(Click here for my Google Scholar Profile which shows the number of citations for my publications)

Publications


2012

Haji-Abolhassani, A. and Clark, J.J., ``Visual Task Inference in Conjunction Search Using Hidden Markov Models and Token Passing" accepted for presentation at the 2012 Vision Science Symposium (VSS), May 2012

2011

Skaff, S. and Clark, J.J., "Spectral Color Constancy using a Maximum Entropy Approach" Journal of the Optical Society of America - A, Vol. 28, No. 11, pp. 2385-2399, 2011. [pdf draft]

Au, C.E., Ng, V. and Clark, J.J., ``MirrorMap: Augmenting 2D Mobile Maps with Virtual Mirrors'', Proceedings of the 13th Annual International Conference on Human Computer Interaction with Mobile Devices and Services, pp. 255-264, 2011. [pdf draft]

Demirkus, M., Oreshkin, B., Clark, J.J. and Arbel, T., ``Spatial and probabilistic codebook template based head pose estimation from unconstrained environments'', Proceedings of the IEEE International Conference on Image Processing (ICIP), Brussels, September 2011, pp. 573-576. [pdf].

Ziat, M., Au, C.E., Haji-Abolhassani, A. and Clark, J.J., ``Engaging Attention through Action in Map Learning on Cell Phones'', accepted for publication in ACM Transactions on Applied Perception [pdf draft]

Haji-Abolhassani, A. and Clark, J.J., ``Visual Task Inference Using Hidden Markov Models'', Proceedings of the 2011 International Joint Conference on Artificial Intelligence (IJCAI), pp 1678-1683. [pdf draft]

Haji-Abolhassani, A. and Clark, J.J., ``Realization of an Inverse Yarbus Process via Hidden Markov Models for Visual-Task Inference'', Proceedings of the 2011 Vision Science Symposium (VSS), Journal of Vision, Vol. 11, p. 218, 2011. [pdf abstract]

Au, C.E. and Clark, J.J., ``Integrating Multiple Views with Virtual Mirrors to Facilitate Scene Understanding'', ACM Transactions on Applied Perception, Vol. 8(4), 2011. [pdf draft]

2010

Clark, J.J., ``Physical Asymmetries and Brightness Perception'', Symposium on Brain, Body and Machine, Montreal, November 2010, Springer Advances in Intelligent and Soft Computing, Vol 83, pp. 71-82 [pdf].

Au, C.E. and Clark, J.J., ``A New Approach to Virtual Mirroring for View Integration'', Symposium on Brain, Body and Machine, Montreal, November 2010, Springer Advances in Intelligent and Soft Computing, Vol 83, pp. 45-56 [pdf].

Demirkus, M., Toews, M., Clark, J.J. and Arbel, T., ``Gender Classification from Unconstrained Video Sequences'', IEEE Workshop on Analysis and Modeling of Faces and Gestures (AMFG), San Francisco, June 2010[pdf].

Clark, J.J., "Photometric Stereo using LCD Displays", Image and Vision Computing, Vol. 28, No. 4, pp 704-714, 2010 DOI:10.1016/j.imavis.2008.10.011 [pdf (proof copy)]

2009

Clark, J.J. and Skaff, S., "A spectral theory of color perception", Journal of the Optical Society of America - A, Vol. 26, No. 12, pp. 2488-2502, 2009. [pdf]

Skaff, S., Arbel, T., and Clark, J.J., "A Sequential Bayesian Approach to Color Constancy using Non-Uniform Filters", Computer Vision and Image Understanding, Vol. 113, No. 9, pp. 993-1004, 2009. DOI:10.1016/j.cviu.2009.03.014
[pdf (proof copy with some typographical errors]

Laporte, C., Clark, J.J. and Arbel, T., "Generalised Poisson 3D scatterer distributions", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 56, No. 2, pp. 410-415, 2009. [pdf]

2008

Reeve, P., Clark, J.J. and O'Regan, J.K., "Convergent flash localization near saccades without equivalent 'compression' of perceptual separation", Journal of Vision, Vol. 8(13):5, pp. 1-19, 2008 [html]

Jie, L. and Clark, J.J., ``Video Game Design Using an Eye Movement Dependent Model of Visual Attention'', ACM Transactions on Multimedia Computing, Communications, and Applications, Vol. 4, No. 3, pp 22:1-16, 2008 doi:10.1145/1386109.1386115
[pdf pre-publication draft]

Skaff, S. and Clark, J.J., ``Maximum Entropy Spectral Models for Color Constancy in the Presence of Interreflections," Proceedings of the 16th Color Imaging Conference, Portland, OR, November 2008. [pdf].

