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公开(公告)号：US20230068798A1
公开(公告)日：2023-03-02
申请号：US17465143
申请日：2021-09-02
Applicant: Amazon Technologies, Inc.
Inventor： Tyler Jerel Etchart , Vivek Yadav , Pradeep Natarajan
Abstract: A system can operate a speech-controlled device to perform active speaker detection to detect an utterance using image data showing a user speaking the utterance. This enables the device to perform utterance detection using the image data and/or determine which user is speaking the utterance. To perform active speaker detection, the device processes the image data to determine expression parameters associated with the user's face and generates facial measurements based on the expression parameters. For example, the device can use the expression parameters to generate a 3D model including an agnostic facial representation and determine a mouth aspect ratio by measuring a mouth height and a mouth width of the agnostic facial representation. As the mouth aspect ratio changes when the user is speaking, the device can determine that the user is speaking and/or detect an utterance based on an amount of variation of the mouth aspect ratio.
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公开(公告)号：US11532301B1
公开(公告)日：2022-12-20
申请号：US17113823
申请日：2020-12-07
Applicant: Amazon Technologies, Inc.
Inventor： Kiana Hajebi , Vivek Yadav , Pradeep Natarajan
Abstract: Devices and techniques are generally described for inference reduction in natural language processing using semantic similarity-based caching. In various examples, first automatic speech recognition (ASR) data representing a first natural language input may be determined. A cache may be searched using the first ASR data. A first skill associated with the first ASR data may be determined from the cache. In some examples, first intent data representing a semantic interpretation of the first natural language input data may be determined by using a first natural language process associated with the first skill.
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公开(公告)号：US20210406589A1
公开(公告)日：2021-12-30
申请号：US16913837
申请日：2020-06-26
Applicant: Amazon Technologies, Inc.
Inventor： Vivek Yadav , Aayush Gupta , Yue Wu , Pradeep Natarajan , Ayush Jaiswal
Abstract: Techniques for masking images based on a particular task are described. A system masks portions of an image that are not relevant to a particular task, thus, reducing the amount of data used by applications for image processing tasks. For example, images to be processed using a hair color classification model are masked so that only portions that show the person's hair are available for the model to analyze. The system configures different masker components to mask images for different tasks. A masker component can be implemented at a user device to mask images prior to sending to an application/task-specific model.
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公开(公告)号：US11626107B1
公开(公告)日：2023-04-11
申请号：US17114116
申请日：2020-12-07
Applicant: Amazon Technologies, Inc.
Inventor： Kiana Hajebi , Vivek Yadav , Pradeep Natarajan
Abstract: Devices and techniques are generally described for inference reduction in natural language processing using semantic similarity-based caching. In various examples, first automatic speech recognition (ASR) data representing a first natural language input may be determined. A cache may be searched using the first ASR data. A first skill associated with the first ASR data may be determined from the cache. In some examples, first intent data representing a semantic interpretation of the first natural language input data may be determined by using a first natural language process associated with the first skill.
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公开(公告)号：US20210382636A1
公开(公告)日：2021-12-09
申请号：US16938846
申请日：2020-07-24
Applicant: Amazon Technologies, Inc.
Inventor： Saravana Perumal , Abhijit Chaudhuri , Mahesh H. Dhabade , Vivek Yadav , Nagaprasad K P , Rahul Kamalkishore Agrawal , Pankaj Chawla , Visakh Sakthidharan Nair
IPC: G06F3/06
Abstract: A write lock request for a data object on behalf of a first data accessor is received at a lock manager. The data object is currently locked on behalf of a second data accessor. The lock manager modifies lock metadata associated with the data object to indicate the first data accessor as the primary lock owner, and designates the second data accessor as a non-primary owner.
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Patent Agency Ranking
公开(公告)号：US12165636B1
公开(公告)日：2024-12-10
申请号：US17984511
申请日：2022-11-10
Applicant: Amazon Technologies, Inc.
