Patents by Inventor Qun Gu
Qun Gu 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: 11972617Abstract: A method of hybrid lane modeling, including, receiving a roadway image, extracting a set of lane points from the roadway image, fitting a polynomial line to the set of lane points, determining a fitted error of the fitted polynomial line, outputting the polynomial line if the fitted error is less than a predetermined threshold, selecting a set of clean lane points from the set of lane points if the fitted error is greater than the predetermined threshold and interpolating a cubic spline line to the set of clean lane points.Type: GrantFiled: June 16, 2021Date of Patent: April 30, 2024Assignee: Sesame Technologies Inc.Inventors: Liying Liu, Zuoguan Wang, Qun Gu
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Patent number: 11887384Abstract: A method of describing a temporal event, including receiving a video sequence of the temporal event, extracting at least one physical characteristic of an at least one occupant within the video sequence, extracting at least one action of the at least one occupant within the video sequence, extracting at least one interaction of the at least one occupant with a secondary occupant within the video sequence, determining a safety level of the temporal event within a vehicle based on at least one of the at least one action and the at least one interaction and describing the at least one physical characteristic of the at least one occupant and at least one of the at least one action and the at least one interaction of the at least one occupant.Type: GrantFiled: February 2, 2021Date of Patent: January 30, 2024Assignee: Black Sesame Technologies Inc.Inventors: Zilong Hu, Lei Zhang, Qun Gu
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Publication number: 20230230636Abstract: The present disclosure relates to methods of writing data in nucleic acid chains and methods of reading data written in nucleic acid chains. The present disclosure also relates to a kit for writing and reading data in nucleic acid chains.Type: ApplicationFiled: May 14, 2021Publication date: July 20, 2023Inventors: Li-Qun GU, Kai TIAN
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Patent number: 11625607Abstract: A method of pruning a convolutional neural network, comprising at least one of determining a number of channels (N) between a network input and a network output, constructing N lookup tables, each lookup table matched to a respective channel and pruning filters in the convolutional neural network to create a shortcut between the network input and the network output based on the N lookup tables.Type: GrantFiled: February 27, 2019Date of Patent: April 11, 2023Assignee: BLACK SESAME TECHNOLOGIES INC.Inventors: Zuoguan Wang, Yilin Song, Qun Gu
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Publication number: 20230069436Abstract: A method of age and gender estimation, comprising receiving an input image, detecting a facial image within the input image, estimating a head pose based on a set of facial image intensities of the facial image, wherein the head pose is expressed as a yaw, a pitch and a roll, determining whether the yaw, the pitch and the roll of the head pose is less than a predetermined threshold, aligning the facial image if the yaw, the pitch and the roll of the head pose are less than the predetermined threshold and predicting an age and a gender of the aligned facial image.Type: ApplicationFiled: August 31, 2021Publication date: March 2, 2023Inventors: Meng Meng, Lei Zhang, Qun Gu
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Publication number: 20230067442Abstract: A method of human pose estimation, including, receiving an image frame, extracting in at least a first stage a first stage image feature based on the image frame, extracting in at least a second stage a second stage image feature based on the first stage image feature, extracting in at least a subsequent stage a subsequent stage image feature based on the second stage image feature, up-sampling the subsequent stage image feature, up-sampling the second stage image feature, concatenating the first stage image feature, the up-sampled second stage image feature and the up-sampled subsequent stage image feature and outputting a feature map based on an output of the concatenation.Type: ApplicationFiled: August 31, 2021Publication date: March 2, 2023Inventors: Xiaomin Liu, Lei Zhang, Qun Gu
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Patent number: 11544009Abstract: A system on a chip, including a first domain having a first processor, a first local memory coupled to the first processor, wherein the first local memory having a first memory format and a first sub-network coupled to the first processor, a second domain having a second processor, a second local memory coupled to the second processor and a second sub-network coupled to the second processor, wherein the second local memory having a second memory format which differs from the first memory format, a multi-tier network coupled to the first sub-network and the second sub-network, a global memory coupled to the multi-tier network and a multi-port DDR controller coupled to the global memory to receive, transmit and share the first local memory having the first memory format and the second local memory having the second memory format based on a predetermined criteria.Type: GrantFiled: May 10, 2021Date of Patent: January 3, 2023Assignee: Black Sesame Technologies Inc.Inventors: Zheng Qi, Qun Gu, Chengyu Xiong
