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Dataset Type Vertices Runtime
Chars4Testing measured 10,492 0.044s
cuneusideal synthetic 15,521 0.071s
Half4Testing measured 282,428 0.789s
HOSG10Preview measured 371,711 1.809s
VAT 10908 measured 3,034,899 12.269s
HOSG10Full measured 6,596,964 33.319s
Table 1: Performanceof the algorithmonmultiple data sets. Dataset name, type, number of vertices
and the respective runtimearegiven.
Figure 3: Detected ridge points in the realworld data setChars4Testing. It can be seen that the
points followthe ridgesof themeshnicely.
(a) (b)
Figure4: High resolutiondatasetHOSG10Full (a)beforeand (b)after smoothing.
4. OutlookandSummary
Futureenhancementsofouralgorithmaretheimplementationofamarchingfront toconnect theridge
points to lines,makingthemexportableasSVG.FollowingtheCannyapproach,hysteresis trackingis
a futureextensionprovidinganevenmore robust selectionof featurepoints. Furthermore smoothing
of the function values instead of smoothing themeshwill improve the performance by reducing the
computational overhead of processingM2. The final vision is to have a completely autonomous
system, which begins transcribing the ancient tablets immediately after their acquisition, exporting
thedigital drawingswithautomatedannotationsdirectly intoa searchabledatabase [6].
The algorithm implemented in this work succeeds in extracting ridge points from irregular grids,
using non-maximumsuppression. Although the execution on an irregular surfacemesh architecture
181
Proceedings
OAGM & ARW Joint Workshop 2016 on "Computer Vision and Robotics“
- Titel
- Proceedings
- Untertitel
- OAGM & ARW Joint Workshop 2016 on "Computer Vision and Robotics“
- Autoren
- Peter M. Roth
- Kurt Niel
- Verlag
- Verlag der Technischen Universität Graz
- Ort
- Wels
- Datum
- 2017
- Sprache
- englisch
- Lizenz
- CC BY 4.0
- ISBN
- 978-3-85125-527-0
- Abmessungen
- 21.0 x 29.7 cm
- Seiten
- 248
- Schlagwörter
- Tagungsband
- Kategorien
- International
- Tagungsbände