Roles and Responsibilities

Image/Vision Scientist, Vision & Eye Research Unit (VERU), Postgraduate Medical Institute;
Co-convenor, REF 2014: Allied Health Professions, Dentistry, Nursing and Pharmacy;
Chair, Postgraduate Research Student Annual Monitoring Meetings;
Course Leader, BSc (Hons) Computing, Chelmsford.

Current Teaching

AV Software Development
Data Structures & Algorithms
Image Processing
Signals and Signal Processing

Professional Body Memberships/Activities

• Examiner, Object Oriented Programming and Distributed & Parallel Systems, British Computer Society, from July, 2006
• Fellow of the British Computer Society (FBCS), from May 15, 2007 (10039720)
• Fellow of the Higher Education Academy (FHEA), from March 9, 2007 (29014)
• Science & Engineering Ambassador of the Science, Technology, Engineering & Mathematics Network (STEMNET), from 2008
• Strategic Advisory Committee, Pearson/EdExcel, A-level Computer Science Redevelopment (2012-)
• Strategic Advisory Committee, Pearson, BTEC National Computing Redevelopment (2012-)

Academic and Professional Qualifications

• Post-doctoral Researcher/Visiting Scholar, Laboratory for Image & Video Engineering (LIVE) & Center for Perceptual Systems, University of Texas at Austin, 2004-08
• PhD Human/Computer Vision, Anglia Ruskin University, February, 2003
• MSc Cognitive & Clinical Neuroscience, Department of Psychology, Goldsmiths College, University of London (Distinction)
• Chartered Engineer, Engineering Council UK (CEng), from July 13, 2006 (561911)
• Chartered Scientist, Science Council UK (CSci), from May 15, 2006 (BCS/111/000112)
• Chartered IT Professional, British Computer Society (CITP), from February 23, 2006 (10039720)

Journal Publications

van der Linde, I. & Doe, R. M. (2012). The influence of affective image content on subjective quality assessment. Journal of the Optical Society of America A: Optics, Image Science, and Vision, 29(9), 1948-1955, doi: 10.1364/JOSAA.29.001948. [republished in Virtual Journal of Biomedical Optics, 7(11)].

Sapkota, R., Pardhan, S., van der Linde, I. (2012). Manual tapping enhances visual short-term memory performance where visual and motor coordinates correspond. British Journal of Psychology, 104(2), 249-264, doi: 10.1111/j.2044-8295.2012.02115.x.

Sapkota, R., Pardhan, S., van der Linde, I. (2011). The impact of extra-foveal information on visual short-term memory for object-position. Journal of Cognitive Psychology, 23(5), 574-585, doi: 10.1080/20445911.2011.553597.

Sapkota, R., Pardhan, S., van der Linde, I. (2011). Object-position binding in visual short-term memory for sequentially presented unfamiliar stimuli. Perception, 40(5), 538-548, doi: 10.1068/p6899.

van der Linde, I., Watson, T. (2010). A combinatorial study of pose effects in unfamiliar face recognition. Vision Research, 50(5), 522-533, doi: 10.1016/j.visres.2009.12.012.

van der Linde, I., Rajashekar, U., Bovik, A.C., Cormack, L.K. (2009). DOVES: A database of visual eye movements. Spatial Vision, 22(2), 161-177, doi: 10.1163/156856809787465636.

Tavassoli, A., van der Linde, I., Bovik, A.C., Cormack L.K. (2009). Eye movements selective for spatial frequency and orientation during active visual search. Vision Research, 49(2), 173-178, doi: 10.1016/j.visres.2008.10.005.

van der Linde, I., Rajashekar, U., Bovik, A.C., Cormack, L.K. (2009). Visual memory for fixated regions of natural images dissociates attraction and recognition. Perception, 38(8), 1152-1171, doi: 10.1068/p6142.

Rajashekar, U., van der Linde, I., Bovik, A.C., Cormack, L.K. (2008). GAFFE: A gaze-attentive fixation finding engine. IEEE Transactions on Image Processing, 17(4), 564-573, doi: 10.1109/TIP.2008.917218.

Tavassoli, A., van der Linde, I., Bovik, A.C., Cormack, L.K. (2007). Orientation anisotropies in visual search revealed by noise. Journal of Vision, 7(12), 1-8, doi: 10.1167/7.12.11.

Rajashekar, U., van der Linde, I., Bovik, A.C., Cormack, L.K. (2007). Foveated analysis of image features at fixations. Vision Research, 47(25), 3160-3172, doi: 10.1016/j.visres.2007.07.015.

Tavassoli, A., van der Linde, I., Bovik, A.C., Cormack, L.K. (2007). An efficient technique for revealing visual search strategies with classification images. Perception & Psychophysics, 69(1), 103-112, doi: 10.3758/BF03194457.

