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1. 发明授权

US10074010B2 Image processing method, device and non-transitory computer-readable medium 有权
公开(公告)号：US10074010B2
公开(公告)日：2018-09-11
申请号：US15211924
申请日：2016-07-15
申请人： Chao Chen , Liyan Liu , Ying Zhao
发明人： Chao Chen , Liyan Liu , Ying Zhao
IPC分类号： G06K9/00 , G06K9/48
CPC分类号： G06K9/00335 , G06K9/00375 , G06K9/48
摘要： An image processing method in accordance with this disclosure includes steps of obtaining an object image including an operating body, extracting the operating body from the object image, and calculating an orientation of the operating body in the object image. The method further includes determining whether the operating body is of an operator that operates an apparatus based on the orientation of the operation body.

2. 发明授权

US09600898B2 Method and apparatus for separating foreground image, and computer-readable recording medium 有权
公开(公告)号：US09600898B2
公开(公告)日：2017-03-21
申请号：US14918680
申请日：2015-10-21
申请人： Liyan Liu , Ying Zhao
发明人： Liyan Liu , Ying Zhao
IPC分类号： G06K9/34 , G06T7/20 , G06T7/00
CPC分类号： G06T7/174 , G06T7/194 , G06T7/215 , G06T2207/10028
摘要： A method and an apparatus for separating a foreground image are disclosed. The method includes obtaining an input image and depth information of the input image; roughly dividing the input image to obtain a rough foreground region based on the depth information of the input image; obtaining motion information of the input image, and generating a three-color image from the rough foreground region based on the motion information; and separating the foreground image from the generated three-color image. According to the method, the three-color image is generated based on the depth information and the motion information, thus a foreground object can be accurately separated from the three-color image.

3. 发明授权

US09767567B2 Method and apparatus for separating foreground image, and non-transitory computer-readable recording medium 有权
公开(公告)号：US09767567B2
公开(公告)日：2017-09-19
申请号：US14930009
申请日：2015-11-02
申请人： Ying Zhao , Gang Wang , Liyan Liu
发明人： Ying Zhao , Gang Wang , Liyan Liu
IPC分类号： G06K9/00 , G06T7/194 , G06T7/00 , G06K9/32 , G06T7/11
CPC分类号： G06T7/11 , G06K9/0014 , G06K9/3233 , G06T7/194 , G06T2207/10004 , G06T2207/10028
摘要： A method and an apparatus for separating a foreground image are disclosed. The method includes obtaining an input image, and color information and depth information of the input image; roughly dividing, based on the depth information of the input image, the input image to obtain an initial three-color image; reducing or expanding, based on the color information of the input image, an unknown region in the initial three-color image to obtain an optimized three-color image; and separating the foreground image from the optimized three-color image. According to the method, the initial three-color image can be optimized based on the color information of the input image, so that a more accurate three-color image can be obtained; thus the foreground image can be accurately separated from the three-color image.

4. 发明授权

US09552514B2 Moving object detection method and system 有权
标题翻译：移动物体检测方法和系统
公开(公告)号：US09552514B2
公开(公告)日：2017-01-24
申请号：US14461558
申请日：2014-08-18
申请人： Ying Zhao , Liyan Liu , Lingyan Liang
发明人： Ying Zhao , Liyan Liu , Lingyan Liang
IPC分类号： G06K9/00 , G06T7/00 , G01S17/50 , G06T7/20
CPC分类号： G06K9/00355 , G01S17/50 , G06T7/20 , G06T7/215 , G06T7/248 , G06T2207/10028 , G06T2207/20021 , G06T2207/30196
摘要： A moving object detection method includes acquiring two depth image frames including depth information, which are obtained by continuously taking images of a moving object, the two depth image frames including a present depth image frame and at least one past depth image frame; dividing each of the two depth image frames into a plurality of blocks; calculating differences between numbers of pixels positioned in respective different depth areas in each of the plurality of blocks in the present depth image frame, and numbers of pixels positioned in respective different depth areas in each of the corresponding plurality of blocks in each of the at least one past depth image frame, which correspond to the plurality of blocks in the present depth image frame; and detecting a moving block in the present depth image frame based on the calculated difference and constituting the detected moving object.
摘要翻译：移动物体检测方法包括获取包括深度信息的两个深度图像帧，所述深度信息通过连续拍摄移动物体的图像，所述两个深度图像帧包括当前深度图像帧和至少一个过去深度图像帧; 将两个深度图像帧中的每一个划分为多个块; 计算位于本深度图像帧中的多个块中的每一个中的相应不同深度区域中的像素的数量之间的差异，以及位于每个至少在每个的相应多个块中的相应不同深度区域中的像素的数量一个过去的深度图像帧，其对应于当前深度图像帧中的多个块; 并且基于所计算的差异检测当前深度图像帧中的移动块，并构成检测到的移动对象。

