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1. 发明授权

US11222393B2 Information processing apparatus, computer-readable recording medium recording image conversion program, and image conversion method 有权
公开(公告)号：US11222393B2
公开(公告)日：2022-01-11
申请号：US16693443
申请日：2019-11-25
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Yasuyuki Murata
IPC分类号： G06T7/11 , G06T7/50 , G06T7/194 , G06T1/20 , H04N19/182 , H04N19/176 , G06T15/00 , H04N19/86 , H04N19/436 , G06T1/60
摘要： An information processing apparatus includes: a memory; and a processor coupled to the memory and configured to: partition pixel values in a unit of row of an input image into a plurality of sections and allocates threads to the respective sections of the row, the threads being enabled to run in parallel by a processor; calculate, with each of the threads allocated in each row, distances each from a pixel having a certain value in the corresponding section of the row in the input image, and generates a first distance image which stores values indicating the distances; and calculate, with each of the threads allocated in each row, a first boundary value indicating a distance from a pixel having the certain value in another section of each row, by using a calculation result of the first boundary value in the another section of each row.

2. 发明授权

US11436431B2 Analysis apparatus, non-transitory computer-readable storage medium for analysis program, and analysis method 有权
公开(公告)号：US11436431B2
公开(公告)日：2022-09-06
申请号：US17037798
申请日：2020-09-30
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Takanori Nakao , Yasuyuki Murata
IPC分类号： G06K9/62 , G06N3/08
摘要： A method includes: generating a refine image having a maximized correct label score of inference from an incorrect image by which an incorrect label is inferred by a neural network; generating a third map by superimposing a first map and a second map, the first map indicating pixels to each of which a change is made in generating the refine image, of plural pixels of the incorrect image, the second map indicating a degree of attention for each local region in the refine image, the each local region being a region that has drawn attention at the time of inference by the neural network, and the third map indicating a degree of importance for each pixel for inferring a correct label; and specifying an image section based on a pixel value of the third map, the image section corresponding to a region causing incorrect inference in the incorrect image.

3. 发明授权

US10480934B2 Effective search for a silhouette cone to reconstruct a three dimensional shape of an object 有权
公开(公告)号：US10480934B2
公开(公告)日：2019-11-19
申请号：US16210025
申请日：2018-12-05
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Yasuyuki Murata , Masahiko Toichi
IPC分类号： G01B11/03 , G06T15/20 , G06T1/20 , G06T7/521
摘要： An apparatus sequentially acquires, from a plurality of reference imaging devices for imaging a silhouette imaged with a base imaging device from viewpoints different from a viewpoint of the base imaging device, silhouette existing position information based on the reference imaging devices, and transforms the silhouette existing position information into a common coordinate system, where the silhouette existing position information indicates an existing position of the silhouette. The apparatus detects a silhouette absence range in which the silhouette does not exist, based on a result of comparison of the silhouette existing position information acquired this time and the silhouette existing position information acquired last time, and searches a range in which the silhouette exists, based on the silhouette absence range.

4. 发明授权

US10341683B1 Apparatus and method to reduce an amount of coordinate data representing an object taken by an imaging device in a three dimensional space 有权
公开(公告)号：US10341683B1
公开(公告)日：2019-07-02
申请号：US16182663
申请日：2018-11-07
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Yasuyuki Murata
IPC分类号： H04N19/597 , H04N13/111 , G06T7/55
摘要： An apparatus obtains a second straight-line by mapping a first straight-line passing a projection center of a target-image taken by a first imaging-device in a three-dimensional space and a point representing an object in a projection-plane of the first imaging-device, onto each of reference-images respectively taken by second imaging-devices, and generates a line-segment representing an existing-range of the object on the second straight-line for each reference-image. The apparatus stores the coordinate-value of the second-endpoint and a difference between coordinate-values of the first-endpoint and a second-endpoint of the line-segment in a memory. The apparatus restores the coordinate-value of the first-endpoint from the coordinate-value of the second-endpoint and the difference stored in the memory, maps the coordinate-values of the endpoints, onto a depth-direction line of the projection plane of the first imaging-device, and determines overlap of the line-segments on the depth-direction line, based on the mapped coordinate-values.

5. 发明授权

US09319688B2 Moving image encoding apparatus 有权
标题翻译：运动图像编码装置
公开(公告)号：US09319688B2
公开(公告)日：2016-04-19
申请号：US14156078
申请日：2014-01-15
申请人： FUJITSU LIMITED
发明人： Xuying Lei , Hidenobu Miyoshi , Satoshi Shimada , Tomonori Kubota
IPC分类号： H04N7/12 , H04N19/117 , H04N19/159 , H04N19/176
CPC分类号： H04N19/117 , H04N19/159 , H04N19/176
摘要： A moving image encoding apparatus configured to use an image one frame before a target image for encoding to calculate a filtering coefficient for each intra prediction mode of a decoded image from the decoded image and the original image, extracts a filtering coefficient to perform a filtering process to a reference pixel for intra prediction mode determination of a peripheral block of the target block for encoding according to the intra prediction mode of the peripheral block and to generate a reference image for intra prediction mode determination, uses the reference image for intra prediction mode determination to select an intra prediction mode for the target block for encoding, and generates an intra prediction image of the target block for encoding.
摘要翻译：一种运动图像编码装置，被配置为在编码用的目标图像之前一帧使用图像，从解码图像和原始图像计算解码图像的每个帧内预测模式的滤波系数，提取滤波系数以执行滤波处理根据周边块的帧内预测模式对用于编码的目标块的外围块进行帧内预测模式确定的基准像素，并生成用于帧内预测模式确定的参考图像，使用参考图像进行帧内预测模式判定选择用于编码的目标块的帧内预测模式，并生成用于编码的目标块的帧内预测图像。

