C. E. Hann

Details der Publikationsliste

Zeitraum

2002 - 2008

Anzahl

99

Co-Autoren

Fast Normalized Cross Correlation for Motion Tracking using Basis Functions (2008)

C. E. Hann, J. G. Chase

Digital Image-based Elasto-tomography (DIET) is an emerging method for non-invasive breast cancer screening. Effective clinical application of the DIET system requires highly accurate motion tracking...

Force Pattern Characterization of C. elegans in Motion (2008)

Nock, V., Ghanbari, A., Wang, W., Blaikie, R., Chase, J.G., Chen, X.Q., ...

C. elegans is a worm that could be mutated to have different muscle arms, which may generate distinct force patterns when the worm moves. In this paper, an integrated system employing both a novel...

Dynamic Orientation Sensing for Augmented Reality Using a Dual Axis Accelerometer (2008)

Keir, M., Hann, C.E., Chase, J.G., Chen, X.Q.

Accurate viewpoint tracking for Augmented Reality applications is a challenging task. This paper presents a new model-based approach to tracking dynamic orientation using accelerometers. However, the...

A Low-Cost Unmanned Underwater Vehicle Prototype for Shallow Water Tasks (2008)

Wang, W.H., Chen, X.Q., Marburg, A., Chase, J.G., Hann, C.E.

Unmanned underwater vehicles (UUVs) have received worldwide attention and been widely used in various applications. In this paper, a recently developed low cost UUV prototype at the University of...

Image-based measurement of alveoli volume expansion in an animal model of a diseased lung (2008)

Hann, C.E., Hewett, D., Chase, J.G., Rabczuk, T., Sundarasan, A., Chen, X.Q., ...

Currently, there does not exist reliable MV treatment or protocols in critical care to treat acute respiratory diseases, and thus no proven way to optimise care to minimise the mortality, length of...

Simulation and initial proof-of-concept validation of a glycaemic regulation algorithm in critical care (2008)

Wong, X.W., Chase, J.G., Shaw, G.M., Hann, C.E., Lotz, T., Lin, J., ...

Glycaemic control can reduce mortality in intensive care by 45%. A model-based control algorithm utilising insulin and nutritional glucose inputs is presented. Simulated long-term gluco-regulatory...

Monte Carlo analysis of a new model-based method for insulin sensitivity testing. (2008)

Lotz, T.F., Chase, J.G., McAuley, K.A., Shaw, G.M., Wong, X.W., Lin, J., ...

Insulin resistance (IR), or low insulin sensitivity, is a major risk factor in the pathogenesis of type 2 diabetes and cardiovascular disease. A simple, high resolution assessment of IR would enable...

Model-based identification of PEEP titrations during different volemic levels (2008)

Starfinger, C., Chase, J.G., Hann, C.E., Shaw, G.M., Lambert, P., Smith, B.W., ...

A cardiovascular system (CVS) model has previously been validated in simulated cardiac and circulatory disease states. It has also been shown to accurately capture all main hemodynamic trends in a...

Model-based identification and diagnosis of a porcine model of induced endotoxic shock with hemofiltration (2008)

Starfinger, C., Chase, J.G., Hann, C.E., Shaw, G.M., Lambermont, B., Ghuysen, A., ...

A previously validated cardiovascular system (CVS) model and parameter identification method for cardiac and circulatory disease states are extended and further validated in a porcine model (N = 6)...

Prediction of hemodynamic changes towards PEEP titrations at different volemic levels using a minimal cardiovascular model. (2008)

Starfinger, C., Chase, J.G., Hann, C.E., Shaw, G.M., Lambert, P., Smith, B.W., ...

A cardiovascular system model and parameter identification method have previously been validated for porcine experiments of induced pulmonary embolism and positive end-expiratory pressure (PEEP)...

High(er) Insulin Sensitivity Rules Out Sepsis in Critical Care (2008)

Chase, J.G., Shaw, G.M., Blakemore, A., Wang, S., LeCompte, A., Wong, X.W., ...

