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Similarity and quality metrics for MR image-to-image translation

38
Citations
January 31, 2025
Published Date

Research Abstract & Technology Focus

Abstract
Image-to-image translation can create large impact in medical imaging, as images can be synthetically transformed to other modalities, sequence types, higher resolutions or lower noise levels. To ensure patient safety, these methods should be validated by human readers, which requires a considerable amount of time and costs. Quantitative metrics can effectively complement such studies and provide reproducible and objective assessment of synthetic images. If a reference is available, the similarity of MR images is frequently evaluated by SSIM and PSNR metrics, even though these metrics are not or too sensitive regarding specific distortions. When reference images to compare with are not available, non-reference quality metrics can reliably detect specific distortions, such as blurriness. To provide an overview on distortion sensitivity, we quantitatively analyze 11 similarity (reference) and 12 quality (non-reference) metrics for assessing synthetic images. We additionally include a metric on a downstream segmentation task. We investigate the sensitivity regarding 11 kinds of distortions and typical MR artifacts, and analyze the influence of different normalization methods on each metric and distortion. Finally, we derive recommendations for effective usage of the analyzed similarity and quality metrics for evaluation of image-to-image translation models.
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What is the core focus of the research titled 'Similarity and quality metrics for MR image-to-image translation'?

This literature focuses on: Abstract Image-to-image translation can create large impact in medical imaging, as images can be synthetically transformed to other modalities, sequence types, higher resolutions or lower noise levels. To ensure patient safety, these met...

Are there open-source GitHub repositories related to Similarity and quality metrics for MR image-to-image translation?

Yes, open-source projects like k2-fsa/OmniVoice (High-Quality Voice Cloning TTS for 600+ Languages) are actively building upon these concepts.

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Yes, highly correlated activity was mapped. An entry titled 'Evaluation metrics and statistical tests for machine learning' discusses this: AbstractResearch on different machine learning (ML) has become incredibly popular during the past few decades. However, for some researchers not fa...

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Yes, highly correlated activity was mapped. An entry titled 'Show HN: We fingerprinted 178 AI models' writing styles and similarity clusters' discusses this: This analysis provides quantitative insights into AI model stylistic differentiation and convergence. Identifying 'clone clusters' with high cosine...

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