Sketch retrieval via local dense stroke features

Chao Ma, Xiaokang Yang, Chongyang Zhang, Xiang Ruan, Ming Hsuan Yang

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Sketch retrieval aims at retrieving the most similar sketches from a large database based on one hand-drawn query. Successful retrieval hinges on an effective representation of sketch images and an efficient search method. In this paper, we propose a representation scheme which takes sketch strokes into account with local features, thereby facilitating efficient retrieval with codebooks. Stroke features are detected via densely sampled points on stroke lines with crucial corners as anchor points, from which local gradients are enhanced and described by a quantized histogram of gradients. A codebook is organized in a hierarchical vocabulary tree, which maintains structural information of visual words and enables efficient retrieval in sub-linear time. Experimental results on three data sets demonstrate the merits of the proposed algorithm for effective and efficient sketch retrieval.

Original languageEnglish
Pages (from-to)64-73
Number of pages10
JournalImage and Vision Computing
Publication statusPublished - 2016 Feb

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V. All rights reserved.

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Computer Vision and Pattern Recognition


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