High insulin sensitivity rules out sepsis for the majority of patient hours and provides a negative predictor to obviate pre-emptive antibiotic use. The model-based SI value may be determined in...

Suspended Cell Patterning for Automatic Microrobotic Cell Injection (2008)

Wang, W.H., Alkaisi, M.M., Liu, X.Y., Sun, Y., Chase, J.G., Chen, X.Q., ...

Microinjection of DNA/mRNA/morpholinos is a critical technology for molecular biology and drug discovery. When dealing with suspended cells, state-of-the-art manual injection involves a...

Machine Vision and Image Processing for Automated Cell Injection (2008)

Wang, W.H., Hewett, D., Hann, C.E., Chase, J.G., Chen, X.Q.

This paper presents image processing algorithms for cell structure recognition, which provides the desired deposition destinations without human interference for an automated cell injection system....

Surface Reconstruction for a DIET breast cancer screening system (2008)

Brown, R.G., Hann, C.E., Chase, J.G., Ray, L.E.

This paper outlines a method for accurately tracking surface motion on an actuated breast as part of a Digital Image-based Elasto-Tomography (DIET) breast cancer screening project. The tracking...

Vision-based 3D Surface Motion Capture for the DIET Breast Cancer Screening System (2008)

Brown, R.G., Hann, C.E., Chase, J.G., Chen, X.Q.

Breast cancer is one of the most prevalent forms of cancer in the world today. The search for effective treatment and screening methods is a highly active area of research. The Digital Image-based...

Model-Based Blood Glucose Control for Neonatal Intensive Care (2008)

LeCompte, A.J., Chase, J.G., Russel, G., Hann, C.E., Shaw, G.M.

Background and Aims Premature, low-birth-weight infants represent a significant proportion of the neonatal intensive care population. Glucose is a primary source of energy for the foetus, which...

The impact of model-based therapeutics on glucose control in an intensive care unit (2008)

Chase, J.G., Hann, C.E., Desaive, T., Ypma, M.F., Elfring, J., Shaw, G.M.

This paper investigates the impact of fast parameter identification methods, which do not require any forward simulations, on model-based glucose control, using retrospective data in the Christchurch...

In Silico Monte Carlo Virtual Trials of a Model-Based Adaptive Type 1 Diabetes Mellitus Control Protocol (2008)

Wong, X.W., Chase, J.G., Shaw, G.M., Lin, J., LeCompte, A.J., Hann, C.E.

Objective: To test an in silico Type 1 diabetes control protocol while accounting for realistic physiological variability, and measurement and delivery error Methods: A Monte Carlo (MC) analysis uses...

Clinical Data Validation of an improved, physiologically relevant Critical Care Glycaemic Control Model (2008)

Pretty, C.G., Parente, J., Razak, N., Lin, J., LeCompte, A.J., Shaw, G.M., ...

Introduction: Stress induced hyperglycaemia is prevalent in critical care. Tight glycaemic control is associated with significantly improved clinical outcomes. Providing tight control is difficult...

Model-Based Insulin Sensitivity as a Sepsis Diagnostic in Critical Care (2008)

Blakemore, A., Wang, S., Le Compte, A.J., Wong, X.W., Shaw, G.M., Lotz, T., ...

Background: Timely diagnosis and treatment of sepsis in critical care require significant clinical effort, experience, and resources. Insulin sensitivity is known to decrease with worsening condition...

A Benchmark Data Set for Model-Based Glycemic Control in Critical Care (2008)

LeCompte, A.J., Shaw, G.M., Blakemore, A., Wong, J., Lin, J., Hann, C.E., ...

Comes with free download data set file ( http://www.journalofdst.org/Journal/pdf/July2008/VOL-2-4-ORG4-CHASE-DATA-SUPPLEMENT-DS1.XLS ) and was made free immediately by the journal as a result

Identification of relaxation functions in glass by mean of a simple experiment (2007)

Sellier, M., Hann, C.E., Siedow, N.

This communication discusses the possibility of identifying the shear and structure relaxation functions in inorganic glass by means of a single, simple, and non-intrusive experiment. The latter...

