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Rotation Invariant Neural Network-Based Face Detection
H. Rowley, S. Baluja, and T. Kanade
tech. report CMU-CS-97-201, Computer Science Department, Carnegie Mellon University, December, 1997.

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In this paper, we present a neural network-based face detection system. Unlike similar systems which are limited to detecting upright, frontal faces, this system detects faces at any degree of rotation in the image plane. The system employs multiple networks; the first is a "router" network which processes each input window to determine its orientation and then uses this information to prepare the window for one or more "detector" networks. We present the training methods for both types of networks. We also perform sensitivity analysis on the networks, and present empirical results on a large test set. Finally, we present preliminary results for detecting faces which are rotated out of the image plane, such as profiles and semi-profiles.

Associated center: VASC
Associated lab/group: Face Group
Associated projects: Neural Network-Based Face Detection, Face Detection Databases, Face Detection, and Face Databases

H. Rowley, S. Baluja, and T. Kanade, Rotation Invariant Neural Network-Based Face Detection, tech. report CMU-CS-97-201, Computer Science Department, Carnegie Mellon University, December, 1997.

@techreport{Rowley_1997_920,
   author = "Henry Rowley and Shumeet Baluja and Takeo Kanade",
   title = "Rotation Invariant Neural Network-Based Face Detection",
   institution = "Computer Science Department, Carnegie Mellon University",
   month = "December",
   year = "1997",
   number = "CMU-CS-97-201",
   address = "Pittsburgh, PA"
}