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Article

A hemispherical imaging camera

Gao, C., Hua, H. & Ahuja, N., Feb 1 2010, In : Computer Vision and Image Understanding. 114, 2, p. 168-178 11 p.

Research output: Contribution to journalArticle

Cameras
Imaging techniques
Sensors
Mirrors
Prisms

Aperture access and manipulation for computational imaging

Shu, X., Gao, C. & Ahuja, N., Feb 1 2012, In : Computer Vision and Image Understanding. 116, 2, p. 222-237 16 p.

Research output: Contribution to journalArticle

Imaging techniques
Lenses
Imaging systems
Sampling

A uniform framework for estimating illumination chromaticity, correspondence, and specular reflection

Yang, Q., Wang, S., Ahuja, N. & Yang, R., Jan 1 2011, In : IEEE Transactions on Image Processing. 20, 1, p. 53-63 11 p., 5497278.

Research output: Contribution to journalArticle

Lighting

Automated visual inspection of railroad tracks

Resendiz, E., Hart, J. M. & Ahuja, N., Jan 30 2013, In : IEEE Transactions on Intelligent Transportation Systems. 14, 2, p. 751-760 10 p., 6419832.

Research output: Contribution to journalArticle

Railroad tracks
Inspection
Computer vision
Signal processing
Defects

Automatic segmentation of granular objects in images: Combining local density clustering and gradient-barrier watershed

Yang, H. & Ahuja, N., Jun 1 2014, In : Pattern Recognition. 47, 6, p. 2266-2279 14 p.

Research output: Contribution to journalArticle

Watersheds
Object recognition
Nanoparticles
Edge detection
Image processing

Clustering as physically inspired energy minimization

Yang, H. & Ahuja, N., Feb 2019, In : Pattern Recognition. 86, p. 265-280 16 p.

Research output: Contribution to journalArticle

Clustering algorithms
Mean field theory
Integer programming
Experiments
Bandwidth

Clustering Through Hybrid Network Architecture With Support Vectors

Ergul, E., Arica, N., Ahuja, N. & Erturk, S., Jun 2017, In : IEEE Transactions on Neural Networks and Learning Systems. 28, 6, p. 1373-1385 13 p., 7442845.

Research output: Contribution to journalArticle

Network architecture
Support vector machines
Tuning
Neural networks
Self organizing maps

Constant Time Median and Bilateral Filtering

Yang, Q., Ahuja, N. & Tan, K. H., May 1 2015, In : International Journal of Computer Vision. 112, 3, p. 307-318 12 p.

Research output: Contribution to journalArticle

Median filters
Program processors
Computational complexity
Agglomeration
Costs
Conjugate gradient method
Convex optimization
Computational efficiency
Iterative methods
Computer programming

Efficient and robust specular highlight removal

Yang, Q., Tang, J. & Ahuja, N., Jun 1 2015, In : IEEE transactions on pattern analysis and machine intelligence. 37, 6, p. 1304-1311 8 p., 6915741.

Research output: Contribution to journalArticle

Pixel
Bilateral Filter
Color
Low-pass Filter
Image Denoising

Evaluation of aggregate size and shape by means of segmentation techniques and aggregate image processing algorithms

Moaveni, M., Wang, S., Hart, J., Tutumluer, E. & Ahuja, N., Jan 12 2013, In : Transportation Research Record. 2335, p. 50-59 10 p.

Research output: Contribution to journalArticle

Image processing
Railroad tracks
Particle size
Camera lenses
Imaging techniques

Fast and Accurate Image Super-Resolution with Deep Laplacian Pyramid Networks

Lai, W. S., Huang, J. B., Ahuja, N. & Yang, M. H., Nov 1 2019, In : IEEE transactions on pattern analysis and machine intelligence. 41, 11, p. 2599-2613 15 p., 8434354.

Research output: Contribution to journalArticle

Super-resolution
Pyramid
Image resolution
Image reconstruction
Image quality

Fusion of median and bilateral filtering for range image upsampling

Yang, Q., Ahuja, N., Yang, R., Tan, K. H., Davis, J., Culbertson, B., Apostolopoulos, J. & Wang, G., Oct 14 2013, In : IEEE Transactions on Image Processing. 22, 12, p. 4841-4852 12 p., 6582517.

