Better subset regression using the nonnegative garrote
Technometrics
Comparison and Combination of Ear and Face Images in Appearance-Based Biometrics
IEEE Transactions on Pattern Analysis and Machine Intelligence
The Relation between the ROC Curve and the CMC
AUTOID '05 Proceedings of the Fourth IEEE Workshop on Automatic Identification Advanced Technologies
Ear Recognition Based on Statistical Shape Model
ICICIC '06 Proceedings of the First International Conference on Innovative Computing, Information and Control - Volume 3
Ear Recognition by means of a Rotation Invariant Descriptor
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 04
Symmetrical null space LDA for face and ear recognition
Neurocomputing
IEEE Transactions on Pattern Analysis and Machine Intelligence
Biometric Recognition Using 3D Ear Shape
IEEE Transactions on Pattern Analysis and Machine Intelligence
A multi-matcher for ear authentication
Pattern Recognition Letters
Unified 3D face and ear recognition using wavelets on geometry images
Pattern Recognition
Palmprint verification based on robust line orientation code
Pattern Recognition
Robust Face Recognition via Sparse Representation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Fusion of color spaces for ear authentication
Pattern Recognition
Force field feature extraction for ear biometrics
Computer Vision and Image Understanding
A Fast Iterative Shrinkage-Thresholding Algorithm for Linear Inverse Problems
SIAM Journal on Imaging Sciences
A Fast Iterative Shrinkage-Thresholding Algorithm for Linear Inverse Problems
SIAM Journal on Imaging Sciences
A feature extraction method for use with bimodal biometrics
Pattern Recognition
Human identification using Knucklecodes
BTAS'09 Proceedings of the 3rd IEEE international conference on Biometrics: Theory, applications and systems
Toward unconstrained ear recognition from two-dimensional images
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans - Special issue on recent advances in biometrics
Projective nonnegative graph embedding
IEEE Transactions on Image Processing
On guided model-based analysis for ear biometrics
Computer Vision and Image Understanding
Automated human identification using ear imaging
Pattern Recognition
Human ear recognition from face profile images
ICB'06 Proceedings of the 2006 international conference on Advances in Biometrics
Shape and structural feature based ear recognition
SINOBIOMETRICS'04 Proceedings of the 5th Chinese conference on Advances in Biometric Person Authentication
Sparse signal reconstruction from limited data using FOCUSS: are-weighted minimum norm algorithm
IEEE Transactions on Signal Processing
Differentiation of discrete multidimensional signals
IEEE Transactions on Image Processing
IEEE Transactions on Image Processing
Human Identification Using Palm-Vein Images
IEEE Transactions on Information Forensics and Security
The effect of time on ear biometrics
IJCB '11 Proceedings of the 2011 International Joint Conference on Biometrics
Reliable ear identification using 2-D quadrature filters
Pattern Recognition Letters
Robust ear based authentication using Local Principal Independent Components
Expert Systems with Applications: An International Journal
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Automated personal identification using localized ear images has wide range of civilian and law-enforcement applications. This paper investigates a new approach for more accurate ear recognition and verification problem using the sparse representation of local gray-level orientations. We exploit the computational simplicity of localized Radon transform for the robust ear shape representation and also investigate the effectiveness of local curvature encoding using Hessian based feature representation. The ear representation problem is modeled as the sparse coding solution based on multi-orientation Radon transform dictionary whose solution is computed using the convex optimization approach. We also study the nonnegative formulation such problem, to address the limitations from the regularized optimization problem, in the sparse representation of localized ear features. The log-Gabor filter based approach and the localized Radon transform based feature representation has been used as baseline algorithm to ascertain the effectiveness of the proposed approach. We present experimental results from publically available UND and IITD ear databases which achieve significant improvement in the performance, both for the recognition and authentication problem, and confirm the usefulness of proposed approach for more accurate ear identification.