Walk the Lines 2: Contour Tracking for Detailed Segmentation

Fuente: arXiv
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Hauptverfasser: Kelm, André Peter, Braeschke, Max, Gülsoylu, Emre, Frintrop, Simone
Format: Preprint
Veröffentlicht: 2025
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author Kelm, André Peter
Braeschke, Max
Gülsoylu, Emre
Frintrop, Simone
author_facet Kelm, André Peter
Braeschke, Max
Gülsoylu, Emre
Frintrop, Simone
contents This paper presents Walk the Lines 2 (WtL2), a unique contour tracking algorithm specifically adapted for detailed segmentation of infrared (IR) ships and various objects in RGB.1 This extends the original Walk the Lines (WtL) [12], which focused solely on detailed ship segmentation in color. These innovative WtLs can replace the standard non-maximum suppression (NMS) by using contour tracking to refine the object contour until a 1-pixel-wide closed shape can be binarized, forming a segmentable area in foreground-background scenarios. WtL2 broadens the application range of WtL beyond its original scope, adapting to IR and expanding to diverse objects within the RGB context. To achieve IR segmentation, we adapt its input, the object contour detector, to IR ships. In addition, the algorithm is enhanced to process a wide range of RGB objects, outperforming the latest generation of contour-based methods when achieving a closed object contour, offering high peak Intersection over Union (IoU) with impressive details. This positions WtL2 as a compelling method for specialized applications that require detailed segmentation or high-quality samples, potentially accelerating progress in several niche areas of image segmentation.
format Preprint
id arxiv_https___arxiv_org_abs_2511_05210
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Walk the Lines 2: Contour Tracking for Detailed Segmentation
Kelm, André Peter
Braeschke, Max
Gülsoylu, Emre
Frintrop, Simone
Computer Vision and Pattern Recognition
This paper presents Walk the Lines 2 (WtL2), a unique contour tracking algorithm specifically adapted for detailed segmentation of infrared (IR) ships and various objects in RGB.1 This extends the original Walk the Lines (WtL) [12], which focused solely on detailed ship segmentation in color. These innovative WtLs can replace the standard non-maximum suppression (NMS) by using contour tracking to refine the object contour until a 1-pixel-wide closed shape can be binarized, forming a segmentable area in foreground-background scenarios. WtL2 broadens the application range of WtL beyond its original scope, adapting to IR and expanding to diverse objects within the RGB context. To achieve IR segmentation, we adapt its input, the object contour detector, to IR ships. In addition, the algorithm is enhanced to process a wide range of RGB objects, outperforming the latest generation of contour-based methods when achieving a closed object contour, offering high peak Intersection over Union (IoU) with impressive details. This positions WtL2 as a compelling method for specialized applications that require detailed segmentation or high-quality samples, potentially accelerating progress in several niche areas of image segmentation.
title Walk the Lines 2: Contour Tracking for Detailed Segmentation
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2511.05210