Skaff, S., Clark, J.J., and Rekleitis, I. ``Estimating Surface Reflectance Spectra for Underwater Color Vision" Proceedings of the 2008 British Machine Vision Conference, Leeds, U.K., Vol. 2, pp. 1015-1024, September 2008. [pdf].

Au, C.E. and Clark, J.J., ``Multiple View Integration and Display Using Virtual Mirrors", the 5th Canadian Conference on Computer and Robot Vision, Windsor, Ontario, May 2008. [pdf].

2007

Li, M. and Clark, J.J., "Selective Attention in the Learning of Viewpoint and Position Invariance", in Attention and Cognitive Systems, L. Paletta and E. Rome, eds., Lecture Notes in Artificial Intelligence, Vol. 4840, Springer, pp 263-276, 2007. [pdf]

Clark, J.J., Hafed, Z. and Jie, L. ``Attention and Action'', in Computational Vision in Neural and Machine Systems, L. Harris and M. Jenkin, eds., Cambridge University Press, Cambridge England, 2007 [pdf]

Skaff, S. and Clark, J.J., ``Maximum Entropy Spectral Models for Color Constancy", Proceedings of the 15th Color Imaging Conference, Albuquerque, N.M., pp. 100-105, November 2007. [pdf].

Jie, L. and Clark, J.J., ``Game Design Guided by Visual Attention", Proceedings of the International Conference on Entertainment Computing, Springer Lecture Notes in Computer Science, pp 345-355, Shanghai, September 2007 [pdf].

Laporte, C., Clark, J.J. and Arbel, T., ``A Fractal Multi-dimensional ultrasound scatterer distribution model'', Proceedings of the IEEE International Symposium on Biomedical Imaging (ISBI07), Washington D.C., pp 880-883, April 2007[pdf].

2006

Au, C., Skaff, S., and Clark, J.J., ``Anomaly Detection for Video Surveillance Applications", Proceedings of the International Conference on Pattern Recognition, Hong Kong, pp 888-891, August 2006 (full text: [pdf])

Ehtiati, T., Clark, J. J., ``A Bayesian Model for the Bi-directional Influences between the Scene and the Object Identification Processes'', Proceedings of the International Workshop on the Representation and Use of Prior Knowledge in Vision (WRUPKV), in association with the 9th European Conference on Computer Vision (ECCV), pp. 126-139, Graz, Austria, May 2006.

Clark, J.J., "Photometric Stereo with Nearby Planar Distributed Illuminants", Proceedings of the Third Canadian Conference on Computer and Robot Vision, Quebec City, p. 16, June 2006 (full text: [pdf])

Ahmedali, T. and Clark, J.J., "Collaborative Multi-Camera Surveillance with Automated Person Detection", Proceedings of the 2006 International Workshop on Video Processing for Security, p. 39, Quebec City, June 2006 (full text: [pdf])

2005

Nair, V., Laprise, P.-O., and Clark, J.J., "An FPGA-based people detection system", EURASIP Journal on Applied Signal Processing, Vol. 7, pp 1047-1061, 2005. [pdf]

Li, M. and Clark, J.J., "Selective Attention in the Learning of Invariant Representation of Objects", Workshop on Attention and Performance in Computer Vision, San Diego, June 2005. [pdf]

Clark, J.J., "Attention and Eye Movements", invited presentation at the CVR 2005 International Vision Conference, Toronto, Ontario, June 2005

Jie, L. and Clark, J.J., "Microsaccadic Eye Movements During Ocular Pursuit", Vision Sciences Society Annual Meeting (VSS), Sarasota, Florida, May 2005, abstract published in Journal of Vision, Volume 5, Number 8, Page 697a, 2005. [html (abstract)]

