Method and device for warning vehicle of risk of lane change
An alarm device and a technology for changing lanes, which are applied in traffic control systems, signal devices, control devices, etc. of road vehicles, can solve the problems of large amount of calculation processing of vehicle recognition algorithms and inability to detect vehicles in real time
Active Publication Date: 2020-04-17
STRADVISION
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Problems solved by technology
However, there is a problem that the vehicle recognition algorithm using optical flow technology cannot detect vehicles in real time due to the large amount of calculation processing.
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[0065] Referring to the accompanying drawings showing specific embodiments that can implement the present invention, the present invention will be described in detail below to clarify the purpose, technical solutions and advantages of the present invention. These examples are described in detail to enable those of ordinary skill in the art to practice the present invention.
[0066] Moreover, in the specific description and claims of the present invention, the term "comprising" and its variants do not exclude other technical features, additions, constituent elements or steps. Apparently, a person of ordinary skill can understand some of the other objects, advantages and characteristics of the present invention from this description, and some of them can be learned from the practice of the present invention. The following illustrations and drawings are provided as examples and not for purposes of limiting the invention.
[0067] In particular, the invention includes all possib...
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The present invention relates to a method and device for warning a vehicle of risk of lane change. The method includes steps that (a) an alarm device, if at least one rear image captured by a runningvehicle is acquired, segments the rear image by using a learned convolutional neural network (CNN) to thereby obtain a segmentation image corresponding to the rear image; (b) the alarm device checks at least one free space ratio in at least one blind spot by referring to the segmentation image, wherein the free space ratio is determined as a ratio of a road area without an object in the blind spotto a whole area of the blind spot; and (c) the alarm device, if the free space ratio is less than or equal to at least one predetermined threshold value, warns a driver of the vehicle of the risk oflane change.
Description
technical field [0001] The present invention relates to a method of warning a vehicle of a danger of changing lanes and a warning device using the same, and more particularly, to a method of warning of the danger of said lane changing of said vehicle and a device using the same, wherein The method is characterized in that it includes: (a) under the condition of obtaining at least one rear image taken by a moving vehicle, using a learned convolutional neural network (CNN, Convolutional Neural Network) to segment the rear image to obtain A step corresponding to a segmented image of said rear image; (b) confirming at least one free space ratio (free space ratio) on at least one blind spot (blind spot) with reference to said segmented image, wherein said free space ratio is said Steps of the proportion of the road area without objects in the blind spot relative to the entire blind spot; and (c) when the available space ratio is below at least one preset critical value, sending a m...
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IPC IPC(8): B60W50/14B60Q9/00B60R1/00G06V10/764
CPCB60W50/14B60Q9/008B60R1/00B60W2050/143B60R2300/802G06T7/11G06T2207/30256G06N3/08G08G1/167G06T2207/20084G06V20/58G06V10/454G06V10/82G06V10/764G06N3/045B60W40/02B60W30/18163G06T2207/20081B60Y2300/18166B60Y2400/90G06T7/70G06T2207/30261G06T7/20
Inventor 金桂贤金镕重金寅洙金鹤京南云铉夫硕焄成明哲吕东勋柳宇宙张泰雄郑景中诸泓模赵浩辰
Owner STRADVISION