From 57766fc367f512690ef6ab57dde94c3a9143a3eb Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Tue, 21 Nov 2023 07:31:29 +0100
Subject: Adding reference for linear regression algorithm.

---
 src/argaze/GazeAnalysis/LinearRegression.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/argaze/GazeAnalysis/LinearRegression.py b/src/argaze/GazeAnalysis/LinearRegression.py
index 0e10b87..9315751 100644
--- a/src/argaze/GazeAnalysis/LinearRegression.py
+++ b/src/argaze/GazeAnalysis/LinearRegression.py
@@ -22,7 +22,13 @@ GazePositionType = TypeVar('GazePositionType', bound="GazePositionType")
 
 @dataclass
 class GazePositionCalibrator(GazeFeatures.GazePositionCalibrator):
-    """Calibration algorithm based on linear regression."""
+    """Implementation of linear regression algorithm as described in:
+
+        **Drewes, H., Pfeuffer, K., & Alt, F. (2019, June).**  
+        *Time- and space-efficient eye tracker calibration.*  
+        Proceedings of the 11th ACM Symposium on Eye Tracking Research & Applications (ETRA'19, 1-8).  
+        [https://dl.acm.org/doi/pdf/10.1145/3314111.3319818](https://dl.acm.org/doi/pdf/10.1145/3314111.3319818)
+    """
 
     coefficients: numpy.array = field(default_factory=lambda : numpy.array([[1., 0.], [0., 1.]]))
     """Linear regression coefficients"""
-- 
cgit v1.1