Vicon IX 2000 L Información técnica descargar pdf (Pagina 229)

i.LINK

Vicon MX Hardware System Reference Glossary-13

settings to your own .hsf files to suit your

particular needs; these are saved to the

active Session folder of the open

database. Also see MX Camera and

Vicon MX.

I

i.LINK A proprietary implementation of

the IEEE 1394 standard by Sony

Corporation. Also see IEEE 1394.

IEEE 1394 A standard for connecting

digital devices without requiring analog-

to-digital conversion. It is typically used

for transferring digital video to and from

video equipment and computers and for

connecting storage devices. Vicon MX

supports synchronous movie image

capture using an IEEE 1394 digital video

capture card installed on the host PC.

Also see FireWire, i.LINK, and Reference

video.

IIDC 1394 See DCAM.

Image circle The diameter of the

sharp, circular image that the camera

lens casts onto the sensor. This indicates

the maximum area of usable quality

image that the lens can produce.

Impedance The total opposition to the

flow of alternating or direct current

specified for signal input/output

connections.

Interpolation The process by which

Vicon application software fills a gap in a

trajectory by calculating a smooth curve

between the broken ends. Also see

Trajectory.

Inverse dynamics (kinetics) The

process of calculating the force and

moment (torque) acting on the elements

of an articulated structure, given the

mass, inertia, position, orientation,

velocity, acceleration, angular velocity,

and angular acceleration of those

elements. Inverse dynamics approaches

are used in Vicon application software for

biomechanical modeling applications.

Also see Forward dynamics (kinetics),

Forward kinematics, Inverse kinematics,

and Kinetics.

Inverse kinematics The process of

calculating the angles at all the joints

connecting the elements of an articulated

structure, given the position and

orientation of those elements. Inverse

kinematics approaches are used in Vicon

application software for biomechanical

modeling applications and skeleton

editing.

In animation applications, inverse

kinematics ’solvers’ attempt to deduce

the motion of segments based on a

desired result, commonly the position of

the end element (or effector) in an

articulated structures. Examples are the

positioning of legs by moving the feet, or

of arms by moving the hands. This is an

inverse problem without a unique

solution. Also see Forward dynamics

(kinetics), Forward kinematics, Inverse

dynamics (kinetics), Kinematics, and

Segment.

Iris The device inside the camera lens

that controls the aperture size. Also see

Aperture.

K

Kinematic fitting The process by

which Vicon application software

positions the segments in the kinematic

model so that segments on the model fit

to the labeled trajectories. Also see

3D Workspace, Kinematic model,

Segment, Trajectory, and .vsk file.

Kinematic model A mathematical

description of a moving object. Kinematic

models for subjects or objects whose

motion is being captured or analyzed in a

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