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Publication number: 20220405515Abstract: A method of hybrid lane modeling, including, receiving a roadway image, extracting a set of lane points from the roadway image, fitting a polynomial line to the set of lane points, determining a fitted error of the fitted polynomial line, outputting the polynomial line if the fitted error is less than a predetermined threshold, selecting a set of clean lane points from the set of lane points if the fitted error is greater than the predetermined threshold and interpolating a cubic spline line to the set of clean lane points.Type: ApplicationFiled: June 16, 2021Publication date: December 22, 2022Inventors: Liying Liu, Zuoguan Wang, Qun Gu
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Patent number: 11507823Abstract: A method of adaptive quantization for a convolutional neural network, includes at least one of receiving an acceptable model accuracy, determining a float value multiply accumulate for the layer based on a float value weight and a float value input, quantizing the float value weight at multiple weight quantization precisions, quantizing the float value input at multiple input quantization precisions, determining a multiply accumulate at multiple multiply accumulate quantization precisions based on the weight quantization precisions and the input quantization precisions, determining multiple quantization errors based on differences between the float value multiply accumulate and the multiple multiply accumulate quantization precisions and selecting one of the multiple weight quantization precisions, one of the multiple input quantization precisions and one of the multiple multiply accumulate quantization precisions based on the predetermined acceptable model accuracy and the multiple quantization errors.Type: GrantFiled: April 10, 2019Date of Patent: November 22, 2022Assignee: Black Sesame Technologies Inc.Inventors: Zuoguan Wang, Tian Zhou, Qun Gu
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Publication number: 20220333164Abstract: Provided herein are probes in which an Ap site of a probe strand can selectively cross-link with a 2?-deoxyguanosine (dG) of a target strand. Also provided for are methods of using such probes to generate and detect crosslinked molecules and methods of detecting disease associated genetic mutations.Type: ApplicationFiled: August 10, 2020Publication date: October 20, 2022Inventors: Kent Gates, Li-Qun Gu, Maryam Imani Nejad, Xu Guo
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Publication number: 20220284229Abstract: A method of face anti-spoofing, comprising, receiving a near infra-red facial image, having a near infrared channel, receiving a red-green-blue facial image, having a red channel, a green channel and a blue channel, generating a synthetic three channel image based on the near infrared channel, the red channel, the green channel and the blue channel and training a deep neural network based on the synthetic three channel image.Type: ApplicationFiled: March 4, 2021Publication date: September 8, 2022Inventors: Xiaomin Liu, Lei Zhang, Qun Gu, Zilong Hu
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Publication number: 20220245388Abstract: A method of describing a temporal event, including receiving a video sequence of the temporal event, extracting at least one physical characteristic of an at least one occupant within the video sequence, extracting at least one action of the at least one occupant within the video sequence, extracting at least one interaction of the at least one occupant with a secondary occupant within the video sequence, determining a safety level of the temporal event within a vehicle based on at least one of the at least one action and the at least one interaction and describing the at least one physical characteristic of the at least one occupant and at least one of the at least one action and the at least one interaction of the at least one occupant.Type: ApplicationFiled: February 2, 2021Publication date: August 4, 2022Inventors: Zilong Hu, Lei Zhang, Qun Gu
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Publication number: 20220114413Abstract: An example fused convolutional layer, comprising, a comparator capable of reception of a first zero point and a multiply-accumulation result, a first multiplexer coupled to the comparator, wherein the first multiplexer receives a plurality of power-of-two exponent values, a shift normalizer, coupled to the first multiplexer, wherein the shift normalizer is capable of receiving the multiply-accumulation result and the plurality of power-of-two exponent values, wherein the shift normalizer limits a quantization of the multiply-accumulation result to a power-of-two scale and a second multiplexer coupled to an output of the shift normalizer, the first multiplexer and receives a second zero point and outputs an activation.Type: ApplicationFiled: October 12, 2020Publication date: April 14, 2022Inventors: Zheng Qi, Qun Gu, Zheng Li, Chenghao Zhang, Tian Zhou, Zuoguan Wang
