A high-speed camera method and application device using a fast switching light source

Abstract

The invention discloses a high-speed photographing method using a fast switching light source and an application device, comprising the following steps: the photographing device continuously photographs a target object, and within each shutter time of the photographing device, the rapid switching light source successively emits several different colors The monochromatic light illuminates the target object, and then the color separation images corresponding to the monochromatic light of different colors are extracted from the mixed image, and arranged and integrated according to the time sequence of successive irradiation. The invention also discloses a high-speed camera device using an LED light source, which includes a camera module, an LED light source module, a light-on control circuit module, and an image processing module; the camera module includes a camera lens and a camera sensor corresponding to the camera lens. The LED light source module includes several LED light emitting devices with different light emitting colors, the switch control circuit module is used to control the LED light source module and the photographing module, and the image processing module is used to receive and process images captured by the photographing module.

Description

technical field [0001] The invention relates to the field of high-speed camera systems, in particular to a high-speed camera method using a fast switching light source, and the invention also provides a device applying the method. Background technique [0002] High-speed photography is a method of closely linking the spatial information and time of the high-speed motion change process for image recording. It can continuously record transient and high-speed processes, and use image analysis equipment for quantitative calculations. Its earliest application For ballistic analysis, it has gradually expanded from military to civilian, from industry to medical biology, from macroscopic mechanical movement to microscopic mechanism research. High-speed video can complete fast and multiple sampling of high-speed targets in a short period of time. When projected at a regular speed, the change process of the recorded target is clearly and slowly presented in front of our eyes. High-sp...

AI Technical Summary

Problems solved by technology

The above-mentioned flashlight has its shortcomings, that is, it cannot realize instantaneous fast switching: there is a certain delay time from its power on to the start of light emission, commonly known as preheating; there is also a certain delay time from its power failure to the end of light emission , commonly known as afterglow

In high-speed video recording, especially in dark environments, the continuous flashing of the flash cannot reach a high flashing frequency due to the existence of the delay time (afterglow).

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