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مهندسی پزشکی::
سینوسی
In phase-shift techniques, each pattern is split into regions where the light intensity is modulated according to a sinusoidal function (e.g. modulation from black to white), Figure 7.
Consecutive patterns are displayed such that the phase of the sinusoidal function shifts.
If you're using 8-bit grayscale or phase shifted patterns, which oftentimes use sinusoidal patterns, fuzzy pixels, oversampling, and diamond pixels may actually help to smooth the sine waves, as seen below.
When using three phase sinusoidal patterns in the DLP 3-D Machine Vision SDK, you can set in the configuration files to have calculated sub-pixels included in your point cloud.
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