Patents by Inventor Minghao Liu
Minghao Liu 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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Publication number: 20210209739Abstract: The present disclosure provides a battery detection method and a battery detection device. The method includes: obtaining a picture of each battery on a battery production line, and obtaining a corresponding production node; inputting the picture into a preset defect detection model, and obtaining a detection result output by the defect detection model, and when the detection result denotes that there is the defect on the picture, sending a control instruction to a control device of the production node corresponding to the picture, to cause the control device to shunt the battery corresponding to the picture having the defect based on the control instruction. The detection result includes whether there is a defect, a defect type, and a defect position.Type: ApplicationFiled: June 27, 2019Publication date: July 8, 2021Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Huihui XIAO, Jiangliang GUO, Xu LI
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Publication number: 20210081729Abstract: The present application discloses a method for image text recognition, an apparatus, a device, and a storage medium, and relates to image processing technologies in the field of cloud computing. A specific implementation is: acquiring an image to be processed, where at least one text line exists in the image to be processed; processing each text line in the image to be processed to obtain a composite encoded vector corresponding to each word in each text line, where the composite encoded vector carries semantic information and position information; and determining a text recognition result of the image to be processed according to the semantic information and the position information carried in the composite encoded vector corresponding to each word in each text line. This technical solution can accurately distinguish adjacent fields with small pixel spacing in the image and improve the accuracy of text recognition in the image.Type: ApplicationFiled: August 4, 2020Publication date: March 18, 2021Inventors: Xiangkai HUANG, Leyi WANG, Lei NIE, Siyu AN, Minghao LIU, Jiangliang GUO
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Publication number: 20210073973Abstract: Provided are a method and an apparatus for component fault detection based on an image, and a specific implementation is: when it is determined that an image shot by an image pickup apparatus for a component to be tested with a first shooting parameter does not meet a preset condition, adjusting the first shooting parameter to a second shooting parameter; controlling the image pickup apparatus to shoot for the component to be tested with the second shooting parameter to obtain a first image that meets the preset condition; and performing fault detection on the component to be tested according to the first image. The image pickup apparatus can be adjusted in real time, so that the image can be used for fault detection only when meeting the preset condition, thereby the image is kept stable, and the accuracy rate of component fault identification based on an image is improved.Type: ApplicationFiled: May 11, 2020Publication date: March 11, 2021Inventors: Jianfa ZOU, Ye SU, Minghao LIU, Lei NIE, Jiabing LENG, Yawei WEN, Tehui HUANG, Yulin XU, Jiangliang GUO, Xu LI
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Publication number: 20200380899Abstract: The method and apparatus for detecting a peripheral circuit of a display screen provided by the present disclosure receive a quality detection request sent by a console deployed on a production line of the peripheral circuit of the display screen, where the quality detection request includes a peripheral circuit image of the display screen captured by an image capturing device on the production line of the peripheral circuit of the display screen; zoom in or out on the peripheral circuit image of the display screen to obtain an image to be detected a size of which is consistent with an input size requirement of a defect detection model; input the image to be detected into the defect detection model to obtain a defect detection result; and determine quality of the peripheral circuit of the display screen according to the defect detection result.Type: ApplicationFiled: August 18, 2020Publication date: December 3, 2020Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Yulin XU, Jiangliang GUO, Xu LI
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Publication number: 20200357109Abstract: Provided are a method for detecting display screen quality, an apparatus, an electronic device and a storage medium. The method includes: receiving a quality detection request sent by a console deployed on a display screen production line, the quality detection request including a display screen image collected by an image collecting device on the display screen production line; inputting the display screen image into a defect detection model to obtain a defect detection result, the defect detection model being obtained by training historical defective display screen images using a structure of deep convolutional neural networks and an object detection algorithm; and determining, according to the defect detection result, a defect on a display screen corresponding to the display screen image, a defect category corresponding to the defect, and a position corresponding to the defect.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Yulin XU, Jiangliang GUO, Xu LI
