Cover Page
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Title Page
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Dancing Marionette
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Learning Marionette
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Image Processing
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Computer Graphics
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Geometry Scanner
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Photo Equipment
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Machines and Tools
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Electronics
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Info + Help + Print
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Links
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Documents
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We have programmed the experimental graphics system
ZEFIR in Pascal and Assembler.
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The ZEFIR Tutor shows interactively the generation of
graphics, perspective mapping with a moveable camera,
moveable light, automatic shadow, rotated objects and
texture mapping of any source, including reflection.
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ZEFIR is the base of the lecture "Computer Vision", fast
and reliable, educational and fun.
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Rendering of surfaces - filling the surface triangles with
color, depending on surface and light, respecting hidden
parts - is a rather difficult task, which we perform by
software in a good quality, about 100.000 small triangles
per second. Some commercial systems offer a higher
speed by hardware, but one has to take into account,
that we need anyway a software renderer to generate
files of graphics e.g. with 3200 x 2400 pixels. Thus a
qualified algorithm in Assembler code is essential.
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The whole system has been mainly developed to supply
students with some basic knowledge of Computer Vision.
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