Boundary element methods in elastography: a first explorative study (2007)

Berger, H-U., Hann, C.E., Chase, J.G., Broughton, R.L.

http://spiedigitallibrary.aip.org/dbt/dbt.jsp?KEY=PSISDG&Volume=6511&Issue=1&bproc=symp&scode=MI07 to find paper and front matter etc.

Discrete Colour-based Euclidean-Invariant Signatures for Feature Tracking in a DIET Breast Cancer Screening System (2007)

Brown, R.G., Hann, C.E., Chase, J.G., Ray, L.

A Digital Image-based Elasto-Tomography (DIET) system for breast cancer screening has been proposed in which the elastic properties of breast tissue are recovered by solving an inverse problem on the...

Identification of relaxation functions in glass by mean of a simple experiment (2007)

Sellier, M., Siedow, N., Hann, C.E.

This communication discusses the possibility of identifying the shear and structure relaxation functions in inorganic glass by means of a single, simple, and non-intrusive experiment. The latter...

Model-based sensor of hemodynamics in critical care (2007)

Hann, C.E., Starfinger, C., Chase, J.G., Desaive, T., Ghuysen, A., Shaw, G.M.

A model-based approach for real time tracking of key hemodynamic parameters in a porcine model of pulmonary embolism is presented. The model and methods are clinically validated by successfully...

Intensive Insulin Therapy and the Artificial Pancreas in Critical Care - Pitfalls? Practicalities and Performance (2007)

Chase, J.G., Shaw, G.M., LeCompte, A., Lee, D.S., Lonergan, T., Willacy, M., ...

Invited talk for Artificial Pancreas symposium. Paid travel and other expenses Diabetes Science and Technology

Surface motion reconstruction for a DIET system (2007)

Brown, R.G., Hann, C.E., Chase, J.G., Ray, L.E., Chen, X.

A Digital Image-based Elasto-Tomography (DIET) system for breast cancer screening has been proposed in which the elastic properties of breast tissue are recovered by solving an inverse problem on the...

Agitation Sensor Based on Facial Grimacing for Improved Sedation Management in Critical Care (2007)

Hann, C.E., Becouze, P., Chase, J.G., Shaw, G.M., Chen, X.

The effective delivery of sedation in critical care relies primarily on an accurate and consistent measure of a patient’s agitation level. However, current methods for assessing agitation are...

Accelerometer-based Orientation Sensing for Head Tracking in AR & Robotics (2007)

Keir, M.S., Hann, C.E., Chase, J.G., Chen, X.Q.

This work seeks to improve dynamic accuracy of viewpoint tracking for Augmented Reality. Using an inverted pendulum to model the head, dynamic orientation sensing for a single degree of rotation in a...

Study of ventricular interaction during pulmonary embolism using clinical identification in a minimum cardiovascular system model (2007)

Desaive, T., Ghuysen, A., Kolh, P., Dauby, P.C., Starfinger, C., Hann, C.E., ...

Cardiovascular disturbances are difficult to diagnose and treat because of the large range of possible underlying dysfunctions combined with regulatory reflex mechanisms that can result in...

Diagnosing cardiac disease states using a minimal cardiovascular model (2007)

Starfinger, C., Hann, C.E., Chase, J.G., Shaw, G.M.

Cardiovascular disease states are difficult to diagnose due to a variety of underlying dysfunctions combined with reflex mechanisms. To provide more consistent care a cardiovascular system model is...

Modelling the Cardiovascular System (2007)

Shaw, G.M., Chase, J.G., Starfinger, C., Smith, B.W., Hann, C.E., Desaive, T., ...

Invited lead presentation and plenary talk for JFICM visiting researchers CD-ROM

Model-based Cardiac Diagnosis of Pulmonary Embolism (2007)

Starfinger, C., Hann, C.E., Chase, J.G., Desaive, T., Ghuysen, A., Shaw, G.M.

A minimal cardiac model has been shown to accurately capture a wide range of cardiovascular system dynamics commonly seen in the intensive care unit (ICU). However, standard parameter identification...

