Publications
208 results found
Bharath AA, 2008, Introductory Medical Imaging, Publisher: Springer Science and Business Media LLC
Ng J, Bharath AA, 2008, A Review of V1, NEXT GENERATION ARTIFICIAL VISION SYSTEMS: REVERSE ENGINEERING THE HUMAN VISUAL SYSTEM, Editors: Bharath, Petrou, Publisher: ARTECH HOUSE, Pages: 51-67, ISBN: 978-1-59693-224-1
Petrou M, Bharath A, 2008, The Human Visual System: An Engineering Challenge, NEXT GENERATION ARTIFICIAL VISION SYSTEMS: REVERSE ENGINEERING THE HUMAN VISUAL SYSTEM, Editors: Bharath, Petrou, Publisher: ARTECH HOUSE, Pages: 1-18, ISBN: 978-1-59693-224-1
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- Citations: 12
Mylonas G, Yang GZ, 2008, Eye Tracking and Depth from Vergence, Next Generation Artificial Vision Systems: Reverse Engineering the Human Visual System, Editors: Bharath, Petrou, Publisher: ARTech House, Pages: 187-211
Ip HMD, Drakakis EM, Bharath AA, 2008, Analog V1 Platforms, Next Generation Artificial Vision Systems: Reverse Engineering the Human Visual System, Publisher: Artech House Publishers, Pages: 335-364, ISBN: 9781596932241
Ip HMD, Drakakis EM, Bharath AA, 2008, On Analog Networks and Mixed-Domain Spatio-Temporal Frequency Response, IEEE Transactions on Circuits and Systems I: Regular Papers, Vol: 55, Pages: 284-297, ISSN: 1549-8328
Bharath A, Petrou M, 2008, Next Generation Artificial Vision Systems: Reverse Engineering the Human Visual System, Publisher: Artech House, ISBN: 9781596932241
Momiji H, Bharath AA, 2008, Retinal Physiology and Neuronal Modeling, NEXT GENERATION ARTIFICIAL VISION SYSTEMS: REVERSE ENGINEERING THE HUMAN VISUAL SYSTEM, Editors: Bharath, Petrou, Publisher: ARTECH HOUSE, Pages: 21-49, ISBN: 978-1-59693-224-1
Bharath AA, Ng J, 2008, V1 Wavelet Models and Visual Inference, NEXT GENERATION ARTIFICIAL VISION SYSTEMS: REVERSE ENGINEERING THE HUMAN VISUAL SYSTEM, Editors: Bharath, Petrou, Publisher: ARTECH HOUSE, Pages: 105-144, ISBN: 978-1-59693-224-1
Ip HMD, Drakakis EM, Bharath AA, 2008, A nonseparable 3D spatiotemporal bandpass filter with analog networks, IEEE International Symposium on Circuits and Systems (ISCAS), Publisher: IEEE, Pages: 1376-1379, ISSN: 0271-4302
Momiji H, Hankins MW, Bharath AA, et al., 2007, A numerical study of red-green colour opponent properties in the primate retina, EUROPEAN JOURNAL OF NEUROSCIENCE, Vol: 25, Pages: 1155-1165, ISSN: 0953-816X
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- Citations: 8
Martinez-Perez ME, Hughes AD, Thom SA, et al., 2007, Segmentation of blood vessels from red-free and fluorescein retinal images, MEDICAL IMAGE ANALYSIS, Vol: 11, Pages: 47-61, ISSN: 1361-8415
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- Citations: 319
Bharath AA, Kingsbury N, 2007, Phase invariant keypoint detection, 15th International Conference on Digital Signal Processing, Publisher: IEEE, Pages: 447-+
Engin Z, Lim M, Bharath AA, 2007, Gradient field correlation for keypoint correspondence, IEEE International Conference on Image Processing (ICIP 2007), Publisher: IEEE, Pages: 1045-1048, ISSN: 1522-4880
Ng J, Bharath AA, Zhaoping L, 2007, A survey of architecture and function of the primary visual cortex (V1), EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING, ISSN: 1687-6180
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- Citations: 10
Ng J, Bharath AA, Chow PPK, 2007, Extrapolative spatial models for detecting perceptual boundaries in colour images, International Journal of Computer Vision, Vol: 73, Pages: 179-194, ISSN: 0920-5691
Engin Z, Lim M, Bharath AA, 2007, Gradient Field Correlation for Keypoint Correspondence., Publisher: IEEE, Pages: 481-484
Dente E, Bharath AA, Ng J, et al., 2006, Tracking hand and finger movements for behaviour analysis, IEEE International Symposium on Imaging for Crime Detection and Prevention, Publisher: ELSEVIER, Pages: 1797-1808, ISSN: 0167-8655
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- Citations: 15
Momiji H, Bharath AA, Hankins MW, et al., 2006, Numerical study of short-term afterimages and associate properties in foveal vision, VISION RESEARCH, Vol: 46, Pages: 365-381, ISSN: 0042-6989
