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11. 发明授权

US08620087B2 Feature selection device 有权
标题翻译：特征选择装置
公开(公告)号：US08620087B2
公开(公告)日：2013-12-31
申请号：US13056767
申请日：2010-01-19
申请人： Kota Iwamoto , Ryoma Oami
发明人： Kota Iwamoto , Ryoma Oami
IPC分类号： G06K9/46 , G06K9/62
CPC分类号： G06K9/623
摘要： The feature selection device includes a feature extraction unit that extracts M types of features from each of a plurality of original images and each of a plurality of altered images obtained by applying an alteration process to the plurality of original images; and a feature selection unit that handles an original image and an altered image of the original image as identical images and handles altered images of the same original image as identical images, while handles other images as different images, and with use of discrimination capability which is a degree of discriminating different images and robustness which is a degree that a value of a feature does not vary due to the alteration process applied to an image as evaluation criteria, evaluates the M types of features extracted from the respective images, and selects a collection of N types of features, the N types being smaller in number than that of the M types, from the M types of features as features for discriminating images.
摘要翻译：特征选择装置包括特征提取单元，其从多个原始图像中的每一个提取M种特征，并且通过对多个原始图像应用改变处理而获得的多个改变图像中的每一个; 以及特征选择单元，其处理原始图像和原始图像的改变图像作为相同图像，并处理与相同图像相同的原始图像的改变图像，同时处理其他图像作为不同图像，并且使用区分能力识别不同图像和鲁棒性的程度，其特征的值由于应用于图像的改变过程而不会改变作为评估标准，评估从各个图像提取的M种类型的特征，并且选择集合的N种特征，N类型的数量比M类型的数量少，从M种类型的特征作为区分图像的特征。

12. 发明申请

US20110274355A1 VIDEO DESCRIPTOR GENERATION DEVICE 有权
标题翻译：视频描述符生成装置
公开(公告)号：US20110274355A1
公开(公告)日：2011-11-10
申请号：US13144758
申请日：2010-01-20
申请人： Ryoma Oami , Kota Iwamoto
发明人： Ryoma Oami , Kota Iwamoto
IPC分类号： G06K9/46
CPC分类号： G06F17/30781 , G06F17/30256 , G06F17/30799 , G06F17/30825 , G06K9/00744 , G06K9/4642 , G06K9/50
摘要： The video descriptor generation device includes a first extraction unit, a second extraction unit, and a feature combining unit. The first extraction unit extracts a first feature for each picture which is a frame or a field of a video. The second extraction unit extracts a second feature from a region defined by an edge of an image included in the video. The feature combining unit combines the first feature and the second feature to generate a video descriptor.
摘要翻译：视频描述符生成装置包括第一提取单元，第二提取单元和特征组合单元。第一提取单元提取作为视频的帧或场的每个图像的第一特征。第二提取单元从由视频中包括的图像的边缘定义的区域中提取第二特征。特征组合单元组合第一特征和第二特征以生成视频描述符。

13. 发明申请

US20110158538A1 IMAGE FEATURE EXTRACTION DEVICE 有权
标题翻译：图像特征提取装置
公开(公告)号：US20110158538A1
公开(公告)日：2011-06-30
申请号：US13061027
申请日：2009-07-14
申请人： Kota Iwamoto , Ryoma Oami
发明人： Kota Iwamoto , Ryoma Oami
IPC分类号： G06K9/46
CPC分类号： G06K9/38 , G06F17/30256 , G06T1/0028 , G06T2201/0051 , G06T2201/0061 , G06T2201/0201
摘要： This image feature extraction device extracts, from an image, an image feature that makes it possible to adjust the balance between identification capability and robustness, which are the scales of the capability of determining identity of images. This image feature extraction device executes hierarchical quantization to calculate quantization indexes of a plurality of hierarchies in accordance with a previously defined hierarchical quantization method for each quantization target region of an image, and outputs a hierarchical quantization index code, which is an encoding allowing unique specification of the quantization indexes of the respective hierarchies of each quantization target region.
摘要翻译：该图像特征提取装置从图像中提取图像特征，使得可以调整识别能力和鲁棒性之间的平衡，这是确定图像身份的能力的尺度。该图像特征提取装置执行分层量化以根据对于图像的每个量化目标区域的先前定义的分层量化方法来计算多个层次的量化索引，并且输出作为允许唯一规范的编码的分层量化索引代码的量化对象区域的各层次的量化索引。

