Feature evaluation for unsupervised bioacoustic signal segmentation of anuran calls.
Juan Gabriel ColonnaEduardo Freire NakamuraOsvaldo Anibal RossoPublished in: Expert Syst. Appl. (2018)
Keyphrases
- image segmentation
- segmentation algorithm
- low signal to noise ratio
- bayesian image segmentation
- text segmentation
- signal processing
- fully unsupervised
- medical images
- level set
- segmentation method
- supervised learning
- segmentation of natural images
- multiscale
- color and texture information
- segmentation of textured images
- nonlinear filtering
- feature vectors
- image features
- object segmentation
- shape prior
- region growing
- fully automatic
- frequency domain
- preprocessing step
- normalized cut
- pairwise
- image processing
- gray level
- unsupervised learning