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Publication number: 20200355627Abstract: The disclosure provides a method for detecting a display screen peripheral circuit, by receiving a quality detection request sent by a console deployed on a production line of the display screen peripheral circuit, where the quality detection request includes an image of the display screen peripheral circuit captured by an image capturing device on the production line of the display screen peripheral circuit; enlarging or reducing the image of the display screen peripheral circuit to obtain an image to be detected, where the defect detection model is obtained by using a historical image of a defective display screen peripheral circuit to perform object detection FAST RCNN algorithm training; inputting the image to be detected into the defect detection model to obtain a defect detection result; and determining, according to the defect detection result, quality of a display screen peripheral circuit corresponding to the image of the display screen peripheral circuit.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Yulin XU, Jiangliang GUO, Xu LI
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Publication number: 20200349875Abstract: The present disclosure provides a display screen quality detection method, an apparatus, an electronic device and a storage medium, where the method comprises: receiving a quality detection request sent by a console deployed on a display screen production line, where the quality detection request includes a display screen image captured by an image capturing device on the display screen production line, performing image preprocessing on the display screen image, and inputting the preprocessed display screen image into a defect detection model to obtain a defect detection result, where the defect detection model is obtained by training with a historical defect display screen image using a deep convolutional neural network structure and an instance segmentation algorithm, determining, according to the defect detection result, quality of a display screen corresponding to the display screen image.Type: ApplicationFiled: July 23, 2020Publication date: November 5, 2020Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Yulin XU, Jiangliang GUO, Xu LI
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Publication number: 20200294222Abstract: Embodiments of the present disclosure relate to a method and apparatus for outputting information. The method can include: acquiring an image of a to-be-inspected object; segmenting the image into at least one subimage; for a subimage in the at least one subimage, inputting the subimage into a pre-trained defect classification model to obtain a defect category corresponding to the subimage; and outputting defect information of the object based on a defect category corresponding to each subimage.Type: ApplicationFiled: October 28, 2019Publication date: September 17, 2020Inventors: Yawei WEN, Jiabing Leng, Chengcheng Wang, Ye Su, Minghao Liu, Yulin Xu, Jiangliang Guo, Xu Li
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Patent number: 10769774Abstract: The application provides a method and a device for detecting a defect in a steel plate, as well as an apparatus and a server therefor. The method for detecting a defect in a steel plate comprises: receiving image data of the steel plate, and generating a defect detection request according to the image data; monitoring computing loads of a plurality of servers, and sending the image data and the defect detection request to a first server; receiving, from the first server, a detection result obtained by calculating the image data using the detection model; and operating according to the detection result, wherein the detection result comprises a selected one of a pass result and a defect result. With the proposed method, the position and the classification of the at least one defect can be obtained, so that the detection accuracy is improved.Type: GrantFiled: October 19, 2018Date of Patent: September 8, 2020Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.Inventors: Jiabing Leng, Minghao Liu, Yang Liang, Yawei Wen, Faen Zhang, Jiangliang Guo, Jin Tang, Shiming Yin
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Publication number: 20200175673Abstract: Embodiments of the present disclosure provide a method and a device for detecting defect of a meal box, a server, a device, and a storage medium. The method includes: receiving a detection request including an image of the meal box sent by a user terminal, the image of the meal box being obtained by an image acquirer of the user terminal; and performing defect recognition based on the image of the meal box and a defect detection model in response to the detection request.Type: ApplicationFiled: November 27, 2019Publication date: June 4, 2020Inventors: Yawei Wen, Jiabing Leng, Minghao Liu, Yulin Xu, Jiangliang Guo, Xu Li
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Publication number: 20200097815Abstract: Embodiments of the present disclosure disclose a method and apparatus for predicting a passenger flow. A specific implementation of the method includes: acquiring, based on a received prediction request for a passenger flow value of a target traffic route in a preset time period, route information of the target traffic route and a passenger flow sequence corresponding to a preset number of consecutive time periods before a current time; encoding the route information to generate encoded route information; and inputting the encoded route information and the passenger flow sequence into a pre-trained passenger flow prediction model to obtain a passenger flow prediction value of the target traffic route in the preset time period, the passenger flow prediction model being used to represent a corresponding relationship between both the encoded route information and the passenger flow sequence and the passenger flow prediction value of the target traffic route.Type: ApplicationFiled: June 27, 2019Publication date: March 26, 2020Inventors: Yaobo HUANG, Minghao LIU, Siyu AN, Jiangliang GUO
