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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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no. 1 example
[0040] 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:
[0041] Step S101: After the shooting starts, the camera collects an image every preset time
[0042] 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.
[0043] When the user selects the star trail shooting mode, presses the shooting button or triggers the virtual shooting button, the mobile...
no. 2 example
[0056] 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:
[0057] Step S201: After receiving the shooting instruction, start shooting after a preset time delay
[0058] 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.
[0059] Step S202: Using the front camera to collect an image every preset time
[0060] 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
The invention discloses a mobile terminal and a photographing method thereof. The mobile terminal comprises an image pick-up module, an image synthesis module and a display module, wherein the image pick-up module is used for continuously picking up images through a camera; the image synthesis module is used for selecting high-brightness pixels from a basic image and images picked up at present to generate a synthetic image; the display module is used for displaying the synthetic image in real time, wherein the image synthesis module takes the first image picked up as the basic image for primary image synthesis and the generated synthetic image as the basic image for next image synthesis. In this way, the image synthesis technology is adopted to simulate long-time exposure, and a star trajectory photographing function is added to the mobile terminal so that a user can take a picture of a star motion trajectory by using the mobile terminal or the mobile terminal can be applied to similar application scenes; besides, the mobile terminal is further capable of realizing a preview image pick-up effect, meeting the diversified requirements of users and enhancing the experience of the users.
Description
[0001] This application is a divisional application of an invention application. The application date of the invention application is: March 24, 2014, the application number is: 2014101126543, and the invention name is: a mobile terminal shooting method and a mobile terminal. technical field [0002] The present invention relates to the technical field of photographing, in particular to a mobile terminal and a photographing method thereof. Background technique [0003] 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. [0004...
Claims
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