阅读说明：本技术 基于视觉特征的长隧道距离信息标识装置与使用方法 (Long tunnel distance information identification device based on visual features and use method ) 是由 张俊友 李丽 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种基于视觉特征的长隧道距离信息标识装置与使用方法,包括隧道洞壁图案主色调、顶部或侧壁设置的行驶距离指示标志、路面标线,三者可单独或者组合使用。标志、标线的位置信息在导航地图中提前设置,车载摄像机识别标志和标线后与导航地图匹配,进行定位。本发明专利的有益效果在于：通过设置特别的标识装置,吸引驾驶员注意,刺激驾驶员大脑,防止驾驶员对隧道单调的交通条件熟视无睹而发生意外；不同颜色的洞壁可以改善驾驶员心理舒适度,减少长隧道带来的压抑感。本发明有效弥补GPS等设备因信号缺失导致导航设备失效时的位置获取途径,正确分析隧道行驶距离以及前方隧道长度,有效防止驾驶员产生驾驶疲劳,同时降低交通事故率。(The invention discloses a long tunnel distance information identification device based on visual characteristics and a use method thereof. The position information of the mark and the marked line is set in advance in the navigation map, and the vehicle-mounted camera identifies the mark and the marked line and then is matched with the navigation map for positioning. The beneficial effects of the invention are as follows: through the arrangement of a special identification device, the attention of a driver is attracted, the brain of the driver is stimulated, and accidents caused by the fact that the driver has no evidence on the monotonous traffic condition of the tunnel are prevented; the hole walls with different colors can improve the psychological comfort of a driver and reduce the oppression feeling brought by a long tunnel. The method effectively makes up the position acquisition way when the navigation equipment fails due to signal loss of equipment such as a GPS and the like, correctly analyzes the driving distance of the tunnel and the length of the front tunnel, effectively prevents a driver from generating driving fatigue, and simultaneously reduces the traffic accident rate.)

1. A long tunnel distance information identification device based on visual features and a using method thereof are characterized in that: comprises a tunnel driving distance indicating sign (1); a tunnel pavement marking (2); the tunnel wall pattern has a dominant hue (10-16).

2. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the tunnel driving distance indicating mark (1) is a circular indicating mark with a reflecting film and a diameter of 100 cm.

3. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the geographic information position of the tunnel driving distance indication mark (1) is connected with a navigation system, and the unmanned vehicle can be matched with a navigation map after acquiring the mark through a camera and is positioned by utilizing position information.

4. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the tunnel driving distance indicating sign (1) comprises graphs (2-3) and characters (4-5).

5. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the graph (2-3) is composed of an arrow shape (2) and a rectangle (3) which are arranged up and down.

6. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the characters (4-5) comprise the total tunnel division segment number (4) and the tunnel segment number (5) of the current driving position.

7. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the tunnel pavement marking (6) is a white raised ground marking.

8. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the tunnel pavement marking (2) comprises characters (7-8) and graphs (9).

9. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the characters (7-8) comprise the total tunnel division segment number (7) and the tunnel segment number (8) of the current driving position.

10. The visual feature-based long tunnel distance information identification device and the use method according to claim 1, wherein: the tunnel wall pattern color dominant hue (10-16) can be different gradual colors such as red, orange, yellow, green, cyan, blue, purple and the like in sequence.

Technical Field

The invention relates to the technical field of traffic sign marking and the field of unmanned vehicle information identification and positioning, in particular to a traffic sign marking and a positioning driving distance of a long tunnel.

Background

The road traffic sign and the marking line are traffic facilities provided on a road and indicate specific management contents and behavior rules by predetermined figures, symbols, characters, lines, elevation marks, projected road signs, and the like.

In a long tunnel, although the cross section is wide, the scene is simple, the oppressive feeling in the tunnel is strong, if the vehicle is not provided with an inertial navigation device, the tunnel lacks of the cognitive indication marks of the distance to be traveled and the front distance, a driver cannot know the length and the traveling time of the front tunnel, anxiety is easy to generate, meanwhile, the unmanned vehicle travels in the tunnel, and cannot be accurately positioned by utilizing a GPS positioning system, and the corresponding device is lacked to provide a traveling position.

The tunnel top colour uses the top colour to be dark at present, and both sides wall is the light colour as leading, and most tunnels are dark grey and join in marriage light yellow, have pleasing to the eye, dark easy maintenance, give advantages such as driver's sensation of driving a vehicle in the space spacious, nevertheless cause visual fatigue for the driver easily to the tunnel of growing up, are unfavorable for the concentration of driver's attention.

