Patents by Inventor Yanxin Pan
Yanxin Pan 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: 11977561Abstract: A method including obtaining image data and attribute information of a first item in an item catalog. The method also can include generating candidate variant items from the item catalog for the first item using a combination of (a) a k-nearest neighbors approach to search for first candidate variant items based on text embeddings for the attribute information of the first item, and (b) an elastic search approach to search for second candidate variant items based on image embeddings for the image data of the first item. The method additionally can include performing respective classifications based on respective pairs comprising the first item and each of the candidate variant items to filter the candidate variant items. The method further can include determining a respective distance between the first item and each of the candidate variant items, as filtered.Type: GrantFiled: January 31, 2020Date of Patent: May 7, 2024Assignee: WALMART APOLLO, LLCInventors: Yanxin Pan, Swagata Chakraborty, Abhinandan Krishnan, Abon Chaudhuri, Aakash Mayur Mehta, Edison Mingtao Zhang, Kyu Bin Kim
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Publication number: 20240070438Abstract: A system comprising one or more processors and one or more non-transitory computer-readable media storing computing instructions that, when executed on the one or more processors, cause the one or more processors to perform operations comprising: obtaining a set of items that have been grouped together as matching items in a group; generating, using an ensemble learning model, a predictive indication of a mismatched item grouped together in error as part of the set of items, wherein the ensemble learning model comprises at least two detection models that are performed simultaneously with each other to output predictive indications comprising the predictive indication; and determining a final mismatch decision for an item of the set of items, wherein the final mismatch decision is based on the predictive indication, and wherein the item comprises the mismatched item. Other embodiments are disclosed.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: Walmart Apollo, LLCInventors: Yanxin Pan, Swagata Chakraborty, Abhinandan Krishnan, Abon Chaudhuri, Aakash Mayur Mehta, Edison Mingtao Zhang, Kyu Bin Kim
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Patent number: 11815942Abstract: A systems including one or more processors and one or more non-transitory storage devices storing computing instructions configured to run on the one or more processors and perform acts of: receiving a query image comprising at least one target object and at least one candidate image; generating a plurality of proposals based on the at least one candidate image; selecting a portion of the plurality of proposals to produce a reduced proposal set; generating a query embedding corresponding to the query image; generating candidate embeddings corresponding to the portion of the plurality of proposals included in the reduced proposal set; computing similarity scores for the portion of the plurality of proposals; and comparing the similarity scores to a threshold to determine if the at least one candidate image comprises the at least one target object. Other embodiments are disclosed herein.Type: GrantFiled: March 14, 2022Date of Patent: November 14, 2023Assignee: WALMART APOLLO, LLCInventors: Theban Stanley, Nihar Vanjara, Yanxin Pan, Abon Chaudhuri, Nikash Walia
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Patent number: 11809979Abstract: A system including one or more processors and one or more non-transitory computer-readable media storing computing instructions configured to run on the one or more processors and perform obtaining a set of items that have been grouped together as matching items in a group; performing an ensemble mismatch detection; performing multiple detection models on the set of items to generate respective outputs regarding mismatches; combining the respective outputs to determine whether a quantity of detected mismatches is at least a predetermined threshold; when the quantity of detected mismatches is at least the predetermined threshold, the acts also can include separating at least one of the set of items from the group; and when the quantity of detected mismatches is not at least the predetermined threshold, the acts additionally can include maintaining each item of the set of items in the group. Other embodiments are disclosed.Type: GrantFiled: January 31, 2020Date of Patent: November 7, 2023Assignee: WALMART APOLLO, LLCInventors: Yanxin Pan, Swagata Chakraborty, Abhinandan Krishnan, Abon Chaudhuri, Aakash Mayur Mehta, Edison Mingtao Zhang, Kyu Bin Kim
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Publication number: 20220292129Abstract: A systems including one or more processors and one or more non-transitory storage devices storing computing instructions configured to run on the one or more processors and perform acts of: receiving a query image comprising at least one target object and at least one candidate image; generating a plurality of proposals based on the at least one candidate image; selecting a portion of the plurality of proposals to produce a reduced proposal set; generating a query embedding corresponding to the query image; generating candidate embeddings corresponding to the portion of the plurality of proposals included in the reduced proposal set; computing similarity scores for the portion of the plurality of proposals; and comparing the similarity scores to a threshold to determine if the at least one candidate image comprises the at least one target object. Other embodiments are disclosed herein.Type: ApplicationFiled: March 14, 2022Publication date: September 15, 2022Applicant: Walmart Apollo, LLCInventors: Theban Stanley, Nihar Vanjara, Yanxin Pan, Abon Chaudhuri, Nikash Walia
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Publication number: 20220222924Abstract: A system including one or more processors and one or more non-transitory computer- readable media storing computing instructions configured to run on the one or more processors and perform: creating an adjacency list for candidate items using a distance threshold; generating graphs of the candidate items in the adjacency list, wherein nodes of the graphs represent the candidate items, and wherein edges of the graphs represent respective predicted variant neighbor links between pairs of the candidate items; determining, using breakdown logic, first graphs of the graphs that exceed a predetermined size; performing divisive hierarchical clustering on each of the first graphs; and identifying recommended variant groups of the candidate item in the nested subclusters of the hierarchy dendrogram below the respective cut-off value. Other embodiments are described.Type: ApplicationFiled: January 31, 2022Publication date: July 14, 2022Applicant: Walmart Apollo, LLCInventors: Yanxin Pan, Swagata Chakraborty, Ekaterina Pirogova
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Publication number: 20210241076Abstract: A system including one or more processors and one or more non-transitory computer-readable media storing computing instructions configured to run on the one or more processors and perform obtaining a set of items that have been grouped together as matching items in a group; performing an ensemble mismatch detection; performing multiple detection models on the set of items to generate respective outputs regarding mismatches; combining the respective outputs to determine whether a quantity of detected mismatches is at least a predetermined threshold; when the quantity of detected mismatches is at least the predetermined threshold, the acts also can include separating at least one of the set of items from the group; and when the quantity of detected mismatches is not at least the predetermined threshold, the acts additionally can include maintaining each item of the set of items in the group. Other embodiments are disclosed.Type: ApplicationFiled: January 31, 2020Publication date: August 5, 2021Applicant: Walmart Apollo, LLCInventors: Yanxin Pan, Swagata Chakraborty, Abhinandan Krishnan, Abon Chaudhuri, Aakash Mayur Mehta, Edison Mingtao Zhang, Kyu Bin Kim
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Publication number: 20210240739Abstract: A method including obtaining image data and attribute information of a first item in an item catalog. The method also can include generating candidate variant items from the item catalog for the first item using a combination of (a) a k-nearest neighbors approach to search for first candidate variant items based on text embeddings for the attribute information of the first item, and (b) an elastic search approach to search for second candidate variant items based on image embeddings for the image data of the first item. The method additionally can include performing respective classifications based on respective pairs comprising the first item and each of the candidate variant items to filter the candidate variant items. The method further can include determining a respective distance between the first item and each of the candidate variant items, as filtered.Type: ApplicationFiled: January 31, 2020Publication date: August 5, 2021Applicant: Walmart Apollo, LLCInventors: Yanxin Pan, Swagata Chakraborty, Abhinandan Krishnan, Abon Chaudhuri, Aakash Mayur Mehta, Edison Mingtao Zhang, Kyu Bin Kim