Selected Conference Presentations

Sapkota, R., Pardhan, S., & van der Linde, I. (2013). Change detection in VSTM: The relative impact of pairwise swaps and object substitutions. Vision Sciences Society, May 10-15 2013, Naples FL.

van der Linde, I., Pardhan, S., & Sapkota, R. (2013). Spatiotemporal priming facilitates visual-short term memory only in a forward-direction. Vision Sciences Society, May 10-15 2013, Naples FL.

Silvestre-Blanes, J., van der Linde, I. & Rubén Pérez Llorens (2012). A comparison of the statistical properties of IQA databases relative to a set of newly captured high-definition images. European Conference on Computer Vision, Oct 7-12, Florence, Italy. Lecture Notes in Computer Science, 7575, 791-804. 10.1167/12.9.292.

Notice, K. J., van der Linde, I., Pardhan, S. & Bright, P. (2012). Reduced oculomotor inhibition with increased visual working memory load. Cognitive Neuroscience Society, March 31 - April 3, Chicago IL, Journal of Cognitive Neuroscience (Supplement), 226-227.

Roberts, A. L., Hills, P. J. & van der Linde, I. (2012). The effect of interaction belief on recognition memory for human faces. Experimental Psychology Society, April 11-13, Hull, UK. Quarterly Journal of Experimental Psychology, 65(23), 2465, doi: 10.1080/17470218.2012.746561.

van der Linde, I. & Mul C-L. (2012). The impact of familiarity on performance when seeking a face in a crowd. 16th AVA Xmas Meeting, December 19 2011, York, UK. i-Perception, 3(4), 251, doi: 10.1068/id251.

Pardhan, S., McGonigle, C., van der Linde, I., Allen, P. & Rae, S. (2012). Resetting visual experience: Different contrast threshold outcomes when adapting to white noise and printed text. ARVO, May 6-10, Fort Lauderdale, FL.

van der Linde, I. (2011). A study of visual short-term memory by 'Concentration': Human, spatial-memory-only and object-file simulation results. 11th Vision Sciences Society Annual Meeting, May 6-11, Naples, FL. Journal of Vision, 11(11), 1283, doi: 10.1167/11.11.1283.

Sapkota, R., Pardhan, S. & van der Linde, I. (2011). Priming effects in visual short-term memory for object position: Evidence for name-addressable object files? 34th European Conference on Visual Perception, August 28 - September 1, Toulouse, France. Perception, 40, 82-83.

Rae, S., Shorrock, H., van der Linde, I. & Pardhan, S. (2011). Role of target spatial content and size in perceptual detectability of blur. ARVO, May 1-5, Fort Lauderdale FL.

Notice, K. J., Bright, P. Pardhan, S. & van der Linde, I. (2011). Holding irrelevant information in visual working memory influences saccadic eye movements. 26th Annual PsyPAG Conference, July 6-8, Bangor, Wales.

Rae, S., van der Linde, I., Shorrock, H. & Pardhan, S. (2010). Influence of target spatial content on accommodation response dynamics. 13th International Conference on Myopia, July 26-29, Tuebingen, Germany. Optometry & Vision Science, 88(3), doi: 10.1097/OPX.0b013e31820ca987.

Pardhan, S., Shorrock, H., van der Linde, I. & Rae, S. (2010). Do proximal and distal objective depth of focus differ in myopes? 13th International Conference on Myopia, July 26-29, Tuebingen, Germany. Optometry & Vision Science, 88(3), doi: 10.1097/OPX.0b013e31820ca987.

Sapkota, R., Pardhan, S. & van der Linde, I. (2010). Feature binding across visual and manual domains: Evidence from a VSTM study. Vision Sciences Society Annual Meeting, May 7-12, Naples, FL. Journal of Vision, 10(7), 766, doi: 10.1167/10.7.766 .

Sapkota, R., Pardhan, S. & van der Linde, I. (2010). Object-position binding in visual short-term memory for serially presented unfamiliar stimuli. 14th AVA Xmas Meeting, December 18 2009, Bristol, UK. Perception, 39(2), 271, doi: 10.1068/ava09.

Rae, S., Shorrock, H., van der Linde, I., Austin, D. & Pardhan, S. (2010). Contribution of objective depth of focus to reduced blur sensitivity in myopes. ARVO, May 2-6, Fort Lauderdale, FL.

van der Linde, I. & Watson, T. (2009). An investigation of pose-contingent effects in unfamiliar face recognition by combinatoral manipulation of yaw and roll. 9th Vision Sciences Society Annual Meeting, May 8-13, Naples, FL. Journal of Vision, 9(8), 528, doi: 10.1167/9.8.528.

Sapkota, R., Pardhan, S. & van der Linde, I. (2009). Extra-foveal processing in visual short-term memory: Facilitatory or inhibitory? 13th AVA Xmas Meeting, December 19 2008, Bristol, UK. Perception, 38(3), 467, doi: 10.1068/ava08.