The colors and patterns of the road surface, the wall and the top of the long-distance tunnel are basically consistent, the appearance is single, a driver drives a vehicle in the tunnel, the scenes are repeated, the appearance is visible as the brightness of a lighting facility, the head lamps of the vehicle and tail lamps of other vehicles, the visual field, the depth of field, the hearing and other appearance indications of the driver are affected, the visual fatigue is easily caused, the attention is not concentrated and the like.

Disclosure of Invention

The invention aims to provide a long tunnel distance information identification device based on visual characteristics and a use method thereof.

In order to solve the technical problems, the invention provides a long tunnel distance information identification device based on visual characteristics and a use method thereof.

The tunnel driving distance indicating sign is a round traffic indicating sign; the upper part in the tunnel driving distance indicator is an arrow-shaped pattern and characters, the total number of the tunnel dividing sections is arranged in the arrow-shaped pattern, the lower part in the tunnel driving distance indicator is a rectangular-shaped pattern and characters, the number of the tunnel dividing sections is arranged in the rectangular-shaped pattern, the pattern has geographical position information, and the information is imported into a navigation system.

The tunnel pavement marking is a white ground convex marking positioned in the middle of the road lane, is in a score form, and the score is the ratio of the number of the tunnel sections where the tunnel pavement marking is located to the total number of the tunnel dividing sections.

The tunnel wall pattern color dominant hue can be set to be red, orange, yellow, green, cyan, blue, purple and other gradual colors according to the divided tunnel segments.

Compared with the prior art, the invention has the beneficial effects that:

the invention improves the attention of a driver in the driving process of the tunnel by designing a long tunnel distance information identification device based on visual characteristics and a use method, ensures that the driving distance and the front exit distance can be determined in real time in the driving process of the driver in the tunnel by utilizing the set tunnel driving distance indication mark and the set marking line, reminds the driving distance of the driver and improves the attention of the driver by designing the color dominant tone of the tunnel wall pattern which is changed along with the driving distance, prevents the driver from generating visual fatigue, and simultaneously enables the unmanned automobile or navigation equipment to accurately position by acquiring the position information of the mark and the marking line through a camera.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments will be briefly introduced below.

FIG. 1 is a general schematic of the present invention.

Fig. 2 is a tunnel driving distance indicating sign diagram according to the present invention.

Fig. 3 is a size diagram of a tunnel travel distance indicating sign according to the present invention.

Fig. 4 is a road surface map of the tunnel of the present invention.

Fig. 5 is a dominant hue diagram of the tunnel wall pattern color of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 2, the tunnel driving distance indicating sign of the present invention is a circular traffic indicating sign, and employs a reflective film, the sign is composed of two parts, one part is an arrow-shaped pattern and internal characters, the other part is a rectangular pattern and internal characters, the number in the arrow-shaped pattern represents the total number of segments obtained by dividing the length of the whole tunnel into equal parts according to a certain length, the number in the rectangular pattern represents the number of segments where the driver is currently driving, the sign informs the driver that the tunnel road is currently driven by a few parts, and simultaneously, the geographical location information (such as longitude, latitude, altitude, etc.) of the sign pattern is introduced into a vehicle navigation system, and a vehicle or navigation equipment can acquire the sign and a marked line through a camera, then match the sign with a navigation map, and perform positioning by using the location information.

As shown in figure 3, the road vehicle design speed of a common tunnel in China is 80km/h, so that the diameter of a circular indicating mark position is 100cm, the lining edge is 0.8cm, the height of Arabic numerals is 38cm, the word width is 20cm, the word thickness is 7cm, the total height of an arrow is 90cm, a single-hole tunnel is arranged at the top end for suspension, a multi-hole tunnel is arranged at two sides of a road, and other specific dimensions are designed according to the road traffic sign and marking specifications.

As shown in figure 4, the tunnel pavement marking is a white protruding marking, is arranged at the middle position of a driving lane, is designed according to the road traffic sign and the marking specification, is in a fractional form, is divided into a total number of segments and a fractional line according to the driving direction, wherein the total number of the segments is obtained by dividing the whole tunnel length according to a certain length, and the number of the segments of the current driving position of a driver.

As shown in fig. 5, the color of the patterns in the tunnel wall changes along with the change of the driving distance of the driver in the tunnel, the tunnel can be divided into 8 parts according to the length, and the colors of the patterns in the tunnel wall can be respectively coated into gradually changed colors of red, orange, yellow, green, cyan, blue, purple and the like, so that the vision of the driver is stimulated, the visual fatigue of the driver is avoided, and the current driving distance can be generally known through the change of the colors.