Patents by Inventor Xiang Ruan
Xiang Ruan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10599709Abstract: An object recognition device includes an acquisition unit configured to acquire a recognition target image that serves as an object to be recognized; a retrieval unit configured to search an image database storing a plurality of image data in association with tag information and retrieve a similar image that matches the recognition target image; and a recognition unit configured to recognize the object included in the recognition target image on the basis of tag information associated with a similar image obtained by the retrieval unit. The recognition may select the tag information that appears most frequently among the tag information associated with the similar images as a recognition result. The recognition unit may also compute a tag information reliability score from the similar image in the retrieval result and recognize an object taking into account said reliability score.Type: GrantFiled: August 24, 2017Date of Patent: March 24, 2020Assignee: OMRON CorporationInventors: Xiang Ruan, Naru Yasuda, Yanping Lu
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Patent number: 10515032Abstract: A system includes a host processor (105) and a peripheral device (708). The host processor (105) is coupled to the peripheral device (708) by a Peripheral Component Interconnect Express (PCIe) compliant link. The peripheral device (708) can include logic circuitry to identify, based on an application using the device and the host processor (105), a read to write ratio utilized by the application; and provide the read to write ratio to the host processor (105). The host processor (105) comprising logic circuitry to send a command signal to a device in communication with the hardware processor across a peripheral component interconnect express (PCIe) compliant link, the command signal indicating a transmission (TX) lane to receive (RX) lane ratio, the TX lane to RX lane ratio corresponding to the read to write ratio identified by the peripheral device (708); and receive an indication that the device is capable of supporting asymmetric TX and RX ratios.Type: GrantFiled: July 1, 2016Date of Patent: December 24, 2019Assignee: Intel CorporationInventors: Zhiming Li, Xingping Ruan, Xiao Hu, Terrence Trausch, Robert Pebly, Xiang Zhou, Jie Yan
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Publication number: 20190138470Abstract: A system includes a host processor (105) and a peripheral device (708). The host processor (105) is coupled to the peripheral device (708) by a Peripheral Component Interconnect Express (PCIe) compliant link. The peripheral device (708) can include logic circuitry to identify, based on an application using the device and the host processor (105), a read to write ratio utilized by the application; and provide the read to write ratio to the host processor (105). The host processor (105) comprising logic circuitry to send a command signal to a device in communication with the hardware processor across a peripheral component interconnect express compliant link, the command signal indicating a transmission (TX) lane to receive (RX) lane ratio, the TX lane to RX lane ratio corresponding to the read to write ratio identified by the peripheral device (708); and receive an indication that the device is capable of supporting asymmetric TX and RX ratios.Type: ApplicationFiled: July 1, 2016Publication date: May 9, 2019Applicant: Intel CorporationInventors: Zhiming Li, Xingping Ruan, Xiao Hu, Terrence Trausch, Robert Pebly, Xiang Zhou, Jie Yan
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Patent number: 9904868Abstract: A visual attention detector includes a feature extraction unit configured to extract a spatiotemporal feature from a local region in a video; a hashing unit configured to convert a spatiotemporal feature value for the local region into a hash value, and to select a training value mapped to the hash using a hash table; and an attention measure determining unit configured to determine an attention measure on the basis of the distance between a spatiotemporal feature value for the local region and the selected training value such that the larger the distance the larger the attention measure.Type: GrantFiled: August 16, 2016Date of Patent: February 27, 2018Assignee: OMRON CorporationInventors: Xiang Ruan, Huchuan Lu
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Publication number: 20170351934Abstract: An object recognition device includes an acquisition unit configured to acquire a recognition target image that serves as an object to be recognized; a retrieval unit configured to search an image database storing a plurality of image data in association with tag information and retrieve a similar image that matches the recognition target image; and a recognition unit configured to recognize the object included in the recognition target image on the basis of tag information associated with a similar image obtained by the retrieval unit. The recognition may select the tag information that appears most frequently among the tag information associated with the similar images as a recognition result. The recognition unit may also compute a tag information reliability score from the similar image in the retrieval result and recognize an object taking into account said reliability score.Type: ApplicationFiled: August 24, 2017Publication date: December 7, 2017Applicant: OMRON CorporationInventors: Xiang RUAN, Naru YASUDA, Yanping LU
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Publication number: 20170352162Abstract: A region-of-interest extraction device is provided with an extraction unit configured to extract one or a plurality of local regions from an input image; a retrieval unit configured to search an image database storing a plurality of images and retrieve an image matching a local region for each of the local regions extracted by the extraction unit; and a relevance score determination unit configured to determine a relevance score for each of the local regions on the basis of the retrieval result from the retrieval unit.Type: ApplicationFiled: August 23, 2017Publication date: December 7, 2017Applicant: OMRON CorporationInventors: Xiang RUAN, Naru YASUDA, Yanping LU, Huchuan LU