14. 发明申请

US20120027309A1 IMAGE SIGNATURE EXTRACTION DEVICE 有权
标题翻译：图像签名提取装置
公开(公告)号：US20120027309A1
公开(公告)日：2012-02-02
申请号：US13263266
申请日：2010-04-12
申请人： Ryoma Oami , Kota Iwamoto
发明人： Ryoma Oami , Kota Iwamoto
IPC分类号： G06K9/46
CPC分类号： G06K9/38 , G06K9/4642 , G06K9/50
摘要： The image signature extraction device includes an extraction unit and a generation unit. The extraction unit extracts region features from respective sub-regions in an image in accordance with a plurality of pairs of sub-regions in the image, the pairs of sub-regions including at least one pair of sub-regions in which both a combination of shapes of two sub-regions of the pair and a relative position between the two sub-regions of the pair differ from those of at least one of other pairs of sub-regions, and being classified into a plurality of types based on a combination of shapes of two sub-regions and a relative position between the two sub-regions of each of the pairs. The generation unit generates an image signature to be used for identifying the image based on the extracted region features of the respective sub-regions.
摘要翻译：图像签名提取装置包括提取单元和生成单元。提取单元根据图像中的多个子区域从图像中的各个子区域提取区域特征，该子区域对包括至少一对子区域，其中两个子区域的组合该对的两个子区域的形状和该对的两个子区域之间的相对位置与其他对子区域中的至少一个子区域的相对位置不同，并且被分类为多种类型，基于两个子区域的形状和每个对的两个子区域之间的相对位置。生成单元基于各个子区域的提取的区域特征生成用于识别图像的图像签名。

15. 发明申请

US20110285904A1 VIDEO SIGNATURE GENERATION DEVICE 审中-公开
标题翻译：视频签名生成设备
公开(公告)号：US20110285904A1
公开(公告)日：2011-11-24
申请号：US13145076
申请日：2010-01-20
申请人： Ryoma Oami , Kota Iwamoto
发明人： Ryoma Oami , Kota Iwamoto
IPC分类号： H04N7/025
CPC分类号： G06K9/00758 , G06F16/70 , G06K9/00744 , H04N5/76
摘要： The video signature generation device includes a visual feature extraction unit that extracts a visual feature to be used for identifying a video based on features of a plurality of pairs of sub-regions in the video; and a confidence value calculation unit that calculates a confidence value of the visual feature, in which if the video is a particular video, the confidence value calculation unit calculates a confidence value having a smaller value compared with the case of a video other than the particular video.
摘要翻译：视频签名生成装置包括：视觉特征提取部，其基于视频中的多个子区域的特征提取要用于识别视频的视觉特征; 以及置信值计算单元，其计算所述视觉特征的置信度值，其中，如果所述视频是特定视频，则所述置信度值计算单元计算与特定视频以外的视频的情况相比具有较小值的置信度值视频。

16. 发明申请

US20110274317A1 MATCHING WEIGHT INFORMATION EXTRACTION DEVICE 有权
标题翻译：匹配重量信息提取装置
公开(公告)号：US20110274317A1
公开(公告)日：2011-11-10
申请号：US13144131
申请日：2010-01-20
申请人： Ryoma Oami , Kota Iwamoto
发明人： Ryoma Oami , Kota Iwamoto
IPC分类号： G06K9/00
CPC分类号： G06F17/30256 , G06F17/30781 , G06K9/00744 , G06K9/00758 , H04N5/144
摘要： The matching weight information extraction device includes a matching weight information extraction unit. The matching weight information extraction unit analyzes a change in a time direction of at least either an input video or features of a plurality of dimensions extracted from the video, in association with the dimensions. Further, the matching weight information extraction unit calculates weight information to be used for matching for each of the dimensions as matching weight information, according to a degree of the change in the time direction.
摘要翻译：匹配权重信息提取装置包括匹配权重信息提取单元。匹配权重信息提取单元根据尺寸分析从视频中提取的输入视频或多个维度的特征中的至少一个的时间方向的变化。此外，匹配权重信息提取单元根据时间方向的变化程度，计算用于每个尺寸的匹配的权重信息作为匹配权重信息。

17. 发明授权

US08873799B2 Matching weight information extraction device 有权
标题翻译：匹配权重信息提取装置
公开(公告)号：US08873799B2
公开(公告)日：2014-10-28
申请号：US13144131
申请日：2010-01-20
申请人： Ryoma Oami , Kota Iwamoto
发明人： Ryoma Oami , Kota Iwamoto
IPC分类号： G06K9/00 , H04N5/14 , G06F17/30
CPC分类号： G06F17/30256 , G06F17/30781 , G06K9/00744 , G06K9/00758 , H04N5/144
摘要： The matching weight information extraction device includes a matching weight information extraction unit. The matching weight information extraction unit analyzes a change in a time direction of at least either an input video or features of a plurality of dimensions extracted from the video, in association with the dimensions. Further, the matching weight information extraction unit calculates weight information to be used for matching for each of the dimensions as matching weight information, according to a degree of the change in the time direction.
摘要翻译：匹配权重信息提取装置包括匹配权重信息提取单元。匹配权重信息提取单元根据尺寸分析从视频中提取的输入视频或多个维度的特征中的至少一个的时间方向的变化。此外，匹配权重信息提取单元根据时间方向的变化程度，计算用于每个尺寸的匹配的权重信息作为匹配权重信息。