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Publication number: 20200082199Abstract: Embodiments of the present disclosure provides a method and apparatus for inspecting burrs of an electrode slice. The method may include: acquiring a to-be-inspected electrode slice image; and inputting the to-be-inspected electrode slice image into a pre-trained burr instance segmentation model to obtain inspection result for characterizing whether the electrode slice displayed in the to-be-inspected electrode slice image has burrs and contour of the burrs, where the burr instance segmentation model is used to characterize the corresponding relationship between the electrode slice image and the inspection result and contour information. The method may further include: and outputting, in response to the inspection result for characterizing that the electrode slice displayed in the to-be-inspected electrode slice image has burrs, prompt information for characterizing that the electrode slice displayed in the to-be-inspected electrode slice image has burrs.Type: ApplicationFiled: November 14, 2019Publication date: March 12, 2020Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Jiangliang GUO, Xu LI
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Publication number: 20190362490Abstract: A method and an apparatus for inspecting a corrosion defect of a ladle are provided. The method includes: acquiring images from various angles using an image acquisition apparatus inside a to-be-inspected ladle; and inputting the acquired images into a defect inspection system to obtain a label representing a defect category, the defect inspection system including: a deep convolutional neural network that predicts a category of a corrosion defect of the ladle included in the images based on the input images. This method has the advantages of high safety, high accuracy and high real-time performance in inspecting the ladle status.Type: ApplicationFiled: March 12, 2019Publication date: November 28, 2019Inventors: Yawei WEN, Jiabing LENG, Minghao LIU, Yulin XU, Faen ZHANG, Jiangliang GUO, Xu LI, Jin TANG
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Publication number: 20190253760Abstract: Embodiments of the present disclosure disclose a method and apparatus for recommending a video. A specific implementation of the method includes: finding a recommended video corresponding to a target video from all candidate videos based on similarities of content characteristics of the videos, the target video being a video to be played on a terminal of a user; and sending play information of the recommended video corresponding to the target video to the terminal of the user. The method finds a video similar on video content to the target video that the user desires to view based on the content characteristic of the video, and recommends the video similar on video content to the target video that the user desires to view to the user.Type: ApplicationFiled: January 23, 2019Publication date: August 15, 2019Inventors: Hang JIANG, Minghao LIU, Yang LIANG, Shuangshuang QIAO, Siyu AN, Kaihua SONG, Xiangyue LIN, Hua CHAI, Faen ZHANG, Jiangliang GUO, Jingbo HUANG, Xu LI, Jin TANG, Shiming YIN
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Publication number: 20190213734Abstract: The application provides a method and a device for detecting a defect in a steel plate, as well as an apparatus and a server therefor. The method for detecting a defect in a steel plate comprises: receiving image data of the steel plate, and generating a defect detection request according to the image data; monitoring computing loads of a plurality of servers, and sending the image data and the defect detection request to a first server; receiving, from the first server, a detection result obtained by calculating the image data using the detection model; and operating according to the detection result, wherein the detection result comprises a selected one of a pass result and a defect result. With the proposed method, the position and the classification of the at least one defect can be obtained, so that the detection accuracy is improved.Type: ApplicationFiled: October 19, 2018Publication date: July 11, 2019Inventors: Jiabing Leng, Minghao Liu, Yang Liang, Yawei Wen, Faen Zhang, Jiangliang Guo, Jin Tang, Shiming Yin
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Patent number: 8229968Abstract: Embodiments for caching and accessing Directed Acyclic Graph (DAG) data to and from a computing device of a DAG distributed execution engine during the processing of an iterative algorithm. In accordance with one embodiment, a method includes processing a first subgraph of the plurality of subgraphs from the distributed storage system in the computing device. The first subgraph being processed with associated input values in the computing device to generate first output values in an iteration. The method further includes storing a second subgraph in a cache of the device. The second subgraph being a duplicate of the first subgraph. Moreover, the method also includes processing the second subgraph with the first output values to generate second output values if the device is to process the first subgraph in each of one or more subsequent iterations.Type: GrantFiled: March 26, 2008Date of Patent: July 24, 2012Assignee: Microsoft CorporationInventors: Taifeng Wang, Tie-Yan Liu, Minghao Liu, Zhi Chen
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Publication number: 20090249004Abstract: Embodiments for caching and accessing Directed Acyclic Graph (DAG) data to and from a computing device of a DAG distributed execution engine during the processing of an iterative algorithm. In accordance with one embodiment, a method includes processing a first subgraph of the plurality of subgraphs from the distributed storage system in the computing device. The first subgraph being processed with associated input values in the computing device to generate first output values in an iteration. The method further includes storing a second subgraph in a cache of the device. The second subgraph being a duplicate of the first subgraph. Moreover, the method also includes processing the second subgraph with the first output values to generate second output values if the device is to process the first subgraph in each of one or more subsequent iterations.Type: ApplicationFiled: March 26, 2008Publication date: October 1, 2009Applicant: MICROSOFT CORPORATIONInventors: Taifeng Wang, Tie-Yan Liu, Minghao Liu, Zhi Chen