Narendra Ahuja

Search results

• 2013

  A topic model approach to represent and classify american football plays

  Varadarajan, J., Atmosukarto, I., Ahuja, S., Ghanem, B. & Ahuja, N., 2013.

  Research output: Contribution to conference › Paper › peer-review

  • Trajectories 40%
  • Large dataset 31%
• 2007

  Extracting texels in 2.1D natural textures

  Ahuja, N. & Todorovic, S., 2007.

  Research output: Contribution to conference › Paper › peer-review

  • Image texture 80%
  • Image segmentation 57%
  • Probability distributions 57%
  • Experiments 21%

• Learning the taxonomy and models of categories present in arbitrary images

  Ahuja, N. & Todorovic, S., 2007.

  Research output: Contribution to conference › Paper › peer-review

  • Taxonomies 100%
  • Animals 45%
  • Experiments 16%

• Phase based modelling of dynamic textures

  Ghanem, B. & Ahuja, N., 2007.

  Research output: Contribution to conference › Paper › peer-review

  • Textures 100%
  • Dynamical systems 43%
  • Pixels 26%
  • Experiments 6%
• 2006

  Dynamic textures synthesis as nonlinear manifold learning and traversing

  Liu, C. B., Lin, R. S., Ahuja, N. & Yang, M. H., 2006, p. 859-868. 10 p.

  Research output: Contribution to conference › Paper › peer-review

  • Textures 100%
  • Motion capture 17%
• 2004

  Scalable video coding using Wyner-Ziv codes

  Sehgal, A., Jagmohan, A. & Ahuja, N., 2004, p. 441-446. 6 p.

  Research output: Contribution to conference › Paper › peer-review

  • Scalable video coding 100%
  • Scalability 59%
  • Image compression 37%
  • Factorization 36%
  • Decoding 31%

• Stereo registration using kernel density correlation

  Singh, M., Jagmohan, A. & Ahuja, N., Dec 27 2004, p. 260-265. 6 p.

  Research output: Contribution to conference › Paper › peer-review

  • Computational complexity 100%
• 2003

  A new collaborative infrastructure: SCAPE

  Hua, H., Brown, L. D., Gao, C. & Ahuja, N., Jul 21 2003, p. 171-179. 9 p.

  Research output: Contribution to conference › Paper › peer-review

  • Display devices 100%
  • Application programming interfaces (API) 62%
  • Interfaces (computer) 61%

• A state-free causal video encoding paradigm

  Sehgal, A., Jagmohan, A. & Ahuja, N., Dec 16 2003, p. 605-608. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Communication 100%
  • Information theory 77%

• Easy calibration of a head-mounted projective display for augmented reality systems

  Gao, C., Hua, H. & Ahuja, N., Jul 21 2003, p. 53-60. 8 p.

  Research output: Contribution to conference › Paper › peer-review

  • Augmented reality 100%
  • Calibration 73%
  • Display devices 73%
  • Pixels 12%
  • Cameras 11%

• Regression based bandwidth selection for segmentation using Parzen windows

  Singh, M. & Ahuja, N., 2003, p. 2-9. 8 p.

  Research output: Contribution to conference › Paper › peer-review

  • Bandwidth 100%
  • Pixels 79%
  • Positive ions 66%
  • Probability density function 51%
• 2002

  A testbed for precise registration, natural occlusion and interaction in an augmented environment using a head-mounted projective display (HMPD)

  Hua, H., Gao, C., Rolland, J. P., Brown, L. D. & Ahuja, N., 2002, p. 81-89. 9 p.

  Research output: Contribution to conference › Paper › peer-review

  • Testbeds 100%
  • Display devices 78%
  • Calibration 39%
  • Lenses 26%
  • Visualization 19%

• Face recognition using feature extraction based on independent component analysis

  Kwak, N., Choi, C. H. & Ahuja, N., 2002, p. II/337-II/340.

  Research output: Contribution to conference › Paper › peer-review

  • Independent component analysis 100%
  • Face recognition 86%
  • Feature extraction 69%
  • Unsupervised learning 34%
  • Principal component analysis 28%

• Object contour tracking using graph cuts based active contours

  Xu, N. & Ahuja, N., 2002, p. III/277-III/280.

  Research output: Contribution to conference › Paper › peer-review

  • Object tracking 100%
• 2001

  Face detection using large margin classifiers

  Yang, M. H., Roth, D. & Ahuja, N., 2001, p. 665-668. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Face recognition 100%
  • Classifiers 73%
  • Image processing 27%
  • Experiments 12%

• Frame interpolation using transmitted block-based motion vectors

  Yoon, S. C. & Ahuja, N., 2001, p. 856-859. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Motion estimation 100%
  • Interpolation 80%
  • Pixels 70%
  • Hough transforms 55%

• High capacity data embedding in the wavelet domain

  Sehgal, A., Jagmohan, A. & Ahuja, N., 2001, p. 979-982. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Embeddings (Algorithms) 100%
  • Image compression 41%

• High dynamic range panoramic imaging

  Aggarwal, M. & Ahuja, N., 2001, p. 2-9. 8 p.

  Research output: Contribution to conference › Paper › peer-review

  • Imaging techniques 100%
  • Cameras 92%
  • Masks 74%
  • Sensors 40%
  • Transparency 27%

• On cosine-fourth and vignetting effects in real lenses

  Aggarwal, M., Hua, H. & Ahuja, N., 2001, p. 472-479. 8 p.

