Technical Publications

AWARDS
2014 IEEE International Conference on Image Processing, Paris, France, Best Paper Award, 3D Keypoint Detection by Light Field Scale-Depth Space Analysis, Ivana Tosic and Kathrin Berkner, October 2014.

2010 International Conference on Pattern Recognition, Best Industrial Related Paper, Toward Massive Scalability in Image Matching.

ACM Hotmobile Conference 2010, Best Presentation Award, Mobile Image Recognition: Architectures and Tradeoffs

Good Design Award for Whiteboard Share, Japan, 2010.

Industry Researcher of the Month, CRA-W, February 2009.

Best Paper Award of the 2006 IEEE International Conference on Multimedia and Expo, Toronto, Canada, for work on Multimedia Thumbnails - video clips of documents adapted to mobile devices. Computing a Multimedia Representation for Documents Given Time and Display Constraints, B. Erol, K. Berkner, S. Joshi and J. J. Hull, July 2006. (PDF)

Ricoh’s internal Minori Award for outstanding creativity in research for development of wavelet-based enhancement method for image and text processing in digital copiers, first non-Japanese recipient of this award, November 2003.

TECHNICAL PUBLICATIONS

2014
"Connecting Content and Annotations with LiveStroke" Michael Gormish and John Barrus, DocEng, ACM Symposium on Document Engineering, Fort Collins, CO, September 2014.

"Image-Based Document Management: Aggregating Collections of Handwritten Forms." John Barrus and Edward L. Schwartz, DocEng, ACM Symposium on Document Engineering, Fort Collins, CO, September 2014.

Lightfield Otoscope
Noah Bedard, Ivana Tosic, Lingfei Meng, Kathrin Berkner, in OSA Imaging and Applied Optics, Imaging Systems and Applications, Seattle, WA, July 2014.

Light Field Scale-Depth Space Transform for Dense Depth Estimation Ivana Tosic, Kathrin Berkner, CVPR Workshop on Computational Cameras and Display, Columbus, OH, June 2014 Link to electronic version:

A 2.4GHz Ambient RF Energy Harvesting System with -20dBm Minimum Input Power and NiMH Battery Storage
K. Gudan, Sergey Chemishkian, J.J. HullJ.J. Hull, S. Thomas, J. Ensworth, M. Reynolds, IEEE RFID-TA, Tampere Finland, Sept. 2014.

2013
Occlusion-aware layered scene recovery from light fields
Y Lin, I Tosic, K Berkner, IEEE International Conference on Image Processing (ICIP), Melbourne, Australia, September 2013

Plenoptic System Response and Image Formation
Shroff, S. A., Berkner, K., OSA Imaging and Applied Optics, Applied Industrial Optics, Arlington, VA, June 2013.

Understanding the Design-space of a Plenoptic Camera through an end-to-end system Model
Berkner, K., Meng, L., Schroff, S. A., Tosic, I., OSA Imaging and Applied Optics, Imaging Systems and Applications, Arlington, VA, June 2013.

Optimization of Filter Layout for Spectrally Coded Plenoptic Camera
Meng, L., Berkner, K., OSA Imaging and Applied Optics, Imaging Systems and Applications, Arlington, VA, June 2013.

Target detection with a low-power holographic detector
Pavana, S. R. P., Meng, L., OSA Imaging and Applied Optics, Computational Optical Sensing and Imaging, Arlington, VA, June 2013.

Liquid Drop Lenses for Miniature Sensors
McCall, B., Pavana, S. R. P., OSA Imaging and Applied Optics, Computational Optical Sensing and Imaging, Arlington, VA, June 2013.

Image formation analysis and high resolution image reconstruction for plenoptic imaging systems
Shroff, S. A., Berkner, K., Appl. Opt. 52, D22-D31 (2013). (PDF)

Dictionary learning for incoherent sampling with application to plenoptic imaging
I. Tošić, I., Shroff, S. A, Berkner, K., IEEE International Conference on Acoustics, Speech and Signal Processing, Vancouver, CA (2013).