Research output: Contribution to journalArticle

Fusion reactions
Sensors
Agglomeration
Cameras
Color

Joint Estimation of Human Pose and Conversational Groups from Social Scenes

Varadarajan, J., Subramanian, R., Bulò, S. R., Ahuja, N., Lanz, O. & Ricci, E., Apr 1 2018, In : International Journal of Computer Vision. 126, 2-4, p. 410-429 20 p.

Research output: Contribution to journalArticle

Supervised learning
Learning algorithms
Cameras
Experiments

Joint image filtering with deep convolutional networks

Li, Y., Huang, J. B., Ahuja, N. & Yang, M. H., Aug 1 2019, In : IEEE transactions on pattern analysis and machine intelligence. 41, 8, p. 1909-1923 15 p., 8598855.

Research output: Contribution to journalArticle

Image Filtering
Neural networks
Guidance
Filter
Target

Learning ramp transformation for single image super-resolution

Singh, A. & Ahuja, N., Jun 1 2015, In : Computer Vision and Image Understanding. 135, p. 109-125 17 p.

Research output: Contribution to journalArticle

Luminance
Pixels
Color
Recovery

Low-level hierarchical multiscale segmentation statistics of natural images

Akbas, E. & Ahuja, N., Sep 2014, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 36, 9, p. 1900-1906 7 p., 6710173.

Research output: Contribution to journalArticle

Segmentation
Statistics
Image segmentation
Image Segmentation
Graph in graph theory

Machine vision condition monitoring of heavy-axle load railcar structural underframe components

Schlake, B. W., Todorovic, S., Edwards, J. R., Hart, J. M., Ahuja, N. & Barkan, C. P. L., Sep 1 2010, In : Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. 224, 5, p. 499-511 13 p.

Research output: Contribution to journalArticle

Structural loads
Axles
Condition monitoring
Computer vision
Inspection

Modeling dynamic swarms

Ghanem, B. & Ahuja, N., Jan 1 2013, In : Computer Vision and Image Understanding. 117, 1, p. 1-11 11 p.

Research output: Contribution to journalArticle

Birds
Linear transformations
Image segmentation
Animals
Robots

Occlusion detection via structured sparse learning for robust object tracking

Zhang, T., Ghanem, B., Xu, C. & Ahuja, N., Jan 1 2014, In : Advances in Computer Vision and Pattern Recognition. 71, p. 93-112 20 p.

Research output: Contribution to journalArticle

Pixels
Lighting
Sports

Recognizing team formation in american football

Atmosukarto, I., Ghanem, B., Saadalla, M. & Ahuja, N., Jan 1 2014, In : Advances in Computer Vision and Pattern Recognition. 71, p. 271-291 21 p.

Research output: Contribution to journalArticle

Statistics
Sports
Software packages

Robust Visual Tracking Via Consistent Low-Rank Sparse Learning

Zhang, T., Liu, S., Ahuja, N., Yang, M. H. & Ghanem, B., Jan 1 2014, In : International Journal of Computer Vision. 111, 2, p. 171-190 20 p.

Research output: Contribution to journalArticle

Glossaries

Robust visual tracking via exclusive context modeling

Zhang, T., Ghanem, B., Liu, S., Xu, C. & Ahuja, N., Jan 2016, In : IEEE Transactions on Cybernetics. 46, 1, p. 51-63 13 p., 7036101.

Research output: Contribution to journalArticle

Glossaries
Gradient methods
Lighting

Robust visual tracking via structured multi-task sparse learning

Zhang, T., Ghanem, B., Liu, S. & Ahuja, N., Jan 1 2013, In : International Journal of Computer Vision. 101, 2, p. 367-383 17 p.

Research output: Contribution to journalArticle

Gradient methods
Glossaries
Mach number
Computational complexity
Lighting

Shadow removal using bilateral filtering

Yang, Q., Tan, K. H. & Ahuja, N., Sep 28 2012, In : IEEE Transactions on Image Processing. 21, 10, p. 4361-4368 8 p., 6241432.

Research output: Contribution to journalArticle

Luminance
Three-Dimensional Imaging
Lighting
Color
Cameras

Stereo matching using epipolar distance transform

Yang, Q. & Ahuja, N., Sep 28 2012, In : IEEE Transactions on Image Processing. 21, 10, p. 4410-4419 10 p., 6236163.

