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Footprint extraction device based on linear scanning imaging mode

An extraction device and linear scanning technology, applied in the direction of image communication, color TV parts, TV system parts, etc., can solve the problem of large volume, achieve the goal of reducing volume, improving effect and integrity, and improving acquisition accuracy Effect

Pending Publication Date: 2022-02-08
DALIAN EVERSPRY SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defect of large volume of existing footprint collection equipment, the present invention provides a footprint extraction device based on linear scanning imaging, which pulls out the guide rail when in use and retracts the guide rail when storing, which reduces the overall volume of the device and is easy to carry

Method used

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  • Footprint extraction device based on linear scanning imaging mode
  • Footprint extraction device based on linear scanning imaging mode
  • Footprint extraction device based on linear scanning imaging mode

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Embodiment 1

[0031] Such as figure 1 As shown, a footprint extraction device based on a linear scanning imaging method, including a spectroscopic optical path imaging system, a combined light source, a motion scanning mechanism and a main control board;

[0032] The beam-splitting optical path imaging system is connected to the main frame through the optical path carrying bracket, and the beam-splitting optical path imaging system includes an imaging surface, a plurality of mirrors and at least one dichroic beam splitter, and light is irradiated from the imaging surface to some of the mirrors After that, it passes through the dichroic light splitter and enters the lens, where it forms an image on the photosensitive element of the camera. The dichroic beam splitter can reflect light of certain wavelengths, and can also transmit light of certain wavelengths; when the light irradiates the reflection band range corresponding to the dichroic beam splitter, the camera and the lens receive a cert...

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Abstract

The invention discloses a footprint extraction device based on a linear scanning imaging mode, the device comprises a light splitting optical path imaging system and a combined light source, the combined light source provides a multi-angle and multi-band light source for the light splitting optical path imaging system; the light splitting optical path imaging system comprises an imaging surface, a plurality of reflectors and at least one dichroic light splitting sheet, and light irradiates the reflectors from the imaging surface and then enters the imaging device through the dichroic light splitting sheet. According to the invention, through light distribution of the light sources with different wavebands, footprint image scanning in different view fields can be realized, and the footprint extraction effect and integrity are greatly improved.

Description

technical field [0001] The invention relates to the technical field of footprint collection, in particular to a footprint extraction device based on a linear scanning imaging method. Background technique [0002] At present, there are two ways to collect footprints. One is the traditional manual photographing method. There are human errors in this method, because the operating habits of each case handler are different, and the on-site environment is different, which will cause incomplete footprints and different picture shooting angles. Specifications, uneven lighting and other issues. The above problems will interfere with the normal extraction of footprints. The second is to obtain footprints through the acquisition of footprints. On the market, area array cameras are used to collect footprints. The accuracy is not high, and the effect of collecting difficult footprints is relatively poor. Existing footprint acquisition equipment is large in size and inconvenient to carry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1174H04N5/225G02B27/10
CPCA61B5/1174G02B27/10H04N23/56H04N23/55
Inventor 李岱熹刘飞达万德鹏任亚周杨雄王宝良
Owner DALIAN EVERSPRY SCI & TECH
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