Wave analysis of a plenoptic system and its applications
Shroff, S. A., Berkner, K., Proc. SPIE 8667, Multimedia Content and Mobile Devices, 86671L (March 7, 2013) (PDF)

Evaluation of multispectral plenoptic camera
Lingfei Meng, Ting Sun, Rich Kosoglow, et al., Digital Photography IX, Proceedings of SPIE Vol. 8660, 86600D (2013) (PDF)

The CloudBoard Research Platform: an interactive whiteboard for corporate users
John Barrus, Edward L. Schwartz…, Proc. SPIE 8664, Imaging and Printing in a Web 2.0 World IV, 866405 (March 21, 2013); doi:10.1117/12.2010964, March 2013 (PDF)

2012
Feasibility of Wireless Sensors Using Ambient 2.4 GHz RF Energy
K. Gudan, S. Chemishkian, J.J. Hull, M.S. Reynolds, S. Thomas, IEEE Sensors, Taipei, Taiwan, 2012.

Design framework for a spectral mask for a plenoptic camera
Kathrin Berkner, Sapna A. Shroff, in Digital Photography VIII, Proceedings of SPIE Vol. 8299 (2012) (PDF)

System Model and Performance Evaluation of Spectrally Coded Plenoptic Camera
L. Meng and K. Berkner in Imaging and Applied Optics Technical Papers, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW1A.3. (PDF)

High Resolution Image Reconstruction for Plenoptic Imaging Systems using System Response
S. Shroff and K. Berkner in Imaging and Applied Optics Technical Papers, OSA Technical Digest (online) (Optical Society of America, 2012), paper CM2B.2. (PDF)

HoloCam: Low-power wide-field incoherent target detector
S. R. P. Pavani, J. J. Hull, S. Chemishkian et al, Imaging and Applied Optics Technical Papers, OSA Technical Digest (online) (Optical Society of America, 2012), paper CTu3B.5. (PDF)

2011

Defocus Analysis for a Coherent Plenoptic System
Shroff, S. A., Berkner, K., Frontiers in Optics, OSA Technical Digest, (Optical Society of America), October 2011.

Mobile Phones and Information Capture in the Workplace
Amrita Thakur, Michael Gormish, Berna Erol, Proceedings of the ACM Computer Human Interaction (CHI) Conference, 2011. (PDF)

Whiteboard Sharing: Capture, process, and print or email
Michael Gormish, Berna Erol, Daniel G. Van Olst, Tim Li, Andrea Mariotti, SPIE EI, 2011. (PDF)

Mobile Search and Browsing, a chapter in Mobile Web 2.0: Developing and Delivering Services to Mobile Devices
B. Erol, J. Luo, V. Setlur, CRC Press, 2011.

Optimization of Spectrally Coded Mask for Multi-modal Plenoptic Camera
Berkner, K. Shroff, S., Proceedings of Computational Optical Sensing and Imaging (COSI), Toronoto, Canada, July 2011. (PDF)

3D Imager Design through Multiple Aperture Optimization
Pavani, S.R.P. Moraleda, J., Stork, D.G., Berkner, K., Proceedings of Computational Optical Sensing and Imaging (COSI), Toronto, Canada, July 2011. (PDF)

2010

Rethinking the Sampling Topologies for Image Quality Estimation in Computational Imaging System Design (invited paper),
Berkner, K., Proceedings of 44th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 2010. (PDF)

Visual search applications for connecting published works to digital material
Jamey Graham, Jorge Moraleda, Jonathan Hull, Timothee Bailloeul, Xu Liu and Andrea Mariotti, ACM Multimedia, 2010, Florence, Italy, October 25-29, 2010. (PDF)

Toward Massive Scalability in Image Matching
Jorge Moraleda and Jonathan J. Hull, IAPR Int. Conference on Pattern Recognition (ICPR), Istanbul, Turkey, Aug. 23-26, 2010. (Winner of the Best Industrial Related Paper Award) (PDF)