Sapkota, R., Pardhan, S. & van der Linde, I. (2009). Dual impact of extra-foveal processing in human visual short-term memory. Vision Sciences Society Annual Meeting, May 8-13, Naples, FL. Journal of Vision, 9(8), 596, doi: 10.1167/9.8.596 .

Sapkota, R., Pardhan, S., Tavassoli, A. & van der Linde, I. (2008). Visual short-term memory for unfamiliar visual stimuli. British Congress for Optometry and Vision Science, September 4-5 2007, Ulster, NI. Ophthalmic and Physiological Optics, 28(1), 99, doi: 10.1111/j.1475-1313.2007.00530_10.x.

Tavassoli, A., van der Linde, I., Bovik, A. C. & Cormack, L. K. (2008). Selectivity for multiple orientations in visual search. 8th Vision Sciences Society Annual Meeting, May 9-14, Naples, FL. Journal of Vision, 8(6), 1078, doi: 10.1167/8.6.1078 .

van der Linde, I., Tavassoli, A., Bovik, A. C. & Cormack, L. K. (2006). Classification images reveal observer templates underlying the direct tilt illusion. 6th Vision Sciences Society Annual Meeting, May 5-12, Sarasota, FL. Journal of Vision, 6(6), 451, doi: 10.1167/6.6.451.

Tavassoli, A., van der Linde, I., Bovik, A. C. & Cormack, L. K. (2006). Noise unveils spatial frequency and orientation selectivity during visual search. 6th Vision Sciences Society Annual Meeting, May 5-12, Sarasota, FL. Journal of Vision, 6(6), 450, doi: 10.1167/6.6.450.

Rajashekar, U., van der Linde, I., Bovik, A. C., & Cormack, L. K. (2006). Statistical analysis and selection of visual fixations. 6th Vision Sciences Society Annual Meeting, May 5-12, Sarasota, FL. Journal of Vision, 6(6), 496, doi: 10.1167/6.6.496.

Rajashekar, U., van der Linde, I., Cormack, L. K. & Bovik, A. C. (2006). Foveated analysis and selection of fixations in natural scenes. International Conference on Image Processing, October 8-11, Atlanta GA, 453-456, doi: 10.1109/ICIP.2006.312491.

van der Linde, I., Rajashekar, U., Cormack, L. K. & Bovik, A.C. (2005). A study of human recognition rates for foveola-sized image patches selected from initial and final fixations on calibrated natural images. Proc. SPIE/IS&T Electronic Imaging: Human Vision and Electronic Imaging X, January 17-20, San Jose, CA, 5666, 27-38, doi: 10.1117/12.594711.

Yang, Y., Mootanah, R., van der Linde, I., Ingle, P. & Viceconti, M. (2005). The registration of CT-MRI images of biomechanical systems in the Multimod Application Framework using mutual information and pixel intensity gradients. 2nd International Conference on Computational Bioengineering, September 14-16, Lisbon, Portugal.

Yang, Y., van der Linde, I., Mootanah, R., Wou, P. & Ingle, P. (2005). Assembling finite element models of human joints using multiple imaging modalities. 12th International Conference on Biomedical Engineering, December 7-10, Singapore.

van der Linde, I., Rajashekar, U., Cormack, L. K. & Bovik, A. C. (2004). The role of natural image statistics in visual memory and recognition. British Machine Vision Association, Applied Vision Association, and Society for Pattern Recognition: Image Features & Statistics Symposium, October 27, London, UK.

Tavassoli, A., van der Linde, I., Cormack, L. K. & Bovik, A. C. (2004). Accelerated classification images for the psychophysical investigation of visual search. 9th AVA Xmas Meeting: Images, Perception & Psychophysics, December 16 2003, Birmingham, UK. Perception, 32(2), 250, doi: 10.1068/ava04.

van der Linde, I. (2004). Multi-resolution image compression using image foveation and simulated depth of field for stereoscopic displays. Proc. SPIE/IS&T Electronic Imaging: Stereoscopic Displays and Virtual Reality Systems XI, January 19-22, San Jose, CA, 5291, 71-80, doi: 10.1117/12.521886.

Mahadeo, R., van der Linde, I., Ingle, P. & Mootanah, R. (2002). Accurate allocation of material properties to a three-dimensional scapula model with compensation for misalignment between CT scan and finite element representations. 5th Asia-Pacific Conference on Medical and Biological Engineering, December 4-7, Singapore.

Mootanah, R. & van der Linde, I. (2001). A numerical method for using CT-scan data to accurately assign values of elastic moduli to bone finite element models. 5th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering. October 31 - November 3, Rome, Italy.

