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1. 发明授权

US10268908B2 Side safety assistant device and method for large vehicle 有权
公开(公告)号：US10268908B2
公开(公告)日：2019-04-23
申请号：US15414924
申请日：2017-01-25
申请人： PLK TECHNOLOGIES CO., LTD.
发明人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
IPC分类号： B60R1/00 , G06K9/00 , G06K9/46 , G06K9/62 , G06T7/13 , G08G1/16 , H04N5/77 , H04N7/18 , H04W4/40 , H04W4/80 , G06T7/246 , H04N5/232 , H04N5/247
摘要： A side safety assistant device for a large vehicle may include: a rear camera module mounted at the rear of at least one side surface of a large vehicle and configured to image an object while facing the front of the large vehicle; a front camera module mounted at the front of at least one side surface of the large vehicle and configured to image an object while facing the rear of the large vehicle; one or more image recognition modules configured to receive an image taken by the rear and front camera modules, extract an object included in the image, determine whether the extracted object is a moving object, determine whether the moving object is located in a preset dangerous zone, and output a collision risk signal; a warning unit configured to output a visual or auditory warning signal; and a control unit configured to operate the warning unit.

2. 发明授权

US10235579B2 Vanishing point correction apparatus and method 有权
公开(公告)号：US10235579B2
公开(公告)日：2019-03-19
申请号：US15560296
申请日：2016-04-14
申请人： PLK Technologies Co., Ltd.
发明人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
IPC分类号： G06K9/00 , G08G1/16 , G06T7/62 , G06T7/246 , G06K9/32 , G06K9/46 , G06K9/50
摘要： A vanishing point correction method may include the steps of: (a) extracting a contour candidate point of an object considered as the forward vehicle from the image taken by the camera; (b) tracking a movement of the contour candidate point over time; (c) determining whether the contour candidate point belongs to the vehicle; (d) setting the contour candidate point to a vehicle contour point of the forward vehicle, when it is determined at the step (c) that the contour candidate point belongs to the vehicle; (e) calculating a variation in width between vehicle contour points at the same height among the vehicle contour points; and (f) calculating a variation of the vanishing point.

3. 发明申请

US20100174449A1 Method of Storing Accident Data for a Vehicle 有权
标题翻译：存储车辆事故数据的方法
公开(公告)号：US20100174449A1
公开(公告)日：2010-07-08
申请号：US12664647
申请日：2008-06-02
申请人： Hyun Chul Kim
发明人： Hyun Chul Kim
IPC分类号： B62D41/00
CPC分类号： G07C5/0866
摘要： Provided is a method of storing accident data for a vehicle, in which image data taken by a camera during driving is stored in real time, a weight value is set according to a measured impulse value to calculate a priority index and data is stored in a memory based on the priority index, thereby preventing initial accident-cause data from being deleted over time. The method includes acquiring driving data including image data, setting a weight value corresponding to an average impulse value and calculating a priority index, selecting a block having a lowest priority index and storing the driving data in the selected block if the capacity of the volatile memory is full, determining whether a timer starts, and reading out all data stored in the volatile memory and storing the read data in the non-volatile memory if the predetermined amount of time has elapsed.
摘要翻译：提供了一种存储车辆的事故数据的方法，其中在驾驶期间由摄像机拍摄的图像数据实时存储，根据测量的脉冲值设定权重值，以计算优先级索引，并且数据存储在基于优先级索引的存储器，从而防止初始事故原因数据随时间被删除。该方法包括获取包括图像数据的驱动数据，设置与平均脉冲值相对应的权重值并计算优先级索引，选择具有最低优先级索引的块并将驱动数据存储在所选择的块中，如果易失性存储器的容量如果经过了预定的时间量，则确定定时器是否启动，并读出存储在易失性存储器中的所有数据并将读取的数据存储在非易失性存储器中。

4. 发明授权

US10255813B2 Moving object collision warning system and method for large vehicle 有权
公开(公告)号：US10255813B2
公开(公告)日：2019-04-09
申请号：US15711294
申请日：2017-09-21
申请人： PLK Technologies Co., Ltd.
发明人： Sang Mook Lim , Jin Hyuck Kim , Kwang Il Park
IPC分类号： B60Q9/00 , B60T7/22 , G06K9/00 , G06K9/46 , G06K9/62 , G08G1/16 , H04N7/18
摘要： A moving object collision warning system for a large vehicle may include: a rear camera module mounted on the rear of at least one side of a large vehicle, and configured to take an image of an object while facing the front of the large vehicle; an image receiving unit configured to receive the image taken by the rear camera module; a moving object determination unit configured to recognize the image received by the image receiving unit, extract an object included in the image, and determine whether the extracted object is a moving object, wherein the moving object includes one or more of a bicycle, a two-wheeled vehicle and a pedestrian; a moving object collision possibility determination unit configured to determine whether the moving object determined by the moving object determination unit is located in a preset danger zone, and output a collision risk signal; a warning unit configured to output a visual or audible warning signal to a driver of the large vehicle; and a control unit configured to operate the warning unit when the moving object collision possibility determination unit outputs the collision risk signal.

