Extrinsic Least Squares Regression with Closed-Form Solution on Product Grassmann Manifold for Video-Based Recognition

<div>Cambridge hand gesture samples: (a) from left to right (flat-leftward; flat-rightward; flat-contract; spread-leftward; spread-rightward); (b) from left to right (spread-contract; V-shape-leftward; V-shape-rightward; V-shape-contract).</div>

Mathematical Problems in Engineering

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Figure 1

Figure 1: Extrinsic Least Squares Regression with Closed-Form Solution on Product Grassmann Manifold for Video-Based Recognition 