6. 发明授权

US11341361B2 Analysis apparatus, storage medium storing analysis program, and analysis method 有权
公开(公告)号：US11341361B2
公开(公告)日：2022-05-24
申请号：US17063742
申请日：2020-10-06
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Takanori Nakao , Yasuyuki Murata
IPC分类号： G06K9/62 , G06N3/08
摘要： An analysis method executed by a computer includes acquiring a refine image that maximizes a score for inferring a correct label by an inferring process using a trained model, the refine image being generated from an input image used when an incorrect label is inferred; generating a map indicating a region of pixels having the same or similar level of attention degree related to inference in the inferring process, of a plurality of pixels in the generated refine image, based on a feature amount used in the inferring process; extracting an image corresponding to a pixel region whose level in the generated map is a predetermined level, from calculated images calculated based on the input image and the refine image; and generating an output image that specifies a portion related to an inference error in the inferring process, among the calculated images, based on image processing on the extracted image.

7. 发明授权

US10750186B2 Information processing apparatus and information processing method for coding 有权
公开(公告)号：US10750186B2
公开(公告)日：2020-08-18
申请号：US15366153
申请日：2016-12-01
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Yasuyuki Murata
IPC分类号： H04N11/02 , H04N19/14 , H04N19/103 , H04N19/154 , H04N19/124 , H04N19/182 , H04N19/186
摘要： An information processing apparatus includes a processor. the processor determines a sign of a first value on a basis of a result of an operation of a sum of products of a plurality of color-difference residuals and a plurality of luminance residuals, and calculates the first value on a basis of a first product of a sum of luminance residuals that are negative values among the plurality of luminance residuals and a constant when the sign of the first value is determined to be positive, and calculates the first value on a basis of a second product of a sum of luminance residuals that are positive values among the plurality of luminance residuals and the constant when the sign of the first value is determined to be negative.

8. 发明授权

US11580645B2 Image processing apparatus, image processing method, and storage medium 有权
公开(公告)号：US11580645B2
公开(公告)日：2023-02-14
申请号：US17099844
申请日：2020-11-17
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota
IPC分类号： G06T7/11 , G06N3/08 , G06V10/764 , G06V10/82
摘要： An image processing apparatus, includes a memory; and a processor coupled to the memory and configured to: generate a trained machine learning model by learning a machine learning model using a first set of image data, output an inference result by inputting a second set of image data to the trained machine learning model, and process a region of interest at a time of inference with respect to image data for which an inference result is correct in the second set of image data.

9. 发明授权

US11507788B2 Non-transitory computer-readable storage medium for storing analysis program, analysis apparatus, and analysis method 有权
公开(公告)号：US11507788B2
公开(公告)日：2022-11-22
申请号：US16856082
申请日：2020-04-23
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Yasuyuki Murata , Yukihiko Hirayanagi
IPC分类号： G06K9/62 , G06V10/25 , G06V10/40
摘要： An analysis method implemented by a computer includes: generating a refine image by changing an incorrect inference image such that a correct label score of inference is maximized, the incorrect inference image being an input image when an incorrect label is inferred in an image recognition process; and narrowing, based on a score of a label, a predetermined region to specify an image section that causes incorrect inference, the score of the label being inferred by inputting to an inferring process an image obtained by replacing the predetermined region in the incorrect inference image with the refine image.

10. 发明授权

US11361226B2 Analysis apparatus, non-transitory computer-readable storage medium for storing analysis program, and analysis method 有权
公开(公告)号：US11361226B2
公开(公告)日：2022-06-14
申请号：US17022163
申请日：2020-09-16
申请人： FUJITSU LIMITED
发明人： Tomonori Kubota , Takanori Nakao , Yasuyuki Murata
IPC分类号： G06N3/08 , G06K9/62 , G06T5/50 , G06T3/40
摘要： A method includes: generating a refine image from an incorrect image from which an incorrect label is inferred by a neural network; generating a third map by superimposing a first map and a second map, the first map indicating pixels to each of which a change is made in generating the refine image, of plural pixels in the incorrect image, the second map indicating a degree of attention for each local region in the refine image, each local region being a region that has drawn attention at the time of inference by the neural network, and the third map indicating a degree of importance for each pixel for inferring a correct label; and obtaining an added value for respective divided region in the third map by summing pixel values within the respective divided region, the respective divided region being a region divided according to a predetermined index.

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