Skaff, S., Au, C., and Clark, J.J., ``Anomaly Detection for Video Surveillance Applications", poster presentation at the 15th Annual Canadian Conference on Intelligent Systems, Quebec City, Canada, June 5-7, 2005.(winner of 3rd prize in the student poster contest)

Clark, J. and Skaff, S., "Maximum Entropy Models of Surface Reflectance Spectra", Instrumentation and Measurement Technology Conference (IMTC), Ottawa, Ontario, Vol. 2, pp 1557-1560, May 2005 [pdf]

Ehtiati, T. and Clark, J.J., "Interacting Scene and Object Identification Processes: Strongly Coupled Priors vs. Strongly Coupled Likelihoods.", unpublished poster presentation at the 2005 Computational and Systems Neuroscience (COSYNE) Conference, Salt Lake City, Utah, March 2005

Clark, J.J. and Li, M., "Perceptual Stability and the Learning of Invariance" invited presentation at the Invariant Representations in Vision Workshop, Snowbird Utah, March 2005

2004

Li, M. and Clark, J.J., "A Temporal Stability Approach to Position and Attention Shift Invariant Recognition", Neural Computation, Vol. 16, No. 11, pp 2293 - 2321, 2004. [pdf]

Reeve, P., Clark, J.J. and O'Regan, J.K, "Perceptual visual space is not compressed before saccades", 2004 European Conference on Visual Perception, Budapest, Hungary, August 2004 [html (abstract)]

Ehtiati, T. and Clark, J.J., "A Strongly Coupled Architecture for Contextual Object and Scene Identification", International Conference on Pattern Recognition, Cambridge, England, Vol. III, pp 69-72, August 2004 [pdf]

Nair, V. and Clark, J.J., "An unsupervised, online learning framework for moving object detection", 2004 IEEE Conference on Computer Vision and Pattern Recognition, Washington D.C., Vol. 2, pp 317-324, June 2004. [pdf]

Li, M. and Clark, J.J., "Learning of Position and Attention-Shift Invariant Recognition across Attention Shifts", 2004 Workshop on Attention and Performance in Computer Vision, Prague, Lecture Notes in Computer Science, 3368 Springer 2004, pp 57-70, May 2004. [pdf]

2003

Clark, J.J., ``Ecological considerations support color physicalism'', commentary in Behavioural and Brain Sciences, Vol 26, pp 24-25, 2003. [html]

Clark, J.J., Advanced Programming Techniques for Modular Synthesizers, unpublished online-book, Dept. of Elect. & Compt. Engineering, Centre For Intelligent Machines, McGill University, Montreal Canada. [pdf]

Clark, J.J. and Hernandez, D., ``Surround statistics and the perception of intensity and color'', 3rd International Workshop on Statistical and Computational Theories of Vision, Nice, October 2003. [pdf]

Hafed, Z.M. and Clark, J.J., ``Detecting patterns of covert attention shifts in psychophysical tasks using microsaccades'', Vision Sciences Society Annual Meeting (VSS), Sarasota, Florida, May 2003. also in Journal of Vision3(9), 183a [html (abstract)]

2002

Hafed, Z.M. and Clark, J.J., ``Microsaccades as an overt measure of covert attention shifts", Vision Research, Vol. 42, No. 22, pp 2533-2545, 2002. [pdf]

Clark, J.J. ``Asymmetries in ecological and sensorimotor laws: towards a theory of subjective experience'', invited presentation at the 3rd Workshop on the Genesis of Perception and the Notion of Space in Machines and Humans, Paris, France, October 2002. [pdf talk slides, referenced in Alva Noe's book]

Hafed, Z.M. and Clark, J.J., ``Shifts in Feature-based attention as a result of spatial cueing: support for location dominance in attentional selection", European Conference on Visual Perception, Scotland, August 2002. [html (abstract)]

Bompas, A., Clark, J.J. and O'Regan, J.K., "Color Perception in the Sensorimotor Contingency Theory", European Conference on Visual Perception, Scotland, August 2002. [html (abstract)]

Clark, J.J., Reeve, P.T., and O'Regan, J.K., "Illusory displacement in periodic LED flashing", Conference on Visual Localization in Space-Time, Brighton, England, August 2002.

