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Enhanced Multi-Scale Network for Single Image Super-Resolution

2025· article· en· W4413278547 on OpenAlexaff
Nadeem Babar, Muneer Ahmad

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldComputer Science
TopicAdvanced Image Processing Techniques
Canadian institutionsConcordia University
Fundersnot available
KeywordsComputer scienceScale (ratio)Image (mathematics)Image resolutionResolution (logic)Computer visionArtificial intelligenceCartographyGeography

Abstract

fetched live from OpenAlex

The field of single-image super-resolution (SISR) has seen significant advancements with the emergence of deep convolutional neural networks, where residual learning techniques have contributed to notable improvements in reconstruction quality. Among these approaches, SwinIR [1], a Transformer-based model, has demonstrated impressive performance by leveraging hierarchical self-attention mechanisms to capture both local fine-grained structures and global contextual dependencies. However, improving image quality while maintaining computational efficiency remains a key challenge. To address this, we propose a multi-scale SwinIR inception-based network, an enhanced SISR framework that draws inspiration from the Inception module to refine feature extraction across multiple scales without introducing significant computational overhead due to the complexity of the network architecture. Instead of directly implementing the Inception module, we adopt its core idea of parallel multi-scale processing, where multiple convolutional layers with different receptive fields operate simultaneously to extract spatial features at varying scales. This strategic enhancement significantly improves PSNR over the original SwinIR model while increasing the parameter count by only 65K. Our model integrates hierarchical self-attention with multiscale feature extraction to strengthen the representation of structural details in low-resolution images. Experimental results demonstrate that EMS(Enhanced multi-scale network) consistently outperforms state-of-the-art SISR models across multiple benchmark datasets, delivering improved visual fidelity and superior quantitative performance without a significant increase in computational complexity.

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)0.000
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: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.004
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0030.001

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 head0.018
GPT teacher head0.302
Teacher spread0.285 · 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 designBench or experimental
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".

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Citations0
Published2025
Admission routes1
Has abstractyes

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