Mobile Visual Search, Linking Paper Documents to Digital Media
Xu Liu, Jonathan J. Hull, Jamey Graham, Jorge Moraleda, and Timothee Bailloeul, Demonstration description, IEEE Conf. on Computer Vision and Pattern Recognition, San Francisco, CA June 13-18, 2010. (PDF)

Dictionary-based Optical Filter Selection for Multi-Application Spectral Signature Classification
Ke, J., Berkner, K., Robinson, M.D., Stork, D., Digital Image Processing and Analysis topical meeting of OSA (DIPA), Tucson, AZ, June 2010. (PDF)

Fast Interpolation-Based Quality Evaluation for Digital-Optical System Optimization
Robinson, M.D, Berkner, K., Proceedings of International Optical Design Conference (IODC), Wyoming, USA, June 2010. (PDF)

Mobile Image Recognition: Architectures and Tradeoffs
Jonathan J. Hull, Xu Liu, Berna Erol, Jamey Graham, and Jorge Moraleda, ACM Hotmobile 2010, Annapolis, MD, Feb. 22-23, 2010. (PDF)

Low-cost space-varying FIR filter architecture for computational imaging systems
Guotong Feng, Mohammed Shoaib, Edward L. Schwartz, M. Dirk Robinson, Proc. of SPIE, Digital Photography VI, Vol. 7537, January 2010. (PDF)

WikiPrints - Rendering Enterprise Wiki Content for Printing
Berkner, K., Proceedings of SPIE Imaging and Printing in the Web 2.0 World, vol. 7040A, San Jose, CA, 2010. (PDF)

2009

New image processing challenges for jointly designed electro-optical imaging systems
Robinson, D., Stork, D.G., C.A., Proceedings of the IEEE International Conference on Image Processing, November 2009. (PDF)

Low-complexity digital filter bank for strongly aberrated optical systems having variable F-numbers
Guotong Feng, M. Dirk Robinson, Kathrin Berkner, Proc. of the IEEE International Conference on Image Processing, November 2009. (PDF)

Low-complexity digital filter geometry for spherical coded imaging systems
Guotong Feng, Mohammed Shoaib, M. Dirk Robinson, Proc. of SPIE, Novel Optical Systems Design and Optimization XII, Vol. 7429, August 2009. (PDF)

Leveraging digital processing to minimize optical system costs
Dirk Robinson and David Stork, SPIE Newsroom, 7 July 2009.

Mobile Web Browsing Initiated by Visual Search
Berna Erol, Jamey Graham, Jonathan J. Hull, Daniel G. Van Olst, IEEE ICME, 2009. (PDF)

Mobile Media Search
Berna Erol, Jordan Cohen, Minoru Etoh, Hsiao-Wuen Hon, Jiebo Luo, Johan Schalwyk, IEEE ICASSP, 2009. (PDF)

MPEG-4 Visual and H.264/AVC: Standards for Modern Digital Video, a chapter in the Essential Guide to Video Processing
B. Erol, F. Kossentini, Anthony Joch, Gary Sullivan, and Lowell Winger, Academic Press, 2009.

Non-rectangular Sampling Technologies for Fast Joint Digital-Optical System Optimization
Berkner, K., Robinson, M.D., Proceedings of Computational Optical Sensing and Imaging (COSI), San Jose, CA, 2009. (PDF)

Extending Depth-of-Field: Spherical Coding Versus Asymmetric Wavefront Coding
D. Robinson and D. G. Stork, Computational Optical Sensing and Imaging, OSA Technical Digest (CD) (Optical Society of America), paper CThB3, 2009. (PDF)

Experimental Validation of Extended Depth-of-Field Imaging via Spherical Coding
M. D. Robinson and V. Bhakta, Computational Optical Sensing and Imaging, OSA Technical Digest (CD) (Optical Society of America), paper CThB4, 2009. (PDF)

