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Relight allows you to applpy RTI (Reflectance Trasformation Imaging), also known as PTM (Polynomial Texture Mapping, a special case of RTI) to a dataset of images captured from the same point of view but different lighting conditions. For the impatient, just follow the tutorial
Relight is a GUI application that assists you in processing the dataset, relight-cli is a command line programs to process the RTI dataset, in the scripts folder you can find python and bash scripts to automate steps as normal computations and web format conversions.
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Capture image sets to create RTI.
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Preprocessing image sets: alignment, white balance etc.
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Light directions estimation using balls or domes.
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RTI basis: which one is the best?
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RTI formats: offline and web friendly formats.
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RTI viewers: how to inspect and publish an RTI.
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RTI panorama: very high resolution RTI using multiple datasets.