Reprojection Error

The reprojection error is the error in positioning between where a point on a model is, and where the display viewpoint shows it to be. It typically occurs when working with models that possess a high level of surface detail, or were created from physical models.

As the viewpoint shifts in the projection, so all the points ? such as the pixels on a texturemap ? shift as well, into new positions, reflecting ther angle, and distance. Errors will be generated along the model as pixels overlap, or vertex co-ordinates don?t quite match easily computational locations.

This issue has never been completely solved, and is fudged through various methods, hiding the errors as best as possible.

See Also: Bundle Adjustment

Below, we offer a selection of links from our resource databases which may match this term.

Bundle Adjustment Reprojection Error

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Large Image Display: The Stepford Wives: Stuck in a Loop
The uncanny valley is a fickle thing. Everything can be fine one moment, and the next, even a slight error in programming, or even a data processing error, triggers it, and you go from believably human to terrifyingly wrong, in a space of only a few seconds.

Terminal Error

Terminal Error is a 2002 made for TV, low budget film about a self-aware, self perpetuating computer program that slowly takes control of the internet. Fairly clich?, the film still clearly tries to make a point about the inter-networkisation of computers and sensor webs into our lives, coupled with a worst case scenario for AI.

Horseracing the Augmented Way
Traditionally in horse-racing, there is a person, called the chartcaller who watches all races through binoculars, and announces the positions of the horses at each point of call into a tape recorder. This human method of tracking produces rather a large margin for error - surely AR can do better?

A Ghostly World
You are travelling through a forest, dappled sunlight streaming through the branches above, casting shadows on the ground. Leaves crunch underfoot, and the odour floats up to you. Closing your eyes, you reach out to pluck a flower - and feel nothing. Opening your eyes, you see your hand is in the middle of the plant you tried to pluck. Carefully, focussing with your eyes, by trial and error, you grasp and break off the flower, not feeling anything between your fingers. Suddenly, you realise you cannot even feel your fingers, you have not been feeling them, and you run a hand over your body, no sensation; you have to look to see you are touching skin.

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