Image collection device, photography device and image collection method

Abstract

The invention discloses an image collection device, a photography device and an image collection method. The image collection device comprises a camera device, a beam splitter, autofocus devices, an image fitting device and a control system; the camera device comprises a plurality of cameras and a single-wavelength filter in front of the cameras; the beam splitter is arranged in front of the camera device, and the incident light is respectively projected to the cameras; each camera is matched and connected with an autofocus device, and the autofocus device controls the focus of the camera; theimage fitting device receives monochrome images shot by the cameras and fits the monochrome images into a final image; and the control system is separately connected with and controls the cameras, the autofocus devices and the image fitting device. The image collection device collects monochrome images of different colors and fits the monochrome images into the final image more easily, the requirements for the lens is lower, the effect is better, the cost of the image collection device is lower, and the collected infrared images can be applied to slit lamp microscopes, surgical microscopes, other medical image collection.

Description

technical field [0001] The present invention relates to the field of photography, in particular to an image acquisition device, a photography device and an image acquisition method. Background technique [0002] Black-and-white cameras with three-color separation have appeared for many years. Compared with single-image sensor cameras, their color reproduction and image clarity have obvious advantages. Instead, it requires a complex lens group to adapt and uniformly adjust the focus like an ordinary camera. In this way, because the focal lengths of different wavelengths of light must be adjusted uniformly, it is very difficult to design the adapted lens, resulting in a higher cost for the image acquisition device. . [0003] Today's image acquisition devices with simple lenses for medical use (such as medical slit lamp microscopes, surgical microscopes, etc.) need to obtain clearer images, but it is very difficult to eliminate artifacts such as "color fringing" of the camera...

AI Technical Summary

Problems solved by technology

[0002] Black-and-white cameras with three-color separation have appeared for many years. Compared with single-image sensor cameras, their color reproduction and image clarity have obvious advantages. Instead, like ordinary cameras, complex lens groups are required for adaptation and unified focus. In this way, because the focal lengths of lights of different wavelengths must be adjusted uniformly, it is very difficult to design the adapted lens, resulting in a higher cost for the image acquisition device.

[0003] Today's image acquisition devices with simple lenses for medical use (such as medical slit lamp microscopes, surgical microscopes, etc.) need to obtain clearer images, but it is very difficult to eliminate artifacts such as "color fringing" of the camera, and because the human eye It is impossible to directly observe infrared rays, which makes it very difficult to adjust the focus during infrared photography, and the digital images obtained are greatly different from what users see, which makes many functions that require accurate images impossible to achieve (such as analyzing eye health through eye images) state)

Images