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Record W4390861366 · doi:10.21015/vtse.v10i2.911

Energy Based Segmentation for Lungs Surrounding Pulmonic Diffusion in CT Images.

2022· article· en· W4390861366 on OpenAlexaff
Muhammad Junaid Khan, Lubna Farhi, Hassan Imam, Farhan Ur Rehman

Bibliographic record

VenueVFAST Transactions on Software Engineering · 2022
Typearticle
Languageen
FieldMedicine
TopicCOVID-19 diagnosis using AI
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsSegmentationHausdorff distanceBoundary (topology)Computer scienceEnergy (signal processing)Artificial intelligenceGround truthHistogramPattern recognition (psychology)AlgorithmLevel set methodImage segmentationMathematicsImage (mathematics)Statistics

Abstract

fetched live from OpenAlex

Increasing number of COVID-19 Positive cases has lead for an immediate analytical requirement and fast decision making method that uses an adaptive algorithm to formulate an energy based segmentation technique. The proposed algorithm is developed using Level-Set to achieve the required results. This hybrid type method will use local along with global energies that happens to be very efficient for matching the patterns, segmenting the selected area and depends on tracing the anatomic type structures through exploiting the constraints that can be extracted out of the data set containing CT Images. This framework can perform an independent stochastic segmentation of COVID-19 in CT Imaging by smartly combining the level-set, region based, global along with three different types of energies being established as uniform modling energy (UE), mean separation energy (ME) and histogram separation energy (HE) all under same archetecture. The selection of Level-Set technique has solved the topology of the problem by defining the segmentation of boundary for local region that consist of statistics global in nature and energies local in nature given at individual point. Then strategically updating the local region by altering the energies either minimizing or maximizing it as desired. Furthermore, the proposed framework is analysed using different CT Images. The results obtained from this analysis shows that suggested framework achieves 89.5% similarity between segmented and ground truth by dice method, and by Hausdorff algorithm a minimum distance of 0.5(mm). The adaptive stochastic segmentation method in proposed framework can be applied to segment out different levels when there binary thresholds levels are greater than 0.3. The algorithm model is so designed that it can segment out the COVID-19 effected regions automatically from raw CT images with higher accurate boundaries that relatively works. The feature of this stochastic segmentation is associated with COVID-19 severity that arbitrate the causal of the COVID-19 severity.

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 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 score0.911
Threshold uncertainty score0.957

Codex and Gemma teacher scores by category

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

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 head0.257
Teacher spread0.243 · 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

Citations0
Published2022
Admission routes1
Has abstractyes

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