Wavelets for computer graphics: theory and applications
Wavelets for computer graphics: theory and applications
Digital Pictures: Representation, Compression, and Standards
Digital Pictures: Representation, Compression, and Standards
Blobworld: Image Segmentation Using Expectation-Maximization and Its Application to Image Querying
IEEE Transactions on Pattern Analysis and Machine Intelligence
A Wavelet Approach to Extracting Contours of Document Images
ICDAR '99 Proceedings of the Fifth International Conference on Document Analysis and Recognition
Synthetic Fingerprint-Database Generation
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 3 - Volume 3
On the Performance of Wavelets for Handwritten Numerals Recognition
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 3 - Volume 3
An Ocularist's Approach to Human Iris Synthesis
IEEE Computer Graphics and Applications
Essential Mathematics for Games and Interactive Applications: A Programmer's Guide
Essential Mathematics for Games and Interactive Applications: A Programmer's Guide
An Iris Image Synthesis Method Based on PCA and Super-Resolution
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 4 - Volume 04
Biometric Systems: Technology, Design and Performance Evaluation
Biometric Systems: Technology, Design and Performance Evaluation
Iris synthesis: a reverse subdivision application
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
3D Facial Model Synthesis using Voronoi Approach
ISVD '06 Proceedings of the 3rd International Symposium on Voronoi Diagrams in Science and Engineering
Image Pattern Recognition: Synthesis and Analysis in Biometrics (Series in Machine Perception & Artifical Intelligence)
Contextual void patching for digital elevation models
The Visual Computer: International Journal of Computer Graphics
Technical Section: Smooth reverse subdivision
Computers and Graphics
UBIRIS: a noisy iris image database
ICIAP'05 Proceedings of the 13th international conference on Image Analysis and Processing
On Generation and Analysis of Synthetic Iris Images
IEEE Transactions on Information Forensics and Security
IEEE Transactions on Circuits and Systems for Video Technology
Real-time super resolution contextual close-up of clinical volumetric data
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
Two dimensional synthetic face generation and verification using set estimation technique
Computer Vision and Image Understanding
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Databases of human iris images are created and distributed for the purposes of testing iris identification algorithms. For logistical and privacy reasons, these databases are often too small to fulfill their potential applications. In this work we develop a novel multiresolution approach to augment iris image databases. First, using a multiresolution obtained from reverse subdivision we decompose the example iris images into a set of lower resolution components. The components are a complete representation of the original image and consist of a low resolution approximation and a set of characteristics. To generate synthetic iris images we combine a set of components chosen from the original images. To ensure a unique, yet realistic, iris image each component of a synthetic image is chosen from different iris images. We quantitatively validate our approach by employing a classical iris recognition algorithm to compare our synthetic images with those that were used to create them. The results demonstrate that our approach is effective at augmenting iris image databases with iris images that are unique, yet exhibit both visually and statistically realistic characteristics.