Rapid automatic focusing method and focusing device

An automatic focusing and fast technology, applied in the direction of measurement device, processor architecture/configuration, image data processing, etc., can solve the problems of increased recognition difficulty, missing defects and faults, etc.

Inactive Publication Date: 2020-08-07
CHENGDU NAT RAILWAYS ELECTRICAL EQUIP
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  • Abstract
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  • Claims
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Problems solved by technology

It is more difficult to identify defects in the later stage, and even miss major defects and faults

Method used

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  • Rapid automatic focusing method and focusing device
  • Rapid automatic focusing method and focusing device
  • Rapid automatic focusing method and focusing device

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Embodiment Construction

[0021] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] Such as figure 1 As shown, a fast automatic focusing device provided by the present invention includes an aperture stepping motor, a focal length stepping motor, a motor drive module, a graphics processing unit, a positioning unit, a communication device, an image recognition unit, a power supply module, a display module, A data processing unit; the aperture stepping motor and the focal length stepping motor are respectively connected to the motor drive module; the motor driver, the graphics processing unit, the positioning unit, the communication device, the image recognition unit, and the power module are respectively connected to the The data processing unit is connected.

[0023] The motor drive module includes a motor driver an...

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Abstract

The invention discloses a rapid automatic focusing device, which comprises an aperture stepping motor, a focal length stepping motor, a motor driving module, a graphic processing unit, a positioning unit, a communication device, an image recognition unit, a power supply module, a display module and a data processing unit, wherein the aperture stepping motor and the focal length stepping motor arerespectively connected with the motor driving module; and the motor driver, the graphic processing unit, the positioning unit, the communication device, the image recognition unit and the power supplymodule are respectively connected with the data processing unit. According to the rapid automatic focusing device, dynamic setting of aperture values and focal length values in various scenes can berealized, and a good imaging effect is ensured.

Description

technical field [0001] The invention relates to the field of portable railway detection equipment, in particular to a fast automatic focusing method and a focusing device. Background technique [0002] With the development of my country's railway speed increase, high-speed railway and passenger dedicated line, the catenary occupies a very important position in the electrified railway. Improving the operational reliability of the catenary has become an important link in the safe transportation of railways. [0003] The catenary safety inspection device refers to the detection of the catenary state in the designated section, using a portable image acquisition device, which is temporarily installed on the cab driver's platform of the electric locomotive or EMU in operation, and monitors the catenary cycle and surrounding conditions. graphic gathering. Online or offline analysis of the technical status of the contact suspension components, the external environment around the c...

Claims

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Application Information

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IPC IPC(8): H04N5/232H04N5/235G06T1/20G06T7/00G01S19/45
CPCG06T7/0002G06T1/20G01S19/45G06T2207/30168H04N23/67H04N23/80H04N23/73
Inventor 范国海胡文锐薛晓利吕太洪严文娟
Owner CHENGDU NAT RAILWAYS ELECTRICAL EQUIP
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