Reflectance based object recognition
International Journal of Computer Vision
The Quotient Image: Class-Based Re-Rendering and Recognition with Varying Illuminations
IEEE Transactions on Pattern Analysis and Machine Intelligence
From Few to Many: Illumination Cone Models for Face Recognition under Variable Lighting and Pose
IEEE Transactions on Pattern Analysis and Machine Intelligence
An efficient representation for irradiance environment maps
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
IEEE Transactions on Pattern Analysis and Machine Intelligence
Lambertian Reflectance and Linear Subspaces
IEEE Transactions on Pattern Analysis and Machine Intelligence
Learning Object Representation form Lighting Variations
ECCV '96 Proceedings of the International Workshop on Object Representation in Computer Vision II
What is the set of images of an object under all possible lighting conditions?
CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
Comparing Images under Variable Illumination
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Illumination Cones for Recognition under Variable Lighting: Faces
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
The CMU Pose, Illumination, and Expression (PIE) Database
FGR '02 Proceedings of the Fifth IEEE International Conference on Automatic Face and Gesture Recognition
Lambertian Reflectance and Linear Subspaces
Lambertian Reflectance and Linear Subspaces
Journal of Cognitive Neuroscience
An image preprocessing algorithm for illumination invariant face recognition
AVBPA'03 Proceedings of the 4th international conference on Audio- and video-based biometric person authentication
Properties and performance of a center/surround retinex
IEEE Transactions on Image Processing
A multiscale retinex for bridging the gap between color images and the human observation of scenes
IEEE Transactions on Image Processing
Total Variation Models for Variable Lighting Face Recognition
IEEE Transactions on Pattern Analysis and Machine Intelligence
Illumination Invariant Face Recognition Using Near-Infrared Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Building Illumination Coherent 3D Models of Large-Scale Outdoor Scenes
International Journal of Computer Vision
A Gabor Quotient Image for Face Recognition under Varying Illumination
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing, Part II
Heterogeneous Face Recognition from Local Structures of Normalized Appearance
ICB '09 Proceedings of the Third International Conference on Advances in Biometrics
Retinex Combined with Total Variation for Image Illumination Normalization
ICIAP '09 Proceedings of the 15th International Conference on Image Analysis and Processing
Face recognition under varying illumination using gradientfaces
IEEE Transactions on Image Processing
Emulating biological strategies for uncontrolled face recognition
Pattern Recognition
An illumination normalization model for face recognition under varied lighting conditions
Pattern Recognition Letters
Face recognition based on binary template matching
ICIC'07 Proceedings of the intelligent computing 3rd international conference on Advanced intelligent computing theories and applications
Illumination-robust face recognition using retina modeling
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Variable lighting face recognition using discrete wavelet transform
Pattern Recognition Letters
Robust regression for face recognition
Pattern Recognition
A new method of illumination normalization for robust face recognition
CIARP'06 Proceedings of the 11th Iberoamerican conference on Progress in Pattern Recognition, Image Analysis and Applications
Curve mapping based illumination adjustment for face detection
ACIVS'06 Proceedings of the 8th international conference on Advanced Concepts For Intelligent Vision Systems
Perception based lighting balance for face detection
ACCV'06 Proceedings of the 7th Asian conference on Computer Vision - Volume Part II
Perception-Based lighting adjustment of image sequences
ACCV'09 Proceedings of the 9th Asian conference on Computer Vision - Volume Part III
Automatic person annotation of family photo album
CIVR'06 Proceedings of the 5th international conference on Image and Video Retrieval
Illumination invariant eye detection in facial images based on the retinex theory
IScIDE'11 Proceedings of the Second Sino-foreign-interchange conference on Intelligent Science and Intelligent Data Engineering
Remote identification of faces: Problems, prospects, and progress
Pattern Recognition Letters
MQI based face recognition under uneven illumination
ICB'07 Proceedings of the 2007 international conference on Advances in Biometrics
Outdoor face recognition using enhanced near infrared imaging
ICB'07 Proceedings of the 2007 international conference on Advances in Biometrics
Complete gradient face: a novel illumination invariant descriptor
CCBR'12 Proceedings of the 7th Chinese conference on Biometric Recognition
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In this paper, we present a unified framework for modeling intrinsic properties of face images for recognition. It is based on the quotient image (QI) concept, in particular on the existing works of QI [1, 2], Spherical Harmonic[13, 14, 15], [16, 17], Image Ratio [3, 5, 6, 7]and Retinex [4, 9]. Under this framework, we generalize these previous works into two new algorithms: (1) Non-Point Light Quotient Image (NPL-QI) extends QI to deal with nonpoint light sources by modeling non-point light directions using spherical harmonic bases; (2) Self-Quotient Image (S-QI) extends QI to perform illumination subtraction without the need for alignment and no shadow assumption. Experimental results show that our algorithms can significantly improve the performance of face recognition under varying illumination conditions.