公开(公告)号：US20150326845A1

公开(公告)日：2015-11-12

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： H04N13/00 ,  G06T7/00 ,  G06F3/01

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。

公开(公告)号：US20150055828A1

公开(公告)日：2015-02-26

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： G06T7/20 ,  G06K9/00 ,  G01S17/50

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。

公开(公告)号：US20160117832A1

公开(公告)日：2016-04-28

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： G06T7/00 ,  G06T7/40 ,  G06T7/20

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.

摘要翻译： 公开了一种用于分离前景图像的方法和装置。 该方法包括获得输入图像和输入图像的深度信息; 基于输入图像的深度信息粗略地划分输入图像以获得粗糙的前景区域; 获取所述输入图像的运动信息，以及基于所述运动信息从所述粗糙前景区域生成三色图像; 以及从生成的三色图像分离前景图像。 根据该方法，基于深度信息和运动信息生成三色图像，因此可以将前景对象与三色图像精确地分离。

公开(公告)号：US20170032183A1

公开(公告)日：2017-02-02

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 ,  G06T7/00 ,  H04N5/225

CPC分类号： G06K9/00335 ,  G06K9/00375 ,  G06K9/48

摘要： An image processing method, device and non-transitory computer-readable recording medium are disclosed. The image processing method includes obtaining an object image including an operating body, extracting the operating body from the object image, and calculating, by processing circuitry, an orientation of the operating body in the object image. The method further includes determining, by the processing circuitry, whether the operating body is of an operator that operates an apparatus based on the orientation of the operation body.

摘要翻译： 公开了一种图像处理方法，装置和非暂时计算机可读记录介质。 图像处理方法包括获得包括操作体的对象图像，从对象图像提取操作体，以及通过处理电路计算操作体在对象图像中的取向。 该方法还包括由处理电路确定操作体是否是基于操作体的取向操作设备的操作者。

公开(公告)号：US20160133027A1

公开(公告)日：2016-05-12

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： G06T7/00 ,  G06K9/46 ,  G06K9/52 ,  G06T7/40

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.

摘要翻译： 公开了一种用于分离前景图像的方法和装置。 该方法包括获得输入图像，输入图像的颜色信息和深度信息; 基于输入图像的深度信息粗略地划分输入图像以获得初始三色图像; 基于输入图像的颜色信息，减少或扩大初始三色图像中的未知区域以获得优化的三色图像; 并且将前景图像与优化的三色图像分离。 根据该方法，可以基于输入图像的颜色信息优化初始三色图像，从而可以获得更准确的三色图像; 因此可以将前景图像与三色图像精确地分离。

公开(公告)号：US20210227139A1

公开(公告)日：2021-07-22

申请号：US17051602

申请日：2019-05-09

申请人： Yiwei WANG ,  Liyan LIU ,  Wei WANG

发明人： Yiwei WANG ,  Liyan LIU ,  Wei WANG

IPC分类号： H04N5/232 ,  G06T7/246 ,  G06K9/46

摘要： Disclosed is a video stabilization method including steps of selecting a first area in a first image; determining at least one first feature point based on the first area, and performing feature point matching on the first image and a second image so as to obtain at least one feature point matching pair between the first image and the second image, each feature point matching pair including a first feature point of the first image and a second feature point of the second image; conducting motion parameter estimation based on the at least one feature point matching pair so as to obtain a motion parameter; and carrying out motion compensation with respect to the first image based on the motion parameter so as to acquire a first stable image after compensation.

公开(公告)号：US20130083971A1

公开(公告)日：2013-04-04

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： G06K9/62

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。

公开(公告)号：US20220164984A1

公开(公告)日：2022-05-26

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 ,  H04N5/232 ,  H04N5/262 ,  G06K9/62

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.

公开(公告)号：US20210029283A1

公开(公告)日：2021-01-28

申请号：US16932013

申请日：2020-07-17

申请人： Yiwei WANG ,  Liyan LIU ,  Wei WANG

发明人： Yiwei WANG ,  Liyan LIU ,  Wei WANG

IPC分类号： H04N5/232

摘要： A method, for correcting a rolling shutter phenomenon, includes obtaining a double fish-eye image to be processed using a photographing device; obtaining an image processing parameter including gyro data of the photographing device; calculating a rolling shutter phenomenon correcting parameter based on the image processing parameter; and correcting the rolling shutter phenomenon with respect to the double fish-eye image in a spherical-coordinate system using the rolling shutter phenomenon correcting parameter.

公开(公告)号：US20130077830A1

公开(公告)日：2013-03-28

申请号：US13608401

申请日：2012-09-10

申请人： Liyan LIU ,  Xiaomeng WANG ,  Pingping PAN

发明人： Liyan LIU ,  Xiaomeng WANG ,  Pingping PAN

IPC分类号： G06K9/40

CPC分类号： G06K9/00818

摘要： Disclosed are a method and a device for detecting traffic signs in an input image camera. The method comprises a color space converting step of converting the input image into a HSV color space image; a filtering step of filtering, based on a predetermined pass range of a standard color of each of the traffic signs, the HSV color space image to obtain a filtered image, and then generating one or more connected domains based on one or more regions in the filtered image; a removing step of removing, based on a standard rule of the corresponding traffic sign, at least one of the generated connected domains, not being the corresponding traffic sign, and letting others of the generated connected domains be candidate traffic sign domains; and a recognition step of recognizing, based on a feature of each of the candidate traffic sign domains, the corresponding traffic sign.

摘要翻译： 公开了一种用于检测输入图像相机中的交通标志的方法和装置。 该方法包括将输入图像转换为HSV色彩空间图像的色彩空间转换步骤; 滤波步骤，基于每个交通标志的标准颜色的预定通过范围，对所述HSV颜色空间图像进行滤波，以获得滤波图像，然后基于所述HSV颜色空间图像中的一个或多个区域生成一个或多个连接域 过滤图像; 基于对应的交通标志的标准规则去除所生成的连接域中的至少一个，不是相应的交通标志，并且使所生成的连接域中的其他人成为候选交通标志域; 以及识别步骤，基于每个候选交通标志域的特征识别相应的交通标志。