Skaff, S., Arbel, T., and Clark, J.J., ``Active Bayesian Color Constancy with Non-Uniform Sensors'', International Conference on Pattern Recognition, Quebec City, Canada, pp II-681:684, August 2002 [pdf]

Lamarre, M. and Clark, J.J., ``Background subtraction using competing models in the block-DCT domain", 2002 International Conference on Pattern Recognition, Quebec City, Canada, pp I-299:304, August 2002 [pdf]

Hafed, Z. and Clark, J.J., ``Pre-saccade target color influences the perception of its post-saccade counterpart", 2002 Vision Sciences Society Annual Meeting (VSS), Sarasota, Florida, p. 65, May 2002. (also in Journal of Vision, Vol. 2, No. 7, p. 175a.) [html (abstract)]

Nair, V. and Clark, J.J., ``Automated Visual Surveillance Using Hidden Markov Models", the 15th Vision Interface Conference, Calgary, pp 88-92, May 2002. [pdf]

Nair, V. and Clark, J.J., ``Automated Visual Surveillance Using Hidden Markov Models", poster presentation at the 12th Annual Canadian Conference on Intelligent Systems, Calgary, May 2002 (Winner of 2nd prize for the best student poster)

Skaff, S., Arbel, T., and Clark, J.J., ``Active Bayesian Color Constancy with Non-Uniform Sensors", poster presentation at the 12th Annual Canadian Conference on Intelligent Systems, Calgary, Canada, May 29-31, 2002.

Li, M. and Clark, J.J., ``Sensorimotor learning and the development of position invariance", unpublished poster presentation at the 2002 Neural Information and Coding Workshop, Les Houches, France, March 2002.

2001

Hamze, F. and Clark, J.J., ``View-based route learning with self-organizing neural networks'', Image and Vision Computing, Vol. 19, No. 11, pp 753-761, September 2001. [pdf]

Clark, J.J. and Wang, L., ``Active Shape from Shadows with Optimized Illuminant Trajectories'', International Journal of Computer Vision, Vol. 43, No. 3, pp 141-166, July, 2001. [pdf (draft)]

Clark, J.J. ``Learning sensorimotor contingencies'', invited presentation at the Workshop on the Genesis of Perception and the Notion of Space in Machines and Humans, Paris, France, October 2001.

O'Regan, J.K., Clark, J.J., Nadal, J.-P., Auvray, M., Bompas, A., and Philipona, D. ``Implications of a "sensorimotor" theory of visual phenomenality for change blindness, color perception, sensory substitution and the notion of space and object.'', International Workshop Pathways to Abstraction: From Experience to Concept, Gif-sur-Yvette, France, Septermber 2001.

Hafed, Z.M. and Clark, J.J., ``Microsaccades reflect covert attention shifts.'', European Conference on Visual Perception, Turkey, August 2001. [html (abstract)]

O'Regan J.K., Clark J., Bompas A., ``Implications of a sensorimotor theory of vision for scene perception and colour sensation", Perception 30 ECVP Abstract Supplement, European Conference on Visual Perception, Turkey, August 2001. [html (abstract)]

Hafed, Z. M. and Clark, J. J., ``Towards the tracking of covert attention: the role of microsaccades", 11th Annual Canadian Conference on Intelligent Systems, Ottawa, June 4-5, 2001.

2000

Rensink, R.A., O'Regan, J.K., and Clark, J.J., "On the Failure to Detect Changes in Scenes Across Brief Interruptions", in Visual Cognition, Vol. 7, No. 1, pp 127-146, 2000. [pdf (draft)]

O'Regan, J.K, Deubel, H., Clark, J.J., and Rensink, R.A., ``Picture changes during blinks: looking without seeing and seeing without looking'', in Visual Cognition Vol. 7, No. 1, pp 191-212, 2000. [html (abstract)]

Sidloi, M. and Clark, J. J., ``Distributed Image Analysis with Streaming Video Interconnects", poster presentation at the 10th Annual Canadian Conference on Intelligent Systems, Montreal, May 2000.