Spherical coded imagers: improving lens speed, depth-of-field, and manufacturing yield through enhanced spherical aberration and compensating image processing
M. Dirk , Guotong Feng, and David G. Stork, Proc. SPIE, Vol. 7429, 74290M; doi:10.1117/12.826609, 2009. (PDF)

2008

Hotpaper: Multimedia Interaction with Paper using Mobile Phones
Berna Erol, Emilio Antunez, and Jonathan J. Hull, ACM Multimedia Conference, Vancouver, B.C., Canada, pp. 85-89, Oct. 27 - Nov. 1, 2008. (PDF)

Joint digital-optical design of imaging systems for grayscale objects
M. Dirk Robinson and David G. Stork, Proceedings of the 2008 SPIE European Optical Design Conference, Sept. 2008. (PDF)

Multimedia Clip Generation from Documents for Browsing on Mobile Devices
Berna Erol, Kathrin Berkner, and Siddharth Joshi, IEEE Transactions on Multimedia, Vol. 10, Issue 5, pp.711-723, Aug. 2008. (PDF)

iCandy: A Tangible User Interface for iTunes
Jamey Graham and Jonathan Hull, CHI 08 in the Interactivity section, Florence, Italy, April 7, 2008. (PDF)

Theoretical foundations for joint digital-optical analysis of electro-optical imaging systems
Stork, D, Robinson, D., Applied Optics, Vol. 47, No. 10, April 2008. (PDF)

Adaptation of document images to display constraints (Invited Paper)
Berkner, K. Erol, B., Proceedings of SPIE 2008, vol. 6806, 68061C, 2008. (PDF)

2007

Paper-Based Augmented Reality
Jonathan J. Hull, Berna Erol, Jamey Graham, Qifa Ke, Hidenobu Kishi, Jorge Moraleda, Daniel G. Van Olst, 17th Int. Conf. on Artificial Reality and Telexistence, Esbjerg, Denmark, pp. 205-209 Nov. 28-30, 2007. (PDF)

Ground-Truthed Video Generation from Symbolic Information
Andrew Lookingbill, Emilio R. Antunez, Berna Erol, Jonathan J. Hull, Qifa Ke, and Jorge Moraleda, IEEE Int. Conf. on Multimedia and Expo (ICME), Beijing, China, pp. 1411-1414, July 3-5, 2007. (PDF)

A Modern Day Video Flip-Book: Creating a Printable Representation from Time-Based Media
B. Erol, Jamey Graham, Jonathan J. Hull, and Peter E. Hart, ACM Multimedia Conference, 2007. (PDF)

2006

Multimedia Thumbnails for Documents
B. Erol, K. Berkner, and S. Joshi, ACM Multimedia Conference, 2006. (PDF)

Multimedia Thumbnails for Documents: Implementation and Demonstration
B. Erol, K. Berkner, and S. Joshi, ACM Multimedia Conference, 2006. (PDF)

Computing a Multimedia Representation for Documents Given Time and Display Constraints
B. Erol, K. Berkner, S. Joshi, and J. J. Hull, IEEE International Conference on Multimedia and Expo, 2006. Best Paper Award

Semantic Classification of Business Images
B. Erol and J. J. Hull, SPIE Electronic Imaging Conference, 2006. (PDF)

Optimal Display Adaptation of Iconic Document Visualizations via BFOS-type Tree Pruning
Berkner, K., Gormish, M., Proceedings of ICIP 2006, pp. 2133-2136, Atlanta, GA, 2006. (PDF)

How small should a document thumbnail be?
Berkner, K., Proceedings of SPIE, vol. 6076, San Jose, 2006. (PDF)

2005

Office Blogger
B. Erol and J. J. Hull, ACM Multimedia Conference, 2005. (PDF)

Meeting Video Retrieval using Dynamic HMM Model Similarity
D.S. Lee, J. J. Hull, B. Erol, IEEE ICME Conference, 2005. (PDF)

An Overview of Technologies for E-meeting and E-lecture
Berna Erol, Ying Li, accepted for publication in the Proceedings of IEEE International Conference on Multimedia and Expo, 2005. (PDF)

Smart Handouts: Personalized E-Presentation Documents
Berna Erol, Jonathan J. Hull, and Dar-Shyang Lee, Proceedings of IEEE International Conference on Multimedia and Expo, 2005.

