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公开(公告)号：US20210020162A1
公开(公告)日：2021-01-21
申请号：US16517314
申请日：2019-07-19
Applicant: Cisco Technology, Inc.
Inventor： Keith Griffin , Dario Cazzani
Abstract: The disclosed technology relates to a process for automatically training a machine learning algorithm to recognize a custom wake word. By using different text-to-speech services, input providing a custom wake word to a text to speech service can be used in order to generate different speech samples covering different variations in how the custom wake word can be pronounced. These samples are automatically generated and are subsequently used to train the wake word detection algorithm that will be used by the computing device to recognize and detect when the custom wake word is uttered by any user nearby a computing device for the purposes of initiating a virtual assistant. In a further embodiment, “white-listed” words (e.g different words that are pronounced similar to the custom wake word) are also identified and trained in order to minimize the occurrence of erroneously initiating the virtual assistant.
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公开(公告)号：US11282500B2
公开(公告)日：2022-03-22
申请号：US16517314
申请日：2019-07-19
Applicant: Cisco Technology, Inc.
Inventor： Keith Griffin , Dario Cazzani
Abstract: The disclosed technology relates to a process for automatically training a machine learning algorithm to recognize a custom wake word. By using different text-to-speech services, input providing a custom wake word to a text to speech service can be used in order to generate different speech samples covering different variations in how the custom wake word can be pronounced. These samples are automatically generated and are subsequently used to train the wake word detection algorithm that will be used by the computing device to recognize and detect when the custom wake word is uttered by any user nearby a computing device for the purposes of initiating a virtual assistant. In a further embodiment, “white-listed” words (e.g different words that are pronounced similar to the custom wake word) are also identified and trained in order to minimize the occurrence of erroneously initiating the virtual assistant.
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公开(公告)号：US20240129435A1
公开(公告)日：2024-04-18
申请号：US17967201
申请日：2022-10-17
Applicant: Cisco Technology, Inc.
Inventor： Dario Cazzani , William Reed , Mitchell Mosure
CPC classification number: H04N7/152 , G06T5/002 , G06T7/10 , G06T7/73 , G06V10/761 , H04N7/147 , G06V2201/07
Abstract: Presented herein are techniques to process an image for a video conference. A method includes obtaining an image from a camera, identifying a first person and a second person in the image, labeling pixels in the image belonging to the first person and to the second person, determining a first distance between the first person and the camera and a second distance between the second person and the camera, and based on the first distance and the second distance, selectively removing or blurring at least one of the first person and the second person from the image, before transmitting the image to an endpoint of a video conference, by manipulating the pixels in the image belonging to the at least one of the first person and the second person.
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