Hochstein, L., Lerner, S., Clark, J.J., and Cooperstock, J., ``Soccer-Swarm: A visualization framework for the development of robot soccer players'', 2000 International Symposium on Robotics, Montreal, May 2000, pp 108-113 [pdf]

Clark, J.J. and O'Regan, J.K., ``A Temporal-difference learning model for perceptual stability in color vision'', 2000 International Conference on Pattern Recognition, Barcelona, Spain, September 2000, pp 503-506 [pdf]

Hafed, Z. and Clark, J.J., ``Neural network model of saccade generation and control'', Investigative Opthalmology and Visual Science, Vol. 41, No. 4, p S315. (abstract of 2000 ARVO Conference), May 2000. [html (abstract)]

1999

Clark, J.J., ``Linking covert and overt attention'', commentary in Behavioural and Brain Sciences, Vol. 22, No. 4, p. 676, 1999 [txt]

Clark, J.J. and O'Regan, J.K., ``Word Ambiguity and the Optimal Viewing Position in Reading", Vision Research, Vol. 39, No. 4, pp 843-857, 1999. [pdf (draft)]

O'Regan, J.K., Rensink, R.A., and Clark, J.J., ``Change blindness as a result of mudsplashes'', Nature, Vol. 398, p. 34, March 4, 1999. [html (abstract)]

Clark, J.J., ``Spatial Attention and Latencies of Saccadic Eye Movements", Vision Research, Vol. 39, No. 3, pp 583-600, 1999 [pdf (draft)]

Clark, J.J., ``Premotor models of spatial attention and eye movement'', invited presentation at the First Annual Computational Neuroscience Symposium, University of Minnesota, October 1999.

Hafed, Z. and Clark, J.J., ``A neural network model of saccade generation in humans'', First Annual Computational Neuroscience Symposium, University of Minnesota, (poster presentation), October 1999.

Hafed, Z.M. and Clark, J.J., ``Investigating attention, fixation, and saccade generation in the oculomotor system", poster presentation at the 9th Annual Canadian Conference on Intelligent Systems, Toronto, June 1999.

Clark, J.J., ``Attention and X-reality", oral presentation at the 9th Annual Canadian Conference on Intelligent Systems, Toronto, June 1999.

Clark, J.J. and Pekau, H., ``An integral formulation of differential photometric stereo'', Proceedings of the 1999 IEEE Computer Vision and Pattern Recognition Conference, Fort Collins, Colorado, June 1999, pp 119-124. [pdf]

Hamze, F. and Clark, J.J., ``View-based route learning with self-organizing neural networks'', 1999 Workshop on Perception for Mobile Agents, Fort Collins, Colorado, pp 61-73, June 1999. [pdf]

1998

Clark, J.J., ``Spatial attention and saccadic camera motion'', Proceedings of the IEEE International Conference on Robotics and Automation, Leuven, Belgium, May 1998, pp 3247-3252. [pdf]

Clark, J.J., ``Premotor theory of attention'', lecture given at the Workshop on Neuromorphic Engineering, Telluride, Colorado, July 1998.

Clark, J.J., ``Computational Vision for Sensorimotor Control and Navigation'', lecture given at the Workshop on Neuromorphic Engineering, Telluride, Colorado, July 1998.

Clark, J.J., ``Spatial attention and the maintenance of representations of a robot's environment'', Proceedings of the 1998 Workshop on Perception for Mobile Agents, Santa Barbara, June 1998. [pdf]

Clark, J.J. ``Control of Active Vision Systems'', invited presentation at the Perspectives in Control Conference (Festschrift for Roger Brockett), Cambridge, MA, October 1998.

