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Record W4404357204 · doi:10.18280/ts.410515

Efficient Parallel Median Filter for Image Denoising: Implementation and Performance Evaluation

2024· article· en· W4404357204 on OpenAlexvenueno aff
Mahendrakan Kantharimuthu, Prema Selvaraj, Harish Sankar, Gokulavasan Brindavanam

Bibliographic record

VenueTraitement du signal · 2024
Typearticle
Languageen
FieldComputer Science
TopicImage and Signal Denoising Methods
Canadian institutionsnot available
Fundersnot available
KeywordsImage denoisingNoise reductionMedian filterFilter (signal processing)Computer scienceImage (mathematics)Artificial intelligenceComputer visionMathematicsPattern recognition (psychology)Image processing

Abstract

fetched live from OpenAlex

The sorting network forms the foundation of the suggested parallel median filters and the cutting-edge filter produced noise-free images.To enhance such filters noise-elimination abilities, a particular comparator is created.Signal leaps can be preserved while noise is reduced with the help of parallel median filtering.The noise elimination determines how much noise is reduced.The filter does a better job of minimizing noise the heavier the distribution tail.Median filtering preserves edge signal, which is a crucial aspect of images, more effectively than average filtering.New median filters have a consistent, modular architecture.Limited precision computations are allowed in applications that process audio and images.The approximate computing can be implemented in the digital system with sufficient precision.This paper proposes a novel technique for the low-cost area, power and speed-efficient manufacturing of 2-bit magnitude comparators.The new technology created larger comparators with tunable error characteristics.Further, parallel median filter is designed with additional 2 ternary data sorter for high speed application which processes the data in parallel.From Simulation results, the proposed filter achieves more power, area and speed.The filters output value is essentially equivalent to the particular one when it comes to filtering precision and circuit features.When compared to serial median filters, parallel median filters dynamic power consumption is 36.37%higher and also total estimated power consumption of parallel median filter is 30.80% more compare to with serial Median Filter.In logic distribution, 5% of number of occupied slices is reduced in the parallel median filter.Parallel design uses 26.76% fewer total equivalent gates than serial design.Simulations show that inexact filter implementations can save up to 30% and 26% of energy and space, respectively, and can accelerate operations by 15% when compared to standard accurate ones.

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: Empirical · Consensus signal: none
Teacher disagreement score0.005
Threshold uncertainty score0.016

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0010.000
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0050.001

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 head0.039
GPT teacher head0.337
Teacher spread0.299 · 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

Citations0
Published2024
Admission routes1
Has abstractyes

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