Human Recognition on Combining Kinematic and ... - Semantic Scholar

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this manner, however, the head is approximated only crudely by a sphere and the torso is approximated by a cylinder with two spheroid ends. Matching between ...
                                             

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Input Video Clip Containing Human Walking

Silhouette Extraction Human Silhouette

Key Stationary Frame Parameter Selection Estimation Key Frames

Kinematic Parameter Estimation

Parameter Prediction

Parameter Initialized Length, Initialization Radius, Location, and Angle of Model in Key Frames

3D Human Model

Predicted Location Estimated and Angle Location and Angle Model Matching of Model in Key frames Estimated Length and Radius

Model Matching 3D Human Model

Estimated Location and Angle

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Head (Sphere)

N

S

Torso (Cylinder with elliptical cross section)

3 DOFs

Left Upper Arm

W E

3 DOFs

1 DOFs

H

H

Left Thigh

Right Thigh

3 DOFs

K

K

Left Leg

Right Leg

A

A

Left Toe

Right Toe

1 DOFs

1 DOFs

S Right Upper Arm

ri

rj

( xi , y i , z i )

(x j , y j , z j )

3 DOFs

1 DOFs

Left Lower Arm with hand

3 DOFs

3 DOFs

E

Right Lower Arm with hand

Camera

1 DOFs

3D Segment (i.e., the cone is the body part and spheres are joints) 2D Projection on image plane

ri

1 DOFs

'

( xi , y i )

r j' (x j , y j )

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