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Photographing method of mobile terminal and mobile terminal

A technology of a mobile terminal and a shooting method, applied in the field of photography, can solve problems such as expensive photosensitive hardware, inability to meet users, and lack of star trail shooting functions, so as to improve user experience and meet diverse needs.

Active Publication Date: 2015-11-25
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When shooting star trails, the exposure time usually takes 20 to 60 minutes, and the photosensitive hardware that can support long exposure is relatively expensive, so it is impossible for non-professional shooting devices such as mobile phones, tablet computers and other mobile terminals to be equipped with such expensive photosensitive hardware. hardware
Therefore, the existing mobile terminals are limited by the camera hardware and do not yet have the function of shooting star trails, which cannot meet the needs of users for shooting star trails with mobile terminals.
At the same time, when using a professional camera device to shoot star trails, users cannot preview the shooting effect in real time

Method used

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  • Photographing method of mobile terminal and mobile terminal
  • Photographing method of mobile terminal and mobile terminal
  • Photographing method of mobile terminal and mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0035] see figure 1 , propose the first embodiment of the photographing method of the mobile terminal of the present invention, the photographing method includes the following steps:

[0036] Step S101: After the shooting starts, the camera collects an image every preset time

[0037] The present invention adds a star trail shooting mode to the shooting function of the mobile terminal. The user can choose the star trail shooting mode or the normal shooting mode to shoot, wherein the star trail shooting mode combines the requirements of the star trail shooting scene and presets the exposure Time, sensitivity (ISO, International Standards Organization), resolution, exposure compensation, noise reduction and other parameters can also be preset according to different starry sky scenes over different regions for users to choose when shooting.

[0038] When the user selects the star trail shooting mode, presses the shooting button or triggers the virtual shooting button, the mobile...

no. 2 example

[0050] see figure 2 , propose the second embodiment of the photographing method of the mobile terminal of the present invention, the photographing method includes the following steps:

[0051] Step S201: After receiving the shooting instruction, start shooting after a preset time delay

[0052] In order to prevent the slight shake generated when the shooting button is pressed from affecting the shooting effect, this embodiment implements the anti-shake function by delaying the shooting. That is, after the user presses the shooting button and sends out a shooting instruction, the mobile terminal does not start shooting immediately, but delays for a preset time, and starts shooting after the artificially generated shaking ends. The preset time is preferably 1-3 seconds.

[0053] Step S202: Using the front camera to collect an image every preset time

[0054] When the user is shooting star trails, the camera needs to face the sky. If the rear camera is used to shoot, the scre...

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Abstract

A mobile terminal photographing method and a mobile terminal are disclosed in the present invention. The photographing method comprises the steps of: a camera collects one image every other preset period after starting photographing; and a synthesizing image is generated by performing image synthesis according to the brightness information of a current image and a previous image. A long time exposure is thereby simulated by the use of image synthesis technique, and the long time exposure is performed by continuously collecting image data of a captured object, a star orbit photographing function is thereby added to the mobile terminal, so that a user can take use of the mobile terminal for capturing the star moving orbit or for similar applicable scene according to the setting, and can preview the photographing effect at real time. Various needs of the user are thereby satisfied, and the user experience is enhanced. Meanwhile, a preferred way to perform image synthesis is bright pixels replacing, compared with the way of bright pixels adding, the present embodiments can capture the star moving orbit more clearly, and prevent other bright pixels next to the star orbit and too bright from affecting the star orbit effect.

Description

technical field [0001] The present invention relates to the technical field of photographing, in particular to a photographing method of a mobile terminal and the mobile terminal. Background technique [0002] With the continuous improvement of camera hardware of mobile terminals such as mobile phones and tablet computers, the shooting functions of mobile terminals are becoming more and more diversified, and users have higher and higher requirements for shooting of mobile terminals. The shooting functions of current mobile terminals depend on the relevant processing algorithms provided by camera hardware equipment and chip suppliers, and only have several fixed shooting modes such as focus and white balance. [0003] Professional camera devices such as SLR cameras are supported by light-sensitive hardware and can be exposed for a long time, so they can be used for star trail photography and capture the trajectories of stars. When shooting star trails, the exposure time usua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232
CPCH04N5/232H04N5/2621H04N23/951H04N23/63H04N23/741H04N23/62
Inventor 崔小辉魏强
Owner NUBIA TECHNOLOGY CO LTD
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