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Method, device, readable storage medium and vehicle for assisting face image acquisition

An image acquisition device and face image technology, applied in the field of driving safety, can solve the problems of unable to collect satisfactory face images, shorten the life of fill light, and waste of resources, so as to reduce risks, prolong life, and avoid waste of resources Effect

Active Publication Date: 2022-05-06
智博汽车科技(上海)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such processing can easily lead to shortened life of the fill light and excessive power consumption, resulting in a waste of resources, and it is impossible to collect face images that meet the follow-up processing.

Method used

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  • Method, device, readable storage medium and vehicle for assisting face image acquisition
  • Method, device, readable storage medium and vehicle for assisting face image acquisition
  • Method, device, readable storage medium and vehicle for assisting face image acquisition

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Embodiment Construction

[0069] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0070] The existing fatigue monitoring process is: use the supplementary light to aim at the driver's face, obtain the face image information through the infrared camera, and then use a series of algorithms to obtain the feature points of the face in the image, and combine these feature points with fatigue driving The model analyzes the driver's fatigue state and behavior state, and finally issues an early warning based on the analysis results to remind the driver to achieve the purpose of assisting the safe driving of the car.

[0071] Since a near-infrared camera is used to collect images, the supplementary light plays a very important role. It is related t...

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Abstract

The present disclosure relates to a method, a device, a readable storage medium and a vehicle for assisting face image acquisition, the method comprising: acquiring a face image collected by an image acquisition device; determining the average brightness of the face image; When the average brightness is not within the preset brightness range, determine the exposure parameters, wherein the exposure parameters include exposure time; according to the exposure parameters, control the turn-on duration of the supplementary light, wherein the supplementary light is used for When the image acquisition device performs image acquisition, supplementary light is performed; according to the exposure parameters, the image acquisition device is controlled to perform an image acquisition operation. This method considers the fill light and face exposure together, and can adjust the turn-on time of the fill light according to the image quality and environment, which can meet the requirements of reducing power consumption of the fill light, prolonging the life of the fill light, and avoiding waste of resources. Exposure images for subsequent processing.

Description

technical field [0001] The present disclosure relates to the field of driving safety, in particular, to a method, device, readable storage medium and vehicle for assisting face image acquisition. Background technique [0002] Fatigue driving is one of the main causes of road traffic accidents. Therefore, it is of great significance to study the accident warning system for driver fatigue state to reduce traffic accidents and ensure the personal safety of drivers. [0003] Existing fatigue monitoring and early warning systems all use near-infrared LEDs and infrared cameras to collect face information. Due to the complex vehicle environment and changes in sunlight conditions, the contrast between light and dark inside and outside the car is strong, and the camera is prone to overexposure or underexposure when exposing. [0004] Among the existing technical solutions, some technical solutions only consider how to perform exposure processing on human faces, and some technical so...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/235G08B21/06
CPCG08B21/06H04N23/71H04N23/73H04N23/74
Inventor 王红涛张顺军
Owner 智博汽车科技(上海)有限公司