A New Approach to Accelerometer-based Head Tracking for Augmented Reality & Other Applications (2007)

Keir, M.S., Hann, C.E., Chase, J.G., Chen, X.Q.

This work seeks to improve dynamic accuracy of viewpoint tracking for Augmented Reality. Using an inverted pendulum to model the head, dynamic orientation sensing in a vertical plane is achieved...

Specialised Image Capture Systems for a DIET Breast Cancer Screening System (2007)

Hann, C.E., Chase, J.G., Berg, C., Brown, R.G., Elliott, R.B., Chen, X.Q.

Digital Image-based Elasto-Tomography (DIET) is an emerging technology for non-invasive breast cancer screening. This technology actuates breast tissue and measures the surface motion using digital...

Measuring facial grimacing for quantifying patient agitation in critical care (2007)

Becouze, P., Hann, C.E., Chase, J.G., Shaw, G.M.

The effective delivery of sedation in critical care relies primarily on an accurate and consistent measure of a patient's agitation level. However, current methods for assessing agitation are...

Impact of system identification methods in metabolic modeling and control (2006)

Wong, J., Shaw, G.M., Hann, C.E., Lotz, T., Lin, J., Chase, J.G.

Metabolic modelling can significantly improve control of hyperglycaemia. Clinical control demands physiological accuracy in identifying patient specific parameters. However, typically used non-linear...

Identification of time-varying cardiac disease state using a minimal cardiac model with reflex actions (2006)

Hann, C.E., Andreassen, S., Smith, B.W., Shaw, G.M., Chase, J.G., Jensen, P.L.

A minimal cardiac model that accurately captures the essential cardio- vascular system dynamics has been developed. Standard parameter identification methods for this model are highly non-linear and...

Efficient computation of the infimum in H∞ control for seismic structures (2006)

Wu, W-H., Hann, C.E., Chase, J.G.

An important consideration in the design of H∞ controllers is the optimal norm of the H∞ control problem. This value determines the lowest value of the H∞ norm that can be obtained with the...

Insulin + nutrition control for tight critical care glycaemic regulation (2006)

Chase, J.G., Wong, J., Lin, J., LeCompte, A., Lotz, T., Lonergan, T., ...

A new insulin and nutrition control method for tight glycaemic control in critical care is presented from concept to clinical trials to clinical practice change. The primary results show that the...

Clinical cardiovascular identification with limited data and fast forward simulation (2006)

Hann, C.E., Chase, J.G., Shaw, G.M., Andreassen, S., Smith, B.W.

A minimal cardiac model has been developed that captures the major dynamics of the cardio-vascular system (CVS). This model is extended to simulate time varying disease state including reflex actions...

Real-time integral based structural health monitoring (2006)

Singh-Levett, I., Chase, J.G., Hann, C.E., Deam, B.L.

An algorithm has been developed to provide real-time structural health monitoring during earthquake events. For a given input ground acceleration the algorithm matches the Bouc-Wen hysteresis model...

Determining the seismic transfer function infimum for a structural design (2006)

Hann, C.E., Chase, J.G., Wu, W-H.

The overall seismic structural design problem, for a given structure, may be considered in terms of its transfer function from the ground motion input to the response output. In this regard, it is...

Integral-based identification of patient specific parameters for a minimal cardiac model (2006)

Hann, C.E., Chase, J.G., Shaw, G.M.

A minimal cardiac model has been developed which accurately captures the essential dynamics of the cardiovascular system (CVS). However, identifying patient specific parameters with the limited...

Fast normalized cross correlation for motion tracking using basis functions (2006)

Hii, A., Hann, C.E., Chase, J.G.

Digital Image-based Elasto-tomography (DIET) is an emerging method for noninvasive breast cancer screening. Effective clinical application of the DIET system requires highly accurate motion tracking...

Model predictive glycaemic regulation in critical illness using insulin and nutrition input: a pilot study (2006)

Wong, X-W., Chase, J.G., Shaw, G.M., Hann, C.E., Lotz, T., Lin, J., ...

