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Signal Detection in 3D by Stable Wave Signal Verification
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- Allalou, Amin, 1981- (author)
- Uppsala universitet,Datoriserad bildanalys
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- Wählby, Carolina (author)
- Uppsala universitet,Datoriserad bildanalys
- (creator_code:org_t)
- 2009
- 2009
- English.
- In: Proceedings of SSBA 2009.
- Conference paper (other academic/artistic)
Abstract
Subject headings
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- Detection and localization of point-source signals is an important task in many image analysis applications. These types of signals can commonly be seen in fluorescent microscopy when studying functions of biomolecules. Visual detection and localization of point-source signals in 3D is limited and time consuming, making automated methods an important task. The 3D Stable Wave Detector (3DSWD) is a new method that combines signal enhancement with a verifier/separator. The verifier/separator examines the intensity gradient around a signal, making the detection less sensitive to noise and better at separating spatially close signals. Conventional methods such as; TopHat, Difference of Gaussian, and Multiscale Product consist only of signal enhancement. In this paper we compare the 3DSWD to these conventional methods with and without the addition of a verifier/separator. We can see that the 3DSWD has the highest robustness to noise among all the methods and that the other methods are improved when a verifier/separator is added.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datorseende och robotik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Vision and Robotics (hsv//eng)
Keyword
- Image analysis
- Bildanalys
- Computerized Image Analysis
- Datoriserad bildanalys
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- vet (subject category)
- kon (subject category)
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