Image Displaying Apparatus Speed Adjustment via Beginning Frame Comparison

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Solution Overview

Problem

Conventional image displaying methods for monitoring videos struggle with computation efficiency and fail to adjust playback speed for different parts of the video content effectively, leading to inefficient searching and identification processes.

Innovation Solution

An image displaying apparatus and method that automatically adjust the displaying speed based on the time difference between groups of images, allowing for individualized playback speeds by comparing the time difference between beginning image frames of adjacent groups and adjusting accordingly, thereby distinguishing important from unimportant content.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If conventional video rapidly replaying method analyzes each image frame using contour identification or pixel variation analysis, then the replaying speed can be adjusted, but the computation efficiency deteriorates due to huge data computation

Engineering Contradiction:
Improvereplaying speedVSAvoidcomputation efficiency
Core Design Contradiction:
SpeedVSProductivity

Solution Approach 1:

The video data is divided into multiple groups of images, where each group contains a beginning image frame and at least one non-beginning image frame. The system analyzes only the beginning image frames to determine time differences, rather than analyzing every single frame. This segmentation approach significantly reduces computation while still enabling speed adjustment based on content variation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention extracts only the essential information needed for speed determination by comparing beginning image frames of consecutive groups. Instead of processing all frame data, it extracts the time difference between beginning frames and uses this extracted information to control replay speed, eliminating unnecessary computation.

Inventive Principle:
Principle #2Taking out (Extraction)

2Productivity

If conventional video rapidly replaying method sets a region of interest within the image frame, then the computation efficiency improves, but the system cannot adjust several parts of the monitoring video via respective speeds

Engineering Contradiction:
Improvecomputation efficiencyVSAvoidspeed adjustment flexibility
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The system applies different replay speeds to different groups of images based on their individual time differences. Each group can have its own playback speed determined by its beginning image frame comparison, allowing localized speed adjustment for different parts of the video while maintaining computational efficiency through group-based processing.

Inventive Principle:
Principle #3Local quality

3Ease of operation

If conventional video rapidly replaying method adjusts the monitoring video via single speed, then the system operation is simple, but the searching efficacy deteriorates when important events occur at different times in different video segments

Engineering Contradiction:
Improvesystem operation simplicityVSAvoidsearching time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The replay speed is dynamically adjusted for each group of images based on the time difference between beginning frames. The system automatically determines appropriate speeds without complex user configuration, making the operation simple while significantly reducing search time by playing back static segments faster and important segments at normal or reduced speeds.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10701306B2Image displaying apparatus and image displaying method
Publication Date: 2020.06.30 VIVOTEK INC
  • US10701306B2 patent drawing
  • US10701306B2 patent drawing
  • US10701306B2 patent drawing

AI summary

An image displaying method capable of automatically adjusting a displaying speed according to content of the image is applied to an image displaying apparatus. The image displaying method includes acquiring video data containing a first group of images and a second group of images, acquiring a first time difference between a first beginning image frame of the first group of images and a second beginning image frame of the second group of images, comparing the first time difference with a predetermined threshold value, and adjusting the displaying speed of the first group of images in accordance with a comparison result. Each group of images is consisted of a beginning image frame and at least one non-beginning image frame.