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21.发明授权公开(公告)号：US11205070B2
公开(公告)日：2021-12-21
申请号：US16634227
申请日：2019-05-31
Inventor： Yachong Xue , Hao Zhang , Lili Chen , Jiankang Sun , Minglei Chu , Huidong He , Shuo Zhang , Gang Li , Xiangjun Peng , Chenxi Zhao , Yaoyu Lv
Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for positioning a gaze point. The method for obtaining a gaze point in a display device may comprise capturing a real time eye image, obtaining a real time pupil center point from the real time eye image, determining a gaze target zone based on the real time pupil center point and obtaining a gaze point on a target screen generated by the display device based on the real time pupil center point and a mapping ratio for the gaze target zone.
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公开(公告)号：US20210358200A1
公开(公告)日：2021-11-18
申请号：US16335350
申请日：2018-09-06
Inventor： Xuefeng Wang , Yukun Sun , Bin Zhao , Lixin Wang , Xi Li , Jianwen Suo , Wenyu Li , Qingwen Fan , Jinbao Peng , Yuanjie Lu , Yali Liu , Chenru Wang , Jiankang Sun , Hao Zhang , Lili Chen , Jinghua Miao
IPC: G06T15/20 , G06T15/00 , H04N13/383 , H04N13/344
Abstract: The present disclosure relates to an image rendering method for a computer product coupled to a display apparatus. The image rendering method may include rendering an entire display region of the display apparatus with a first rendering mode to generate a first rendering mode sample image, determining a target region in the entire display region, rendering the target region with a second rendering mode to generate a second rendering mode sample image, and transmitting data of the first rendering mode sample image and the second rendering mode sample image. The second rendering mode comprises at least a value of an image rendering feature that is higher than that of the first rendering mode.
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公开(公告)号：US20210333868A1
公开(公告)日：2021-10-28
申请号：US16336593
申请日：2018-08-23
Inventor： Jiankang Sun , Hao Zhang , Lili Chen , Minglei Chu , Guixin Yan , Guobing Yin , Hongzhen Xue , Fuqiang Ma
Abstract: The present application provides a virtual reality interaction method. The virtual reality interaction method includes acquiring a reference pupil image of a user; determining a pupil position in the reference pupil image; determining a gaze point in a virtual image based on the pupil position in the reference pupil image and a mapping relationship between first coordinates in a first coordinate system of the reference pupil image and second coordinates in a second coordinate system of the virtual image; and executing an operation based on a determination that the gaze point is in an activatable region of the virtual image and a determination of a gaze state.
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公开(公告)号：US11079839B2
公开(公告)日：2021-08-03
申请号：US16233947
申请日：2018-12-27
Inventor： Minglei Chu , Hao Zhang , Lili Chen , Bin Zhao , Ruijun Dong , Chenru Wang , Yali Liu , Xuebing Zhang , Jiankang Sun , Guixin Yan , Ziqiang Guo , Xinjian Liu
Abstract: An eye tracking device and an eye tracking method applied to video glasses, and video glasses are provided. The eye tracking device includes a light source component, a reflection component, an image sensor component and a main control component. The light source component is configured to emit invisible light to an eyeball, the reflection component is configured to reflect the invisible light reflected by the eyeball, the image sensor component is configured to generate an image of the eyeball based on the invisible light reflected by the reflection component, and the main control component is coupled to the image sensor component and is configured to acquire a gaze direction based on the image of the eyeball.
