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A method for solving camera overexposure and underexposure and mobile terminal

A mobile terminal and camera technology, applied in image communication, TV, color TV components, etc., can solve the problems of not being able to increase the standard dynamic response range of the camera sensor, underexposure, etc., to increase the standard dynamic response range and solve overexposure. and underexposure effects

Active Publication Date: 2019-06-11
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, adjusting the aperture or shutter does not increase the standard dynamic response range of the camera sensor. Adjusting the aperture or shutter may cause underexposure of the original normal part while solving the overexposure phenomenon.

Method used

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  • A method for solving camera overexposure and underexposure and mobile terminal
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  • A method for solving camera overexposure and underexposure and mobile terminal

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] It should be noted that the terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that t...

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Abstract

The embodiment of the present invention discloses a method for solving camera overexposure and underexposure and a mobile terminal, wherein the method includes: adding target Gaussian white noise to the camera sensor; shooting to obtain a first image, wherein the light intensity range of the target scene exceeds the standard dynamic response range of the camera. Implementing the embodiment of the present invention can increase the standard dynamic response range of the camera.

Description

technical field [0001] The invention relates to the technical field of mobile communication terminals, in particular to a method for solving camera overexposure and underexposure and a mobile terminal. Background technique [0002] The camera sensor has a standard dynamic response range. When the light intensity entering the lens is within the standard dynamic response range of the camera sensor, the camera sensor can image normally. If the light intensity input to the camera is higher than the maximum value of the standard dynamic response range of the camera sensor, the camera will be overexposed; if the light intensity input to the camera is lower than the minimum value of the standard dynamic response range, the camera will be underexposed Phenomenon. [0003] For example, the standard dynamic response range of the camera sensor is [65,1024]. If the light intensity input to the camera is converted into pixels by analog-to-digital AD, the pixels higher than 1024 will be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/235
CPCH04N23/741
Inventor 唐金伟
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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