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All Outputs (841)

Least squares ellipsoid specific fitting (2004)
Presentation / Conference Contribution
Li, Q., & Griffiths, J. (2004, April). Least squares ellipsoid specific fitting. Presented at Geometric Modeling and Processing, 2004., Beijing, China

In this paper, a sufficient condition for a quadric surface to be an ellipsoid has been developed and a closed-form solution for ellipsoid fitting is developed based on this constraint, which is a best fit to the given data amongst those ellipsoids w... Read More about Least squares ellipsoid specific fitting.

Implicit curve and surface design using smooth unit step functions (2004)
Presentation / Conference Contribution
Li, Q., & Phillips, R. (2004, June). Implicit curve and surface design using smooth unit step functions. Presented at ACM Symposium on Solid and Physical Modeling, Genoa, Italy

This paper presents an implicit curve and surface design technique that uses smooth unit step functions. With the proposed method, an implicit curve or surface can be generated by inputting a sequence of points together with the normals at these poin... Read More about Implicit curve and surface design using smooth unit step functions.

Artificial intelligence in medicine (2004)
Journal Article
Ramesh, A., Kambhampati, C., Monson, J., & Drew, P. (2004). Artificial intelligence in medicine. Annals of the Royal College of Surgeons of England, 86(5), 334-338. https://doi.org/10.1308/147870804290

INTRODUCTION Artificial intelligence is a branch of computer science capable of analysing complex medical data. Their potential to exploit meaningful relationship with in a data set can be used in the diagnosis, treatment and predicting outcome in ma... Read More about Artificial intelligence in medicine.

The quintic Grassmannian g(1,4,2) in PG(9,2) (2004)
Journal Article
Shaw, R., & Gordon, N. (2004). The quintic Grassmannian g(1,4,2) in PG(9,2). Designs, codes, and cryptography, 32(1-3), 381 - 396. https://doi.org/10.1023/B%3ADESI.0000029236.10701.61

The 155 points of the Grassmannian g(1,4,2) of lines of PG(4,2) = PV(5,2) are those points x is an element of PG(9,2) = P(boolean AND V-2(5,2)) which satisfy a certain quintic equation Q(x) = 0. (The quintic polynomial Q is given explicitly in Shaw a... Read More about The quintic Grassmannian g(1,4,2) in PG(9,2).

Implicit fitting using radial basis functions with ellipsoid constraint (2004)
Journal Article
Li, Q., Wills, D., Phillips, R., Viant, W. J., Griffiths, J. G., & Ward, J. (2004). Implicit fitting using radial basis functions with ellipsoid constraint. Computer graphics forum : journal of the European Association for Computer Graphics, 23(1), 55-69. https://doi.org/10.1111/j.1467-8659.2004.00005.x

Implicit planar curve and surface fitting to a set of scattered points plays an important role in solving a wide variety of problems occurring in computer graphics modelling, computer graphics animation, and computer assisted surgery. The fitted impl... Read More about Implicit fitting using radial basis functions with ellipsoid constraint.

Wither mathematics, whither science? (2004)
Journal Article
Gordon, N. (2004). Wither mathematics, whither science?. Teaching mathematics and its applications / the Institute of Mathematics and Its Applications, 23(1), 15-32. https://doi.org/10.1093/teamat/23.1.15

This paper gives an overview of some of the problems facing the higher education mathematics community, and some examples of methods that departments of mathematics and related disciplines can use to try to deal with the problems. This is relevant to... Read More about Wither mathematics, whither science?.

Silicon pathology? (2004)
Presentation / Conference Contribution
Marshall, A., & Tompsett, B. Silicon pathology?

The Visualization System of CAD Drawing Workpiece (2003)
Journal Article
Nayonglin, Ma, X., Liu, S., & Zhang, G. (2003). The Visualization System of CAD Drawing Workpiece. Computer Simulation, 20(10), 102-104. https://doi.org/10.3969/j.issn.1006-9348.2003.10.034

This paper presents a visualization system that can complete the visualization process of CAD drawing workpieces. It introduces the four main functional modules of the visualization system: IGES file extraction and recognition, 3D reconstruction, gra... Read More about The Visualization System of CAD Drawing Workpiece.

The current opinion on the use of robots for landmine detection (2003)
Presentation / Conference Contribution
Rajasekharan, S., & Kambhampati, C. The current opinion on the use of robots for landmine detection. Presented at 2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422), Taipei, Taiwan, Taiwan

Anti-Personal landmines are a significant barrier to economic and social development in a number of countries. Several sensors have been developed but each one will probably have to find, if it exists, a specific area of applicability, determined by... Read More about The current opinion on the use of robots for landmine detection.