Mootanah, R., van der Linde, I., Ingle, P., Cheah, K., Dowell, J. & Shelton, J. (2001). An accurate three dimensional finite element model of the pelvic bone with geometry and material properties retrieved from CT-scan data. 8th International Symposium on Computer Simulation in Biomechanics, July 4-6, Milan, Italy.

van der Linde, I. (2000). Eye-tracking for psychovisual 3D video coding using space variant low-pass filters and z-buffer analysis. 1st Irish Workshop on Eye-tracking, 17 May, Dublin, Ireland.

Selected Grants/Awards

van der Linde, I. (2012). Economic & Social Research Council, National Centre for Research Methods (NCRM) Training Bursary, £400.

van der Linde, I. (2011). The Wellcome Trust, "I'm a Scientist, Get Me Out of Here", Winner, Nickel Zone, £500.

Hills, P. & van der Linde, I. (2011). Home Office Scientific Development Branch, Facial Image Comparison, £6,000.

Bourne, R. A. & van der Linde, I. (2010). Knowledge Transfer Partnership, Medisoft Limited, £174,457.

van der Linde, I. (2011). The Wellcome Trust, Biomedical Vacation Scholarship, £1,440.

van der Linde, I. (2006). Economic & Social Research Council, National Centre for Research Methods (NCRM) Training Bursary, £1000.

van der Linde, I. (2006). British Academy, Overseas Travel Grant, £400.

van der Linde, I. (2005). Small Grant, Institution of Mathematics & Its Applications (IMA), Statistics of Natural Images, £600.

van der Linde, I. (2005). Richard Eagle Memorial Award, Applied Vision Association, £388.

Gatheral, G., Cole, B., van der Linde, I. (2003). Higher Education Academy, Developing Reusable Learning Objects, £5000.

PhD Students (Supervised to Completion)

• Graham Martin (2012). The effects of vehicle wiring on electrical/electronic system performance (Strange, C., van der Linde, I. & Zizzo, C.);
• Raju Sapkota (2010). Human visual short-term memory for unfamiliar stimuli: Visual, spatial and motor binding (van der Linde, I. & Pardhan, S.);
• Yan Yang (2008). CT-MRI medical image registration (van der Linde, I., Mootanah, R. & Ingle, P.).

PhD Students (Current)

• Heather Shorrock (2008-), Department of Vision & Hearing Sciences. The optical, neural and perceptual basis of blur sensitivity and interpretation differences in myopes and emmetropes (Pardhan, S., Rae, S. & van der Linde, I.);
• Keisha Notice (2009-), Department of Psychology. Visual working memory, top-down processing and saccadic curvature (Bright, P., Pardhan, S. & van der Linde, I.);
• Colm McGonigle (2011-), Department of Vision & Hearing Sciences. Does visual experience influence accommodative accuracy & the maintenance of a clear retinal image? (Rae, S., Allen, P., van der Linde, I., & Pardhan, S.);
• Peter Cousins (2012-), Department of Computing & Technology and Millennium Seed Bank - Royal Botanic Gardens, Kew. Automatic non-destructive seed identification by eidonomic image analysis (van der Linde, I., Cirstea, S. & Stuppy, W.);
• Yaacoub Yousef (2012-), Department of Computing & Technology. Behavioral factors that give rise to the unsafe use of online social networks (van der Linde, I., Holley, D. & Shirvani, A.).
• Vivian Oyemike (2012-), Department of Computing & Technology. Barriers to the adoption of cloud computing services (Carter, T., van der Linde, I.).
• Leon Webster (2013-), Postgraduate Medical Institute. Cardiovascular bioinformatics (Hampton-Till, J., van der Linde, I., Davies, J.).

Training

Introduction to Bayesian Analysis using WinBUGS/OpenBUGS, Cathie Marsh Centre for Census and Survey Research (CCSR), School of Social Sciences, University of Manchester, UK (January 24-25, 2012);

MATLAB for Building Graphical User Interfaces, The Mathworks Inc., Matrix House, Cambridge, UK (June 4, 2009);

MATLAB Programming Techniques, The Mathworks Inc., Matrix House, Cambridge, UK (July 22, 2009);

Summer School, Transcranial Magnetic Stimulation (TMS), Institute of Cognitive Neuroscience and Magstim Ltd, University College London, UK (May 25-26, 2009);

Visiting Fellowship in Function Magnetic Resonance Imaging (fMRI), Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School (HMS), Massachusetts General Hospital (MGH) and MIT, Boston MA (June 26-30, 2006);

Colour Vision Course: Fundamental Studies and Clinical Applications, Applied Vision Research Centre, The Henry Wellcome Laboratories for Vision Sciences, City University, London, UK (November 4-5, 2005);

Cisco Instructor Training, Fundamentals of Unix, Technology Innovation Centre, University of Central England, Birmingham, UK (May, 2003).