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Patent number: 9824294Abstract: A saliency information acquisition device has a local saliency acquisition unit configured to calculate a saliency measure for each pixel in an input image on the basis of information obtained from a local region surrounding each pixel, a candidate-region setting unit configured to set a plurality of candidate regions in the input image, a global saliency acquisition unit configured to calculate a saliency measure for each candidate region in the plurality of candidate regions on the basis of information including a local saliency feature representing an attribute of the saliency measure for each pixel within a candidate region, and a global feature representing an attribute of the candidate regions in relation to the entire input image, and an integration unit configured to combine the saliency measure for each candidate region in the plurality of candidate regions obtained by the global saliency acquisition unit to generate saliency information.Type: GrantFiled: March 28, 2016Date of Patent: November 21, 2017Assignee: OMRON CorporationInventors: Xiang Ruan, Huchuan Lu
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Publication number: 20170091573Abstract: A visual attention detector includes a feature extraction unit configured to extract a spatiotemporal feature from a local region in a video; a hashing unit configured to convert a spatiotemporal feature value for the local region into a hash value, and to select a training value mapped to the hash using a hash table; and an attention measure determining unit configured to determine an attention measure on the basis of the distance between a spatiotemporal feature value for the local region and the selected training value such that the larger the distance the larger the attention measure.Type: ApplicationFiled: August 16, 2016Publication date: March 30, 2017Applicant: OMRON CorporationInventors: Xiang RUAN, Huchuan LU
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Patent number: 9600746Abstract: An image processing apparatus has an image acquisition unit that acquires an image that is to be subjected to processing, a learning sample extraction unit that extracts data of a plurality of learning samples from the image, a classifier learning unit that performs learning of a plurality of classifiers using the plurality of learning samples, a strong classifier generation unit that generates a strong classifier by combining the plurality of learned classifiers, and a saliency map generation unit that generates a saliency map of the image using the strong classifier.Type: GrantFiled: December 31, 2014Date of Patent: March 21, 2017Assignee: OMRON CorporationInventors: Xiang Ruan, Huchuan Lu, Na Tong
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Publication number: 20160358035Abstract: A saliency information acquisition device has a local saliency acquisition unit configured to calculate a saliency measure for each pixel in an input image on the basis of information obtained from a local region surrounding each pixel, a candidate-region setting unit configured to set a plurality of candidate regions in the input image, a global saliency acquisition unit configured to calculate a saliency measure for each candidate region in the plurality of candidate regions on the basis of information including a local saliency feature representing an attribute of the saliency measure for each pixel within a candidate region, and a global feature representing an attribute of the candidate regions in relation to the entire input image, and an integration unit configured to combine the saliency measure for each candidate region in the plurality of candidate regions obtained by the global saliency acquisition unit to generate saliency information.Type: ApplicationFiled: March 28, 2016Publication date: December 8, 2016Applicant: OMRON CorporationInventors: Xiang Ruan, Huchuan Lu
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Patent number: 9367762Abstract: An image processing device and a method performed by a computer, the image processing device comprising: a processing unit configured to operate as an image acquisition unit configured to acquire an image; a similarity map generator configured to calculate, with a region constructed with one or a plurality of pixels in the image as a constituent unit, a first similarity map based on a first algorithm, the first similarity map representing a degree of similarity between the region and a marginal region of the image, and calculate a second similarity map based on a second algorithm, the second similarity map representing a degree of similarity between the region and the marginal region of the image; and a saliency map generator configured to integrate the first similarity map and the second similarity map to generate a saliency map.Type: GrantFiled: November 24, 2014Date of Patent: June 14, 2016Assignee: OMRON CORPORATIONInventors: Xiang Ruan, Huchuan Lu, Lihe Zhang, Xiaohui Li
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Patent number: 9189861Abstract: An image processing device has an affinity calculating unit that handles each pixel in an image or each region including a plurality of pixels joined together, as a unit component, and determines a first affinity between each of the unit components and one of the unit components which is located in a periphery region of the image, a foreground region identifying unit that identifies, as a foreground region, a region made up of one or more of the unit components whose first affinities calculated by the affinity calculating unit are lower than a preset threshold, and a saliency measure output unit that determines a second affinity between each of the unit components in the image and the foreground region identified by the foreground region identifying unit, and outputs the second affinity as a saliency measure for each unit component.Type: GrantFiled: February 27, 2014Date of Patent: November 17, 2015Assignee: OMRON CorporationInventors: Xiang Ruan, Lu Huchuan, Yang Chuan, Zhang Lihe
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Patent number: 9177205Abstract: An attribute of image data can accurately be discriminated. An image attribute discrimination apparatus includes a heterogeneous region extracting unit that specifies a heterogeneous region from image data. The heterogeneous region includes a heterogeneous matter whose attribute is different from that of a content originally produced by the image data. An image attribute discrimination apparatus further includes a scene discrimination unit that discriminates the attribute of the image data based on a feature quantity extracted from a pixel group except each pixel in the heterogeneous region in each pixel of the image data.Type: GrantFiled: February 23, 2011Date of Patent: November 3, 2015Assignee: OMRON CorporationInventors: Tomoyoshi Aizawa, Xiang Ruan, Motoo Yamamoto, Kiyoaki Tanaka