  Research output: Contribution to conference › Paper › peer-review

  • Lenses 77%
  • Light sources 20%
  • Image processing 14%
  • Experiments 6%

• Selecting objects with freehand sketches

  Tan, K. H. & Ahuja, N., 2001, p. 337-344. 8 p.

  Research output: Contribution to conference › Paper › peer-review

  • Triangulation 100%

• Split aperture imaging for high dynamic range

  Aggarwal, M. & Ahuja, N., 2001, p. 10-17. 8 p.

  Research output: Contribution to conference › Paper › peer-review

  • Imaging techniques 100%
  • Sensors 66%
  • Cameras 61%
  • Lighting 34%
• 2000

  A scheme for joint watermarking and compression of video

  Dugad, R. & Ahuja, N., 2000, p. 80-83. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Watermarking 100%

• Face recognition using Kernel eigenfaces

  Yang, M. H., Ahuja, N. & Kriegman, D., 2000, p. 37-40. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Face recognition 100%
  • Principal component analysis 98%
  • Explosions 10%
  • Pixels 8%
  • Set theory 7%

• Recovering frontal-pose image from a single profile image

  Ma, J., Ahuja, N., Neti, C. & Senior, A. W., 2000, p. 243-246. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Face recognition 100%
  • Imaging techniques 79%
  • Compensation and Redress 79%
  • Geometry 63%
• 1999

  Data partition method for parallel self-organizing map

  Yang, M. H. & Ahuja, N., 1999, p. 1929-1933. 5 p.

  Research output: Contribution to conference › Paper › peer-review

  • Synchronization 23%

• Face detection using a mixture of factor analyzers

  Yang, M. H., Ahuja, N. & Kriegman, D., 1999, p. 612-616. 5 p.

  Research output: Contribution to conference › Paper › peer-review

  • Face recognition 100%
  • Lighting 55%
  • Dimensionality reduction 37%
• 1998

  Detecting human faces in color images

  Yang, M. H. & Ahuja, N., 1998, p. 127-130. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Color 100%
  • Skin 40%
  • Image segmentation 22%
  • Statistical methods 19%

• Digital image watermarking: issues in resolving rightful ownership

  Ratakonda, K., Dugad, R. & Ahuja, N., 1998, p. 414-418. 5 p.

  Research output: Contribution to conference › Paper › peer-review

  • Image watermarking 100%

• POCS based adaptive image magnification

  Ratakonda, K. & Ahuja, N., 1998, p. 203-207. 5 p.

  Research output: Contribution to conference › Paper › peer-review

  • Interpolation 100%
• 1997

  Coding the displaced frame difference for video compression

  Ratakonda, K., Yoon, S. C. & Ahuja, N., 1997, p. 353-355. 3 p.

  Research output: Contribution to conference › Paper › peer-review

  • Image compression 100%
  • Redundancy 83%
  • Motion compensation 58%

• Region-based video coding using a multiscale image segmentation

  Yoon, S. C., Ratakonda, K. & Ahuja, N., 1997, p. 510-513. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Image coding 100%
  • Image segmentation 95%
  • Motion compensation 59%
  • Motion estimation 53%
  • Fusion reactions 20%
• 1996

  Segmentation based reversible image compression

  Ratakonda, K. & Ahuja, N., 1996, p. 81-84. 4 p.

  Research output: Contribution to conference › Paper › peer-review

  • Image compression 100%
  • Autocorrelation 52%
  • Redundancy 41%
• 1995

  Feature guided pixel matching and segmentation in motion image sequences

  Charan, R. & Ahuja, N., 1995, p. 277-282. 6 p.

  Research output: Contribution to conference › Paper › peer-review

  • Pixels 100%
  • Trajectories 92%
  • Visibility 33%
  • Detectors 25%
  • Set theory 21%

• Structure and motion estimation from dynamic silhouettes under perspective projection

  Joshi, T., Ahuja, N. & Ponce, J., 1995, p. 290-295. 6 p.

  Research output: Contribution to conference › Paper › peer-review

  • Motion estimation 100%
• 1989

  Optimal motion and structure estimation

  Weng, J., Ahuja, N. & Huang, T. S., 1989, p. 144-152. 9 p.

  Research output: Contribution to conference › Paper › peer-review

  • Motion estimation 100%
  • Analog to digital conversion 35%
  • Pixels 23%
  • Experiments 11%
• 1983

  EFFICIENT PLANAR EMBEDDING OF TREES FOR VLSI LAYOUTS.

  Ahuja, N., 1983, p. 28-32. 5 p.

  Research output: Contribution to conference › Paper › peer-review
• 1982

  MULTIPROCESSOR PYRAMIDS FOR BOTTOM-UP IMAGE ANALYSIS.

  Ahuja, N. & Swamy, S., 1982, p. 380-385. 6 p.

  Research output: Contribution to conference › Paper › peer-review

• THREE-DIMENSIONAL ROBOT VISION.

  Ahuja, N., Bridwell, N., Nash, C. & Huang, T. S., 1982, p. 206-213. 8 p.

  Research output: Contribution to conference › Paper › peer-review
• 1981

  APPROACHES TO RECURSIVE IMAGE DECOMPOSITION.

  Ahuja, N., 1981, p. 75-80. 6 p.

  Research output: Contribution to conference › Paper › peer-review