Inventor： Kiana Hajebi , Vivek Yadav , Pradeep Natarajan
Abstract: Devices and techniques are generally described for inference reduction in natural language processing using semantic similarity-based caching. In various examples, first automatic speech recognition (ASR) data representing a first natural language input may be determined. A cache may be searched using the first ASR data. A first skill associated with the first ASR data may be determined from the cache. In some examples, first intent data representing a semantic interpretation of the first natural language input data may be determined by using a first natural language process associated with the first skill.
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公开(公告)号：US11854116B2
公开(公告)日：2023-12-26
申请号：US17740533
申请日：2022-05-10
Applicant: Amazon Technologies, Inc.
Inventor： Vivek Yadav , Aayush Gupta , Yue Wu , Pradeep Natarajan , Ayush Jaiswal
IPC: G06T11/00 , G06N20/00 , G06N3/08 , G06F18/2431 , G06F18/214 , G06V10/772 , G06V10/20
CPC classification number: G06T11/00 , G06F18/214 , G06F18/2431 , G06N3/08 , G06N20/00 , G06V10/20 , G06V10/772
Abstract: Techniques for masking images based on a particular task are described. A system masks portions of an image that are not relevant to a particular task, thus, reducing the amount of data used by applications for image processing tasks. For example, images to be processed using a hair color classification model are masked so that only portions that show the person's hair are available for the model to analyze. The system configures different masker components to mask images for different tasks. A masker component can be implemented at a user device to mask images prior to sending to an application/task-specific model.
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公开(公告)号：US11449241B2
公开(公告)日：2022-09-20
申请号：US16938846
申请日：2020-07-24
Applicant: Amazon Technologies, Inc.
Inventor： Saravana Perumal , Abhijit Chaudhuri , Mahesh H. Dhabade , Vivek Yadav , Nagaprasad K P , Rahul Kamalkishore Agrawal , Pankaj Chawla , Visakh Sakthidharan Nair
IPC: G06F3/06
Abstract: A write lock request for a data object on behalf of a first data accessor is received at a lock manager. The data object is currently locked on behalf of a second data accessor. The lock manager modifies lock metadata associated with the data object to indicate the first data accessor as the primary lock owner, and designates the second data accessor as a non-primary owner.
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公开(公告)号：US12254548B1
公开(公告)日：2025-03-18
申请号：US18082709
申请日：2022-12-16
Applicant: Amazon Technologies, Inc.
Inventor： Gourav Datta , Vivek Yadav , Yue Wu , Ayush Jaiswal , Rajiv M Reddy , Prateek Singhal , Karthik Ramakrishnan , Premkumar Natarajan
Abstract: A system configured to perform style-aware listener animation. By representing different listening styles (e.g., facial expressions) using an embedding space, a single model can be trained to generate unique facial animations for a number of distinct listeners. Thus, individual listening styles can be associated with a listener identifier, enabling the system to (i) animate a plurality of different listeners with unique nonverbal behavior and/or (ii) select a particular listener identifier or desired type of listener style with which to animate. This enables the model to be generalized to new listeners to generate additional listener facial responses without needing training data for each new listener. The model may process a listener representation style or listener identifier, along with input data corresponding to a speaker talking, to generate unique facial animation responsive to the speech.
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公开(公告)号：US20220405528A1
公开(公告)日：2022-12-22
申请号：US17740533
申请日：2022-05-10
Applicant: Amazon Technologies, Inc.
Inventor： Vivek Yadav , Aayush Gupta , Yue Wu , Pradeep Natarajan , Ayush Jaiswal
Abstract: Techniques for masking images based on a particular task are described. A system masks portions of an image that are not relevant to a particular task, thus, reducing the amount of data used by applications for image processing tasks. For example, images to be processed using a hair color classification model are masked so that only portions that show the person's hair are available for the model to analyze. The system configures different masker components to mask images for different tasks. A masker component can be implemented at a user device to mask images prior to sending to an application/task-specific model.
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