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Publication number: 20150262039Abstract: An image processing apparatus has an image acquisition unit that acquires an image that is to be subjected to processing, a learning sample extraction unit that extracts data of a plurality of learning samples from the image, a classifier learning unit that performs learning of a plurality of classifiers using the plurality of learning samples, a strong classifier generation unit that generates a strong classifier by combining the plurality of learned classifiers, and a saliency map generation unit that generates a saliency map of the image using the strong classifier.Type: ApplicationFiled: December 31, 2014Publication date: September 17, 2015Inventors: Xiang Ruan, Huchuan Lu, Na Tong
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Publication number: 20150262068Abstract: An event detection apparatus determines the occurrence of an abnormal event based on input data without predefining and learning normal or abnormal patterns. A first data obtaining unit obtains first data. A feature quantity classifying unit obtains a feature quantity corresponding to the first data, generates a plurality of clusters for classifying the obtained feature quantity, and classifies the feature quantity into a corresponding one of the clusters. A learning unit learns a plurality of identifiers using feature quantities classified into the clusters. A second data obtaining unit obtains second data. An identifier unit inputs a feature quantity corresponding to the second data into the plurality of learned identifiers, and receives an identification result from each identifier. A determination unit determines whether the second data includes an identification target event based on the obtained identification result.Type: ApplicationFiled: February 2, 2015Publication date: September 17, 2015Applicant: OMRON CorporationInventors: Xiang Ruan, Huchuan Lu, Ying Zhang
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Publication number: 20150154471Abstract: An image processing device and a method performed by a computer, the image processing device comprising: a processing unit configured to operate as an image acquisition unit configured to acquire an image; a similarity map generator configured to calculate, with a region constructed with one or a plurality of pixels in the image as a constituent unit, a first similarity map based on a first algorithm, the first similarity map representing a degree of similarity between the region and a marginal region of the image, and calculate a second similarity map based on a second algorithm, the second similarity map representing a degree of similarity between the region and the marginal region of the image; and a saliency map generator configured to integrate the first similarity map and the second similarity map to generate a saliency map.Type: ApplicationFiled: November 24, 2014Publication date: June 4, 2015Applicant: OMRON CorporationInventors: Xiang Ruan, Huchuan Lu, Lihe Zhang, Xiaohui Li
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Patent number: 9020270Abstract: An image processing device configured to detect a salient region from an image has a pixel small-region image generating unit that generates a pixel small-region image using, as a unit, a pixel small region made of pixels adjacent to one another and whose luminance values or chromaticity are similar, from the image, a prior probability calculator that calculates prior probability of likelihood of the salient region for each of the pixels of the image, a region generating unit that generates a salient-region-containing region having high possibility of containing a salient region on the basis of a corner point extracted from the image, and a likelihood calculator.Type: GrantFiled: March 27, 2014Date of Patent: April 28, 2015Assignee: OMRON CorporationInventors: Xiang Ruan, Lu Huchuan, Tong Na
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Patent number: 9014467Abstract: An image processing method includes a segmentation step that segments an input image into a plurality of regions by using an automatic segmentation algorithm, and a computation step that calculates a saliency value of one region of the plurality of segmented regions by using a weighted sum of color differences between the one region and all other regions. Accordingly, it is possible to automatically analyze visual saliency regions in an image, and a result of analysis can be used in application areas including significant object segmentation, object recognition, adaptive image compression, content-aware image resizing, and image retrieval.Type: GrantFiled: May 11, 2012Date of Patent: April 21, 2015Assignees: OMRON Corporation, Tsinghua UniversityInventors: Shi-Min Hu, Ming-Ming Cheng, Guo-Xin Zhang, Niloy J. Mitra, Xiang Ruan
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Publication number: 20150071532Abstract: Disclosed are an image processing device, an image processing method, and a non-transitory computer-readable medium that obtain a contour image in which noise edges are eliminated from local edge information and a contour of an important object is enhanced. The image processing device includes a local contour extraction unit which generates a local edge image and a global contour extraction unit which generates a global edge image. The image processing device generates a contour image by preparing the local edge image and obtaining the weighting sum of the local edge image and the global edge image.Type: ApplicationFiled: September 11, 2013Publication date: March 12, 2015Inventors: Xiang Ruan, Lin Chen, Ming-Hsuan Yang
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Publication number: 20140321754Abstract: An image processing device configured to detect a salient region from an image has a pixel small-region image generating unit that generates a pixel small-region image using, as a unit, a pixel small region made of pixels adjacent to one another and whose luminance values or chromaticity are similar, from the image, a prior probability calculator that calculates prior probability of likelihood of the salient region for each of the pixels of the image, a region generating unit that generates a salient-region-containing region having high possibility of containing a salient region on the basis of a corner point extracted from the image, and a likelihood calculator.Type: ApplicationFiled: March 27, 2014Publication date: October 30, 2014Applicant: OMRON CORPORATIONInventors: Xiang Ruan, Lu Huchuan, Tong Na