3D Kinematic Methods
Assessment
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Raihana Sharir
•
Physics, Physical Ed
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University
•
3 plays
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Hard
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10 questions
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1.
Multiple Select
What is kinematics?
The study of motion in association to force.
The study of motion, body segment displacements and their relation to time.
The study of the science of motion.
2.
Multiple Choice
Why do we use a sphere as a marker as opposed to a cube?
Because it is simple.
Because it is more accurate.
Because no matter what angle you look at it. It is the same shape.
Because it is more beautiful.
3.
Multiple Select
The lens and detector of the optical based camera (optoelectronic) has a crucial role in converting the video signal.
What does the lens do?
The quality of the signal will depend on these horizontal lines. The more frequent the lines on the sensor.
The infra red light is emitted from the camera. Bounces back from the small reflective markers. Upon bouncing back the light hits the lens and the image is projected onto the CCD image sensor. From there the software converts it to a video signal.
Where there has been light detected it will process as a 1 and 0 for no light.
4.
Multiple Select
Which is known as passive marker?
light reflecting markers
infra-red LED
5.
Multiple Select
What is the process when the camera systems go through to ensure quality data capture?
stereophotogrammetry
image conversion
megapixels
linearisation
6.
Multiple Choice
The process to generate 3D images is to combine 2 or more camera’s of images and reconstruct them together to produce a 3D object.
The technical term for this is Stereophotogrammetry.
True
False
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