MétaCan
Menu
Back to cohort
Record W2392050690

Research on Image Denoising Based on Space Fractional Partial Differential Equations

2012· article· en· W2392050690 on OpenAlex
Yi‐Fei Pu

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueJournal of Sichuan University · 2012
Typearticle
Languageen
FieldComputer Science
TopicImage and Signal Denoising Methods
Canadian institutionsL'Alliance Boviteq
Fundersnot available
KeywordsFractional calculusNoise reductionMathematicsPartial differential equationNoise (video)Partial derivativeImage (mathematics)Mathematical analysisArtificial intelligenceComputer science
DOInot available

Abstract

fetched live from OpenAlex

In order to preserve more edge and texture information of image while obtaining higher value of signal-to-noise,the image denoising model based on space fractional partial differential equations was constructed by the effective combination of fractional calculus theory and partial differential equations method,and the numerical of denoising model was achieved using fractional differential mask operator.This denoising model could solve existing problems of the traditional denoising model to a certain extent by introducing the edge stopping function to the parameters of fractional grads modulus and selecting the appropriate order of fractional differential.The experimental results showed that compared with the traditional image denoising models,the image denoising model based on space fractional partial differential equations not only enhanced the signal-to-noise ratio of image but also better retained the edge and texture details information of image.

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.

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)0.002
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: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.912
Threshold uncertainty score0.389

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0010.000
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.001
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 head0.082
GPT teacher head0.350
Teacher spread0.268 · 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