CN111559344A - Automatic windscreen wiper system based on image recognition - Google Patents
Automatic windscreen wiper system based on image recognition Download PDFInfo
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- CN111559344A CN111559344A CN202010314401.XA CN202010314401A CN111559344A CN 111559344 A CN111559344 A CN 111559344A CN 202010314401 A CN202010314401 A CN 202010314401A CN 111559344 A CN111559344 A CN 111559344A
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- Prior art keywords
- raindrop
- controller
- wiper
- image
- bcm
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- 238000000034 method Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
- B60S1/0833—Optical rain sensor
- B60S1/0844—Optical rain sensor including a camera
Abstract
The invention discloses an automatic wiper system based on image recognition, which comprises a front windshield, a vehicle event data recorder camera, a controller, a BCM controller and an automatic wiper, wherein the camera is used for collecting images, raindrop characteristics are extracted from the images for analysis and processing, and finally a wiper control instruction is sent to the BCM controller; and the raindrop characteristic analysis processing module continues to process the raindrop characteristics acquired in the previous step and calculates the size of the raindrop. The system integrates a raindrop recognition algorithm in the driving recorder controller, and judges the size of raindrops by using an image recognition method. The effect of rainfall sensor detection is realized under the condition that the cost is not increased, the cost of a single rainfall sensor is reduced, and the level of the whole vehicle is improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automatic wiper system based on image recognition.
Background
The mass production motorcycle type on the existing market all is through installing a rainfall sensor additional, when detecting the raindrop and dripping on the sensor surface through this sensor, brings the light darkness or the capacitance value changes, judges the rainfall size, finally sends windscreen wiper intermittent type, folk, the instruction of high-speed operation to the BCM controller, reaches the wobbling function of automatic control windscreen wiper. This solution requires the support of a separate rain sensor and is relatively costly.
Disclosure of Invention
The invention aims to provide an automatic wiper system based on image recognition, which comprises a front windshield, a vehicle event data recorder camera, a controller, a BCM controller and an automatic wiper, wherein the camera is used for collecting images, raindrop characteristics are extracted from the images for analysis and processing, and finally a wiper control instruction is sent to the BCM controller; the raindrop characteristic analysis processing module continues to process the raindrop characteristics obtained in the previous step, and calculates the size of raindrops;
the automatic wiper control output module defines three different intervals according to the calculated raindrop size value:
if the raindrop value is in the interval 1, sending a command of controlling the intermittent operation of the wiper to the BCM controller;
if the raindrop value is in the interval 2, sending a command of controlling the low-speed operation of the wiper to the BCM controller;
and if the raindrop value is in the interval 3, sending a command of controlling the high-speed operation of the wiper to the BCM controller.
Compared with the prior art, the invention has the beneficial effects that: the system integrates a raindrop recognition algorithm in the driving recorder controller, and judges the size of raindrops by using an image recognition method. The effect of rainfall sensor detection is realized under the condition that the cost is not increased, the cost of a single rainfall sensor is reduced, and the level of the whole vehicle is improved.
Drawings
FIG. 1 is a block diagram of a system according to the present invention;
FIG. 2 is a second block diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
An automatic windscreen wiper system based on image recognition comprises a front windscreen, a vehicle event data recorder camera, a controller, a BCM controller and an automatic windscreen wiper, wherein images are collected through the camera, raindrop characteristics are extracted from the images for analysis and processing, a windscreen wiper control instruction is finally sent to the BCM controller, the vehicle event data recorder camera collects images of raindrop falling and transmits the images to the vehicle event data recorder controller, and the controller calls a raindrop characteristic recognition algorithm to extract characteristics similar to raindrops in the images; the raindrop characteristic analysis processing module continues to process the raindrop characteristics obtained in the previous step, and calculates the size of raindrops;
the automatic wiper control output module defines three different intervals according to the calculated raindrop size value:
if the raindrop value is in the interval 1, sending a command of controlling the intermittent operation of the wiper to the BCM controller;
if the raindrop value is in the interval 2, sending a command of controlling the low-speed operation of the wiper to the BCM controller;
and if the raindrop value is in the interval 3, sending a command of controlling the high-speed operation of the wiper to the BCM controller.
The system integrates a raindrop recognition algorithm in the driving recorder controller, and judges the size of raindrops by using an image recognition method. The effect of rainfall sensor detection is realized under the condition that the cost is not increased, the cost of a single rainfall sensor is reduced, and the level of the whole vehicle is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The utility model provides an automatic windscreen wiper system based on image recognition, includes preceding windshield, vehicle event data recorder camera and controller, BCM controller, automatic windscreen wiper, its characterized in that: acquiring an image through a camera, extracting raindrop characteristics from the image, analyzing and processing the raindrop characteristics, finally sending a wiper control instruction to a BCM controller, acquiring an image of raindrop falling through a vehicle recorder camera, transmitting the image to a vehicle recorder controller, and calling a raindrop characteristic identification algorithm by the controller to extract the raindrop-like characteristics from the image; the raindrop characteristic analysis processing module continues to process the raindrop characteristics obtained in the previous step, and calculates the size of raindrops;
the automatic wiper control output module defines three different intervals according to the calculated raindrop size value:
if the raindrop value is in the interval 1, sending a command of controlling the intermittent operation of the wiper to the BCM controller;
if the raindrop value is in the interval 2, sending a command of controlling the low-speed operation of the wiper to the BCM controller;
and if the raindrop value is in the interval 3, sending a command of controlling the high-speed operation of the wiper to the BCM controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314401.XA CN111559344A (en) | 2020-04-21 | 2020-04-21 | Automatic windscreen wiper system based on image recognition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314401.XA CN111559344A (en) | 2020-04-21 | 2020-04-21 | Automatic windscreen wiper system based on image recognition |
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| CN111559344A true CN111559344A (en) | 2020-08-21 |
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| CN202010314401.XA Pending CN111559344A (en) | 2020-04-21 | 2020-04-21 | Automatic windscreen wiper system based on image recognition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619529A (en) * | 2021-08-06 | 2021-11-09 | 奇瑞汽车股份有限公司 | Automobile front windshield glass cleaning system and method |
| CN114312672A (en) * | 2022-01-27 | 2022-04-12 | 中国第一汽车股份有限公司 | Windshield wiper control method and system and automobile data recorder |
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| CN114312672A (en) * | 2022-01-27 | 2022-04-12 | 中国第一汽车股份有限公司 | Windshield wiper control method and system and automobile data recorder |
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Application publication date: 20200821 |
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