Identification photo camera capable of performing human image posture photography prompting and human image posture detection method

A certificate camera and camera technology, applied in the field of certificate photo shooting and processing, can solve the problem of no professional certificate camera and so on.

Active Publication Date: 2015-11-11
GUANGZHOU XINGFU NETWORK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the Internet age, people’s demand for using smart terminals to take photos of ID cards at home is becoming stronger and stronger. However, there

Method used

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  • Identification photo camera capable of performing human image posture photography prompting and human image posture detection method
  • Identification photo camera capable of performing human image posture photography prompting and human image posture detection method
  • Identification photo camera capable of performing human image posture photography prompting and human image posture detection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] The ID camera is an APP (Application, application program) installed on the smart terminal. It can have an Android version and an iOS version. The image data obtained by real-time shooting, the useful area of ​​the image is cropped according to the license standard, and the image information such as color, brightness, background, and biological characteristics of people has not been processed in any way.

[0067] However, the identification camera in this embodiment is aimed at the detection of portrait poses during the shooting process, and can provide shooting prompts according to the detection results of the portrait poses.

[0068] Such as figure 1 As shown, during the shooting process, the viewfinder will capture images according to the frame frequency set by the system and save them in the cache area in the form of preview frame images. The ID image feature recognition thread object will perform portrait feature extraction. The specific details of portrait feature...

Embodiment 2

[0112] Such as Figure 4 As shown, the present embodiment provides a method for detecting posture of a portrait, which is applied to an ID camera and includes the following steps:

[0113] S1. Acquire portrait feature data of the preview frame image; wherein, the portrait feature data includes eyes, nose, ears, mouth, face outline, torso outline, portrait outline, top of the head and chin feature data;

[0114] S2. Compare the acquired feature data of eyes, nose, ears, mouth, top of the head and chin with the preset standard features to judge whether the facial features are complete. If yes, the facial features are visible, and go to step S3; if not, the facial features are not It can be seen that the preset information is called for shooting prompts;

[0115] S3. Determine whether the size and position of the face meet the requirements according to the acquired feature data of eyes, ears, top of the head and chin, including:

[0116] S31. Establish a certificate standard de...

Embodiment 3

[0129] like Figure 5 As shown, the difference between the portrait posture detection method of the present embodiment and embodiment 2 lies in step S3, as follows:

[0130] S3. According to the obtained facial contour feature data, determine whether the size and position of the human face meet the requirements, specifically:

[0131] Determine whether the position of the face contour is within the preset standard face contour range, if not, the size and position of the face does not meet the requirements, call the preset information for shooting prompts; if so, calculate the area of ​​the face contour, and judge the face Whether the outline area is within the preset area of ​​the face outline, if yes, the size and position of the face meet the requirements, and go to step S4, if not, the size and position of the face does not meet the requirements, call the preset information for shooting prompts.

[0132] To sum up, the identification camera and method of the present invent...

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PUM

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Abstract

The present invention discloses an identification photo camera capable of performing human image posture photography prompting and a human image posture detection method. The identification photo camera comprises a human image feature acquisition module, a facial feature detection module, a human face size and position detection module, a human image photography distance detection module, a human face state detection module and a shoulder state detection module. The method comprises: acquiring human image feature data of a preview frame image; and according to the acquired human image feature data, judging whether facial features are complete or not, the size and position of the human face meet requirements or not, a distance from a photographed person to a camera head is an optimal photography distance range or not, the human face is regular or not, and the shoulders are flush or not. According to the identification photo camera and the method, professional human image posture photography prompting can be provided for a user, and operation is performed according to the photography prompting, so that the photography quality of an identification photo is greatly improved.

Description

technical field [0001] The invention relates to a certificate camera and a portrait posture detection method capable of prompting portrait posture shooting, and belongs to the technical field of certificate photo shooting and processing. Background technique [0002] When people go to the photo studio to take ID photos (ID photos refer to photos used in the production of legal documents such as ID cards, passports, Hong Kong passes, Macau passes, Taiwan passes, visas for going abroad, residence permits, social security cards, etc.) Shooting detail requirements, such as: the head should not be tilted, the eyes should be opened to look directly at the camera, the mouth should be closed, the expression should be naturally relaxed, and the shoulders should be placed on an equal footing. Professional photographers will give reminders. [0003] However, in the Internet age, people’s demand for using smart terminals to take photos of their ID cards at home is becoming stronger and ...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/166G06V40/171G06V40/67
Inventor 不公告发明人
Owner GUANGZHOU XINGFU NETWORK TECH
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