Local Binary Pattern and Local Binary Test features related materials.
Local Binary Patterns:
LBP
http://bytefish.de/blog/local_binary_patterns/
"Extended Set of Local Binary Patterns for Rapid Object Detection"
http://cmp.felk.cvut.cz/~matas/papers/trefny-emb_lbp-cvww10.pdf
RLBP
http://www.cs.tut.fi/~mehta/rlbp
MLBP
https://github.com/Dining-Engineers/Multi-scale-Local-Binary-Pattern
To look at:
https://github.com/t0nyren/llbp
Local Binary Test:
FAST Corner Detection
http://www.edwardrosten.com/work/fast.html
"Object Detection with Pixel Intensity Comparisons Organized in Decision
Trees"
http://arxiv.org/pdf/1305.4537v5.pdf
https://github.com/nenadmarkus/pico
"Unconstrained Face Detection" - Normalized Pixel Difference (NPD)
http://www.cse.msu.edu/biometrics/Publications/Face/LiaoJainLi_UnconstrainedFaceDetection_TechReport.pdf
"A Fast and Accurate Unconstrained Face Detector" - Normalized Pixel Difference (NPD)
https://github.com/biotrump/NPD