Computer Vision, Graphics, and Image Processing
Spatial frequency channels and perceptual grouping in texture segregation*
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Speckle characterization methods in ultrasound images-A review
2014, IRBMCitation Excerpt :They have been chosen for texture analysis applications due to the evidence from psychophysical research which indicated that the human brain performs a frequency analysis of images [133–135]. The class of Gabor functions was first introduced by Gabor [132] and was extended to two dimensions by Daugman [131,136]. Daugman showed that Gabor filters are optimal in a way that they minimize the product of effective areas occupied in the 2D space and frequency domains.
Cognitive Tomography Reveals Complex, Task-Independent Mental Representations
2013, Current BiologyCitation Excerpt :Classical theories of learning suggest that task-independent representations, arising through generative learning, are beneficial when the range of tasks is wide, and hard to prespecify. For example, generative representations of low-level perceptual features such as edges in visual scenes account well for neural and behavioral data [27–29]. In particular, behavior in tasks that only rely on such low-level features has been shown to use different readout mechanisms operating on representations that are shared across tasks [30].
WaveLBP based hierarchical features for image classification
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2013, Pattern Recognition Letters
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The research reported in this article was supported by Air Force Office of Scientific Research Contract F49620-83-C-0093. We are indebted to Norma Graham for many valuable discussions and insights.