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21.发明公开公开(公告)号：US20240233313A1
公开(公告)日：2024-07-11
申请号：US17928087
申请日：2021-10-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ran Duan , Guannan Chen
CPC classification number: G06V10/44 , G06T5/20 , G06T5/73 , G06T7/11 , G06T7/13 , G06V10/771 , G06V10/806
Abstract: A model training method includes: acquiring a sample set, wherein samples in the sample set include a blurred image and a sharp image of a same fingerprint; inputting the blurred image into a convolutional neural network, performing, by an encoding network in the convolutional neural network, down-sampling and feature extraction to the blurred image, to output a plurality of feature maps, and performing, by a decoding network in the convolutional neural network, up-sampling and feature extraction to the feature maps, to output a predicted image corresponding to the blurred image; according to the predicted image, the sharp image and a predetermined loss function, calculating a loss value of the convolutional neural network, and, with minimizing the loss value as a target, adjusting parameters of the convolutional neural network; and determining the convolutional neural network of which the parameters are adjusted to be an image processing model.
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公开(公告)号：US11954394B2
公开(公告)日：2024-04-09
申请号：US17690447
申请日：2022-03-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ran Duan
IPC: G06F3/14 , G06F3/0484 , G06F3/147
CPC classification number: G06F3/1407 , G06F3/0484 , G06F3/147 , G06F2203/04803
Abstract: The present disclosure provides a splicing screen and a control method and system thereof. The splicing screen includes a display panel. A communication unit is configured to receive display data and receive a ready command sent by a slave splicing screen of the splicing screen; a control unit is configured to control, in response to determining that the splicing screen is ready and receiving the ready command, the communication unit to send a specified play command to the slave splicing screen, where the specified play command instructs to play a specified play frame in the display data at a specified play moment; and control the display panel to display the specified play frame at the specified play moment.
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23.发明授权公开(公告)号：US11587274B2
公开(公告)日：2023-02-21
申请号：US17515178
申请日：2021-10-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xitong Ma , Lihua Geng , Ran Duan
Abstract: A time code display system comprising: a video receiver configured for receiving a plurality of non-homologous video signals; a time code parser connected with the video receiver and configured for extracting time code data of each video frame from each video signal; a write controller and a buffer, the write controller being connected with the video receiver and the time code parser; a synchronous clock component configured for generating a local clock signal according to a channel associated clock signal of any video signal; and a read controller and a display, the read controller being connected with the synchronous clock component and the buffer and configured for reading out the video frame of each video signal and the time code data corresponding to the video frame from the buffer at the same time, according to the local clock signal.
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公开(公告)号：US20210227266A1
公开(公告)日：2021-07-22
申请号：US16305189
申请日：2018-04-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhiguo Zhang , Ran Duan
IPC: H04N21/2343 , H04N21/2183 , H04N21/4402
Abstract: The present disclosure relates to a video transmission method, apparatus and computer-readable storage medium in the field of video play. The method includes: acquiring a first video frame and a second video frame of a video to be transmitted; acquiring difference information of the second video frame relative to the first video frame; and sending the difference information to a video receiving apparatus, the difference information being used for instructing the video receiving apparatus to generate the second video frame based on the difference information and the first video frame after receiving the first video frame. The needed bandwidth is small in the video transmission method of the present disclosure, the video transmission may not be restricted by the distance, and thus video transmission has a high flexibility.
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公开(公告)号：US10803332B2
公开(公告)日：2020-10-13
申请号：US16288559
申请日：2019-02-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ran Duan
Abstract: The present disclosure provides a traffic sign detection method, apparatus, system and medium. The method includes: determining geographic location information of a to-be-detected traffic sign; sending a request message for requesting for obtaining sign formation of the traffic sign, where the request message includes the geographic location information; and receiving the sign formation of the traffic sign corresponding to the geographic location information.
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Patent Agency Ranking
公开(公告)号：US20200313843A1
公开(公告)日：2020-10-01
申请号：US16555467
申请日：2019-08-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xitong Ma , Ran Duan , Lihua Geng , Yanfu Li
Abstract: The present disclosure provides a data transmission method, includes: multiplying a frequency of a basic clock, so as to obtain a frequency-multiplied clock, in which a maximum number of high levels in the frequency-multiplied clock is greater than a maximum numerical value that the bit number can represent; removing an invalid bit width from the data to be transmitted, and determining a bit number of an effective bit width thereof and a numerical value represented by the effective bit width; determining a data period, according to the bit number of the effective bit width in the data to be transmitted; determining an actual number of high levels, according to a numerical value represented by the effective bit width in the data to be transmitted; and transmitting the data to be transmitted based on the frequency-multiplied clock, according to the data period and the actual number of the high levels.
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公开(公告)号：US10511910B2
公开(公告)日：2019-12-17
申请号：US16021610
申请日：2018-06-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xitong Ma , Ran Duan , Lihua Geng
Abstract: The present disclosure provides a smart headphone. The smart headphone includes a sensor configured to sense external information, a memory configured to store feature information, and a controller operatively connected to the sensor and the memory, respectively, and the controller is configured to compare the external information sensed by the sensor with the feature information stored in the memory, and to control a playback state of audio information in the smart headphone according to the result of the comparison.
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公开(公告)号：US10311806B2
公开(公告)日：2019-06-04
申请号：US15105555
申请日：2015-09-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure provides an image processing method and system. The method may include: acquiring an image to be displayed; determining a distance between a display device and a user; comparing the determined distance with a plurality of optimum watching distances respectively, wherein the optimum watching distances are acceptable shortest distances corresponding to different resolutions for the display device when the user watches images displayed on the display device in a full vision under a vision limit; and processing the acquired image for displaying, according to a result of the comparing.
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公开(公告)号：US20190012772A1
公开(公告)日：2019-01-10
申请号：US15745032
申请日：2017-07-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pablo Navarrete Michelini , Han Yan , Ran Duan
Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.
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公开(公告)号：US10156451B2
公开(公告)日：2018-12-18
申请号：US15808989
申请日：2017-11-10
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiao Zhang , Ran Duan , Fan Yang
Abstract: The present disclosure provides method and device of establishing a navigation route. The method includes: acquiring a user's current position and a destination for the user; and establishing a navigation route between the current position and the destination according to user information and destination information, the user information including the type and/or a current speed of the user, the destination information including the number of people and/or an estimated visit duration at the destination, the destination including ones, at which the user has not yet arrived, of recommended sightseeing spots and/or user-interested sightseeing spots.
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