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Attention-Based Multi-Scale Graph Convolution for Point Cloud Semantic Segmentation

2022· article· en· W4312988612 on OpenAlexaffabout
Perpetual Hope Akwensi, Ruisheng Wang

Bibliographic record

VenueIGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium · 2022
Typearticle
Languageen
FieldEngineering
Topic3D Shape Modeling and Analysis
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsPoint cloudComputer scienceSegmentationConvolution (computer science)GraphArtificial intelligenceEuclidean geometryClass (philosophy)Theoretical computer sciencePattern recognition (psychology)MathematicsArtificial neural network

Abstract

fetched live from OpenAlex

Geometric deep learning on non-Euclidean data, particularly point clouds, has in recent years been getting a lot of attention and success. Despite this success, the relationship between points in a delineated subgraph have still not been fully explored - like the under exploration of correlations between inter-class and/or intra-class point connections - leading to suboptimal point cloud segmentations. Thus, this study proposes a scale-invariant graph attention convolution network that has the capacity to dynamically adapt to sub-graph structures at varying scales, and reduce noisy local feature propagation due to mixed object class neighborhoods. The efficacy of the proposed framework is evaluated using the Toronto3D benchmark dataset and attained an mI-oU of 61.2%, outperforming all the existing methods it was compared to.

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.695
Threshold uncertainty score0.818

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.014
GPT teacher head0.248
Teacher spread0.234 · 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 teacher head, 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

Citations4
Published2022
Admission routes2
Has abstractyes

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