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Apparatus and method for prompting focusing object

A technology of objects and lines, applied in the field of devices that prompt the focus object, can solve problems such as inability to take clear images, affect user experience, failure, etc.

Active Publication Date: 2017-02-01
瑞安市任想科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in some scenes, such as low-light environment, low-contrast environment, etc., the existing autofocus process often fails to take clear images. At this time, it is necessary to manually adjust the focus to determine a clear image However, the mobile terminal does not provide effective prompts to the subject in the existing manual focusing method, so that it is difficult for the user to obtain the current focusing situation during the manual focusing process, which affects the user experience

Method used

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  • Apparatus and method for prompting focusing object
  • Apparatus and method for prompting focusing object
  • Apparatus and method for prompting focusing object

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] The method for prompting the focus object provided by the present invention can be implemented on a device for prompting the focus object, wherein the device can include such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a personal digital assistant (PDA), a tablet computer, etc. (PAD), portable multimedia player (PMP), navigation device, etc.

[0076] If the mobile terminal has an operating system, the operating system can be UNIX, Linux, Windows, Mac OSX, Android, Windows Phone, and the like.

[0077] Application software (Application, APP) is a third-party application program for smart terminals. Users can use various application software for office work, entertainment, and information acquisition. The formats include ipa, pxl, deb, apk, etc. Format.

[0078] image 3 It is a flow chart of Embodiment 1 of the method for prompting the focus object in the present invention; image 3 As shown, the method for prompting the focus ...

Embodiment 2

[0126] Figure 4 The flow chart of the second embodiment of the method for prompting the focus object of the present invention; Figure 4 As shown, the method for prompting the focus object provided by the embodiment of the present invention may include the following steps:

[0127] Step 401 , during manual focus, acquire data of the current image.

[0128] In the embodiment of the present invention, the device for prompting the focus object is illustrated by taking a smartphone with a camera function (hereinafter referred to as a mobile phone) as an example; The data of the current image, such as pixels.

[0129] Step 402: Obtain the gray value of the edge point of the focus object in the current image by using edge detection technology according to the data.

[0130] The mobile phone uses the Soble edge detection algorithm to calculate the gray value of the edge point of the focus object in the current image according to the data obtained in step 401; the Soble edge detec...

Embodiment 3

[0150] Figure 6 Schematic diagram of the structure of the embodiment of the device for prompting the focus object of the present invention, such as Figure 6 As shown, the device 06 for prompting the focus object provided by the embodiment of the present invention includes: an acquisition module 61, a calculation module 62, a determination module 63, a color changing module 64, and a presentation module 65; wherein,

[0151] The acquiring module 61 is configured to acquire data of the current image during manual focusing;

[0152] The calculation module 62 is used to obtain the gray value of the edge point of the focus object in the current image by using edge detection technology according to the data;

[0153] The determining module 63 is configured to determine the thickness of the prompt line and the depth of the prompt line color of the focus object according to the gray value of the edge point, the preset threshold, the preset peak value and the preset rule;

[0154] ...

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Abstract

The invention discloses an apparatus for prompting a focusing object. The apparatus comprises an obtaining module for obtaining data of a current image when hand-operated focusing is carried out, a calculation module for obtaining a gray level value of an edge point of the focusing object in the current image based on the data by using an edge detection technology, a determination module for determining a thickness degree of a prompting line and a dark degree of a prompting line color based on the gray level value of the edge point, a preset threshold value, a preset peak value, and a preset rule, a color changing module for changing the prompting line color into one different from the color of the focusing object when the color of the focusing object is identical with the prompting line color, and a displaying module for displaying the thickness degree of the prompting line and the dark degree of the prompting line color different from the color of the focusing object on the current image. Meanwhile, the invention also discloses a method for prompting a focusing object. Therefore, a striking focusing prompting effect can be realized.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a device and method for prompting a focus object. Background technique [0002] The autofocus technology of the mobile terminal when taking pictures is essentially a data calculation method integrated in the image signal processor (Image Signal Processing, ISP) of the mobile terminal; after the viewfinder captures the most original target images, these target images The data will be sent to the ISP as raw data, and the ISP will analyze the raw data to check the density difference between adjacent pixels in the image; if the focus of the original target image is inaccurate, then the adjacent pixel density At this time, the mobile phone will drive the lens locked into the coil to move through the motor, thereby adjusting the position of the lens and realizing autofocus. [0003] However, in some scenes, such as low-light environment, low-contrast environment, etc....

Claims

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Application Information

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IPC IPC(8): H04M1/725H04N5/232G06T7/00
CPCG06F3/04845G06F3/04883G06F9/451G06T7/40G06F2203/04806H04M1/72439H04M1/72403H04N23/57H04N23/67H04N23/62H04N23/80
Inventor 王猛
Owner 瑞安市任想科技有限责任公司
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