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Reference Work Entry In depth
Polarized Light in Computer Vision
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Reference Work Entry In depth
Polarization
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Article
Open AccessA computer vision approach to improving cattle digestive health by the monitoring of faecal samples
The digestive health of cows is one of the primary factors that determine their well-being and productivity. Under- and over-feeding are both commonplace in the beef and dairy industry; leading to welfare issu...
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Living Reference Work Entry In depth
Polarized Light in Computer Vision
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Living Reference Work Entry In depth
Polarization
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Article
Open AccessHigh-sensitivity analysis of polarization by surface reflection
The exploitation of polarization information in the field of computer vision has become progressively more popular during the last few decades. This is primarily due to (1) the fact that polarization is a sour...
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Chapter and Conference Paper
Two-Source Surface Reconstruction Using Polarisation
Polarisation vision aims to capture and interpret the polarisation state of incoming light as part of a computer vision system. In this paper, polarisation information is fused with two-source photometric ster...
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Reference Work Entry In depth
Polarized Light in Computer Vision
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Reference Work Entry In depth
Polarization
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Chapter and Conference Paper
BRDF Estimation for Faces from a Sparse Dataset Using a Neural Network
We present a novel five source near-infrared photometric stereo 3D face capture device. The accuracy of the system is demonstrated by a comparison with ground truth from a commercial 3D scanner. We also use th...
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Chapter and Conference Paper
Reflection Component Separation Using Statistical Analysis and Polarisation
We show how to cast the problem of specularity subtraction as blind source separation from polarisation images. We commence by summarizing the relationships between the specular and diffuse reflection componen...
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Chapter and Conference Paper
Facial Geometry Estimation Using Photometric Stereo and Profile Views
This paper presents a novel method for estimating the three-dimensional shape of faces, facilitating the possibility of enhanced face recognition. The method involves a combined use of photometric stereo and p...
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Chapter and Conference Paper
Facial Feature Extraction and Change Analysis Using Photometric Stereo
This paper presents a new technique for three-dimensional face analysis aimed towards improving the robustness of face recognition. All of the 3D data used in the paper are obtained from a high-speed photometr...
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Chapter and Conference Paper
Facial Reconstruction and Alignment Using Photometric Stereo and Surface Fitting
This paper presents a novel 3D face shape capture device suitable for practical face recognition applications. A new surface fitting based face alignment algorithm is then presented to normalise the pose in pr...
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Chapter and Conference Paper
Surface Reconstruction Using Polarization and Photometric Stereo
This paper presents a novel shape recovery technique that combines photometric stereo with polarization information. First, a set of ambiguous surface normals are estimated from polarization data. This is achi...
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Chapter and Conference Paper
Robust Estimation of Reflectance Functions from Polarization
This paper presents a new approach to image-based reflectance function estimation. The method first uses Fresnel theory for reflection and polarization analysis to estimate the surface orientation for each ima...
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Chapter and Conference Paper
Analysis of Directional Reflectance and Surface Orientation Using Fresnel Theory
Polarization of light caused by reflection from dielectric surfaces has been widely studied in computer vision. This paper presents an analysis of the accuracy of a technique that has been developed to acquire...