This paper develops and presents a pilot study of a long-term controller for safe regulation of glycaemia under elevated insulin resistance and glucose intolerance in critically ill patients by...

Integral-based filtering of continuous glucose sensor measurements for glycaemic control in critical care (2006)

Chase, J.G., Hann, C.E., Jackson, M., Lin, J., Lotz, T., Wong, X-W., ...

Hyperglycaemia is prevalent in critical illness and increases the risk of further complications and mortality, while tight control can reduce mortality up to 43%. Adaptive control methods are capable...

Future model-based quality improvements in critical care – automated sedation and cardiac monitoring (2006)

Shaw, G.M., Chase, J.G., Starfinger, C., Hann, C.E.

The overall approach of combining computational models and methods with fundamental physiology offers significant potential for improving patient management in critical care. In particular, they...

Optimising Ventilation Using a Simple Model of The Ventilated ARDS Lung (2006)

Shaw, G.M., Chase, J.G., Yuta, T., Horn, B., Hann, C.E.

Mechanical ventilation is a “bread and butter” therapy in critical care. It is well known that a properly or well ventilated patient has an increased likelihood of improved outcome. However,...

Stochastic insulin sensitivity models for tight glycaemic control (2006)

Chase, J.G., Lin, J., Lee, D.S., Wong, J., Hann, C.E., Shaw, G.M.

Hyperglycaemia is prevalent in critical care, and tight control reduces mortality. Targeted glycaemic control can be achieved by frequent fitting and prediction of a modelled insulin sensitivity...

Transient and Steady-State Euglycemic Clamp Validation of a Model for Glycemic Control and Insulin Sensitivity Testing (2006)

Lotz, T.F., Chase, J.G., McAuley, K.A., Lee, D.S., Lin, J., Hann, C.E., ...

Background: There is an urgent need for a simple and accurate measure of insulin sensitivity to diagnose insulin resistance in the general population and quantify changes due to clinical...

A Pilot Study of the SPRINT Protocol for Tight Glycaemic Control in Critically Ill Patients (2006)

Lonergan, T., LeCompte, A., Willacy, M., Chase, J.G., Shaw, G.M., Hann, C.E., ...

Background: Stress-induced hyperglycemia is prevalent in critical care, even in patients with no history of diabetes. Increased counter-regulatory hormone response increases gluconeogenesis and...

A Simple Insulin-Nutrition Protocol for Tight Glycemic Control in Critical Illness: Development and Protocol Comparison (2006)

Lonergan, T., LeCompte, A., Willacy, M., Chase, J.G., Shaw, G.M., Wong, X.W., ...

Background: Hyperglycemia is prevalent in critical care, and tight control can significantly reduce mortality. However, current protocols have been considered taxing to administer and may require...

A novel, model-based insulin and nutrition delivery controller for glycemic regulation in critically ill patients (2006)

Wong, X.W., Singh-Levett, I., Hollingsworth, L.J., Shaw, G.M., Hann, C.E., Lotz, T., ...

Background: Critically ill patients are often hyperglycemic and insulin resistant, as well as highly dynamic. Tight glucose control has been shown to significantly reduce mortality in critical care....

Rethinking glycaemic control in critical illness - from concept to clinical practice change (2006)

Shaw, G.M., Chase, J.G., Wong, X.W., Lin, J., Lotz, T., LeCompte, A., ...

Objective: To examine the practical difficulties in managing hyperglycaemia in critical illness and to present recently developed model-based glycaemic management protocols to provide tight control....

Tight glycaemic control with a variable insulin in nutrition protocol (2006)

Shaw, G.M., Chase, J.G., Wong, X.W., Lin, J., Lotz, T., LeCompte, A., ...

The overall approach of modulating insulin and nutrition challenges the current practice of using only insulin to reduce glycaemic levels, which often results in large variability and poor control....

Diagnosis using a minimal cardiac model including reflex actions (2005)

Hann, C.E., Chase, J.G., Andreassen, S., Smith, B.W., Shaw, G.M.