Research output: Contribution to journalArticle

Textures
Affine transforms
Laptop computers
Computational complexity
Pixels

Superpixel hierarchy

Wei, X., Yang, Q., Gong, Y., Ahuja, N. & Yang, M. H., Oct 2018, In : IEEE Transactions on Image Processing. 27, 10, p. 4838-4849 12 p.

Research output: Contribution to journalArticle

Computer vision
Detectors

Surface reflectance and normal estimation from photometric stereo

Yang, Q. & Ahuja, N., Jul 1 2012, In : Computer Vision and Image Understanding. 116, 7, p. 793-802 10 p.

Research output: Contribution to journalArticle

Color
Linear systems
Pixels
Experiments

Temporally coherent completion of dynamic video

Huang, J. B., Kang, S. B., Ahuja, N. & Kopf, J., Nov 2016, In : ACM Transactions on Graphics. 35, 6, 196.

Research output: Contribution to journalArticle

Color
Optical flows
Flow fields
Pixels
Cameras

Tracking Persons-of-Interest via Unsupervised Representation Adaptation

Zhang, S., Huang, J. B., Lim, J., Gong, Y., Wang, J., Ahuja, N. & Yang, M. H., Jan 1 2019, (Accepted/In press) In : International Journal of Computer Vision.

Research output: Contribution to journalArticle

Neural networks
Target tracking
Clustering algorithms
Lighting
Semantics
Chapter

Robust Orthonormal Subspace Learning (ROSL) for efficient low-rank recovery

Shu, X., Porikli, F. & Ahuja, N., Jul 6 2016, Handbook of Robust Low-Rank and Sparse Matrix Decomposition: Applications in Image and Video Processing. CRC Press, p. 12.1-12.14

Research output: Chapter in Book/Report/Conference proceedingChapter

Orthonormal
Recovery
Subspace
Learning
Conference article

Image completion using planar structure guidance

Huang, J. B., Kang, S. B., Ahuja, N. & Kopf, J., Jan 1 2014, In : ACM Transactions on Graphics. 33, 4, 129.

Research output: Contribution to journalConference article

Conference contribution

A Comparative Study for Single Image Blind Deblurring

Lai, W. S., Huang, J. B., Hu, Z., Ahuja, N. & Yang, M. H., Dec 9 2016, Proceedings - 29th IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2016. IEEE Computer Society, p. 1701-1709 9 p. 7780557. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition; vol. 2016-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image quality
Gages
Cameras

A constant-space belief propagation algorithm for stereo matching

Yang, Q., Wang, L. & Ahuja, N., Aug 31 2010, 2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, CVPR 2010. p. 1458-1465 8 p. 5539797. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Data storage equipment
Image resolution
Program processors
Pixels
Graphics processing unit

Action recognition using discriminative structured trajectory groups

Atmosukarto, I., Ahuja, N. & Ghanem, B., Feb 19 2015, Proceedings - 2015 IEEE Winter Conference on Applications of Computer Vision, WACV 2015. Institute of Electrical and Electronics Engineers Inc., p. 899-906 8 p. 7045978. (Proceedings - 2015 IEEE Winter Conference on Applications of Computer Vision, WACV 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Trajectories
Support vector machines

Active online anomaly detection using dirichlet process mixture model and Gaussian process classification

Varadarajan, J., Subramanian, R., Ahuja, N., Moulin, P. & Odobez, J. M., May 11 2017, Proceedings - 2017 IEEE Winter Conference on Applications of Computer Vision, WACV 2017. Institute of Electrical and Electronics Engineers Inc., p. 615-623 9 p. 7926657. (Proceedings - 2017 IEEE Winter Conference on Applications of Computer Vision, WACV 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Labeling
Unsupervised learning
Video streaming
Labels
Problem-Based Learning

A generative focus measure with application to omnifocus imaging

Kumar, A. & Ahuja, N., Aug 8 2013, 2013 IEEE International Conference on Computational Photography, ICCP 2013. 6528295. (2013 IEEE International Conference on Computational Photography, ICCP 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Imaging techniques
Pixels
Convolution
Composite materials

An edge-preserving filtering framework for visibility restoration

Bao, L., Song, Y., Yang, Q. & Ahuja, N., Dec 1 2012, ICPR 2012 - 21st International Conference on Pattern Recognition. p. 384-387 4 p. 6460152. (Proceedings - International Conference on Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visibility
Restoration
Low pass filters
Textures
Median filters