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Publication number: 20210303216Abstract: A system on a chip, including a first domain having a first processor, a first local memory coupled to the first processor, wherein the first local memory having a first memory format and a first sub-network coupled to the first processor, a second domain having a second processor, a second local memory coupled to the second processor and a second sub-network coupled to the second processor, wherein the second local memory having a second memory format which differs from the first memory format, a multi-tier network coupled to the first sub-network and the second sub-network, a global memory coupled to the multi-tier network and a multi-port DDR controller coupled to the global memory to receive, transmit and share the first local memory having the first memory format and the second local memory having the second memory format based on a predetermined criteria.Type: ApplicationFiled: May 10, 2021Publication date: September 30, 2021Inventors: Zheng Qi, Qun Gu, Chengyu Xiong
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Patent number: 11044797Abstract: Method of and device for commissioning a lighting system including a plurality of lighting fixtures positioned at a plurality of physical locations. The lighting fixtures are mapped to a respective physical location using signals generated by the lighting fixtures and received at multiple detection locations by at least one or more detecting devices integrated with or external to the lighting fixtures. In particular, the method applies a probability-based algorithm to distances from the physical locations to multiple detection locations, and RSSI levels of signals received at the detection locations to determine a probability of having a respective lighting fixture located at a respective physical location. The method provides for commissioning the lighting system without traversing all the physical locations of lighting fixtures, resulting in a reduction of both work load for conducting the commissioning of the lighting system and processing power required for the commissioning.Type: GrantFiled: December 10, 2019Date of Patent: June 22, 2021Assignee: SIGNIFY HOLDING B.V.Inventors: Qun Gu, Gong Ming Wei, Lei Feng
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Patent number: 11034996Abstract: Disclosed herein is a method of covalently crosslinking DNA strands. In certain aspects, the method comprises incubating a hybridized, double-stranded DNA polynucleotide (dsDNA), comprising a probe strand that comprises an abasic (Ap) residue and an at least partially complementary target strand that comprises a 2?-deoxyadenosine (dA) residue, wherein incubation occurs under conditions that allow for a covalent crosslinking reaction to occur between the Ap residue in the probe strand and the dA residue in the target strand.Type: GrantFiled: February 28, 2019Date of Patent: June 15, 2021Assignee: The Curators of the University of MissouriInventors: Kent Gates, Li-Qun Gu, Maryam Imani Nejad, Ruicheng Shi, Xinyue Zhang
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Publication number: 20210097393Abstract: A method of pruning a convolutional neural network, comprising at least one of determining a number of channels (N) between a network input and a network output, constructing N lookup tables, each lookup table matched to a respective channel and pruning filters in the convolutional neural network to create a shortcut between the network input and the network output based on the N lookup tables.Type: ApplicationFiled: February 27, 2019Publication date: April 1, 2021Inventors: Zuoguan Wang, Yilin Song, Qun Gu
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Patent number: 10943132Abstract: A method of distant on-road object detection, comprising, capturing an initial frame of a roadway lane in a direction of travel, detecting lane edges in the initial frame, capturing a subsequent frame of the roadway lane, cropping the subsequent frame based on the detected lane edges of the initial frame resulting in an image patch, detecting an image patch object within the image patch, down-sampling the subsequent frame, detecting a down-sampled object within the down-sampled subsequent frame and merging the detections within the image patch and the detections within the down-sampled subsequent frame.Type: GrantFiled: April 10, 2019Date of Patent: March 9, 2021Assignee: Black Sesame International Holding LimitedInventors: Zuoguan Wang, Qun Gu, Jizhang Shan
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Patent number: 10867192Abstract: A method of parking lot tracking including receiving a plurality of camera images from a plurality of cameras attached to a vehicle in motion, stitching the plurality of camera images to simulate a surround view of the vehicle, recognizing at least one potential parking space within the surround view of the vehicle, estimating a motion parameter by camera motion estimation of the plurality of cameras and tracking the at least one potential parking space based on the motion parameter.Type: GrantFiled: August 6, 2019Date of Patent: December 15, 2020Assignee: Black Sesame International Holding LimitedInventors: Yilin Song, Zuoguan Wang, Qun Gu
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Publication number: 20200327339Abstract: A method of distant on-road object detection, comprising, capturing an initial frame of a roadway lane in a direction of travel, detecting lane edges in the initial frame, capturing a subsequent frame of the roadway lane, cropping the subsequent frame based on the detected lane edges of the initial frame resulting in an image patch, detecting an image patch object within the image patch, down-sampling the subsequent frame, detecting a down-sampled object within the down-sampled subsequent frame and merging the detections within the image patch and the detections within the down-sampled subsequent frame.Type: ApplicationFiled: April 10, 2019Publication date: October 15, 2020Inventors: Zuoguan Wang, Qun Gu, Jizhang Shan