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Integration of Photogrammetry and Deep Learning in Earth Observation Applications

2021· article· en· W3205596372 on OpenAlexaff
José Marcato, Pedro Zamboni, Mariana Campos, Ana Paula Marques Ramos, Lucas Prado Osco, Jonathan R. Silva, Wesley Nunes Gonçalves, Jonathan Li

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEarth and Planetary Sciences
Topic3D Surveying and Cultural Heritage
Canadian institutionsUniversity of Waterloo
FundersFundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do SulConselho Nacional de Desenvolvimento Científico e TecnológicoCoordenação de Aperfeiçoamento de Pessoal de Nível Superior
KeywordsPhotogrammetryArtificial intelligenceComputer scienceDeep learningGeospatial analysisComputer visionPoint cloudSegmentationOrientation (vector space)Image segmentationRemote sensingGeology

Abstract

fetched live from OpenAlex

The integration of photogrammetry and deep learning methods can be powerful for Earth observation applications. Photogrammetry techniques allow the achievement of detailed geospatial products with em-level positional accuracy. Deep learning enables automatic image classification, segmentation, and object detection. For instance, when dealing with a large data set, photogrammetric processing steps, such as image orientation and dense point cloud generation, results in high computational costs. In contrast, deep learning methods are fast in the inference step. Here, we explore the complementarity of deep learning and photogrammetry, aiming to generate accurate and fast geospatial information. The main aim is to discuss the possibilities of using deep learning in the photogrammetric process. We conduct experiments to present the potential of the Mask R-CNN method trained on the COCO dataset to generate masks, essential to remove image observations from moving objects during the orientation (alignment) step.

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)0.001
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: Methods · Consensus signal: Methods
Teacher disagreement score0.006
Threshold uncertainty score0.012

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.001

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 head0.026
GPT teacher head0.224
Teacher spread0.198 · 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
GenreMethods

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
Published2021
Admission routes1
Has abstractyes

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