Lower Order Krawtchouk Moment-Based Feature-Set for Hand Gesture Recognition

Table 5

Comparison of results for Jochen-Triesch’s dataset.

Reference	Feature extraction method	Recognition accuracy
[14]	Elastic graph matching	92.9%
[26]	Modified census transform	89.9%
[27]	Weighted Eigen-space size functions	85.1%
[28]	Tchebichef (till 9th order), Hu, and Geometric features	84.63% (dark background); 95.55% (light background)
Proposed method	Krawtchouk features till 3rd order (45 features)	84.9%