Video Processing for Automatic Magic-Moment Photo Capture

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Solution Overview

Problem

Existing intelligent terminal cameras fail to capture high-quality images of magic moments during video recording, leading to poor user experience.

Innovation Solution

A video processing method that automatically identifies magic moments and triggers photographing to obtain high-quality photos, allowing simultaneous capture of both high-quality photos and videos.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If video recording is performed during magic moments, then video capture is achieved, but photo quality deteriorates

Engineering Contradiction:
Improvevideo capture capabilityVSAvoidphoto quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent divides the video recording process into distinct segments: continuous video capture and intermittent high-quality photo capture at detected magic moments. The processing unit separates video data stream handling from image data stream handling, allowing independent optimization of each mode without compromising the other.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent performs preliminary detection of magic moments using the processing unit before triggering photo capture. The system pre-identifies moments worth capturing by analyzing video data in real-time, then switches to high-quality photo mode only when necessary, ensuring photo quality is maintained while minimizing interference with video recording.

Inventive Principle:
Principle #10Preliminary action

2Manufacturing precision

If automatic magic moment identification is implemented, then photo quality improves, but device complexity increases

Engineering Contradiction:
Improvephoto qualityVSAvoidprocessing complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The processing unit serves multiple functions: it processes video data streams, detects magic moments, triggers photo capture, and manages data storage. This multi-functionality eliminates the need for separate dedicated components for each task, reducing overall device complexity while maintaining high photo quality through intelligent automation.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system performs automatic magic moment detection and photo triggering without user intervention. The processing unit autonomously analyzes video content, identifies significant moments, and executes photo capture decisions, making the complex processing transparent to the user while delivering high-quality results.

Inventive Principle:
Principle #25Self-service

3Manufacturing precision

If high-quality photo capture is triggered during video recording, then image quality improves, but processing time increases

Engineering Contradiction:
Improveimage qualityVSAvoidprocessing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The patent implements periodic detection of magic moments rather than continuous high-quality photo capture. The processing unit samples video data at intervals and triggers photo capture only when magic moments are detected, creating a periodic pattern of high-quality capture that minimizes processing time while maintaining image quality for significant moments.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system applies partial action by capturing high-quality photos only for detected magic moments rather than continuously. This selective approach uses excessive processing power only when necessary (at magic moments) while using minimal processing for continuous video recording, optimizing the balance between image quality and processing time.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentEP4199492B1Video processing method and electronic device
Publication Date: 2025.08.06 HONOR DEVICE CO LTD
  • EP4199492B1 patent drawingFigure 1
  • EP4199492B1 patent drawingFigure 2(1)
  • EP4199492B1 patent drawingFigure 2(2)

AI summary

A video processing method and an electronic device are provided. The method includes: displaying a first interface, where the first interface is a play interface of the first video, the first interface includes a first control and a first area, the first area displays a thumbnail of a first photo and a thumbnail of a second photo, the first photo is automatically taken at a first moment, the second photo is automatically taken at a second moment, the first video clip is a first scene, the second video clip is a second scene, the first photo is a photo in the first video clip, the second photo is a photo in the second video clip, a score of the first photo is greater than a first threshold, and a score of the second photo is greater than a second threshold; and displaying a second interface in response to a second operation with respect to the first control, where the second interface is a play interface of a second video. According to the video processing method in embodiments of this application, a magic moment with a high score can be determined, so as to obtain a photo of a magic moment with higher image quality and a selected short video, providing better user experience.