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Multi-scale integration of slope data on an irregular mesh (2011)
Presentation / Conference
Saracchini, R., Stolfi, J., Leitão, H., Atkinson, G., & Smith, M. (2011, November). Multi-scale integration of slope data on an irregular mesh. Paper presented at Pacific-Rim Symposium on Image and Video Technology, Gwangju, South Korea, 2011

Biological indexes based reflectional asymmetry for classifying cutaneous lesions (2011)
Journal Article
Liu, Z., Smith, L., Sun, J., Smith, M., & Warr, R. (2011). Biological indexes based reflectional asymmetry for classifying cutaneous lesions. Lecture Notes in Artificial Intelligence, 6893 LNCS(PART 3), 124-132. https://doi.org/10.1007/978-3-642-23626-6_16

This paper proposes a novel reflectional asymmetry descriptor to quantize the asymmetry of the cutaneous lesions for the discrimination of malignant melanoma from benign nevi. A pigmentation elevation model of the biological indexes is first construc... Read More about Biological indexes based reflectional asymmetry for classifying cutaneous lesions.

Psychologically inspired dimensionality reduction for 2D and 3D Face Recognition (2011)
Presentation / Conference
Hansen, M. F., Atkinson, G., Smith, M., & Smith, L. (2011, September). Psychologically inspired dimensionality reduction for 2D and 3D Face Recognition. Paper presented at British Machine Vision Conference 2011

We present a number of related novel methods for reducing the dimensionality of data for the purposes of 2D and 3D face recognition. Results from psychology show that humans are capable of very good recognition of low resolution images and caricature... Read More about Psychologically inspired dimensionality reduction for 2D and 3D Face Recognition.

The photoface database (2011)
Presentation / Conference
Zafeirou, S., Hansen, M. F., Atkinson, G., Argyriou, V., Petrou, M., Smith, M., & Smith, L. (2011, June). The photoface database. Paper presented at Biometrics Workshop of Computer Vision and Pattern Recognition

Machine vision 3D skin texture analysis for detection of melanoma (2011)
Journal Article
Warr, R., Ding, Y., Sun, J., Farooq, A. R., Smith, M. L., Smith, L. N., …Warr, R. (2011). Machine vision 3D skin texture analysis for detection of melanoma. Sensor Review, 31(2), 111-119. https://doi.org/10.1108/02602281111109961

Pur ose - The ur ose of this a er is to describe innovative machine vision methods that have been em loyed for the ca ture and analysis of 3D skin textures; and the resulting otential for assisting with identification of sus icious lesions in the det... Read More about Machine vision 3D skin texture analysis for detection of melanoma.

Enhanced 3D curvature pattern and melanoma diagnosis (2011)
Journal Article
Warr, R., Zhou, Y., Smith, M., Smith, L., & Farooq, A. (2011). Enhanced 3D curvature pattern and melanoma diagnosis. Computerized Medical Imaging and Graphics, 35(2), 155-165. https://doi.org/10.1016/j.compmedimag.2010.10.004

This article describes an enhanced curvature pattern based melanoma diagnosis system using convolution techniques and ensemble classifiers. We extract the 3. D data of melanoma with a photometric stereo device first. Then differential forms of the me... Read More about Enhanced 3D curvature pattern and melanoma diagnosis.

High speed, multi-scale tracing of curvilinear features with automated scale selection and enhanced orientation computation (2010)
Conference Proceeding
Smith, M. L., Smith, L. N., Farooq, A. R., Wedowski, R. D., Wedowski, R., Farooq, A., …Smith, M. (2010). High speed, multi-scale tracing of curvilinear features with automated scale selection and enhanced orientation computation. In W. Smari (Ed.), International Conference on High Performance Computing and Simulation (HPCS), 2010, (410-417). https://doi.org/10.1109/HPCS.2010.5547105

We propose a new high speed line tracing algorithm based on a well known differential geometric line extraction algorithm. The previously separate steps of line detection and line tracing are performed simultaneously. This allows the exclusion of non... Read More about High speed, multi-scale tracing of curvilinear features with automated scale selection and enhanced orientation computation.

Baseline face recognition using photometric stereo data (2010)
Presentation / Conference
Zafeiriou, S., Hansen, M. F., Atkinson, G., Petrou, M., & Smith, M. (2010, September). Baseline face recognition using photometric stereo data. Paper presented at International Conference and Exhibition on Biometrics Technology, Coimbatore, Tamil Nadu, India, 2010

An efficient and practical 3D face scanner using near infrared and visible photometric stereo (2010)
Presentation / Conference
Atkinson, G., Hansen, M. F., Smith, M., & Smith, L. (2010, September). An efficient and practical 3D face scanner using near infrared and visible photometric stereo. Paper presented at International Conference and Exhibition on Biometrics Technology

This paper is concerned with the acquisition of model data for automatic 3D face recognition applications. As 3D methods become progressively more popular in face recognition research, the need for fast and accurate data capture has become crucial. T... Read More about An efficient and practical 3D face scanner using near infrared and visible photometric stereo.

Multi-scale depth from slope with weights (2010)
Presentation / Conference
Saracchini, R., Stolfi, J., Leitão, H., Atkinson, G., & Smith, M. (2010, September). Multi-scale depth from slope with weights. Poster presented at British Machine Vision Conference

We describe a robust method to recover the depth coordinate from a normal or slope map of a scene, obtained e.g. through photometric stereo or interferometry. The key feature of our method is the fast solution of the Poisson-like integration equation... Read More about Multi-scale depth from slope with weights.

