Normalized Classification Scores for Digital Object Accuracy

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Solution Overview

Problem

Conventional digital classification systems face inaccuracies in classifying digital objects due to variations in the amount of training data, leading to skewed classification scores and incorrect identifications, especially when comparing multiple classification scores for objects with differing numbers of tagged training images.

Innovation Solution

The system normalizes classification scores based on the number of tagged digital training images, using probability functions to transform scores into relative probabilities, thereby accurately classifying unknown digital objects across multiple potential classifications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the number of tagged digital training images is increased to improve classification accuracy, then more training data is available, but classification scores become skewed and lead to incorrect identifications

Engineering Contradiction:
Improveclassification accuracyVSAvoidclassification score accuracy
Core Design Contradiction:
ReliabilityVSMeasurement precision

Solution Approach 1:

The patent transforms classification scores by applying normalization functions that adjust the scores based on the number of training images. This parameter transformation converts raw scores into normalized values that account for training data variations, resolving the skew caused by different training set sizes while maintaining the benefit of having multiple training images.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces a normalization function as an intermediary between the raw classification score and the final classification decision. This intermediary component processes the score to eliminate the bias introduced by varying training data amounts, allowing accurate comparison across different classification models without requiring equal training set sizes.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If multiple classification scores are generated for different known objects, then more classification options are provided, but comparing these scores becomes inaccurate due to variations in training data amounts

Engineering Contradiction:
Improveclassification optionsVSAvoidscore comparison accuracy
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent applies a normalization transformation to each classification score based on the number of training images used for that specific classification model. This parameter change enables accurate comparison of scores across different objects even when their training data amounts differ, preserving the versatility of multiple classification options while ensuring reliable score comparison.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The normalization function creates an equipotential basis for comparing classification scores by adjusting all scores to a common reference frame that accounts for training data variations. This allows fair comparison across different classification models regardless of their individual training set sizes, enabling accurate identification among multiple candidates.

Inventive Principle:
Principle #12Equipotentiality

3Adaptability or versatility

If training data amount varies across different known objects, then diverse object coverage is achieved, but classification scores cannot be accurately compared

Engineering Contradiction:
Improveobject coverageVSAvoidclassification reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent transforms the classification score parameter by applying a normalization function that incorporates the training image count. This transformation maintains the ability to classify diverse objects with varying training data amounts while correcting the reliability issue by adjusting scores to a standardized scale that enables accurate comparison across all objects.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10255527B2Generating and utilizing normalized scores for classifying digital objects
Publication Date: 2019.04.09 DROPBOX INC
  • US10255527B2 patent drawing
  • US10255527B2 patent drawing
  • US10255527B2 patent drawing

AI summary

The present disclosure is directed toward systems and methods that enable more accurate digital object classification. In particular, disclosed systems and methods address inaccuracies in digital object classification introduced by variations in classification scores. Specifically, in one or more embodiments, disclosed systems and methods generate probability functions utilizing digital test objects and transform classifications scores into normalized classification scores utilizing probability functions. Disclosed systems and methods utilize normalized classification scores to more accurately classify and identify digital objects in a variety of applications.