5. 发明申请

US20180075748A1 PEDESTRIAN RECOGNITION APPARATUS AND METHOD 审中-公开
公开(公告)号：US20180075748A1
公开(公告)日：2018-03-15
申请号：US15560267
申请日：2015-06-15
申请人： PLK Technologies Co., Ltd.
发明人： KWANG IL PARK , Sang Mook LIM , Jin Hyuck KIM
IPC分类号： G08G1/16 , B60T7/22 , B60Q5/00 , B60R1/00 , G06K9/00 , G06K9/46
摘要： The present invention relates to a pedestrian recognition apparatus. A pedestrian recognition apparatus may comprises: an image receiving unit configured to sequentially receive a plurality of images from a camera; and a pedestrian determination unit configured to perform a pedestrian candidate object detection process of detecting a pedestrian candidate object from one or more objects in the images, a mobility determination process of determining whether the pedestrian candidate object is moving, using the plurality of images, and setting the pedestrian candidate object to a moving pedestrian candidate object, and a pedestrian possibility determination process of performing a predefined operation on the moving pedestrian candidate object, and setting the moving pedestrian candidate object to a pedestrian when a value calculated through the predefined operation is equal to or more than a threshold value.

6. 发明申请

US20140050362A1 ROUTE CHANGE DETERMINATION SYSTEM AND METHOD USING IMAGE RECOGNITION INFORMATION 有权
标题翻译：路径变化确定系统和使用图像识别信息的方法
公开(公告)号：US20140050362A1
公开(公告)日：2014-02-20
申请号：US13984695
申请日：2012-09-06
申请人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
发明人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
IPC分类号： G06K9/00
CPC分类号： G06K9/00791 , G01C21/30 , G06K9/00798
摘要： Provided is a route change determination system and method using image recognition information, which is capable of extracting position information having high precision similar to that of a high-precision DGPS device, while using a low-precision GPS device, in order to determine a change of a traveling route.The route change determination system using image recognition system includes: a GPS module; an image recognition module having a line recognition function; a road map storage module configured to store road map information and route change possible section information for changing a route of a vehicle; a road map receiving module configured to receive the road map information; and an information processing module configured to determine whether the route is changed or not, based on line recognition information acquired through the image recognition module and the route change possible section information.
摘要翻译：提供一种使用图像识别信息的路线变化判定系统和方法，其能够在使用低精度GPS装置的同时提取与高精度DGPS装置相同的精度的位置信息，以便确定变化的旅行路线。使用图像识别系统的路线变化判定系统包括：GPS模块; 具有线识别功能的图像识别模块; 路线图存储模块，被配置为存储用于改变车辆的路线的道路地图信息和路线变换可能部分信息; 路线图接收模块，被配置为接收道路地图信息; 以及信息处理模块，被配置为基于通过图像识别模块获取的线识别信息和路线改变可能部分信息来确定路线是否改变。

7. 发明授权

US10522039B2 Pedestrian recognition apparatus and method 有权
公开(公告)号：US10522039B2
公开(公告)日：2019-12-31
申请号：US15560267
申请日：2015-06-15
申请人： PLK Technologies Co., Ltd.
发明人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
IPC分类号： G08G1/16 , B60W10/20 , B60W40/02 , B60W50/14 , G06K9/62 , B60W30/08 , B60Q5/00 , B60R1/00 , B60T7/22 , G06K9/00 , G06K9/46
摘要： The present invention relates to a pedestrian recognition apparatus. A pedestrian recognition apparatus may comprises: an image receiving unit configured to sequentially receive a plurality of images from a camera; and a pedestrian determination unit configured to perform a pedestrian candidate object detection process of detecting a pedestrian candidate object from one or more objects in the images, a mobility determination process of determining whether the pedestrian candidate object is moving, using the plurality of images, and setting the pedestrian candidate object to a moving pedestrian candidate object, and a pedestrian possibility determination process of performing a predefined operation on the moving pedestrian candidate object, and setting the moving pedestrian candidate object to a pedestrian when a value calculated through the predefined operation is equal to or more than a threshold value.