3D face reconstructions from photometric stereo using near infrared and visible light (2010)
Journal Article
Smith, M. L., Smith, L. N., Atkinson, G. A., Hansen, M. F., Hansen, M. F., Atkinson, G., …Smith, M. (2010). 3D face reconstructions from photometric stereo using near infrared and visible light. Computer Vision and Image Understanding, 114(8), 942-951. https://doi.org/10.1016/j.cviu.2010.03.001

This paper seeks to advance the state-of-the-art in 3D face capture and processing via novel Photometric Stereo (PS) hardware and algorithms. The first contribution is a new high-speed 3D data capture system, which is capable of acquiring four raw im... Read More about 3D face reconstructions from photometric stereo using near infrared and visible light.

An automated mean-shift based segmentation for pigmented skin lesions (2010)
Presentation / Conference
Zhao, L., Sun, J., Smith, M., Smith, L., & Warr, R. (2010, July). An automated mean-shift based segmentation for pigmented skin lesions. Paper presented at 2010 Proceedings of Medical Image Understanding and Analysis (MIUA)

This paper presents an unsupervised segmentation scheme to isolate pigmented skin lesion from surrounding normal skin. An adaptive mean-shift algorithm combined with maximal similarity based region merging is applied with a colour-spatial feature sp... Read More about An automated mean-shift based segmentation for pigmented skin lesions.

A computer assisted diagnosis system for malignant melanoma using 3D skin surface texture features and artificial neural network (2010)
Journal Article
Ding, Y., Smith, L., Smith, M., Sun, J., & Warr, R. (2010). A computer assisted diagnosis system for malignant melanoma using 3D skin surface texture features and artificial neural network. International Journal of Modelling, Identification and Control, 9(4), 370-381. https://doi.org/10.1504/IJMIC.2010.033212

It has been observed that disruptions in skin patterns are larger for malignant melanoma than for benign lesions. In contrast to existing work on 2D skin line patterns, this work proposes a computer assisted diagnosis system for malignant melanoma ba... Read More about A computer assisted diagnosis system for malignant melanoma using 3D skin surface texture features and artificial neural network.

Correlating plagiocephaly skull deformations with facial asymmetry using projected pattern 3D imaging (2010)
Book Chapter
Atkinson, G., Smith, M., Smith, L., & Warr, R. (2010). Correlating plagiocephaly skull deformations with facial asymmetry using projected pattern 3D imaging. In A. Hierlemann (Ed.), Proceedings of the 7th IASTED International Conference: Biomedical Engineering (BioMED 2010) February 17-19, 2010 Innsbruck, Austria, 249-256. Acta Press

In this paper, we present a statistical study into skull deformations caused by positional plagiocephaly. We also consider the hardware used for the assessment of both severity and treatment. State-of-the-art external imaging hardware is employed to... Read More about Correlating plagiocephaly skull deformations with facial asymmetry using projected pattern 3D imaging.

A new method describing border irregularity of pigmented lesions (2010)
Journal Article
Zhou, Y., Smith, M., Smith, L., & Warr, R. (2010). A new method describing border irregularity of pigmented lesions. Skin Research and Technology, 16(1), 66-76. https://doi.org/10.1111/j.1600-0846.2009.00403.x

Background/purpose: Automatic quantitative characterization of border irregularity generating useful descriptors is a highly important task for computer-aided diagnosis of melanoma. This paper proposes a novel approach to describe the border irregula... Read More about A new method describing border irregularity of pigmented lesions.

Using 3D differential forms to characterize a pigmented lesion in vivo (2010)
Journal Article
Warr, R., Zhou, Y., Smith, M., Smith, L., & Robert, W. (2010). Using 3D differential forms to characterize a pigmented lesion in vivo. Skin Research and Technology, 16(1), 77-84. https://doi.org/10.1111/j.1600-0846.2009.00384.x

Background/purpose: After the formulation of ABCD rules, many new feature extraction methods are emerging to describe the asymmetry, border irregularity, color variation and diameter of malignant melanoma. In this paper, a new research direction orth... Read More about Using 3D differential forms to characterize a pigmented lesion in vivo.

Facial geometry estimation using photometric stereo and profile views (2009)
Journal Article
Farooq, A. R., Smith, L. N., Smith, M. L., Atkinson, G. A., Atkinson, G., Smith, M., …Farooq, A. (2009). Facial geometry estimation using photometric stereo and profile views. Lecture Notes in Artificial Intelligence, 5558 LNCS, 1-11. https://doi.org/10.1007/978-3-642-01793-3_1

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 profile view information. It can be divide... Read More about Facial geometry estimation using photometric stereo and profile views.

Facial reconstruction and alignment using photometric stereo and surface fitting (2009)
Journal Article
Smith, L. N., Smith, M. L., Farooq, A. R., Atkinson, G. A., Atkinson, G., Farooq, A., …Smith, L. (2009). Facial reconstruction and alignment using photometric stereo and surface fitting. Lecture Notes in Artificial Intelligence, 5524 LNCS, 88-95. https://doi.org/10.1007/978-3-642-02172-5_13

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 preparation for recognition. The 3D data ca... Read More about Facial reconstruction and alignment using photometric stereo and surface fitting.