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Device and method for realizing focusing in micro-distance mode

A mode, macro technology, applied in color TV parts, TV system parts, TV and other directions, can solve problems such as large pixel range and slow shooting speed

Active Publication Date: 2017-03-08
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, compared with professional photographic equipment, many functions of mobile phones are still insufficient in taking pictures; Both close-range and long-range shots are taken, so the pixel range of shooting is relatively large, and the shooting speed is relatively slow

Method used

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  • Device and method for realizing focusing in micro-distance mode
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  • Device and method for realizing focusing in micro-distance mode

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0068] image 3 It is a flow chart of Embodiment 1 of the method for realizing focusing in the macro mode of the present invention; image 3 As shown, the method for achieving focus in the macro mode provided by the embodiment of the present invention may include the following steps:

[0069] Step 301: In the macro mode, within the preset image distance, sample the image corresponding to each image distance point according to the preset sampling condition, to obtain the sampled image corresponding to each image distance point; Assuming that the image distance is the distance between the preset image distance point and the image sensor, the preset image distance is less than or equal to the maximum distance between the camera and the image sensor.

[0070] In the macro mode, the image sensor samples the images corresponding to each image distance point within the preset image distance range according to the preset sampling conditions, such as the method of reducing the pixel r...

Embodiment 2

[0080] Figure 4 It is a flow chart of Embodiment 1 of the method for realizing focusing in the macro mode of the present invention; Figure 4 As shown, the method for achieving focus in the macro mode provided by the embodiment of the present invention may include the following steps:

[0081] Step 401: In the macro mode, within the preset image distance, the image corresponding to each image distance point is sampled according to the preset sampling condition, to obtain the sampled image corresponding to each image distance point.

[0082] In the macro mode, each image distance point is determined by changing the distance between the camera and the image sensor within the preset image distance range. While changing the distance between the camera and the image sensor, according to the preset sampling conditions, For example, by reducing the pixel range, the image sensor samples the image at each image distance point, and obtains the sampled image corresponding to each image...

Embodiment 3

[0104] Figure 10 It is a schematic diagram of an embodiment of a device for achieving focus in the macro mode of the present invention; Figure 10 As shown, the device 010 for achieving focusing in the macro mode provided by the embodiment of the present invention includes: a sampling module 0101, a calculation module 0102, and a determination module 0103; wherein,

[0105] The sampling module 0101 is configured to sample images corresponding to each image distance point within a preset image distance according to preset sampling conditions in the macro mode, to obtain the sampled images corresponding to each image distance point image; the preset image distance is the distance between the preset image distance point and the image sensor, and the preset image distance is less than or equal to the maximum distance between the camera and the image sensor; the preset sampling condition is to reduce Any one of pixel range mode, small sampling mode, and down-sampling mode; the pr...

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PUM

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Abstract

The invention discloses a device for realizing focusing in a micro-distance mode. The device comprises a sampling module, a calculating module and a determining module. The sampling module is used for performing sampling on an image which corresponds with each image distance point in a preset image distance according to a preset sampling condition and obtaining a sampled image that corresponds with each image distance point in the micro-distance mode. The calculating module is used for calculating a sharpness value of the sampled image which corresponds with each image distance point. The determining module is used for determining the corresponding image distance point of which the sharpness value accords with a preset rule as a focus point. The invention further discloses a method for realizing focusing in the micro-distance mode. The device and the method for realizing focusing in the micro-distance mode realizes a focusing function on an objective target in the micro-distance mode and furthermore improve a photographing speed.

Description

technical field [0001] The invention relates to the field of macro shooting, in particular to a device and method for realizing focusing in a macro mode. Background technique [0002] With the advancement of technology and the advent of the mobile Internet era, mobile phones have become an indispensable electronic device in people's daily life; with the continuous improvement of the resolution of mobile phone cameras and the increasing maturity of camera phone technology, mobile phones are characterized by their small size and light weight. , the advantage of being easy to carry has gradually replaced the camera as a convenient tool for people to take pictures every day, and taking pictures with mobile phones anytime and anywhere has become a part of people's lives. [0003] However, compared with professional photographic equipment, many functions of mobile phones are still insufficient in taking pictures; Both close-range and long-range shots are taken, so the range of pi...

Claims

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Application Information

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IPC IPC(8): H04N5/232
CPCH04N23/67
Inventor 姬向东
Owner NUBIA TECHNOLOGY CO LTD