Image Management Device Block Segmentation Matrix Optimization

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Solution Overview

Problem

Existing methods for ranking images based on importance degrees become resource-intensive as the number of images and objects increases, due to the large size of the probability transition matrix required for calculations, making it difficult for consumer devices to store and process effectively.

Innovation Solution

An image management device that groups images into blocks, calculates intra-block importance degrees, and then determines cluster and image importance degrees, reducing the resource load by using a smaller matrix size and normalizing importance degrees to minimize variations due to grouping methods.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a probability transition matrix is created based on the link structure between all image nodes and person nodes to calculate importance degrees, then the importance degree calculation becomes comprehensive and accurate, but the resource load grows exceedingly large with an increasing number of images and people

Engineering Contradiction:
Improveimportance degree calculation accuracyVSAvoidresource load
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The patent segments the set of images into multiple blocks, where each block contains a subset of images. The link structure is constructed and importance degree calculation is performed separately for each block rather than for all images simultaneously. This segmentation reduces the size of the probability transition matrix from O(N^2) to O((N/B)^2) where B is the block size, significantly reducing computational resource requirements while maintaining calculation accuracy through the accumulation of importance degrees across blocks.

Inventive Principle:
Principle #1Segmentation

2Quantity of substance

If the number of images is increased to store more photographs, then the image storage capacity increases, but the difficulty to select important images increases due to the large number of stored images

Engineering Contradiction:
Improvenumber of stored imagesVSAvoidimage selection difficulty
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent implements a feedback mechanism where the importance degree calculation is performed iteratively. The link structure is constructed from images and people, importance degrees are calculated for all nodes, and then these importance degrees are used to generate ranked lists of images and people. This feedback loop allows the system to automatically identify and prioritize important images based on their relationships with important people, making it easier for users to select relevant images from large collections.

Inventive Principle:
Principle #23Feedback

3Measurement precision

If a link structure is created connecting images and people to calculate importance degrees, then the ability to identify important photographs improves, but the calculation complexity increases with the number of images and people

Engineering Contradiction:
Improveimportant photograph identification accuracyVSAvoidcalculation complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent divides the complete set of images into multiple blocks, where each block is processed independently to calculate importance degrees. This segmentation strategy reduces the calculation complexity from processing all images simultaneously to processing smaller subsets. The link structure is constructed within each block, and importance degrees are accumulated across blocks, achieving both accurate important photograph identification and reduced computational complexity.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9020264B2Image management device, image management method, program, recording medium, and integrated circuit
Publication Date: 2015.04.28 PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
  • US9020264B2 patent drawing
  • US9020264B2 patent drawing
  • US9020264B2 patent drawing

AI summary

An image management device clusters acquired images (S201) and generates blocks by grouping the images (S202). Next, the image management device calculates an intra-block importance degree of each cluster in each generated block (S204), calculates cluster importance degrees by accumulating the calculated intra-block importance degrees of each cluster (S205), and calculates an image importance degree based on the calculated cluster importance degrees (S206).