8. 发明授权

US10192444B2 Forward collision warning system and method 有权
公开(公告)号：US10192444B2
公开(公告)日：2019-01-29
申请号：US15560280
申请日：2016-04-27
申请人： PLK Technologies Co., Ltd.
发明人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
IPC分类号： G06K9/00 , G08G1/16 , B60W50/14 , B60W30/08 , B60W40/02 , G06K9/46 , G06K9/78
摘要： A forward collision warning method may include the steps of: (a) extracting a contour candidate point of an object considered as the forward vehicle from an image taken by a camera; (b) tracking a movement of the contour candidate point over time; (c) determining whether the contour candidate point belongs to the vehicle; (d) setting the contour candidate point to a vehicle contour point of the forward vehicle, when it is determined at the step (c) that the contour candidate point belongs to the vehicle; (e) estimating a height of the vehicle contour point from the ground surface; (f) calculating a relative distance to the forward vehicle through Equation below; and (g) calculating a time to collision (TTC) using the relative distance: Z = λ ⁢ ⁢ h - Yc yc . Equation

9. 发明授权

US09639764B2 Image recognition system for vehicle for traffic sign board recognition 有权
公开(公告)号：US09639764B2
公开(公告)日：2017-05-02
申请号：US14765004
申请日：2014-05-01
申请人： PLK TECHNOLOGIES CO., LTD.
发明人： Kwang Il Park , Sang Mook Lim , Jin Hyuck Kim
IPC分类号： G06K9/00 , H04N5/00 , H04N5/235 , H04N5/225 , H04N5/243
CPC分类号： G06K9/00818 , H04N5/2253 , H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/2356 , H04N5/243
摘要： The present invention can improve the recognition performance of a traffic sign board, improve the recognition performance of a reflective traffic sign board and a light emitting type traffic sign board by adjusting an exposure of a camera, improve the recognition performance of the reflective traffic sign board and the light emitting type traffic sign board by adjusting gain of an image signal, and improve the recognition performance of the reflective traffic sign board and the light emitting type traffic sign board by simultaneously adjusting the exposure of the camera and the gain of the image signal. In an image recognition system for a vehicle for traffic sign board recognition according to the present invention, an exposure time of a camera lens or gain of an image output from an image sensor is adjusted to generate at least one image group including a plurality of frames in which the exposure time and the gain are different from each other, sign board regions of the plurality of frames are compared with each other, and an image nearest to a predetermined set value is selected.

10. 发明申请

US20150371097A1 IMAGE RECOGNITION SYSTEM FOR VEHICLE FOR TRAFFIC SIGN BOARD RECOGNITION 有权
标题翻译：用于交通标志牌识别的车辆图像识别系统
公开(公告)号：US20150371097A1
公开(公告)日：2015-12-24
申请号：US14765004
申请日：2014-05-01
申请人： PLK TECHNOLOGIES CO., LTD.
发明人： Kwang Il PARK , Sang Mook LIM , Jin Hyuck KIM
IPC分类号： G06K9/00 , H04N5/225 , H04N5/235
CPC分类号： G06K9/00818 , H04N5/2253 , H04N5/2352 , H04N5/2353 , H04N5/2354 , H04N5/2356 , H04N5/243
摘要： The present invention can improve the recognition performance of a traffic sign board, improve the recognition performance of a reflective traffic sign board and a light emitting type traffic sign board by adjusting an exposure of a camera, improve the recognition performance of the reflective traffic sign board and the light emitting type traffic sign board by adjusting gain of an image signal, and improve the recognition performance of the reflective traffic sign board and the light emitting type traffic sign board by simultaneously adjusting the exposure of the camera and the gain of the image signal. In an image recognition system for a vehicle for traffic sign board recognition according to the present invention, an exposure time of a camera lens or gain of an image output from an image sensor is adjusted to generate at least one image group including a plurality of frames in which the exposure time and the gain are different from each other, sign board regions of the plurality of frames are compared with each other, and an image nearest to a predetermined set value is selected.
摘要翻译：本发明可以提高交通标志牌的识别性能，通过调整摄像机的曝光度来提高反光标识牌和发光型交通标志牌的识别性能，提高反光标识牌的识别性能以及通过调整图像信号的增益来发光型交通标志牌，并且通过同时调整照相机的曝光和图像信号的增益来提高反射交通标志牌和发光型交通标志牌的识别性能。在根据本发明的用于交通标志牌识别的车辆的图像识别系统中，调整相机镜头的曝光时间或从图像传感器输出的图像的增益以生成包括多个帧的至少一个图像组其中曝光时间和增益彼此不同，所以将多个帧中的符号板区域彼此进行比较，并且选择最接近预定设定值的图像。

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