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Updated Projected Light Patterns (markdown)

natowi 2020-01-24 11:27:31 +01:00
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Projected-Light-Patterns.md

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Using _Structured Light / Projected Light Patterns_ can drastically improve the quality of the reconstruction (especially for featureless or single coloured surfaces). Using _Structured Light / Projected Light Patterns_ can drastically improve the quality of the reconstruction (especially for featureless or single coloured surfaces).
![comp](https://user-images.githubusercontent.com/8138537/73062331-6fd0da00-3e9c-11ea-9d8b-a93cc826aed1.jpg)
Use projectors or other light sources to produce patterns on your object of interest. Use projectors or other light sources to produce patterns on your object of interest.
Capture two images from each perspective. One with the pattern, one without for texturing. Capture two images from each perspective. One with the pattern, one without for texturing.
Use a tripod or camera rig, as both images need to be in the same position. Use a tripod or camera rig, as both images need to be in the same position.
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Now you can start the reconstruction. Now you can start the reconstruction.
(The images with patterns will be used for the reconstruction. For texturing the images set in the PrepareDenseScene node (Images Folders) will be used.) (The images with patterns will be used for the reconstruction. For texturing the images set in the PrepareDenseScene node (Images Folders) will be used.)
Example:
Without light pattern:
![wo](https://user-images.githubusercontent.com/8138537/73061429-74948e80-3e9a-11ea-9635-de91706589a8.JPG)
With light pattern:
![wp](https://user-images.githubusercontent.com/8138537/73061430-74948e80-3e9a-11ea-980b-17a8e573f6c5.JPG)