Patents Assigned to NextVPU (Shanghai) Co., Ltd.
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Patent number: 11887923Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.Type: GrantFiled: June 10, 2021Date of Patent: January 30, 2024Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Aofeng Qian, Gang Qin, Xinpeng Feng, Ji Zhou
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Patent number: 11776286Abstract: An image text broadcasting method, an electronic device, and a storage medium are provided. The image text broadcasting method includes: receiving a specified broadcast indication; determining a current broadcast progress about broadcast data in response to the specified broadcast indication; acquiring a next piece of broadcast data from a first text according to the current broadcast progress and the specified broadcast indication, in which the first text is composed of text data recognized and stored for a text in a text area of an image.Type: GrantFiled: February 1, 2021Date of Patent: October 3, 2023Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Xuanyang Feng, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Publication number: 20230154840Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.Type: ApplicationFiled: June 10, 2021Publication date: May 18, 2023Applicant: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Aofeng Qian, Gang Qin, Xinpeng Feng, Ji Zhou
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Patent number: 11367296Abstract: A layout analysis method, an electronic device, and a non-transitory computer-readable storage medium are provided. The layout analysis method includes: obtaining coordinate information of a plurality of text lines in an image; creating a layout model of the image according to the coordinate information; analyzing a layout structure of the text lines based on the layout model; and determining an order of the text lines relative to each other based on the layout structure.Type: GrantFiled: June 17, 2021Date of Patent: June 21, 2022Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Linfeng Li, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 11272188Abstract: Disclosed is a compression method for a deep neural network. The deep neural network comprises a plurality of layers. The method includes the following steps for each of at least one layer of the plurality of layers other than an input layer: reading parameters of that layer from a parameter storage space; reading a first feature map stored by an immediate previous layer from a feature map storage space; generating a second feature map on the basis of the read parameters and the first feature map; compressing the second feature map so as to obtain a third feature map; and storing the third feature map into the feature map storage space. Further, a chip based on the compression method and a medium are also provided.Type: GrantFiled: March 3, 2021Date of Patent: March 8, 2022Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Ji Zhou, Xinpeng Feng
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Patent number: 11232315Abstract: An image depth determining method and a living body identification method, a circuit, a device, and a medium. The image depth determining method includes obtaining pixel coordinates of a feature point pair associated with an object point on a subject, determining a first straight line passing through the origin of a first camera coordinate system of a first camera based on first pixel coordinates and intrinsic parameters of the first camera, determining a second straight line passing through the origin of a second camera coordinate system of a second camera based on second pixel coordinates and intrinsic parameters of the second camera, and determining the depth of the object point based on the first straight line, the second straight line, and extrinsic parameters describing a relative position relationship between the first camera and the second camera.Type: GrantFiled: April 23, 2021Date of Patent: January 25, 2022Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
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Publication number: 20220012482Abstract: A layout analysis method, an electronic device, and a non-transitory computer-readable storage medium are provided. The layout analysis method includes: obtaining coordinate information of a plurality of text lines in an image; creating a layout model of the image according to the coordinate information; analyzing a layout structure of the text lines based on the layout model; and determining an order of the text lines relative to each other based on the layout structure.Type: ApplicationFiled: June 17, 2021Publication date: January 13, 2022Applicant: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Linfeng Li, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Publication number: 20210334569Abstract: An image depth determining method and a living body identification method, a circuit, a device, and a medium. The image depth determining method includes obtaining pixel coordinates of a feature point pair associated with an object point on a subject, determining a first straight line passing through the origin of a first camera coordinate system of a first camera based on first pixel coordinates and intrinsic parameters of the first camera, determining a second straight line passing through the origin of a second camera coordinate system of a second camera based on second pixel coordinates and intrinsic parameters of the second camera, and determining the depth of the object point based on the first straight line, the second straight line, and extrinsic parameters describing a relative position relationship between the first camera and the second camera.Type: ApplicationFiled: April 23, 2021Publication date: October 28, 2021Applicant: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
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Patent number: 11158077Abstract: A disparity estimation method, an electronic device, and a computer-readable storage medium are provided. The disparity estimation method includes: performing feature extraction on each image in an image pair; and performing cascaded multi-stage disparity processing according to the extracted image features to obtain multiple disparity maps with increasing sizes. The input of a first stage disparity processing in the multi-stage disparity processing includes multiple image features each having a size corresponding to the first stage disparity processing, and the input of disparity processing of each stage other than the first stage disparity processing in the multi-stage disparity processing includes: one or more image features each having a size corresponding to disparity processing of the stage and a disparity map generated by disparity processing of an immediate previous stage.Type: GrantFiled: December 18, 2020Date of Patent: October 26, 2021Assignee: Nextvpu (Shanghai) Co., Ltd.Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
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Patent number: 11127115Abstract: A disparity determining method, an electronic device, and a computer-readable storage medium are provided. The disparity determining method includes: downsampling a first image and a second image, to obtain a first image with a first size and a second image with the first size; performing first-stage disparity computation on the first image with the first size and the second image with the first size, to obtain a first disparity map with the first size; and performing second-stage disparity computation on a first image with a second size and a second image with the second size based on an upsampled disparity map, with the second size, of the first disparity map, to obtain a second disparity map with the second size.Type: GrantFiled: December 22, 2020Date of Patent: September 21, 2021Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