MPEG-4, H.264/AVC and MPEG-7: New Standards for the Digital Video Industry, a chapter in the Handbook of Image and Video Processing Second Edition
B. Erol, A. Dumitras, F. Kossentini, Anthony Joch, and Gary Sullivan, Academic Press, 2005.

2004

Prescient Paper: Multimedia Document Creation with Document Image Matching
Berna Erol, Jonathan J. Hull, Jamey Graham, and Dar-Shyang Lee, Proceedings of IEEE International Conference on Pattern Recognition, 2004. (PDF)

MinuteAid: Multimedia Note-Taking in an Intelligent Meeting Room
Dar-Shyang Lee, Jonathan J. Hull, Berna Erol, and Jamey Graham, Proceedings of IEEE International Conference on Multimedia and Expo, 2004. (PDF)

Retrieval of Presentations using Digital Camera Images
Berna Erol, Dar-Shyang Lee, and Jonathan J. Hull, Proceedings of IEEE International Conference on Computer Vision and Pattern Recognition, 2004. (PDF)

SmartNails - Image and Display Dependent Thumbnails
Berkner, K., Schwartz, E.L, Marle, C., Proceedings of SPIE, vol. 5296, pp. 53-65, San Jose, 2004. (PDF)

2003

Resolution-sensitive document image analysis for document repurposing
Berkner, K., Schwartz, E.L., Proceedings of 37th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2003. (PDF)

Linking Multimedia Presentations with their Symbolic Source Documents: Algorithm and Applications
Berna Erol, Jonathan J. Hull, and Dar-Shyang Lee, Proceedings of ACM International Multimedia Conference, 2003. (PDF)

The VideoPaper Multimedia Playback System
Jamey Graham, Berna Erol, Jonathan J. Hull and Dar-Shyang Lee, Proceedings of ACM International Multimedia Conference, 2003. (PDF)

Linking Presentation Documents Using Image Analysis
Berna Erol, and Jonathan J. Hull, Proceedings of Asilomar Conference, 2003. (PDF)

Multimodal Summarization of Meeting Recordings
Berna Erol, Dar-Shyang Lee, Jonathan J. Hull, Proceedings of IEEE International Conference on Multimedia and Expo, 2003. (PDF)

Visualizing Multimedia Content on Paper Documents: Key Frame Selection for Video Paper
Jonathan J. Hull, Berna Erol, Jamey Graham, Dar-Shyang Lee, 7th International Conference on Document Analysis and Recognition, 2003. (PDF)

A Bayesian Framework for Gaussian Mixture Background Modeling
Dar-Shyang Lee, Jonathan Hull, and Berna Erol, Proceedings of IEEE International Conference on Image Processing, 2003. (PDF)

2002

A Paper-Based Interface for Video Browsing and Retrieval
J. Graham and J. J. Hull, IEEE Int. Conf. on Consumer Electronics, Los Angeles, June 16-18, 2002. (PDF)

A Robust Distance Measure for the Retrieval of Video Objects
B. Erol and F. Kossentini, Proceedings of Southwest Symposium on Image Analysis and Interpretation, April 2002. (PDF)

Segmenting People in Panoramic Meeting Videos Using Mixture Background and Object Models
Dar-Shyang Lee, Berna Erol, and Jonathan Hull, Proceedings of IEEE Pacific-Rim Conference on Multimedia, 2002. (PDF)

Portable Meeting Recorder
Dar-Shyang Lee, Berna Erol, Jamey Graham, Jonathan J. Hull and Norihiko Murata, Proceedings of ACM International Multimedia Conference, 2002. (PDF)

