个子带，称为受损子带; 来自参考子带和受损子带的误差计算; 并汇集计算出的错误。 根据本发明，子带分解基于适于将每个亮度分量分解为L个分解水平的小波变换，其中L是作为图像高度和可视化距离的函数确定的正整数。
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