1997

Rensink, R.A., O'Regan, J.K., and Clark, J.J., ``To See or Not to See: The Need for Attention to Perceive Changes in Scenes.'', Psychological Science, Vol 8, pp 368-373. 1997. [html (abstract)]

Rensink R.A., O'Regan JK, and Clark J.J., ``The Need for Attention to See Changes in Scenes.'', Nissan Technical Review, Vol. 41, pp 57-60. 1997 [html (abstract)]

Clark, J.J. and Wang, L., ``Trajectories for optimal temporal integration in active vision systems'', Proceedings of the IEEE International Conference on Robotics and Automation, Albuquerque N.M., pp 431-436, April 1997 [pdf]

O'Regan, J.K., Deubel, H., Clark, J.J. and Rensink, R.A., ``Picture changes during blinks: not seeing where you look and seeing where you don't look'', Investigative Opthalmology and Visual Science, vol. 38, No. 4, p 707, 1997. (abstract of 1997 ARVO Conference) [html (abstract)]

1996

Rensink, R.A., O'Regan, J.K., and Clark, J.J., ``To see or not to see: The need for attention to perceive changes in scenes'', International Journal of Psychology, 31(3/4):, p 257, 1996 ((abstract) of 1996 International Congress of Psychology, Montreal) [html (abstract)]

Rensink, R.A., O'Regan, J.K., and Clark, J.J., ``To see or not to see: The need for attention to perceive changes in scenes'', Investigative Opthalmology and Visual Science, vol. 37, No. 4, p 213, 1996 (abstract of 1996 ARVO Conference) [html (abstract)]

O'Regan, J.K., Rensink, R.A., and Clark, J.J., ``Mud splashes render picture changes invisible'', Investigative Opthalmology and Visual Science, vol. 37, No. 4, p 213, 1996 (abstract of 1996 ARVO Conference) [html (abstract)]

1995

Saxena, N. and Clark, J.J., ``Analogue system for eigenvalue computation and sorting based on an isospectral matrix flow'', Electronics Letters, Vol. 31, No. 1, pp 24-26, 1995 [pdf]

Saxena, N. and Clark, J.J., ``Parallel implementation of the double bracket matrix flow for eigenvalue-eigenvector computation and sorting", in Algorithms and Parallel VLSI Architecture, M. Moonen and F. Cathorr, eds, Elsevier Scientific Press, pp 85-96, 1995

Rensink, R.A., O'Regan, J.K., and Clark, J.J., ``Image flicker is as good as saccades in making large scene changes invisible'', Perception (suppl.), Vol. 24, pp 26-28, 1995 (abstract of the European Conference on Visual Perception, Tubingen Germany, August 1995) [html (abstract)]

Weisman, M.J., Yuille, A.L., and Clark, J.J., ``Parameterized Surface Fitting via MAP Estimation for Binocular Stereo'', Proceedings of the 1995 IEEE International Conference on Robotics and Automation, Nagoya, Japan, 1995, pp 2049-2053. [pdf]

1994

Saxena, N. and Clark, J.J., ``A four-quadrant CMOS analog multiplier for analog neural networks", IEEE Journal of Solid State Circuits, pp 746-749, June 1994. [pdf]

Saxena, N. and Clark, J.J., ``Parallel implementation of the double bracket matrix flow for eigenvalue-eigenvector computation and sorting", Proceedings of the 3rd International Workshop on Algorithms and Parallel VLSI Architectures, Leuven, Belgium, August 1994

Wang, L. and Clark, J.J., ``Active shape and depth extraction from shadow images", Proceedings of the International Conference on Image Processing, Austin, Texas, pp 530-533, November 1994 [pdf]

Clark, J.J. and Hewes, R.P., ``MIMD image analysis with local agents", Proceedings of the International Conference on Image Processing, Austin, Texas, pp 681-685, November 1994 [pdf]

Clark, J.J., and Hewes, R.P., ``A model for natural and artificial MIMD systems", poster presented at ALIFE IV, Cambridge MA, July 1994

1993

Ferrier, N.J., and Clark, J.J., ``The Harvard Binocular Head", in the International Journal of Pattern Recognition and Artificial Intelligence, Vol. 7, No. 1, pp 9-32, 1993, also in ACTIVE ROBOT VISION: Camera Heads, Model Based Navigation and Reactive Control, H.I. Christensen, K.W. Bowyer and H. Bunke eds., World Scientific Press, Singapore, pp 9- 32, 1993

Clark, J.J., and Cochran, D., ``Time-warped Bandlimited Signals: Sampling, Bandlimitedness, and Uniqueness of Representation'', in Proceedings of the IEEE International Symposium on Information Theory, San Antonio, TX, p. 331, January 1993 [pdf]

