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AUTOMOTIVE RADAR BASED LEAN DETECTION OF VEHICLES

2022· article· en· W4281654129 on OpenAlexafffund
Abdullah M. Moussa, N. El-Sheimy

Bibliographic record

Venue˜The œinternational archives of the photogrammetry, remote sensing and spatial information sciences/International archives of the photogrammetry, remote sensing and spatial information sciences · 2022
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Neural Network Applications
Canadian institutionsUniversity of Calgary
FundersNatural Sciences and Engineering Research Council of CanadaCanada Research Chairs
KeywordsComputer scienceArtificial intelligenceRadarObject detectionAutomotive industryIntersection (aeronautics)Computer visionMinimum bounding boxPixelConvolutional neural networkAdvanced driver assistance systemsKernel (algebra)Real-time computingPattern recognition (psychology)EngineeringImage (mathematics)TelecommunicationsMathematics

Abstract

fetched live from OpenAlex

Abstract. One of the most critical features of autonomous vehicles is the detection of road active objects such as vehicles and pedestrians. The autonomous vehicles’ navigation planning and manoeuvre decision-making are aided by the detection of such active objects, resulting in safe and efficient navigation. Deep Convolutional Neural Networks (CNNs) have recently advanced to become one of the state-of-the-art ways to solving detection challenges, particularly in the autonomous vehicle area. Deep CNNs typically use a large number of processing layers with a high number of kernels per layer to enable detection of the target classes which also demands the use of powerful hardware units. In this research, we present a tailored lean detection strategy for vehicle detection using radar observations. The proposed method employs a compact set of convolutions, as well as pixel classification and a customized selection of kernels and kernel sizes, to provide an efficient technique that greatly decreases detection burden and enables real-time processing on average processing units. A training dataset is used to train the convolution window sizes and the pixel classifiers. Finally, the pixel classified grids are processed to identify the vehicles' bounding boxes. Experimental data sets have been collected using medium-range radar sensors mounted on top of a vehicle to evaluate the suggested approach, the Intersection over Union (IoU) values of the test scenes’ detections range from 0.51 to 0.78.

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)0.000
metaresearch head score (Gemma)0.001
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: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.004

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.001

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 head0.016
GPT teacher head0.249
Teacher spread0.233 · 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

Citations1
Published2022
Admission routes2
Has abstractyes

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