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公开(公告)号：US20210090298A1
公开(公告)日：2021-03-25
申请号：US16838744
申请日：2020-04-02
Inventor： Jiankang Sun , Hao Zhang , Lili Chen , Yachong Xue , Hongzhen Xue , Fuqiang Ma , Zehua Dong
Abstract: A camera positioning method, device and medium are provided. The method includes: determining positioning configuration information; determining, according to the positioning configuration information, positioning information of the camera by a preset algorithm, the positioning information including distance limitation data which defines a distance between a target and the camera; and determining a position of the camera according to the positioning information, wherein the positioning configuration information includes target data, ratio data of a target image in an image captured by the camera, and camera parameter data.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20200342583A1
公开(公告)日：2020-10-29
申请号：US16760560
申请日：2019-09-26
Inventor： Hongzhen Xue , Fuqiang Ma , Minglei Chu , Jiankang Sun , Guobing Yin , Zehua Dong , Lili Chen
Abstract: The present disclosure provides a method, apparatus, and measurement device for measuring distortion parameters of a display device, and a computer-readable medium. The display device includes a display screen and a lens located on a light exiting side of the display screen, and the method includes: acquiring a distortion image which is generated an initial through the lens, wherein the initial image is an image displayed on the display screen, the initial image comprises a plurality of first corner points, and the distortion image comprises a plurality of second corner points which match the plurality of first corner points respectively; and determining the distortion parameters of the display device according to a locational relationship between the second corner points and a first corner points which match the second corner points.
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27.发明申请公开(公告)号：US20200286245A1
公开(公告)日：2020-09-10
申请号：US16537241
申请日：2019-08-09
Inventor： Zehua Dong , Minglei Chu , Lili Chen , Hao Zhang , Jiankang Sun , Yukun Sun , Jinghua Miao , Zhifu Li , Xuefeng Wang , Hongzhen Xue
Abstract: The present disclosure provides a posture estimation method, a posture estimation apparatus, and a computer readable storage medium. Here, the posture estimation method includes: calculating an angular velocity control amount at a current moment based on a measured acceleration value and an estimated acceleration value at the current moment; correcting the measured angular velocity value at the current moment according to the calculated angular velocity control amount to obtain the corrected angular velocity value at the current moment; and obtaining an estimated posture quaternion value at a next moment according to the corrected angular velocity value obtained by calculation and an estimated posture quaternion value at the current moment.
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公开(公告)号：US11997397B2
公开(公告)日：2024-05-28
申请号：US17790388
申请日：2021-05-25
Inventor： Yachong Xue , Hao Zhang , Lili Chen , Jiankang Sun , Guixin Yan , Xiaolei Liu , Gang Li
IPC: H04N23/80 , G06T3/40 , G06T3/4038 , G06T7/40 , G06T7/80 , H04N25/702
CPC classification number: H04N23/80 , G06T3/40 , G06T3/4038 , G06T7/80 , H04N25/702 , G06T2200/32
Abstract: Provided is a method for processing images. The method includes: acquiring a plurality of original sub-images acquired by a plurality of cameras in a camera array; converting first pixel coordinates of each pixel in each original sub-image in an image coordinate system into target pixel coordinates in a target plane coordinate system; determining a region pixel value of each sub-region according to a correspondence between the target pixel coordinates of each pixel in each original sub-image and each sub-region in the target plane; and determining a spliced image in the target plane based on the region pixel value of each sub-region.
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29.发明授权公开(公告)号：US11537206B2
公开(公告)日：2022-12-27
申请号：US16474397
申请日：2018-11-20
Inventor： Ziqiang Guo , Jian Sun , Xinjian Liu , Yakun Wang , Lin Lin , Zhen Tang , Yu Lei , Minglei Chu , Jiankang Sun , Jinghua Miao , Guixin Yan , Feng Zi
Abstract: A wearable device, an electronic system, an electronic device, a tactile feedback method and a storage medium are provided. The wearable device with tactile feedback includes an electromagnetic coil set, a driving circuit and a control circuit, the driving circuit is coupled with the electromagnetic coil set; the control circuit is configured to control the driving circuit to generate and output a coil current corresponding to the electromagnetic coil set to the electromagnetic coil set according to a control command; and the electromagnetic coil set is configured to receive the coil current and generate the tactile feedback based on the coil current.
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公开(公告)号：US11534063B2
公开(公告)日：2022-12-27
申请号：US16096428
申请日：2018-02-01
Inventor： Hao Zhang , Lili Chen , Minglei Chu , Jiankang Sun , Guixin Yan , Ziqiang Guo , Yakun Wang , Wenhong Tian , Zhanshan Ma
Abstract: An interpupillary distance measuring method, a wearable ophthalmic device and a computer readable storage medium are provided. The method 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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