18. 发明授权

US08768064B2 Image feature extraction device 有权
标题翻译：图像特征提取装置
公开(公告)号：US08768064B2
公开(公告)日：2014-07-01
申请号：US13061027
申请日：2009-07-14
申请人： Kota Iwamoto , Ryoma Oami
发明人： Kota Iwamoto , Ryoma Oami
IPC分类号： G06K9/46
CPC分类号： G06K9/38 , G06F17/30256 , G06T1/0028 , G06T2201/0051 , G06T2201/0061 , G06T2201/0201
摘要： This image feature extraction device extracts, from an image, an image feature that makes it possible to adjust the balance between identification capability and robustness, which are the scales of the capability of determining identity of images. This image feature extraction device executes hierarchical quantization to calculate quantization indexes of a plurality of hierarchies in accordance with a previously defined hierarchical quantization method for each quantization target region of an image, and outputs a hierarchical quantization index code, which is an encoding allowing unique specification of the quantization indexes of the respective hierarchies of each quantization target region.
摘要翻译：该图像特征提取装置从图像中提取图像特征，使得可以调整识别能力和鲁棒性之间的平衡，这是确定图像身份的能力的尺度。该图像特征提取装置执行分层量化以根据对于图像的每个量化目标区域的先前定义的分层量化方法来计算多个层次的量化索引，并且输出作为允许唯一规范的编码的分层量化索引代码的量化对象区域的各层次的量化索引。

19. 发明授权

US08744193B2 Image signature extraction device 有权
标题翻译：图像签名提取装置
公开(公告)号：US08744193B2
公开(公告)日：2014-06-03
申请号：US13256088
申请日：2010-03-12
申请人： Kota Iwamoto , Ryoma Oami
发明人： Kota Iwamoto , Ryoma Oami
IPC分类号： G06K9/46 , G06K9/68 , G06K9/00
CPC分类号： G06K9/38 , G06K9/4642 , G06K9/50
摘要： The image signature extraction device includes an extraction unit and a generation unit. The extraction unit extracts region features from respective sub-regions in an image in accordance with a plurality of pairs of sub-regions in the image, the pairs of sub-regions including at least one pair of sub-regions in which both a combination of shapes of two sub-regions of the pair and relative position between the two sub-regions of the pair differ from those of at least one of other pairs of sub-regions. The generation unit generates an image signature to be used for identifying the image based on the extracted region features of the respective sub-regions, using, for at least one pair of sub-regions, a method different from that used for another pair of sub-regions.
摘要翻译：图像签名提取装置包括提取单元和生成单元。提取单元根据图像中的多个子区域从图像中的各个子区域提取区域特征，该子区域对包括至少一对子区域，其中两个子区域的组合该对的两个子区域的形状和该对的两个子区域之间的相对位置与其他对子区域中的至少一个不同。生成单元基于所提取的各个子区域的区域特征生成用于识别图像的图像签名，对于至少一对子区域，使用与用于另一对子区域的方法不同的方法区域。

20. 发明授权

US08478050B2 Video signature generation device and method, video signature matching device and method, and program 有权
标题翻译：视频签名生成装置和方法，视频签名匹配装置和方法以及程序
公开(公告)号：US08478050B2
公开(公告)日：2013-07-02
申请号：US12691073
申请日：2010-01-21
申请人： Ryoma Oami , Kota Iwamoto
发明人： Ryoma Oami , Kota Iwamoto
IPC分类号： G06K9/56
CPC分类号： G06K9/629
摘要： A problem of degradation in the accuracy of video matching, which is caused when videos contain video patterns commonly appearing in various videos or video patterns in which features cannot be acquired stably, is solved. In order to solve this problem, a visual feature extraction unit extracts a visual feature to be used for identification of a video based on features of a plurality of pairs of sub-regions in the video, and a confidence value calculation unit calculates a confidence value of the visual feature based on the features of the plurality of pairs of sub-regions. When matching is performed, visual features are compared with each other in consideration of the confidence value.
摘要翻译：解决了当视频包含通常出现在各种视频中的视频图形或其中不能稳定地获取特征的视频图案时导致的视频匹配精度降低的问题。为了解决这个问题，视觉特征提取单元基于视频中多个子区域的特征提取用于识别视频的视觉特征，置信度计算单元计算置信度值基于多对子区域的特征的视觉特征。当执行匹配时，考虑到置信度值将视觉特征相互比较。

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