Lenses, cameras and electronics

A technology of electronic equipment and camera, which is applied in the field of lens, camera and electronic equipment, can solve the problem that all scenes cannot be compensated accurately, and achieve the effect of reducing the difficulty of correction and reducing the cost

Active Publication Date: 2021-11-09
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, 3D distortion is generally compensated by algorithms, but only specific scenes can be calibrated and compensated, and all scenes cannot be accurately compensated

Method used

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  • Lenses, cameras and electronics
  • Lenses, cameras and electronics
  • Lenses, cameras and electronics

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] The technical solution of the present application will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only some structures related to the present application are shown in the drawings but not all structures.

[0020] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the steps as sequential processing, many of the steps may be performed in parallel, concurrently, or simultaneously. Additionally, the order of steps may be rearranged. The process may be terminated when its operations are complete, but may also hav...

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PUM

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Abstract

The embodiment of the application discloses a lens, a camera and electronic equipment. Wherein, the lens is arranged on the camera head, and the optical distortion of the lens is a negative value, wherein the optical distortion of the lens satisfies a preset curve, and in the preset curve, the absolute value of the optical distortion of the lens and the field of view The angle is positively related. The embodiment of the present application adopts the above-mentioned technical solution to provide a negative distortion lens that satisfies the preset curve, and compensates the 3D distortion formed by shooting in a physical way, which replaces the way of compensation through the correction algorithm in the later stage, and reduces the loss of 3D distortion. The correction is difficult, and at the same time, it breaks the thinking of reducing the optical distortion of the lens in the prior art, and reduces the cost of optical distortion design in the lens production process.

Description

technical field [0001] The embodiments of the present application relate to the technical field of mobile terminals, and in particular, to a lens, a camera, and an electronic device. Background technique [0002] With the continuous development of electronic devices such as mobile phones, tablet computers, and smart cameras, all of the above-mentioned electronic devices have a camera function, and the requirements for the camera function are getting higher and higher. [0003] Wide-angle lenses have a large field of view, usually greater than 100°, and are widely used in electronic equipment to improve the wide-angle of captured images. However, when taking pictures with a wide-angle lens, there will be obvious 3D distortion, that is, the scene at the edge will be stretched, and the shape and proportion of the object will change. see Figure 1A , Figure 1A is a schematic diagram of the principle of 3D distortion generation, according to Figure 1A It can be seen that when ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225
CPCH04N23/957
Inventor 周彦汝
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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