Control method of flashlight module and mobile terminal

A technology of a mobile terminal and a control method, which is applied in the field of communication, and can solve problems such as noise increase and picture jitter, and achieve the effects of reducing power consumption, widening the irradiation range, and enhancing the supplementary light effect

Inactive Publication Date: 2016-08-10
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a control method of a flashlight module and a mobile terminal, which solves the problem of image jitter and noise increase caused by sacrificing the shutter speed or increasing the ISO to achieve normal exposure in the prior art

Method used

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  • Control method of flashlight module and mobile terminal
  • Control method of flashlight module and mobile terminal
  • Control method of flashlight module and mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0026] Such as figure 1 As shown, the first embodiment of the present invention provides a method for controlling a flashlight module, which is applied to a mobile terminal, the mobile terminal includes a camera module and a flashlight module, the flashlight module includes a flashlight, and the control method include:

[0027] Step 101 , acquiring the shooting environment information of the camera module and the distance value between the current subject of the camera module and the camera module.

[0028] In this step, the camera module focuses on the object to be photographed, and obtains the size, distance and shooting environment information of the subject through the image of the camera. For pictures without a specific subject, such as landscapes, the focal length set by the flash module takes priority to cover the shooting range of the camera. In a preferred embodiment, the embodiment of the present invention provides a switch (either a physical button or a virtual bu...

no. 2 example

[0037] Such as figure 2 As shown, the second embodiment of the present invention provides a control method for a flashlight module, the flashlight module includes a flashlight and a lens, and the control method includes:

[0038] Step 201 , acquiring the shooting environment information of the camera module and the distance value of the current subject of the camera module from the camera module.

[0039] In this step, the camera module focuses on the object to be photographed, and obtains the size, distance and shooting environment information of the subject through the image of the camera. For pictures without a specific subject, such as landscapes, the focal length set by the flash module takes priority to cover the shooting range of the camera. In a preferred embodiment, the embodiment of the present invention provides a switch (either a physical button or a virtual button), through which the "automatic focus compensation function of the flashlight" can be turned on or o...

no. 3 example

[0080] Such as Figure 5 As shown, the third embodiment of the present invention provides a mobile terminal 300, the mobile terminal 300 includes a camera module and a flashlight module, the flashlight module includes a flashlight, and the mobile terminal 300 includes:

[0081] An acquisition module 301, configured to acquire the shooting environment information of the camera module and the distance value between the current subject of the camera module and the camera module;

[0082] The first determining module 302 is configured to determine, according to the shooting environment information, that the current shooting subject requires the flashlight module to provide supplementary light;

[0083] The second determination module 303 is configured to determine the target focal length and target output power of the flashlight module according to the distance value and the shooting environment information;

[0084] The control module 304 is configured to control the flashlight ...

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Abstract

The invention provides a control method of a flashlight module and a mobile terminal. The mobile terminal comprises a camera module and the flashlight module, wherein the flashlight module comprises a flashlight. The control method comprises the following steps: obtaining shooting environment information of the camera module and a distance value between a current shot main body of the camera module and the camera module; determining that the current shot main body needs the flashlight module for supplemental lighting according to the shooting environment information; determining a target focal length and a target output power of the flashlight module according to the distance value and the shooting environment information; when the camera module shoots the current shot main body, controlling the flashlight to move to the position corresponding to the target focal length and controlling the flashlight to turn on according to the target output power. The focal length of the flashlight is adjusted through the mobile flashlight module according to the shot main body focused by a camera; the power consumption of the flashlight module is reduced; and the supplemental lighting effect of the flashlight module is strengthened.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for controlling a flashlight module and a mobile terminal. Background technique [0002] At present, the flash modules on the mobile terminal are all fixed, and their irradiation range and distance are both fixed. For subjects with different distances, different fill light intensities can be achieved by adjusting the power of the flash. [0003] If the subject is far away, and the maximum power of the flash is still not sufficient to achieve sufficient light fill effect, you can only sacrifice the shutter speed and increase the sensitivity ISO to achieve normal exposure, and the impact of this is the image shake and noise increase, affecting user experience. Contents of the invention [0004] The purpose of the present invention is to provide a flashlight module control method and a mobile terminal, which solves the problem of picture jitter and noise ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B15/05
CPCG03B15/05
Inventor 王利荣
Owner VIVO MOBILE COMM CO LTD
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