Wang, L. and Clark, J.J., ``Shape from active shadow motion", Proceedings of the SPIE Conference on Intelligent Robots and Computer Vision XII, Boston, MA, pp. 2-13, September 1993 [html (abstract)]

1992

Clark, J.J., and Ferrier, N.J., ``Attentive visual servoing'', in An Introduction to Active Vision, A. Blake and A.L. Yuille, eds, MIT Press, Cambridge Massachusetts, pp 137-154, 1992 [pdf]

Yuille, A.L., and Clark, J.J., ``Bayesian Models, Deformable Templates, and Competitive Priors'', in Spatial Vision in Humans and Robots, L. Harris and M. Jenkin, eds., pp 137-154, Cambridge University Press, Cambridge England, 1992.

Clark, J.J., ``Active Photometric Stereo", in Proceedings of the 1992 IEEE Computer Vision and Pattern Recognition Conference, Champaign, IL, pp 29-35, June 1992 [pdf]

Clark, J.J., Weisman, M.J. and Yuille, A.L., ``Using Viewpoint Consistency Information in Active Stereo Vision", Proceedings of SPIE Conference on Intelligent Robots and Computer Vision XI, Boston, MA, pp. 696-702, November 1992 [html (abstract)]

1991

Clark, J.J. and Friedman, D.J., ``VLSI Sensorimotor Systems", Proceedings of the 1991 IEEE Robotics and Automation Conference, Sacramento, pp 1342-1347, April 1991 [pdf]

Clark, J.J., ``Whitening Filtering Error Using Nonuniform Sampling", Proceedings of the 10th Annual Phoenix Conference on Computers and Communications, Scottsdale AZ, pp 477-482, March 1991 [pdf]

Friedman, D.J. and Clark, J.J., ``VLSI Sensor/Processor Circuitry for Autonomous Robots", Proceedings of the SPIE Conference on Optics, Illumination and Image Sensing for Machine Vision VI, Boston, pp 99-110, November 1991 [html (abstract)]

1990

Clark, J.J., and Yuille, A.L., Data Fusion for Sensory Information Processing Systems, Kluwer Academic Publishers, Boston, MA, 1990.[pdf (very large file)]

Clark, J.J., ``Split Drain MOSFET Magnetic Sensor Arrays", Sensors and Actuators, Vol. 24, pp 107-116, 1990 [html (abstract)]

Hwang, T.L. and Clark, J.J., ``A Spatio-temporal Generalization of Canny's Edge Detector", Proceedings of the 10th Int. Conference on Pattern Recognition, Atlantic City, pp 314-318, June 1990 [pdf]

Hwang, T.L. and Clark, J.J., ``On Local Detection of Moving Edges", Proceedings of the 10th Int. Conference on Pattern Recognition, Atlantic City, pp 180-184, June 1990 [pdf]

Bestavros, A.A., Clark, J.J., and Ferrier, N.J., ``Management of Active Sensing in Mobile Robotic Systems'', Proceedings of the 1990 IEEE Robotics and Automation Conference, Cincinnati, pp 592-597, May 1990. [pdf]

Ferrier, N.J. and Clark, J.J., ``Optimal Motion for Active Sensing'', Proceedings of the 1990 International Symposium on Robotics and Manufacturing, Vancouver, pp 169-174, July 1990.

Clark, J.J. and Hewes, R.P., ``Active Sensing at a Microscopic Scale", Proceedings of the 1990 IEEE International Symposium on Intelligent Control, Philadelphia, pp 246-251, September 1990. [pdf]

Clark, J.J., ``An Analog CMOS Implementation of a Self-organizing Feedforward Network'', Proceedings of the 1990 International Joint Conference on Neural Networks, pp II-118-121, January 1990

Cochran, D., and Clark, J.J., ``On the Sampling and Reconstruction of Time Warped Band-limited Signals'', Proceedings of the 1990 International Conference on Acoustics Speech and Signal Processing, Albequerque, N.M., pp 1539-1541, April 1990 [pdf]

Clark, J.J. and Yuille, A.L., ``Shape From Shading via the Fusion of Specular and Lambertian Image Components'', Proceedings of the 10th Int. Conference on Pattern Recognition, Atlantic City, pp 88-92, June 1990 [pdf]