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Patent number: 11112059Abstract: The present disclosure relates to the field of wearable devices, and in particular to a connector for a wearable device, an assistive device, a wearable device, and a kit. The connector comprises a first connecting component and a second connecting component, wherein the first connecting component comprises a first engaging member, the second connecting component comprises a second engaging member, and the first connecting component and the second connecting component are connected to each other by means of the mating between the first engaging member and the second engaging member and can rotate relative to each other into a separable position and an engaged position. The connector of the present disclosure can solve the technical problem that the mounting angle of the assistive device relative to the wearable device cannot be flexibly and conveniently adjusted and cannot be maintained in each adjustment shift.Type: GrantFiled: April 2, 2020Date of Patent: September 7, 2021Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Chang Sun, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Publication number: 20210248406Abstract: An image text broadcasting method, an electronic device, and a storage medium are provided. The image text broadcasting method includes: receiving a specified broadcast indication; determining a current broadcast progress about broadcast data in response to the specified broadcast indication; acquiring a next piece of broadcast data from a first text according to the current broadcast progress and the specified broadcast indication, in which the first text is composed of text data recognized and stored for a text in a text area of an image.Type: ApplicationFiled: February 1, 2021Publication date: August 12, 2021Applicant: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Xuanyang Feng, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 11054838Abstract: A mobile robot is provided. The mobile robot includes: a driving mechanism configured to drive the mobile robot to move; a chassis on which the driving mechanism is mounted; and a camera mainboard, on which a camera module is provided. The camera module is configured to obtain an external environment image and has at least two optical axes. The camera mainboard is arranged on the chassis such that each of the at least two optical axes is parallel to a horizontal plane.Type: GrantFiled: September 29, 2020Date of Patent: July 6, 2021Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Ji Zhou, Peng Zhang, Xinpeng Feng
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Patent number: 10989933Abstract: The present disclosure relates to a connector, an assistive device, a wearable device, and a wearable device kit. The connector includes a first magnetic connecting component; and a second magnetic connecting component detachably connected to the first magnetic connecting component by magnetic attraction. By means of the connector of the present disclosure, the assistive device can be detachably connected to the wearable device more reliably and more flexibly.Type: GrantFiled: April 7, 2020Date of Patent: April 27, 2021Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Chang Sun, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 10922570Abstract: A processor chip circuit is provided, which is used for entering human face information into a database and includes a circuit unit configured to perform the steps of: videoing one or more videoed persons and extracting human face information of the one or more videoed persons from one or more video frames during the videoing; recording a voice of at least one of the one or more videoed persons during the videoing; performing semantic analysis on the recorded voice so as to extract respective information therefrom; and associating the extracted information with the human face information of the videoed person who has spoken the extracted information, and entering the associated information into the database.Type: GrantFiled: November 8, 2019Date of Patent: February 16, 2021Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
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Publication number: 20210034898Abstract: A processor chip circuit is provided, which is used for entering human face information into a database and includes a circuit unit configured to perform the steps of: videoing one or more videoed persons and extracting human face information of the one or more videoed persons from one or more video frames during the videoing; recording a voice of at least one of the one or more videoed persons during the videoing; performing semantic analysis on the recorded voice so as to extract respective information therefrom; and associating the extracted information with the human face information of the videoed person who has spoken the extracted information, and entering the associated information into the database.Type: ApplicationFiled: November 8, 2019Publication date: February 4, 2021Applicant: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 10860165Abstract: The present disclosure discusses smart glasses. The smart glasses may capture an image and then identify one or more objects in the image. The object located at a predefined position or region in the image is informed to a user. With the method, rather than all of the objects in the image, the object at the predefined position or region is informed to a user, such that the informing efficiency of the smart glasses and user experience are improved.Type: GrantFiled: October 31, 2019Date of Patent: December 8, 2020Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 10838056Abstract: Provided are a target detection method, a circuit, a device for assisting visually impaired people, an electronic device, and a medium. The target detection method includes: acquiring an image collected by an image sensor; detecting whether there is at least a portion of a target object in the image; and providing, in response to not detecting at least a portion of the target object in the image, a prompt to adjust the target object to be within a field of view of the image sensor.Type: GrantFiled: March 30, 2020Date of Patent: November 17, 2020Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 10796187Abstract: The present disclosure relates to detection of texts. A text detecting method includes: acquiring a first image to be detected of a text object to be detected; determining whether the first image to be detected contains a predetermined indicator; determining, if the first image to be detected contains the predetermined indicator, a position of the predetermined indicator, and acquiring a second image to be detected of the text object to be detected; determining whether the second image to be detected contains the predetermined indicator; and determining, if the second image to be detected does not contain the predetermined indicator, a text detecting region based on the position of the predetermined indicator.Type: GrantFiled: August 28, 2019Date of Patent: October 6, 2020Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Song Mei, Haijiao Cai, Xinpeng Feng, Ji Zhou
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Patent number: 10795185Abstract: Provided is a connector, the connector comprises: a first connecting component provided with a first magnetic component; and a second connecting component provided with a second magnetic component, wherein the first magnetic component and the second magnetic component can be magnetically attached to each other, wherein the second connecting component can rotate by a predetermined angle relative to the first connecting component in a plane perpendicular to a direction of magnetic attraction. The connector of the present disclosure can solve the technical problem that the mounting angle of the assistive device relative to the wearable device cannot be flexibly and conveniently adjusted.Type: GrantFiled: April 2, 2020Date of Patent: October 6, 2020Assignee: NEXTVPU (SHANGHAI) CO., LTD.Inventors: Chang Sun, Haijiao Cai, Xinpeng Feng, Ji Zhou