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Record W4396532494 · doi:10.22215/etd/2023-15941

On-camera Hardware Accelerated Visual SLAM

2023· dissertation· en· W4396532494 on OpenAlexfundno aff
S. Nagaya

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldEngineering
TopicRobotics and Sensor-Based Localization
Canadian institutionsnot available
FundersMitacs
KeywordsComputer graphics (images)Computer scienceComputer visionArtificial intelligenceComputer hardware

Abstract

fetched live from OpenAlex

Feature based Visual SLAM is a critical task in computer vision in which Feature extraction process which involves keypoint and descriptor generation is a crucial and time-consuming component. In collaboration with an industry partner, this research explores on-camera acceleration for feature extraction in VSLAM. Focusing on ORB SLAM 3, a prominent open-source Visual SLAM algorithm, we conduct comprehensive timing and performance analysis. Additionally, we assess the viability of replacing ORB with AKAZE for feature extraction. Experiments span Linux, ROS, and real-time environments, utilizing the groundbreaking "Bottlenose" camera, which provides images alongside FAST corners and AKAZE descriptors. Integration of Bottlenose with ORB SLAM 3 through the GigE vision interface enables real-time testing. Our study highlights substantial improvements in feature extraction and tracking times, with noteworthy reductions in CPU usage. On-camera acceleration emerges as a promising avenue for enhancing Visual SLAM, potentially facilitating higher frame rates and resolutions.

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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.130
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
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 head0.019
GPT teacher head0.270
Teacher spread0.251 · 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.

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
Published2023
Admission routes1
Has abstractyes

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