1989

Clark, J.J., ``Authenticating edges produced by zero crossing algorithms.", IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 11, No. 1, pp 43-57, January 1989 [pdf]

Hwang, T.L., Clark, J.J., and Yuille, A.L., ``A Depth Recovery Algorithm Using Defocus Information'', Proceedings of the 1989 IEEE Computer Vision and Pattern Recognition Conference, San Diego, pp 476-482, June 1989 [pdf]

Clark, J.J., ``Sampling and Reconstruction of Non Bandlimited Signals'', Proceedings of the 1989 SPIE Conference on Visual Communications and Image Processing, Philadelphia, pp 1556-1562, November 1989 [html (abstract)]

Clark, J.J. and Friedman, D.J., ``Local Processing of Sensor Array Data Using Current Mode Circuitry", Proceedings of the 1989 International Electron Devices Meeting, Washington, pp 507-510, December 1989 [pdf]

Clark, J.J. and Ferrier, N.J., ``Control of Visual Attention in Mobile Robots", Proceedings of the 1989 IEEE Conference on Robotics and Automation, Scottsdale Arizona, pp 826-831, May 1989 [pdf]

1988

Clark, J.J., ``Singularity theory and phantom edges in scale space.", IEEE Trans. Pattern Analysis and Machine Intelligence, Vol 10, No. 5, pp 720-726, September 1988. [pdf]

Clark, J.J. and Ferrier, N.J., ``Modal Control of an Attentive Vision System", Proceedings of the Second International Conference on Computer Vision, Tarpon Springs Florida, pp 514-523, December 1988 [pdf]

Clark, J.J., ``CMOS Magnetic Sensor Arrays", Technical Digest of the 1988 Solid-State Sensor and Actuator Workshop, Hilton Head Island, South Carolina, pp 72-75, June 1988 [pdf]

Clark, J.J., ``A Magnetic Field Based Compliance Matching Sensor for High Resolution, High Compliance Tactile Sensing", Proceedings of the 1988 IEEE Conference on Robotics and Automation, Philadelphia, PA, pp 772-778, April 1988 [pdf]

Clark, J.J., ``Novel Circuit Techniques for Sensor Arrays", invited presentation at the Second Workshop on Synthetic Microstructures in Biological Research, Airlie Virginia, March 1988

1987

Clark, J.J., ``Singularities of Contrast Functions in Scale Space", Proceedings of the First International Conference on Computer Vision, London, pp 491-495, June 1987

1986

Clark, J.J., ``Analysis of the error in the reconstruction of N dimensional stochastic processes.", IEEE Transactions on Acoustics, Speech and Signal Processing, Vol. 34, No. 5, pp 1326-1329, October, 1986 [pdf]

Clark, J.J. and Lawrence, P.D., ``A theoretical basis for diffrequency stereo.", Computer Vision, Graphics and Image Processing, Vol. 35, No. 1, pp 1-19, June, 1986.

1985

Clark, J.J., Palmer, M.R., and Lawrence, P.D., ``A transformation method for the reconstruction of functions from non-uniformly spaced samples.", IEEE Transactions on Acoustics, Speech and Signal Processing, Vol. 33, No. 4, pp 1151-1165., October, 1985. (Awarded the IEEE Transactions on ASSP Best Paper Award, 1987) [pdf]

Clark, J.J. and Lawrence, P.D., ``A systolic parallel processor for the rapid computation of multi-resolution edge images using the $nabla^2G$ operator.", Journal of Parallel and Distributed Computing, Vol. 2, pp 302-319, 1985.[pdf]

1984

Clark, J.J. and Lawrence, P.D., ``A hierarchical image analysis system based upon oriented zero crossings of bandpassed images.", in Multi-Resolution Image Processing and Analysis , Azriel Rosenfeld, ed., Springer-Verlag, pp 148-168, 1984

1981

Clark, J.J., Lawrence, P.D., Cottell, P. and Sauder, B.J., ``Data Logger: A data acquisition and recording system for man-machine studies'', presented at the Joint Regional Meeting of the Canadian and American Societies of Agricultural Engineering, Edmonton, Alberta, Sept., 1981.

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