Model-guided deformable hand shape recognition without positioning aids

Wei Xiong, Kar Ann Toh, Wei Yun Yau, Xudong Jiang

Research output: Contribution to journalArticle

47 Citations (Scopus)


This work addresses the problem of deformable hand shape recognition in biometric systems without any positioning aids. We separate and recognize multiple rigid fingers under Euclidean transformations. An elliptical model is introduced to represent fingers and accelerate the search of optimal alignments of fingers. Unlike other methods, the similarity is measured during alignment search based on finger width measurements defined at nodes by controllable intervals to achieve balanceable recognition accuracy and computational cost. Technically, our method bridges the traditional handcrafted-feature methods and the shape-distance methods. We have tested it using our 108-person-540-sample database with significantly increased positive recognition accuracy.

Original languageEnglish
Pages (from-to)1651-1664
Number of pages14
JournalPattern Recognition
Issue number10
Publication statusPublished - 2005 Oct

All Science Journal Classification (ASJC) codes

  • Software
  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Artificial Intelligence

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