5. 发明授权

US09483835B2 Depth value restoration method and system 有权
标题翻译：深度值恢复方法和系统
公开(公告)号：US09483835B2
公开(公告)日：2016-11-01
申请号：US14697804
申请日：2015-04-28
申请人： Lingyan Liang , Ying Zhao , Liyan Liu
发明人： Lingyan Liang , Ying Zhao , Liyan Liu
IPC分类号： G06K9/00 , G06T7/00 , H04N13/00 , G06F3/01 , G06T5/00 , G06T5/50
CPC分类号： G06T7/0097 , G06F3/017 , G06T5/002 , G06T5/50 , G06T7/11 , G06T7/174 , G06T7/187 , G06T7/194 , G06T2200/04 , G06T2207/10024 , G06T2207/10028 , G06T2207/30196 , H04N13/128
摘要： Disclosed is a method comprising steps of conducting image preprocessing so as to respectively obtain a candidate object region including a foreground image in a depth map and a color image; determining whether it is necessary to conduct a region growing process with respect to the candidate object region of the depth map; in the former case, conducting the region growing process with respect to the candidate object region of the depth map; and conducting, after the region growing process is conducted with respect to the candidate object region of the depth map, a depth value restoration process with respect to a candidate region.
摘要翻译：公开了一种方法，包括进行图像预处理以分别获得包括深度图和彩色图像中的前景图像的候选对象区域的步骤; 确定是否需要针对深度图的候选对象区域进行区域增长处理; 在前一种情况下，对深度图的候选对象区域进行区域增长处理; 并且在相对于深度图的候选对象区域进行区域生长处理之后进行相对于候选区域的深度值恢复处理。

6. 发明申请

US20220027656A1 IMAGE MATCHING METHOD AND APPARATUS AND NON-TRANSITORY COMPUTER-READABLE MEDIUM 有权
公开(公告)号：US20220027656A1
公开(公告)日：2022-01-27
申请号：US17381414
申请日：2021-07-21
申请人： Haijing Jia , Hong Yi , Liyan Liu , Wei Wang
发明人： Haijing Jia , Hong Yi , Liyan Liu , Wei Wang
IPC分类号： G06K9/46 , G06T7/11 , G06T7/55
摘要： Disclosed are an image matching method and apparatus. The image matching method is inclusive of steps of obtaining a panoramic image of at least one subspace in a 3D space and a 2D image of the 3D space; acquiring a 2D image of the at least one subspace in the 3D space; performing 3D reconstruction on the panoramic image of the at least one subspace, and procuring a projection image corresponding to the panoramic image of the at least one subspace; and attaining a matching relationship between the panoramic image of the at least one subspace and the 2D image of the at least one subspace, and establishing an association relationship between the panoramic image of the at least one subspace and the 2D image of the at least one subspace between which the matching relationship has been generated.

7. 发明授权

US08848980B2 Front vehicle detecting method and front vehicle detecting apparatus 有权
标题翻译：前车检测方法及前车检测装置
公开(公告)号：US08848980B2
公开(公告)日：2014-09-30
申请号：US13630166
申请日：2012-09-28
申请人： Cheng Du , Liyan Liu , Xiaomeng Wang , Ping Hu
发明人： Cheng Du , Liyan Liu , Xiaomeng Wang , Ping Hu
IPC分类号： G06K9/00
CPC分类号： G06K9/00825
摘要： A method for detecting a front vehicle comprises: a moving light detecting step of detecting a front moving light area of an own vehicle in at least one image of a front scene of the own vehicle obtained at a time; a vehicle candidate generating step of extracting a light area pair from the detected front moving light area so that a front vehicle candidate is generated; and a vehicle candidate verifying step of verifying that the front vehicle candidate is the front vehicle in cases where the front vehicle candidate meets predetermined characteristics of a vehicle light.
摘要翻译：一种用于检测前车辆的方法，包括：移动光检测步骤，用于在每次获得的本车辆的前方场景的至少一个图像中检测自身车辆的前移动光区域; 车辆候补生成步骤，从检测到的前方移动光区域提取亮区域对，使得产生前方车辆候补; 以及车辆候选验证步骤，用于在前方车辆候选符合车辆光的预定特性的情况下验证前方车辆候选者是前方车辆。