Heart disease is difficult to diagnose due to often confusing clinical a data. A minimal cardiac model has been developed that captures the major dynamics of the cardiovascular system (CVS). To...

A fully identifiable physiological model of insulin kinetics for clinical applications (2005)

Lotz, T., Chase, J.G., Andreassen, S., Hann, C.E., Lin, J., Wong, J., ...

Why model insulin kinetics? - Glycaemic control for critically ill and Diabetes - Diagnosis of insulin resistance - Current models not physiological or difficult to identify!

Stochastic modelling of insulin sensitivity variability in critical care (2005)

Lin, J., Lee, D., Chase, J.G., Shaw, G.M., Hann, C.E., Lotz, T., ...

Hyperglycaemia is prevalent in critical care, and tight control can reduce mortality by 29 - 45%. Targeted glucose control can be achieved by frequent fitting and prediction of a modelled insulin...

Comparison of adaptive and sliding-scale glycaemic control in critical care and the impact of nutritional inputs (2005)

Wong, X-W., Chase, J.G., Shaw, G.M., Hann, C.E., Lin, J., Lotz, T.

Stress-induced hyperglycaemia is prevalent in critical care. Tight glucose control can reduce mortality up to 43%. An adaptive control algorithm utilising insulin and nutritional feed inputs for...

Efficient implementation of non-linear valve law and ventricular interaction dynamics in the minimal cardiac model (2005)

Hann, C.E., Chase, J.G., Shaw, G.M.

A minimal model of the cardio-vascular system (CVS) with ventricular interaction and inertial effects that accurately captures the physiological trends of a variety of disease states has been...

Integral-based parameter identification for long-term dynamic verification of a glucose-insulin system model (2005)

Hann, C.E., Chase, J.G., Lin, J., Lotz, T., Doran, C.V., Shaw, G.M.

Hyperglycaemia in critically ill patients increases the risk of further complications and mortality. This paper introduces a model capable of capturing the essential glucose and insulin kinetics in...

Adaptive bolus-based targeted glucose regulation of hyperglycaemia in critical care (2005)

Chase, J.G., Shaw, G.M., Lin, J., Doran, C.V., Hann, C.E., Robertson, M.B., ...

Critically ill patients are often hyperglycemic and extremely diverse in their dynamics. Consequently, fixed protocols and sliding scales can result in error and poor control. A two-compartment...

Adaptive bolus-based set-point regulation of hyperglycemia in critical care (2004)

Lin, J., Chase, J.G., Shaw, G.M., Doran, C.V., Hann, C.E., Robertson, M.B., ...

Critically ill patients are often hyperglycemic and extremely diverse in their dynamics. Consequently, fixed protocols and sliding scales can result in error and poor control. A two-compartment...

Fast identification of a minimal cardiac model (2004)

Hann, C.E., Chase, J.G., Shaw, G.M., Smith, B.W.

A minimal cardiac model has been developed to enable identification of abnormal cardio-vascular system (CVS) dynamics. A fast and accurate integral-based parameter identification method is presented...

Normalized Cross-Correlation Method For Motion Imaging Of Human Skin (2004)

Hii, A., Chase, J.G., Hann, C.E.

A major component of a Digital Image based Elasto-Tomography (DIET) breast cancer screening system is an accurate evaluation of skin tissue motion at the breast surface due to harmonic excitation. A...

Highly correlated model-based measures of insulin sensitivity (2004)

Lotz, T., Chase, J.G., McAuley, K.A., Lin, J., Shaw, G.M., Hann, C.E.

Hyperglycaemia is a problem in the intensive care patient population as well as for diabetic individuals. Tight control of blood glucose levels has been shown to reduce complications in these groups...

Projective Curvature and Integral Invariants (2002)

C. E. Hann, M. S. Hickman

Abstract. In this paper, an extension of all Lie group actions on R 2 to coordinates defined by potentials is given. This provides a new solution to the equivalence problems of curves under the...

Projective Curvature and Integral Invariants (2002)

Hann, C.E., Hickman, M.S.

The original publication is available at www.springerlink.com