Illustration of three cases of two lines where the pixel-wise metrics of true positives, true negatives, false positives, false negatives are identical, yet the distance between the lines is different.

مواد مشابهة

• Illustration of the Trace Ridges methodology. (a) Region of interest of one SHG image that shows some strong ridges and a region with some noise highlighted with a green rectangle. (b) Output of a Watershed transform, which traces the strong ridges but also some smaller ones that are not of interest. (c) Edges detected with Canny’s algorithm highlight the sides of the strong ridges. (d) The combination of Edge Detection (red lines) with Watershed (yellow lines). White pixels correspond to the overlap of both techniques. The watershed will be broken by removing these overlapping pixels.
  حسب: Youssef Arafat (21009293)
  منشور في: (2025)
• Illustration of the distance error measurement between the two lines of (Fig 5c). (a, d) Two lines that overlap only at a single point. (b) Distance map computed from the red line in (a). Distances follow a hot colour map: black-red-orange-yellow-white. (c) Product of the distance map shown in (e) with the line shown in (a). (e) Distance map computed from the yellow line in (d). (f) Product of the distance map shown in (b) with the yellow line shown in (d).
  حسب: Youssef Arafat (21009293)
  منشور في: (2025)
• Illustration of the calculation of the error distance maps on the Second Harmonic Generation image shown in (Fig 1a). (a) One representative image with a variety of fibres. (b) Distance map calculated from the traces calculated with Trace Ridges. (c) Product of the ground truth and the distance map of (b). (d) Comparison between the results of Trace Ridges and the ground truth. White lines indicate pixels from GT and trace. Blue lines correspond to Trace Ridges. Red lines are from the GT. (e) Distance map calculated from the ground truth. (f) Product of the traces from Trace Ridges and the distance map of (e). It should be noticed how the cases where the lines overlap (white) in (d) do not appear in any of the distance maps (c, f) whilst the lines that do not overlap (blue and red) appear in the distance maps with increased brightness as they are further away from th
  حسب: Youssef Arafat (21009293)
  منشور في: (2025)
• Illustration of the datasets that will be used to compare the tracing algorithms. (a) Second Harmonic Generation Collagen (SHG). (b) Fluorescent Fibronectin (FF). (c) Breast Cancer Biopsy slide (BCB). (d) Disease Mimicking Extra Cellular Matrix (DME). (e-h) Regions of interest (ROI) of the images in (a-d). (i-l) Manually delineated ground truth (GT) for the ROIs of images in (e-h). White lines correspond to the GT and intensities are displayed in a colormap with hot colours (black-red-orange-yellow-white).
  حسب: Youssef Arafat (21009293)
  منشور في: (2025)
• Comparison of tracing algorithms on DME image (region of interest) [42]. Image was applied to algorithms with three different filters: Original/no filtering, Gaussian and DnCnn. Data corresponds to images traced; GT is the manually delineated ground truth. For the evaluation of Tracing Algorithms, the GT fibres are represented in red, algorithm tracing is depicted in blue and areas where they overlap is white.
  حسب: Youssef Arafat (21009293)
  منشور في: (2025)