Dominant orientation patch matching for HMAX

Yan Feng Lu, Hua Zhen Zhang, Tae Koo Kang, Myo Taeg Lim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The biologically inspired model for object recognition, Hierarchical Model and X (HMAX), has attracted considerable attention in recent years. HMAX is robust (i.e., shift- and scale-invariant), but it is sensitive to rotational deformation, which greatly limits its performance in object recognition. The main reason for this is that HMAX lacks an appropriate directional module against rotational deformation, thereby often leading to mismatch. To address this issue, we propose a novel patch-matching method for HMAX called Dominant Orientation Patch Matching (DOPM), which calculates the dominant orientation of the selected patches and implements patch-to-patch matching. In contrast to patch matching with the whole target image (second layer C1) in the conventional HMAX model, which involves huge amounts of redundant information in the feature representation, the DOPM-based HMAX model (D-HMAX) quantizes the C1 layer to patch sets with better distinctiveness, then realizes patch-to-patch matching based on the dominant orientation. To show the effectiveness of D-HMAX, we apply it to object categorization and conduct experiments on the CalTech101, CalTech05, GRAZ01, and GRAZ02 databases. Our experimental results demonstrate that D-HMAX outperforms conventional HMAX and is comparable to existing architectures that have a similar framework.

Original languageEnglish
JournalNeurocomputing
DOIs
Publication statusAccepted/In press - 2015 Jul 7

Fingerprint

Databases
Object recognition

Keywords

  • Classification
  • Dominant orientation
  • HMAX
  • Matching
  • Object recognition
  • Patch

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Science Applications
  • Cognitive Neuroscience

Cite this

Dominant orientation patch matching for HMAX. / Lu, Yan Feng; Zhang, Hua Zhen; Kang, Tae Koo; Lim, Myo Taeg.

In: Neurocomputing, 07.07.2015.

Research output: Contribution to journalArticle

Lu, Yan Feng ; Zhang, Hua Zhen ; Kang, Tae Koo ; Lim, Myo Taeg. / Dominant orientation patch matching for HMAX. In: Neurocomputing. 2015.
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