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Record W2974547027 · doi:10.26685/urncst.154

Image Classification by Image Subsets for Fine-Grained Image Recognition

2019· article· en· W2974547027 on OpenAlexafffund
Dario Morle

Bibliographic record

VenueUndergraduate Research in Natural and Clinical Science and Technology (URNCST) Journal · 2019
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Image and Video Retrieval Techniques
Canadian institutionsUniversity of Windsor
FundersUniversity of Windsor
KeywordsComputer scienceArtificial intelligencePattern recognition (psychology)PoolingSalience (neuroscience)SalientFeature extractionImage (mathematics)Image processingContext (archaeology)Feature (linguistics)Contextual image classificationConvolutional neural networkConvolution (computer science)Process (computing)Cognitive neuroscience of visual object recognitionComputer visionArtificial neural networkGeography

Abstract

fetched live from OpenAlex

Fine-grained image recognition is a problem in Computer Vision which focuses on discriminating between objects that appear similar. Two images of an object in this problem classification can appear vastly different while images from different classes can appear nearly identical. To solve this problem, one must determine regions of significance or salient regions of this image and determine the classification from these regions. Current approaches take the approach of a hard extraction of these regions or some small deviation off hard extraction. Furthermore, in most cases, these regions are used without the spatial context of the region positioning in the image, using an approach similar to the bag-of-words model found in natural language processing. The approach described in this paper will abandon salient region proposals, electing instead to decompose the image into a series of subsets. Each of these subsets will undergo the same feature extraction process, carried out by a series of convolution and pooling layers. The output of this process will be used as the input to a recurrent neural network, ultimately classify the initial image. In processing the image in this fashion, each of these subsets’ salience in the context of the larger classification will be determined. A standardized implementation of this architecture has not yet been completed. As such, results indicative of performance can not currently be determined.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.004
Threshold uncertainty score0.015

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.002
Science and technology studies0.0000.001
Scholarly communication0.0010.002
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0040.002

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.067
GPT teacher head0.428
Teacher spread0.361 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2019
Admission routes2
Has abstractyes

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