PointSSIM: A novel low dimensional resolution invariant image-to-image comparison metric

• URL: http://arxiv.org/abs/2506.23833v1
• Date: Mon, 30 Jun 2025 13:24:43 GMT
• Title: PointSSIM: A novel low dimensional resolution invariant image-to-image comparison metric
• Authors: Oscar Ovanger, Ragnar Hauge, Jacob Skauvold, Michael J. Pyrcz, Jo Eidsvik,
• Abstract summary: PointSSIM is an image-to-image comparison metric that is resolution invariant.<n>The key features of the image, referred to as anchor points, are extracted from binary images by identifying locally adaptive maxima from the minimal distance transform.<n>Results show that this approach provides an efficient and reliable method for image comparison, particularly suited to applications requiring structural analysis across different resolutions.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper presents PointSSIM, a novel low-dimensional image-to-image comparison metric that is resolution invariant. Drawing inspiration from the structural similarity index measure and mathematical morphology, PointSSIM enables robust comparison across binary images of varying resolutions by transforming them into marked point pattern representations. The key features of the image, referred to as anchor points, are extracted from binary images by identifying locally adaptive maxima from the minimal distance transform. Image comparisons are then performed using a summary vector, capturing intensity, connectivity, complexity, and structural attributes. Results show that this approach provides an efficient and reliable method for image comparison, particularly suited to applications requiring structural analysis across different resolutions.

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