Automatic recognition of offensive team formation in american football plays

Atmosukarto, I., Ghanem, B., AhujA, S., Muthuswamy, K. & Ahuja, N., Oct 8 2013, Proceedings - 2013 IEEE Conference on Computer Vision and Pattern Recognition Workshops, CVPRW 2013. p. 991-998 8 p. 6595990. (IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sports
Statistics
Military applications
Software packages

Coreset-based neural network compression

Dubey, A., Chatterjee, M. & Ahuja, N., Jan 1 2018, Computer Vision – ECCV 2018 - 15th European Conference, 2018, Proceedings. Ferrari, V., Sminchisescu, C., Hebert, M. & Weiss, Y. (eds.). Springer-Verlag, p. 469-486 18 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11211 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Compression
Neural Networks
Neural networks
Huffman Coding
Network Architecture

Deep joint image filtering

Li, Y., Huang, J. B., Ahuja, N. & Yang, M. H., Jan 1 2016, Computer Vision - 14th European Conference, ECCV 2016, Proceedings. Sebe, N., Leibe, B., Welling, M. & Matas, J. (eds.). Springer-Verlag, p. 154-169 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9908 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image Filtering
Neural networks
Guidance
Filter
Target

Deep laplacian pyramid networks for fast and accurate super-resolution

Lai, W. S., Huang, J. B., Ahuja, N. & Yang, M. H., Nov 6 2017, Proceedings - 30th IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2017. Institute of Electrical and Electronics Engineers Inc., p. 5835-5843 9 p. (Proceedings - 30th IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image resolution
Convolution
Computational complexity
Interpolation
Neural networks

DeepMVS: Learning Multi-view Stereopsis

Huang, P. H., Matzen, K., Kopf, J., Ahuja, N. & Huang, J. B., Dec 14 2018, Proceedings - 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition, CVPR 2018. IEEE Computer Society, p. 2821-2830 10 p. 8578396. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Neural networks
Chemical activation

Detecting Migrating Birds at Night

Huang, J. B., Caruana, R., Farnsworth, A., Kelling, S. & Ahuja, N., Dec 9 2016, Proceedings - 29th IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2016. IEEE Computer Society, p. 2091-2099 9 p. 7780599. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition; vol. 2016-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Birds
Trajectories
Meteorological radar
Biodiversity
Moon

Exploiting nonlocal spatiotemporal structure for video segmentation

Cheng, H. T. & Ahuja, N., Oct 1 2012, 2012 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2012. p. 741-748 8 p. 6247744. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Labels
Labeling
Redundancy
Random variables
Textures

Exploiting ramp structures for improving optical flow estimation

Singh, A. & Ahuja, N., Dec 1 2012, ICPR 2012 - 21st International Conference on Pattern Recognition. p. 2504-2507 4 p. 6460676. (Proceedings - International Conference on Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical flows
Luminance
Pixels

From ramp discontinuities to segmentation tree

Akbas, E. & Ahuja, N., Dec 29 2010, Computer Vision, ACCV 2009 - 9th Asian Conference on Computer Vision, Revised Selected Papers. PART 1 ed. p. 123-134 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5994 LNCS, no. PART 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Discontinuity
Segmentation
Seed
Labeling
Data structures

From region based image representation to object discovery and recognition

Ahuja, N. & Todorovic, S., Oct 29 2010, Structural, Syntactic, and Statistical Pattern Recognition - Joint IAPR International Workshop, SSPR and SPR 2010, Proceedings. p. 1-19 19 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6218 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image Representation
Object recognition
Structural properties
Graph in graph theory
Subgraph

Generalized pupil-centric imaging and analytical calibration for a non-frontal camera

Kumar, A. & Ahuja, N., Sep 24 2014, Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition. IEEE Computer Society, p. 3970-3977 8 p. 6909902. (Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cameras
Calibration
Imaging techniques
Sensors
Parameterization

Generalized radial alignment constraint for camera calibration

Kumar, A. & Ahuja, N., Dec 4 2014, Proceedings - International Conference on Pattern Recognition. Institute of Electrical and Electronics Engineers Inc., p. 184-189 6 p. 6976752. (Proceedings - International Conference on Pattern Recognition).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cameras
Calibration
Optics
Sensors