Size exclusion chromatography and rheology of AB/AB2 hyperbranched polymers (2003)
Presentation / Conference Contribution
Kunamaneni, S., Buzza, D. M. A., Parker, D., & Feast, W. J. Size exclusion chromatography and rheology of AB/AB2 hyperbranched polymers

We report size exclusion chromatography (SEC) and linear shear rheology results for a series of AB/AB2 hyperbranched polyesters. For these samples, the weight average molecular weight Mw was systematically varied from 3000 to 250000 but the spacer le... Read More about Size exclusion chromatography and rheology of AB/AB2 hyperbranched polymers.

Formulated silhouettes for sketching terrain (2003)
Presentation / Conference Contribution
Whelan, J. C., & Visvalingam, M. (2003, June). Formulated silhouettes for sketching terrain. Presented at Theory and Practice of Computer Graphics, TPCG 2003, Birmingham, UK

The mathematical definition of silhouettes within NPAR is based on the assumption that they are the eye-centered projections of occluding contours on an imaging plane. However, occluding contours are insufficient for sketching the silhouettes of hill... Read More about Formulated silhouettes for sketching terrain.

Measuring information integration model for CAD/CMM (2003)
Journal Article
Ma, X., Zhang, G., Liu, S., & Wang, X. (2003). Measuring information integration model for CAD/CMM. Chinese Journal of Mechanical Engineering, 16(1), 59-61. https://doi.org/10.3901/cjme.2003.01.059

A CAD/CMM workpiece modeling system based on IGES file is proposed. The modeling system is implemented by using a method of labelling the tolerance items of 3D workpiece. The concept-feature face is used in the method. Firstly the CAD data of workpie... Read More about Measuring information integration model for CAD/CMM.

Automatic Recognition for the Position and Orientation of Parts in Intelligent CMMs (2003)
Journal Article
Ma, X. (2003). Automatic Recognition for the Position and Orientation of Parts in Intelligent CMMs. Yi qi yi biao xue bao = Chinese journal of scientific instrument, 24(2), 165-170. https://doi.org/10.3321/j.issn%3A0254-3087.2003.02.015

A method for automatic recognition of the position and orientation of parts based on machine vision and CAD 3D model is proposed Virtual image matching is used to confirm the position and orientation of the part By perspective imagery,virtual images... Read More about Automatic Recognition for the Position and Orientation of Parts in Intelligent CMMs.

Towards the intelligent CMM (2002)
Journal Article
Zhang, G. X., Liu, S. G., Ma, X. H., Wang, J. L., Wu, Y. Q., & Li, Z. (2002). Towards the intelligent CMM. CIRP Annals - Manufacturing Technology, 51(1), 437-442. https://doi.org/10.1016/S0007-8506%2807%2961555-8

'Intelligent' CMMs are likely to become the next generation of CMMs. In this paper the main features of an intelligent CMM are proposed. In operation, the geometric and measuring information of the part would be extracted from its CAD file. A measuri... Read More about Towards the intelligent CMM.

Recovery of distal hole axis in intramedullary nail trajectory planning (2002)
Presentation / Conference Contribution
Zhu, Y., Phillips, R., Griffiths, J. G., Viant, W., Mohsen, A., & Bielby, M. Recovery of distal hole axis in intramedullary nail trajectory planning

In intramedullary nail (IMN) surgical operations, one of the main efforts for surgeons is to find the axes of two distal holes. Two distal holes on an IMN, which are inside the intramedullary canal of a patient's femur, can only be seen in a lateral... Read More about Recovery of distal hole axis in intramedullary nail trajectory planning.

The 'mouse organ' project: A learning approach to promote creativity and motivation (2002)
Journal Article
Wilkinson, A. J., Miles, R. S., Bateson, A. D., Selke, K. K., & Holley, S. (2002). The 'mouse organ' project: A learning approach to promote creativity and motivation. International journal of electrical engineering education, 39(3), 278-283. https://doi.org/10.7227/IJEEE.39.3.12

This paper describes an approach to the teaching of the design and development of embedded computer systems. Traditional lectures in computer architecture and real time software are complemented by project-based learning with appropriate support sess... Read More about The 'mouse organ' project: A learning approach to promote creativity and motivation.

A multi-agent decision support system for stock trading (2002)
Journal Article
Liu, K., Luo, Y., & Davis, D. N. (2002). A multi-agent decision support system for stock trading. IEEE Network, 16(1), 20-27. https://doi.org/10.1109/65.980541

A distributed problem solving system can be characterized as a group of individual cooperating agents running to solve common problems. As dynamic application domains continue to grow in scale and complexity, it becomes more difficult to control the... Read More about A multi-agent decision support system for stock trading.

Control states and complete agent architectures (2001)
Journal Article
Davis, D. N. (2001). Control states and complete agent architectures. Computational Intelligence, 17(4), 621-650. https://doi.org/10.1111/0824-7935.00167

This paper presents a developing concept of mind defined in terms of external and internal niches. This perspective on mind is described primarily in terms of the niche space of control states and the design space of processes that may support such p... Read More about Control states and complete agent architectures.