Parameter choices in HaarPSI for IQA with medical images

• URL: http://arxiv.org/abs/2410.24098v1
• Date: Thu, 31 Oct 2024 16:28:49 GMT
• Title: Parameter choices in HaarPSI for IQA with medical images
• Authors: Clemens Karner, Janek Gröhl, Ian Selby, Judith Babar, Jake Beckford, Thomas R Else, Timothy J Sadler, Shahab Shahipasand, Arthikkaa Thavakumar, Michael Roberts, James H. F. Rudd, Carola-Bibiane Schönlieb, Jonathan R Weir-McCall, Anna Breger,
• Abstract summary: We optimize parameters for two annotated medical data sets, a photoacoustic and a chest X-Ray data set. We denote the optimized setting, which improves the performance for the medical images notably, by HaarPSI$_MED$. The results suggest that adapting common IQA measures within their frameworks for medical images can provide a valuable, generalizable addition to the employment of more specific task-based measures.
• Score: 6.133660772208096
• License:
• Abstract: When developing machine learning models, image quality assessment (IQA) measures are a crucial component for evaluation. However, commonly used IQA measures have been primarily developed and optimized for natural images. In many specialized settings, such as medical images, this poses an often-overlooked problem regarding suitability. In previous studies, the IQA measure HaarPSI showed promising behavior for natural and medical images. HaarPSI is based on Haar wavelet representations and the framework allows optimization of two parameters. So far, these parameters have been aligned for natural images. Here, we optimize these parameters for two annotated medical data sets, a photoacoustic and a chest X-Ray data set. We observe that they are more sensitive to the parameter choices than the employed natural images, and on the other hand both medical data sets lead to similar parameter values when optimized. We denote the optimized setting, which improves the performance for the medical images notably, by HaarPSI$_{MED}$. The results suggest that adapting common IQA measures within their frameworks for medical images can provide a valuable, generalizable addition to the employment of more specific task-based measures.

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