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Focusing system and focusing method

A focusing method and focusing range technology, applied in the focusing system and focusing field, can solve the problems of not being able to obtain a clear target image, focusing errors, etc., and achieve the effects of improving accuracy, fast and accurate focusing, and narrowing the focusing range

Inactive Publication Date: 2018-10-12
QISDA SUZHOU +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the target object is not the object with the highest contrast ratio, this method of focusing on the object with the highest contrast ratio will lead to focusing errors and cannot obtain an image with a clear target object

Method used

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  • Focusing system and focusing method
  • Focusing system and focusing method

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Embodiment Construction

[0034] In order to have a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed descriptions are provided in conjunction with the embodiments.

[0035] refer to figure 1 , is a functional block diagram of the focusing system provided by the embodiment of the present invention. The focus system 100 of the present invention is applied to an image capture device, the image capture device is used to acquire images, and the focus system 100 is used to focus the image capture device, so that the image capture device can accurately focus on the target object when acquiring images, To obtain a clearer image of the target object. For example, the image capturing device is a video camera, a driving recorder, a monitoring probe or a camera, but not limited thereto. The target object is, for example, a vehicle, a license plate or a specific person (such as a child), but not limited thereto. Such as figure 1 As shown, ...

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Abstract

The invention discloses a focusing system and a focusing method. A reference plane is determined through a captured image, the focusing range of a target is determined according to the reference plane and a preset focusing height, and thus a to-be-focused object is determined within the focusing range of the target. In this way, the focusing range is reduced, other non-objects are eliminated, the focusing accuracy is improved, and quick and accurate focusing can be achieved.

Description

technical field [0001] The present invention relates to a focusing system and a focusing method, in particular to a focusing system and a focusing method for determining a reference plane according to an image, and performing accurate focusing according to the reference plane and a preset focus height. Background technique [0002] With the improvement of living standards and the continuous development of video technology, image capture devices are widely used in homes, offices, schools and entertainment venues. The image capture device may be a video camera, a driving recorder, a monitoring probe, a camera, and the like. When the image capture device is working, in order to obtain a clear image of the target, the image capture device needs to be able to automatically identify the target and focus on the target. [0003] Existing image capture devices usually use contrast detection focusing technology, which finds an object with high contrast in the image and focuses on it ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232
Inventor 蔡肇彦
Owner QISDA SUZHOU
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