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公开(公告)号：US20220004290A1
公开(公告)日：2022-01-06
申请号：US17403831
申请日：2021-08-16
Applicant: Dropbox, Inc.
Inventor： Peter N. Belhumeur , David J. Kriegman , Thomas Berg
IPC: G06F3/0482 , G06F3/0484 , G06F3/0481 , G06F3/0485 , G06F16/54 , G06F16/532 , G06F16/538 , G06F3/0488 , G06K9/46 , G06F16/50
Abstract: One or more embodiments of a digital content system allow a user to conveniently search and/or navigate through a collection of digital content items. In particular, a user can interact with a client device to search for and identify one or more digital content items within a collection of digital content items. For example, the digital content system may provide a photo from a collection of photos via a graphical user interface. The digital content system can receive a user input identifying a selection of one or more visual features within the photo. Based on the selected visual feature(s), the digital content system may identify photos from the collection of photos that include the identified visual feature(s) and provide access to the identified photos via the graphical user interface.
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公开(公告)号：US20200233999A1
公开(公告)日：2020-07-23
申请号：US16830047
申请日：2020-03-25
Applicant: DROPBOX, INC.
Inventor： Nils Peter Welinder , Peter N. Belhumeur , Ying Xiong , Jongmin Baek , Simon Kozlov , Thomas Berg , David J. Kriegman
IPC: G06F40/166 , G06T7/194 , G06T11/00 , G06K9/00 , G06F16/93 , G06T5/00 , G06F40/106 , G06F40/123 , G06F40/197 , G06K9/46 , G06K9/78
Abstract: The present disclosure is directed toward systems and methods that efficiently and effectively generate an enhanced document image of a displayed document in an image frame captured from a live image feed. For example, systems and methods described herein apply a document enhancement process to a displayed document in an image frame that result in an enhanced document image that is cropped, rectified, un-shadowed, and with dark text against a mostly white background. Additionally, systems and method described herein determine whether a stored digital content item includes a displayed document. In response to determining that a stored digital content item does include a displayed document, systems and methods described herein generate an enhanced document image of a displayed document included in the stored digital content item.
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公开(公告)号：US10608976B2
公开(公告)日：2020-03-31
申请号：US15793787
申请日：2017-10-25
Applicant: Dropbox, Inc.
Inventor： Aditi Jain , Manveer Singh Chawla , Thomas Berg , Swapnil Zarekar , Robert Kajic , Karandeep Johar , Aaron Feldstein , Walter Kim , Joe Nudell , Jenny Dong , Jared Wilson , Luke Thompson , David Kriegman
Abstract: Computer-implemented techniques include, during a delayed processing window, receiving reward data for arm actions taken, where the arm actions were chosen based on a previous version of an arm choice policy, and the previous version of the arm choice policy was determined based on a previous set of reward data for a previous set of arm actions taken. When the delayed processing window has closed, a new arm choice policy is determined based at least in part on the action-reward data, and the previous set of reward data and/or the previous arm choice policy. After a request to choose an arm choice is received, a particular arm action to take is determined based on the new arm choice policy. This chosen arm is provided in response to the request.
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公开(公告)号：US20190325013A1
公开(公告)日：2019-10-24
申请号：US16457423
申请日：2019-06-28
Applicant: DROPBOX, INC.
Inventor： Nils Peter Welinder , Peter N. Belhumeur , Ying Xiong , Jongmin Baek , Simon Kozlov , Thomas Berg , David J. Kriegman
IPC: G06F17/24 , G06F16/93 , G06K9/00 , G06F17/22 , G06F17/21 , G06T11/00 , G06T7/194 , G06K9/78 , G06K9/46 , G06T5/00
Abstract: The present disclosure is directed toward systems and methods to quickly and accurately identify boundaries of a displayed document in a live camera image feed, and provide a document boundary indicator within the live camera image feed. For example, systems and methods described herein utilize different display document detection processes in parallel to generate and provide a document boundary indicator that accurately corresponds with a displayed document within a live camera image feed. Thus, a user of the mobile computing device can easily see whether the document identification system has correctly identified the displayed document within the camera viewfinder feed.
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公开(公告)号：US20180024974A1
公开(公告)日：2018-01-25
申请号：US15658289
申请日：2017-07-24
Applicant: DROPBOX, INC.
Inventor： Nils Peter Welinder , Peter N. Belhumeur , Ying Xiong , Jongmin Baek , Simon Kozlov , Thomas Berg , David J. Kriegman
Abstract: The present disclosure is directed toward systems and methods that efficiently and effectively generate an enhanced document image of a displayed document in an image frame captured from a live image feed. For example, systems and methods described herein apply a document enhancement process to a displayed document in an image frame that result in an enhanced document image that is cropped, rectified, un-shadowed, and with dark text against a mostly white background. Additionally, systems and method described herein determine whether a stored digital content item includes a displayed document. In response to determining that a stored digital content item does include a displayed document, systems and methods described herein generate an enhanced document image of a displayed document included in the stored digital content item.
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Patent Agency Ranking
26.发明公开公开(公告)号：US20230186071A1
公开(公告)日：2023-06-15
申请号：US17548519
申请日：2021-12-11
Applicant: Dropbox, Inc.
