Perceptual Primitives from an Extended 4D Hough Transform

M Carreira, M Mirmehdi, B Thomas, M Penas

Research output: Contribution to journalArticle (Academic Journal)peer-review

8 Citations (Scopus)


Directional features extracted from Gabor wavelets responses were used to train a structure of self-organising maps, thus classifying each pixel in the image within a neuron-map. Resulting directional primitives were grouped into perceptual primitives introducing an extended 4D Hough transform to group pixels with similar directional features. These can then be used as perceptual primitives to detect salient structures. The proposed method has independently fixed parameters that do not need to be tuned for different kind or quality of images. We present results in application to noisy FLIR images and show that line primitives for complex structures, such as bridges, or simple structures, such as runways, can be found by this approach. We compare and demonstrate the quality of our results with those obtained through a parameter-dependent traditional Canny edge detector and Hough line finding process.
Translated title of the contributionPerceptual Primitives from an Extended 4D Hough Transform
Original languageEnglish
Pages (from-to)969 - 980
Number of pages11
JournalImage and Vision Computing
Volume20 (13)
Publication statusPublished - Dec 2002


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