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公开(公告)号:EP3767520A1
公开(公告)日:2021-01-20
申请号:EP18889968.6
申请日:2018-11-05
发明人: CHU, Minglei , ZHANG, Hao , CHEN, Lili , LIN, Lin , XUE, Hongzhen , SUN, Jiankang , YAN, Guixin
摘要: There are provided in the present disclosure an image processing method, apparatus, device and medium for locating a center of a target object region. The image processing method includes: acquiring a binary image including the target object region; extracting a boundary line of the target object region from the binary image, wherein the boundary line includes a plurality of boundary points; selecting one of the plurality of boundary points as an initiation point, and determining a first connected region, wherein a starting point of the first connected region is the initiation point; determining the center of the target object region based on the first connected region.
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公开(公告)号:EP3806039A1
公开(公告)日:2021-04-14
申请号:EP19810834.2
申请日:2019-03-29
发明人: DONG, Zehua , ZHANG, Hao , CHEN, Lili , CHU, Minglei , SUN, Jiankang , GUO, Ziqiang , MA, Zhanshan , LIU, Bingxin
IPC分类号: G06T7/73
摘要: A spatial positioning method, device and system, and a computer-readable medium, the method comprising: acquiring a feature image comprising a plurality of feature marks of an object to be positioned, at least one surface of the object to be positioned having a plurality of feature marks, and the feature marks of the respective surfaces forming different geometrical shapes (S101); determining the coordinate position of each feature mark in the feature image in an image coordinate system (S102); according to a plurality of preset standard vector relationships, traversing each feature mark in the image coordinate system, and arbitrarily selecting at least three feature marks therein to perform a vector relationship calculation corresponding to a standard vector relationship (S103); and when it is determined that the calculated vector relationship satisfies an arbitrary standard vector relationship, determining position information of the at least three feature marks according to the position information corresponding to the standard vector relationship in the image coordinate system (S104).
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公开(公告)号:EP3806029A1
公开(公告)日:2021-04-14
申请号:EP19812362.2
申请日:2019-01-28
发明人: CHU, Minglei , ZHANG, Hao , CHEN, Lili , WANG, Chenru , LIU, Yali , SUN, Yukun , YAN, Guixin , MA, Zhanshan , GUO, Ziqiang , DONG, Zehua , LIU, Bingxin
IPC分类号: G06T5/00
摘要: Disclosed are an image processing method and device used for an electronic device comprising a lens unit and a virtual reality display device. The image processing method comprises: determining the size of an image to be cached according to the size of an input image and anti-distortion parameters of a lens unit (S501); and generating an anti-distortion cache image having said image size on the basis of the input image and the anti-distortion parameters according to the size of the image to be cached (S502), wherein generating an anti-distortion cache image having said image size comprises: selecting a row of pixels from the input image and performing an anti-distortion operation on the row of pixels, the anti-distortion operation comprising determining pixel data corresponding to the anti-distortion image of the row of pixels according to the anti-distortion parameters, and writing pixel data of the anti-distortion image into the anti-distortion cache image.
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4.
公开(公告)号:EP4276809A1
公开(公告)日:2023-11-15
申请号:EP22845162.1
申请日:2022-07-08
发明人: SHI, Tiankuo , DUAN, Xin , CHU, Minglei , SUN, Wei , ZHANG, Xiaomang , ZHANG, Shuo , JI, Zhihua , SUN, Yan , DONG, Xue
IPC分类号: G09G3/20
摘要: A display method of a display panel and a display control device thereof, and a display device. The display method comprises: acquiring multiple frames of images to be displayed, one frame of two adjacent frames of the images to be displayed being an image in an odd-numbered row, the other frame being an image in an even-numbered row, the resolution of the image in the odd-numbered row being M*(a*N), the resolution of the image in the even-numbered row being M*(a*N) or (M-1)*(a*N), and a being 1 or 2; and causing an odd-numbered display group to display the image in the odd-numbered row, and causing an even-numbered display group to display the image in the even-numbered row, the odd-numbered display group comprising M*(a*N) odd-numbered display units, the even-numbered display group comprising (M-1)*(a*N) even-numbered display units, the odd-numbered display unit in the i-th row comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel in a pixel unit in the i-th row, and the even-numbered display unit in the j-th row comprising a second sub-pixel and a third sub-pixel in a pixel unit in the j-th row, and a first sub-pixel and a second sub-pixel in a pixel unit in the (j+1)-th row.
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公开(公告)号:EP4149110A1
公开(公告)日:2023-03-15
申请号:EP21920343.7
申请日:2021-01-25
发明人: SUN, Yan , CHU, Minglei , SHI, Tiankuo , XI, Yanhui , JI, Zhihua , HOU, Yifan , ZHAO, Chenxi , ZHANG, Shuo , PENG, Xiangjun , ZHANG, Xiaomang , SUN, Wei
IPC分类号: H04N13/00
摘要: The present disclosure provides a virtual viewpoint synthesis method, including: pre-processing a depth image with zero parallax corresponding to an original image to obtain a processed depth image; generating virtual viewpoint images corresponding to a plurality of virtual viewpoints respectively according to the processed depth image and the original image; and filling holes in the virtual viewpoint image to generate a plurality of filled virtual viewpoint images. The present disclosure further provides an electronic apparatus and a computer-readable medium.
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公开(公告)号:EP3651457A1
公开(公告)日:2020-05-13
申请号:EP18788993.6
申请日:2018-02-01
发明人: ZHANG, Hao , CHEN, Lili , CHU, Minglei , SUN, Jiankang , YAN, Guixin , GUO, Ziqiang , WANG, Yakun , TIAN, Wenhong , MA, Zhanshan
IPC分类号: H04N13/00
摘要: An interpupillary distance measuring method (100), a wearable ophthalmic device (600) and a computer readable storage medium are provided. The method (100) includes: capturing at least one eye image; extracting corresponding one or two pupil image positions corresponding to a monocular pupil or pupils to two eyes in the at least one eye image; and determining an actual distance between the pupils of two eyes according to the one or two pupil image positions.
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7.
公开(公告)号:EP4276806A1
公开(公告)日:2023-11-15
申请号:EP21954635.5
申请日:2021-08-27
发明人: WANG, Tieshi , PENG, Kuanjun , DONG, Xue , ZHOU, Chunmiao , HONG, Tao , ZHANG, Hui , DUAN, Xin , CHU, Minglei , CHEN, Xiaochuan , YUAN, Guangcai , YU, Jing
IPC分类号: G09G3/00
摘要: Provided in the embodiments of the present disclosure are a display panel, a display apparatus and a driving method therefor, and an image rendering method. The display panel comprises: a first base substrate; a plurality of scanning lines, which are located on one side of the first base substrate, extend in a first direction and are arranged in a second direction, wherein the first direction intersects with the second direction; a plurality of data lines, which are located on the same side of the first base substrate as the scanning lines, extend in the second direction and are arranged in the first direction; and a plurality of sub-pixels, which are respectively located in regions divided by the plurality of scanning lines and the plurality of data lines, wherein the plurality of sub-pixels constitute a plurality of pixel islands, the plurality of pixel islands are dived into a plurality of control regions, each control region comprises at least one pixel island, and each control region is independently driven to emit light.
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