Face Posture Guidance in Photo-Taking Viewfinder

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Solution Overview

Problem

Existing photo-taking applications fail to provide guidance on adjusting the user's face posture during photo-taking, limiting the quality of captured images.

Innovation Solution

A method and apparatus that collect and analyze image information to compare the user's face posture with a preset template, prompting adjustments to achieve optimal posture for better photo quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If post-processing is applied to captured images to beautify images, then image quality is improved, but the user's face posture cannot be changed

Engineering Contradiction:
Improveimage qualityVSAvoidface posture adjustment capability
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The system performs preliminary face detection and posture analysis on the captured image, then provides real-time feedback to guide the user in adjusting their face posture before the photo is finalized. This preliminary intervention allows posture correction without requiring post-processing, thus resolving the contradiction between image quality improvement and face posture adaptability.

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If camera applications display a frame to identify face position, then face positioning is achieved, but real-time face posture guidance is not provided

Engineering Contradiction:
Improveface position identificationVSAvoidface posture adjustment guidance
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The system compares the detected face posture with a preset standard template and provides real-time feedback to the user through prompts. This feedback mechanism guides the user to adjust their face posture dynamically during the photo-taking process, transforming static face position identification into dynamic posture guidance and improving ease of operation.

Inventive Principle:
Principle #23Feedback

3Manufacturing precision

If photo beautification applications perform post-processing, then skin and color are beautified, but photo-taking guidance during view finding is not provided

Engineering Contradiction:
Improveimage beautification qualityVSAvoidphoto-taking guidance timing
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system performs face detection and provides posture guidance during the view-finding stage, before the photo is captured. This preliminary action ensures that guidance is provided at the optimal moment when the user can still adjust their posture, eliminating the time loss associated with retaking photos and avoiding the need for post-processing corrections.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10616475B2Photo-taking prompting method and apparatus, an apparatus and non-volatile computer storage medium
Publication Date: 2020.04.07 BEIJING BAIDU NETCOM SCI & TECH CO LTD
  • US10616475B2 patent drawing
  • US10616475B2 patent drawing
  • US10616475B2 patent drawing

AI summary

The present disclosure provides a photo-taking prompting method and apparatus, an apparatus and a non-volatile computer storage medium. On the one hand, a user's image information is collected while the user finds view, then the user's face posture information is obtained from the image information, then face posture information of a preset photo-taking template is compared with the user's face posture information, and the user is prompted to adjust the face posture according to a comparison result. The technical solutions provided by embodiments of the present disclosure may implement prompting the user's face posture adjustment while the user finds view and thereby implement providing guidance for the user's face posture, and solve the problem in the prior art about failure to perform photo-taking guidance while the user finds view.