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1.发明授权Method for locally adjusting a quantization step and coding device implementing said method 有权用于本地调整量化步骤的方法和实现所述方法的编码装置公开(公告)号：US08139881B2
公开(公告)日：2012-03-20
申请号：US11887714
申请日：2006-03-16
IPC分类号： G06K9/00
CPC分类号： H04N19/192 , H04N19/124 , H04N19/154 , H04N19/17 , H04N19/179 , H04N19/60
摘要： The invention relates to a method of locally adjusting a quantization step for each region of an image with respect to a setpoint quantization step. The method comprises the steps of: assigning, to said region of interest, a first quantization step, lower than or equal to said setpoint quantization step; determining a second quantization step higher than or equal to said setpoint quantization step and lower than or equal to a third quantization step such that the number of bits required by the region of interest is lower than the number of bits saved on the potential masking region; and assigning, when such a second quantization step exists, said second quantization step to said potential masking region, otherwise assigning said third quantization step to said potential masking region.
摘要翻译： 本发明涉及一种相对于设定点量化步骤对图像的每个区域进行局部调整量化步长的方法。 该方法包括以下步骤：向所述感兴趣区域分配低于或等于所述设定点量化步长的第一量化步长; 确定高于或等于所述设定点量化步长并低于或等于第三量化步长的第二量化步骤，使得所述感兴趣区域所需的位数低于保存在所述电位屏蔽区域上的位数; 以及当存在所述第二量化步骤时，将所述第二量化步骤分配给所述电位屏蔽区域，否则将所述第三量化步长分配给所述电位屏蔽区域。
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2.发明申请Method for Locally Adjusting a Quantization Step and Coding Device Implementing Said Method 有权本地调整量化步骤的方法和实现所述方法的编码装置公开(公告)号：US20090122862A1
公开(公告)日：2009-05-14
申请号：US11887714
申请日：2006-03-16
IPC分类号： H04N7/12
CPC分类号： H04N19/192 , H04N19/124 , H04N19/154 , H04N19/17 , H04N19/179 , H04N19/60
摘要： The invention relates to a method of locally adjusting a quantization step for each region of an image with respect to a setpoint quantization step. The method comprises the steps of: assigning, to said region of interest, a first quantization step, lower than or equal to said setpoint quantization step; determining a second quantization step higher than or equal to said setpoint quantization step and lower than or equal to a third quantization step such that the number of bits required by the region of interest is lower than the number of bits saved on the potential masking region; and assigning, when such a second quantization step exists, said second quantization step to said potential masking region, otherwise assigning said third quantization step to said potential masking region.
摘要翻译： 本发明涉及一种相对于设定点量化步骤对图像的每个区域进行局部调整量化步长的方法。 该方法包括以下步骤：向所述感兴趣区域分配低于或等于所述设定点量化步长的第一量化步长; 确定高于或等于所述设定点量化步长并低于或等于第三量化步长的第二量化步骤，使得所述感兴趣区域所需的位数低于保存在所述电位屏蔽区域上的位数; 以及当存在所述第二量化步骤时，将所述第二量化步骤分配给所述电位屏蔽区域，否则将所述第三量化步长分配给所述电位屏蔽区域。
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公开(公告)号：US20100232505A1
公开(公告)日：2010-09-16
申请号：US12223887
申请日：2007-02-15
IPC分类号： H04N7/34
CPC分类号： H04N19/105 , H04N19/11 , H04N19/137 , H04N19/176 , H04N19/523 , H04N19/593 , H04N19/61
摘要： The process implements an intra prediction mode which comprises: a step of motion estimation of a neighboring part of the current block, which is already coded, within the reconstructed part of the image, to get a correlated part, a step of defining a predicted block according to the correlated part and to the position of the current block regarding the neighboring part.
摘要翻译： 该过程实现帧内预测模式，其包括：在图像的重建部分内已经编码的当前块的相邻部分的运动估计步骤，以获得相关部分，定义预测块 根据相关部分和当前块关于相邻部分的位置。
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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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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：US08611698B2
公开(公告)日：2013-12-17
申请号：US12799946
申请日：2010-05-05
IPC分类号： G06K9/32 , G06K9/20 , G06K9/34 , G09G5/37 , G09G5/00 , H04N5/44 , H04N9/74 , H04N3/223 , H04N1/387 , H04N1/393
CPC分类号： G06T3/0012 , H04N1/3873
摘要： The invention relates to a method for reframing an image according to at least one predefined reframing method to obtain a reframed image for which the format ratio is equal to a target format ratio. The method comprises the following steps for: analyzing the image, selecting the predefined reframing method in a set of at least two reframing methods according to the result of the analysis step, and reframing said image using the selected reframing method. The invention also relates to a device for reframing an image.
摘要翻译： 本发明涉及一种根据至少一种预定义的重构方法来重构图像的方法，以获得格式比等于目标格式比的重构图像。 该方法包括以下步骤：分析图像，根据分析步骤的结果，选择一组至少两个重构方法中的预定义重构方法，并使用所选择的重构方法重构所述图像。 本发明还涉及用于重构图像的装置。
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9.发明授权公开(公告)号：US08537904B2
公开(公告)日：2013-09-17
申请号：US11630071
申请日：2005-06-22
IPC分类号： H04N7/12
CPC分类号： G06T5/30 , H04N19/117 , H04N19/14 , H04N19/182 , H04N19/85
摘要： The invention relates to a method of processing an image of a video image sequence, wherein it comprises the following successive steps: a step for computing a complexity value representative of the complexity of said image; a first step of morphological processing applied on said image, said first step generating a first processed image; a second step for mixing said image and said first processed image depending on said complexity value, said second step generating a mixed image; a third step of morphological processing applied on said mixed image, said third step generating a second processed image; and a fourth step for mixing said mixed image and said second processed image depending on said complexity value.
摘要翻译： 本发明涉及一种处理视频图像序列的图像的方法，其中它包括以下连续步骤：计算表示所述图像的复杂度的复杂度值的步骤; 对所述图像应用的形态处理的第一步骤，所述第一步骤生成第一处理图像; 第二步骤，用于根据所述复杂度值混合所述图像和所述第一处理图像，所述第二步骤产生混合图像; 在所述混合图像上应用形态处理的第三步骤，所述第三步骤产生第二处理图像; 以及第四步骤，用于根据所述复杂度值混合所述混合图像和所述第二处理图像。
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公开(公告)号：US08374492B2
公开(公告)日：2013-02-12
申请号：US12316002
申请日：2009-02-04
IPC分类号： H04N5/93
CPC分类号： G11B27/28 , G06K9/00711 , G06K9/6293
摘要： The invention relates to a method for determining the salience map of an audio video document. The method comprises the steps for: calculating a salience map in relation to the video part of said document, determining at least one audio descriptor representing said document, weighting the video salience map as a function of the variation of said audio descriptor.
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