8. 发明授权

US08493431B2 Video conference system, processing method used in the same, and machine-readable medium 有权
标题翻译：视频会议系统，使用的处理方法和机器可读介质
公开(公告)号：US08493431B2
公开(公告)日：2013-07-23
申请号：US12929386
申请日：2011-01-20
申请人： Liyan Liu , Xiaomeng Wang
发明人： Liyan Liu , Xiaomeng Wang
IPC分类号： H04N7/142
CPC分类号： H04N7/152 , H04N7/142 , H04N7/147
摘要： Disclosed is a processing method used in a video conference system having a local terminal device and at least one remote terminal device, comprising a feature detection step of carrying out a feature detection in the local terminal device and the remote terminal device, respectively; a conference mode setting step of setting a conference mode for the local terminal device and the remote terminal device, respectively; and a video encoding step of dividing a video frame in the local terminal device and the remote terminal device, and then pre-processing the divided areas so as to encode the pre-processed areas, respectively.
摘要翻译：公开了一种在具有本地终端设备和至少一个远程终端设备的视频会议系统中使用的处理方法，包括分别在本地终端设备和远程终端设备中执行特征检测的特征检测步骤; 会议模式设置步骤，分别为本地终端设备和远程终端设备设置会议模式; 以及视频编码步骤，用于对本地终端设备和远程终端设备中的视频帧进行分割，然后对分割的区域进行预处理，以分别对预处理区域进行编码。

9. 发明授权

US11776157B2 Panoramic image based jump position determination method and apparatus and non-transitory computer-readable medium 有权
公开(公告)号：US11776157B2
公开(公告)日：2023-10-03
申请号：US17455704
申请日：2021-11-19
申请人： Haijing Jia , Hong Yi , Liyan Liu , Wei Wang
发明人： Haijing Jia , Hong Yi , Liyan Liu , Wei Wang
IPC分类号： G06T7/73 , H04N5/262 , G06V10/75 , G06F18/22 , H04N23/698
CPC分类号： G06T7/74 , G06F18/22 , G06V10/751 , H04N5/2628 , H04N23/698 , G06T2207/20084
摘要： Disclosed are a panoramic image based jump position determination method and apparatus. The method includes steps of obtaining first and second original panoramic images having the same horizontal width; performing, based on posture data of cameras respectively shooting the two original panoramic images, an adjustment process on at least one of the two original panoramic images, so as to acquire first and second panoramic images; after the adjustment process, conducting a feature extraction process regarding the two panoramic images, and choosing, based on a result of the feature extraction process, a plurality of pairs of image columns on the two panoramic images, so as to select at least one pair of first image columns from among the plurality of pairs of image columns; and determining, based on the at least one pair of first image columns, jump positions on the first and second panoramic images for jumping between the two.

10. 发明公开

US20230230316A1 METHOD AND APPARATUS FOR CONSTRUCTING THREE-DIMENSIONAL CHANNEL, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM 审中-公开
公开(公告)号：US20230230316A1
公开(公告)日：2023-07-20
申请号：US18155159
申请日：2023-01-17
申请人： Hong YI , Haijing Jia , Hengzhi Zhang , Liyan Liu , Wei Wang
发明人： Hong YI , Haijing Jia , Hengzhi Zhang , Liyan Liu , Wei Wang
IPC分类号： G06T17/00 , G06T7/60 , G06V10/25 , H04N23/698
CPC分类号： G06T17/00 , G06T7/60 , G06V10/25 , H04N23/698 , G06T2207/10028 , G06T2207/20084 , G06V2201/07
摘要： A method and an apparatus for constructing a three-dimensional channel, and a non-transitory computer-readable recording medium are provided. In the method, a depth image corresponding to a first panoramic image is generated. Then, channel object detection is performed on the first panoramic image to obtain channel object boxes in the first panoramic image. Each of the channel object boxes is four annularly interconnected arc-shaped sides, and each of the arc-shaped sides is a circular arc of a great circle. Then, a three-dimensional point cloud of a channel object in the first panoramic image is generated based on the first panoramic image, the channel object boxes and the depth image.

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