Unmanned vehicle vision enhancement device and method in extreme environment

Abstract

The invention relates to an unmanned vehicle vision enhancement device and method in an extreme environment, and belongs to the field of unmanned environment perception. The unmanned vehicle vision enhancement device comprises an image enhancement device which comprises a filtering device, an image analysis unit and a fixing device, wherein the light filtering device comprises a circular polarizerprovided with a rear base frame, an outer gear ring, a motor driving unit and a gear mounted on the motor driving unit; the motor driving unit controls the gear to drive the outer gear ring and the circular polarizer to rotate synchronously; and the image analysis unit outputs motor rotation angle and direction signals. According to the unmanned vehicle vision enhancement device and the method, stepless adjustment of the filtering effect is realized by controlling the rotation angle of the circular polarizer, an image is analyzed by using a convolutional neural network model and pre-trainingweight parameters, the rotation angle and direction of the circular polarizer are determined, and a periodic scanning method is provided to correct the position of the circular polarizer.

Description

technical field [0001] The invention belongs to the field of unmanned driving environment perception, and relates to a vision enhancement device and method for unmanned vehicles in extreme environments. Background technique [0002] Intelligent driving vehicles have developed rapidly in recent years. Advanced Driver Assistance Systems (ADAS) have been widely used in the automotive field, which can reduce traffic accidents, traffic jams and air pollution. Perfect detection of vehicles. With the vigorous development of computer vision object detection technology, the use of key feature information such as edges, shadows, and light and deep feature information of convolutional neural networks to detect vehicles enables intelligent transportation systems to solve some of the core challenges in vehicle detection. [0003] Light is a transverse wave whose propagation direction is perpendicular to the vibration direction. Natural light such as sunlight is unpolarized light, which ...

AI Technical Summary

Problems solved by technology

In actual application, the polarizer is in a state of reciprocating movement, resulting in unstable image quality

[0007] Again, this patent application only analyzes the maximum area of ​​the bright area or the number of non-circular bright areas in the region of interest of the image, and performs jump adjustment according to the preset threshold, which is applicable to few scenarios

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