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- Citations: 8
Ng J, Bharath AA, 2006, Sharpening orientation selectivity for efficient image filtering, 31st IEEE International Conference on Acoustics, Speech and Signal Processing, Publisher: IEEE, Pages: 629A-+, ISSN: 1520-6149
Ip HMD, Drakakis EM, Bharath AA, 2006, A Bioinspired Recursive Analog VLSI Network for 3D Spatiotemporal Receptive Fields, IEEE Biomedical Circuits and Systems Conference (BioCAS), Publisher: IEEE, Pages: 134-137
Ng J, Bharath AA, 2006, Sharpening orientation selectivity for efficient image filtering, 31st IEEE International Conference on Acoustics, Speech and Signal Processing, Publisher: IEEE, Pages: 1877-1880, ISSN: 1520-6149
Ip HMD, Drakakis EM, Bharath AA, 2006, Towards Analog VLSI Arrays for Non-separable 3D Spatiotemporal Filtering, 10th International Workshop on Cellular Neural Networks and Their Applications (CNNA), Publisher: IEEE
Bharath AA, Kwong JNS, 2005, A probabilistic approach to boundary handling
We address the problem of boundary handling in correlation-based template matching by proposing a probabilistic model of the detection process. Whilst our approach bears similarities to those taken in deriving results in matched and subspace signal detection, it offers a new interpretation: that a dual correlator architecture provides a systematic way of handling general uncertainty, and, more specifically, the boundaries of data in signals. We also provide an extended model to deal more effectively with amplitude variations of target with respect to template. These improvements have immediate applications not only in classical matched signal detection, but also for template matching by correlation in digital image analysis and computer vision, where partial target occlusion at image boundaries remains a significant problem.
Bharath AA, Ng J, 2005, A steerable complex wavelet construction and its application to image denoising, IEEE TRANSACTIONS ON IMAGE PROCESSING, Vol: 14, Pages: 948-959, ISSN: 1057-7149
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- Citations: 55
Dente E, Ng J, Vrij A, et al., 2005, Tracking small hand movements in interview situations, Pages: 55-60, ISSN: 0537-9989
In this paper, we motivate ongoing work into developing methods for the automated tracking of small hand movements in interview situations to aid non-verbal behaviour analysis in the detection of deception. Existing techniques for detecting and tracking hand motion are reviewed to place current and future technical work into context. We present a modification to the popular colour predicate approach to skin detection based on Bayesian posterior probability maps and Parzen colour space probability density estimates. We demonstrate the application of a complex wavelet decomposition to identify changes in finger position. Although our existing hand tracking algorithm currently relies on posterior probability map thresholding, morphological operations and distance heuristics, we suggest the role of kinematic models of upper body, limb and finger motion for future work.
Ip HMD, Drakakis EM, Bharath AA, 2005, Analog networks for mixed domain spatiotemporal filtering, IEEE International Symposium on Circuits and Systems (ISCAS), Publisher: IEEE, Pages: 3918-3921
Ip HMD, Drakakis EM, Bharath AA, 2005, An Efficient CNN Implementation of a 2D Orientation and Scale-tunable Low-pass Filter Based on the Approximation of An Oriented 2D Gaussian Filter, 48th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), Publisher: IEEE, Pages: 895-898
Ng J, Bharath AA, 2005, Multiscale orientation estimation of perceptual boundaries, New York, IEEE international conference on acoustics, speech, and signal processing, Philadelphia, PA, MAR 19 - 23 March 2005, Publisher: IEEE, Pages: II785-II788
Bouganis CS, Cheung PYK, Ng J, et al., 2004, A steerable complex wavelet construction and its implementation on FPGA, Berlin, 14th international conference on field-programmable logic and applications, Leuven, Belgium, 30 August - 1 September 2004, Publisher: Springer-Verlag Berlin, Pages: 394-403
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