Enhancement of scanned documents in Besov spaces with applications to image enhancement using wavelet domain representations
Berkner, K., Proceedings of SPIE, vol. 4670, pp. 143-154, San Jose, 2002. (PDF)

Removal of Tile Artifacts Using Projection Onto Scaling Functions for JPEG 2000
Berkner, K., Schwartz, E.L., Proceedings of ICIP2002, vol. 1, pp. 375-378, Rochester, NY, 2002. (PDF)

Adaptive Representation of JPEG 2000 Images using Header-based Processing
Neelamani, R., Berkner, K., Proceedings of ICIP2002, vol. 1, pp. 381-384, Rochester, NY, 2002. (PDF)

2001

Multiscale sharpening and smoothing in Besov spaces with applications to image enhancement
Berkner, K.,Schwartz, E.L., Gormish, M., Applied and Computational Harmonic Analysis, special issue on wavelet applications, vol. 11, no. 1, pp. 2-31, July 2001.

2000

A new Wavelet-based Approach to Sharpening and Smoothing of Images in Besov Spaces with Applications to Deblurring
Berkner, K.,Schwartz, E.L., Gormish, M., Boliek, M., Proceedings of ICIP'2000, Vancouver, vol. III, pp. 797-800, 2000.

1999

The Reader's Helper: A Personalized Document Reading Environment
Jamey Graham, ACM CHI 1999, Pittsburg, PA, May 1999. (PDF)

Optimal tile boundary artifact removal with CREW
Schwartz, E.L., Berkner, K., Picture Coding Symposium, Portland, OR, April, 1999. (PDF)

1995

CREW: Compression with Reversible Embedded Wavelets
Invention of the wavelet-based image compression technology that led directly to the ISO JPEG-2000 standard.
A. Zandi, J. Allen, E. Schwartz, M. Boliek, Data Compression Conference, Snowbird, Utah, March 1995. (PDF)

TECHNICAL REPORTS

MuVIE: A Multimedia Visualization and Integration Environment
Jamey Graham, Ricoh California Research Center Technical Report, CRC-TR-0451, February 14, 2005. (PDF)

Multimedia Thumbnails: A New Way to Browse Documents on Small Display Devices
B. Erol, K. Berkner, Ricoh Technical Report, vol. 31, pp. 89-94, 2005.

Filtering Method for MFP in the Wavelet Domain
E. Morimoto, H. Shibaki, T. Suino, H. Okubo, K. Berkner, Ricoh Technical Report, vol. 28, pp. 130-135, 2002.

INVITED TALKS
Ivana Tosic at iTwist International Traveling Workshop on Interactions between Sparse models and Technology, Namur, France, August 2014, "Sparse coding in plenoptic imaging"

Ivana Tosic at COST Training school on rich 3D content, Budapest, Hungary, July 2014, "Scene recovery from plenoptic data"

Kathrin Berkner, Keynote at Rice University ECE Industrial Affiliates Day, April 2014, "Sense and Sensitivity"

Sapna A. Shroff at OSA Applied Imaging and Applied Optics 2013, Plenoptic System Response and Image Formation.

Kathrin Berkner at OSA Applied Imaging and Applied Optics 2013, Understanding the Design-space of a Plenoptic Camera through an end-to-end system Model.

David Stork at SPIE Electronic Imaging Symposium, short course on Joint Design of Optics and Image Processing for Imaging Systems, January 2011.

Kathrin Berkner at Asilomar Conference on Signals, Systems and Computers 2010, Rethinking the Sampling Topologies for Image Quality Estimation in Computational Imaging System Design, Pacific Grove, CA November 2010. (PDF)

Kathrin Berkner at Image Sensors 2009, Joint digital-optical imaging system design: The new frontier, San Diego, CA, October 14, 2009.

Adaptation of document images to display constraints (Invited Paper)
Berkner, K. Erol, B., Proceedings of SPIE 2008, vol. 6806, 68061C, 2008. (PDF)