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Image acquisition method and image acquisition device

A kind of image acquisition equipment and equipment technology, applied in the direction of image communication, TV, color TV parts, etc., can solve the problems of large lens volume, low yield rate of lens production, high hardware cost, etc.

Active Publication Date: 2021-07-02
HANGZHOU HIKVISION DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above method has the problems of extremely high hardware cost, very large lens volume and low yield rate of larger lens production.

Method used

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  • Image acquisition method and image acquisition device
  • Image acquisition method and image acquisition device
  • Image acquisition method and image acquisition device

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Embodiment Construction

[0032] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described implementation Examples are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] In order to achieve the purpose of expanding the focal length range of an image acquisition device without increasing the volume of a single lens, an embodiment of the present invention provides an image acquisition method and an image acquisition device.

[0034] The execution subject of the image acquisition method may be an image acqu...

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Abstract

An image acquisition method and an image acquisition device provided by embodiments of the present invention are applied to an image acquisition device including a first chip, a zoom lens, an image sensor, a zoom motor, and a focus motor. The number of the first chip is one. An image acquisition device with two zoom lenses, wherein the two zoom lenses have different zoom ranges, and the zoom ranges of the two lenses have overlapping focal length ranges, including a first short zoom lens and a second long zoom lens. The number of image sensors is two, and the two image sensors correspond to the two zoom lenses respectively, and each of the two image sensors establishes a communication connection with the first chip. The number of zoom motors is 2, the number of focus motors is 2, and the two zoom motors and the two focus motors respectively establish a communication connection with the first chip. By superimposing the zoom ranges of the two zoom lenses, the focal length range of the image acquisition device is expanded without increasing the volume of a single lens.

Description

technical field [0001] The invention relates to the technical field of video monitoring, in particular to an image acquisition method and an image acquisition device. Background technique [0002] With the development of computer, network and image processing technology, video surveillance technology has been widely used. Since video surveillance has diverse image acquisition requirements, such as panoramic image acquisition and key target close-up acquisition, in order to meet the diverse image acquisition requirements, cameras used for video surveillance often require a wide range of focal lengths. [0003] In order to expand the focal length range of the camera, in the corresponding technology, methods such as increasing the lens length of the camera or the number of optical lenses in the lens are usually adopted. However, the above method has the problems of extremely high hardware cost, very large lens volume, and low yield rate of large-volume lenses. Contents of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232
CPCH04N23/67
Inventor 任健
Owner HANGZHOU HIKVISION DIGITAL TECH
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