Driving safety auxiliary driving full-color night vision display method and night vision device

Abstract

The invention discloses a driving safety auxiliary driving full-color night vision display method . The method is realized on the basis of a night vision device. The night vision device comprises an ultralow-illumination photosensitive chip, a DSP mainboard and a high-definition display screen, and a far-focus high-definition optical lens is arranged on the photosensitive side of the ultralow-illumination photosensitive chip. The method comprises the following steps: S1, starting the night vision device; S2, sensing, by the ultralow-illumination photosensitive chip, light and transmiting acquired image data to the DSP mainboard in the form of an electric signal; S3, processing, by the DSP mainboard, the image data output by the ultralow-illumination photosensitive chip, automatically adjusting white balance and video exposure parameter values of the image data, and restoring the image data to a natural color through amplification gain processing; and S4, loading the processed image data to the high-definition display screen by the DSP mainboard, and presenting a high-definition night vision picture by means of the high-definition display screen. According to the invention, a nightvision picture can be converted into a full-color high-resolution picture, so that the night vision capability is improved, and the night driving safety is ensured.

Description

technical field [0001] The invention relates to a night vision device, in particular to a driving safety auxiliary driving full-color night vision display method and the night vision device. Background technique [0002] People have very limited eyesight at night, and because of the lack of range of vision for driving at night, car accidents are easy to occur. For this, a wide variety of auxiliary driving equipment has appeared in the prior art, wherein the night vision system can enable the driver to distinguish between 200 and 200 meters. Pedestrians on the side of the road are about 100 meters earlier than xenon headlights, and about 150 meters earlier than ordinary lights. This means that the use of night vision assistance system can improve the safety of driving at night by more than 125%. More comfortable and relaxed. However, in the prior art, passive far-infrared night vision imaging is mainly used, that is, by emitting infrared light invisible to the naked eye, an...

AI Technical Summary

Problems solved by technology

However, in the prior art, the passive far-infrared night vision imaging method is mainly used, that is, by emitting infrared light invisible to the naked eye, and using a far-infrared sensitive detector to detect the thermal radiation of the target itself, this type of night vision device is also called thermal imaging. instrument, its resolution is low, usually 640*320, the image is blurred, and the cost is high, it is difficult to meet the application requirements

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