Inventor： Tristan Frederick Rice , Jongmin Baek , Ermo Wei , Morgan Zerby , Win Suen , David Lichtenberg , Thomas Berg , Christopher Lesniewski-Laas , Brandon Obas , Mingming Liu , Zachary Smetana , Bryan Guillemette , Panashe Machinda Fundira , Kevin Li , Vidit Bhargava
IPC: G06N3/08
CPC classification number: G06N3/08
Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media that utilize machine-learning models to classify content items and automatically organize the content items within a file structure according to their content item classifications. For instance, a content item classification system generates one or more content item classification models to determine classifications for content items and/or folders. In some instances, the classification system detects when new content items are added to a smart folder, determines destination folders to which the content items belong based on classifying the content items, and automatically moves the content items accordingly. In various instances, the classification system generates and utilizes a classification model to organize content items into dynamically-generated folders. In example implementations, the classification system generates and utilizes a classification model to automatically organize existing content items into existing folders.
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公开(公告)号：US11171909B2
公开(公告)日：2021-11-09
申请号：US16789200
申请日：2020-02-12
Applicant: Dropbox, Inc.
Inventor： Aditi Jain , Manveer Singh Chawla , Thomas Berg , Swapnil Zarekar , Robert Kajic , Karandeep Johar , Aaron Feldstein , Walter Kim , Joe Nudell , Jenny Dong , Jared Wilson , Luke Thompson , David Kriegman
Abstract: Techniques are provided for delayed processing for arm policy determination for content management system messaging, including, during a delayed processing window, receiving reward data for arm actions taken, where the arm actions were chosen based on a previous version of an arm choice policy, and the previous version of the arm choice policy was determined based on a previous set of reward data for a previous set of arm actions taken. When the delayed processing window has closed, a new arm choice policy is determined based at least in part on the action-reward data, and the previous set of reward data and/or the previous arm choice policy. After a request to choose an arm choice is received, a particular arm action to take is determined based on the new arm choice policy. This chosen arm is provided in response to the request.
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公开(公告)号：US20210271807A1
公开(公告)日：2021-09-02
申请号：US17323838
申请日：2021-05-18
Applicant: DROPBOX, INC.
Inventor： Nils Peter Welinder , Peter N. Belhumeur , Ying Xiong , Jongmin Baek , Simon Kozlov , Thomas Berg , David J. Kriegman
IPC: G06F40/166 , G06T7/194 , G06T11/00 , G06K9/00 , G06F16/93 , G06T5/00 , G06F40/106 , G06F40/123 , G06F40/197 , G06K9/46 , G06K9/78
Abstract: The present disclosure is directed toward systems and methods that efficiently and effectively generate an enhanced document image of a displayed document in an image frame captured from a live image feed. For example, systems and methods described herein apply a document enhancement process to a displayed document in an image frame that result in an enhanced document image that is cropped, rectified, un-shadowed, and with dark text against a mostly white background. Additionally, systems and method described herein determine whether a stored digital content item includes a displayed document. In response to determining that a stored digital content item does include a displayed document, systems and methods described herein generate an enhanced document image of a displayed document included in the stored digital content item.
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公开(公告)号：US20210264098A1
公开(公告)日：2021-08-26
申请号：US17315027
申请日：2021-05-07
Applicant: DROPBOX, INC.
Inventor： Nils Peter Welinder , Peter N. Belhumeur , Ying Xiong , Jongmin Baek , Simon Kozlov , Thomas Berg , David J. Kriegman
IPC: G06F40/166 , G06T7/194 , G06T11/00 , G06K9/00 , G06F16/93 , G06T5/00 , G06F40/106 , G06F40/123 , G06F40/197 , G06K9/46 , G06K9/78
Abstract: The present disclosure is directed toward systems and methods to quickly and accurately identify boundaries of a displayed document in a live camera image feed, and provide a document boundary indicator within the live camera image feed. For example, systems and methods described herein utilize different display document detection processes in parallel to generate and provide a document boundary indicator that accurately corresponds with a displayed document within a live camera image feed. Thus, a user of the mobile computing device can easily see whether the document identification system has correctly identified the displayed document within the camera viewfinder feed.
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公开(公告)号：US11093112B2
公开(公告)日：2021-08-17
申请号：US16433903
申请日：2019-06-06
Applicant: Dropbox, Inc.
Inventor： Peter N. Belhumeur , David J. Kriegman , Thomas Berg
IPC: G06F3/048 , G06F3/0482 , G06F3/0484 , G06F3/0481 , G06F3/0485 , G06F16/54 , G06F16/532 , G06F16/538 , G06F3/0488 , G06K9/46 , G06F16/50
Abstract: One or more embodiments of a digital content system allow a user to conveniently search and/or navigate through a collection of digital content items. In particular, a user can interact with a client device to search for and identify one or more digital content items within a collection of digital content items. For example, the digital content system may provide a photo from a collection of photos via a graphical user interface. The digital content system can receive a user input identifying a selection of one or more visual features within the photo. Based on the selected visual feature(s), the digital content system may identify photos from the collection of photos that include the identified visual feature(s) and provide access to the identified photos via the graphical user interface.
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