Expand description
§Structured Light API
Structured light is considered one of the most effective techniques to acquire 3D models. This technique is based on projecting a light pattern and capturing the illuminated scene from one or more points of view. Since the pattern is coded, correspondences between image points and points of the projected pattern can be quickly found and 3D information easily retrieved.
One of the most commonly exploited coding strategies is based on trmatime-multiplexing. In this case, a set of patterns are successively projected onto the measuring surface. The codeword for a given pixel is usually formed by the sequence of illuminance values for that pixel across the projected patterns. Thus, the codification is called temporal because the bits of the codewords are multiplexed in time pattern .
In this module a time-multiplexing coding strategy based on Gray encoding is implemented following the (stereo) approach described in 3DUNDERWORLD algorithm UNDERWORLD . For more details, see [tutorial_structured_light].
Modules§
Structs§
- Gray
Code Pattern - Class implementing the Gray-code pattern, based on UNDERWORLD.
- Gray
Code Pattern_ Params - Parameters of StructuredLightPattern constructor.
- Sinusoidal
Pattern - Class implementing Fourier transform profilometry (FTP) , phase-shifting profilometry (PSP) and Fourier-assisted phase-shifting profilometry (FAPS) based on faps.
- Sinusoidal
Pattern_ Params - Parameters of SinusoidalPattern constructor
- Structured
Light Pattern - Abstract base class for generating and decoding structured light patterns.
Constants§
- DECODE_
3D_ UNDERWORLD - Kyriakos Herakleous, Charalambos Poullis. “3DUNDERWORLD-SLS: An Open-Source Structured-Light Scanning System for Rapid Geometry Acquisition”, arXiv preprint arXiv:1406.6595 (2014).
- FAPS
- FTP
- PSP
Traits§
- Gray
Code Pattern Trait - Mutable methods for crate::structured_light::GrayCodePattern
- Gray
Code Pattern Trait Const - Constant methods for crate::structured_light::GrayCodePattern
- Gray
Code Pattern_ Params Trait - Mutable methods for crate::structured_light::GrayCodePattern_Params
- Gray
Code Pattern_ Params Trait Const - Constant methods for crate::structured_light::GrayCodePattern_Params
- Sinusoidal
Pattern Trait - Mutable methods for crate::structured_light::SinusoidalPattern
- Sinusoidal
Pattern Trait Const - Constant methods for crate::structured_light::SinusoidalPattern
- Sinusoidal
Pattern_ Params Trait - Mutable methods for crate::structured_light::SinusoidalPattern_Params
- Sinusoidal
Pattern_ Params Trait Const - Constant methods for crate::structured_light::SinusoidalPattern_Params
- Structured
Light Pattern Trait - Mutable methods for crate::structured_light::StructuredLightPattern
- Structured
Light Pattern Trait Const - Constant methods for crate::structured_light::StructuredLightPattern