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Reza Saatchi

Professor Reza Saatchi CEng, MIET, FHEA

Professor of Electronics (Medical Engineering)

Summary

Reza Saatchi joined Sheffield Hallam University in 1993 and is currently a Professor of Electronics (Medical Engineering). His main research expertise is in design and development of novel and innovative solutions in Electronics (Medical Engineering). He had a number of research grants from various institutions that includes National Institute for Health Research and Medical Research Council. He has about 150 research publications and supervised 20 PhD studies to completion.

He teaches on all levels of Electronic degree and MSc courses with the particular focus on digital signal processing, artificial intelligence and communication networks.

  • About

    Professor Saatchi is a well-recognised researcher with main expertise in Electronics (Medical Engineering). He has led the development of a number of innovative solutions for challenging medical electronic engineering problems. The focus of these was novel technologies for improved medical monitoring and diagnoses.

    His research activities are well-respected nationally and internationally with aspects of his work being world leading. His current research development activities include development of:

    • Noncontact respiration monitoring systems.
    • Non x-ray means of assessing bone density for osteoporosis.
    • Thermal imaging for medical monitoring including arthritis.
    • Accelerometry for human movement analysis including balance problems.
    • Techniques for determining probability survival in injuries.
    • Electroencephalogram and Electrocardiogram signal processing

    Professor Saatchi has organised a number of international research symposia. He has acted as external examiner to over 30 PhD theses.

    Professor Saatchi has a number of leadership duties at Sheffield Hallam University. He is currently the chair of the Faulty Research Ethics Committee. He is also a member of the Materials and Engineering Research Institute Executive Committee and the University's Research and Innovation Committee. He is a panel member for reviewing appeal applications for taught courses as well as postgraduate research.

    Professor Saatchi has an exemplary record of teaching many electronics modules. He is continually nominated by students as an inspirational lecturer and won a Faculty Inspirational Lecturer Award in 2016. During the last 10 years, he has supervised about 100 MSc theses that were associated with his research. He is currently teaching modules across all levels of Electronics degrees and MSc with focus on Digital Signal Processing, Artificial Intelligence and Computer Communication.

  • Teaching

    Subject Area/Group: Electronic, Computing and Control Engineering

    Professor Saatchi is currently teaching on 7 modules (6 as module leader, ML) on all levels of electronic degree courses and MSc.

    - Digital signal processing (ML): MSc Telecommunication and Electronic Engineering
    - Mobile communications and digital signal processing, level 6 degree (ML): BEng (Hon., CEng) Electrical & Electronic Engineering
    - Digital signal processing and mobile communications, level 6 degree (ML): BEng (Hon., IEng) Electronic Engineering
    - Neural computing, level 6 degree (ML): BEng (Hon., IEng) Electronic Engineering
    - Advanced network engineering, level 6 degree (ML): BEng (Hon., CEng) Computer Systems Engineering
    - Engineering analysis and digital signal processing, level 5 degree (ML): BEng (Hon., IEng) Electronic Engineering
    - Professional engineering, level 4 degree: BEng (Hon., CEng) Computer Systems Engineering (Computer & Network Engineering)

  • Research

    • Centre for Automation and Robotics Research
    • Materials and Engineering Research Institute

    Reza has worked on the electronics of medical engineering since January 1988. These involved digital signal processing, computer communication, system design and artificial intelligence. The areas for which development he had a leadership role are summarised below.

    2014-current: Accelerometry for arthritis and vestibular problems diagnosis

    In collaboration with Sheffield Children's Hospital (Consultant, Dr Daniel Hawley), accelerometry techniques are being developed to improve diagnoses of arthritis in children. One of Dr Saatchi's PhD students is also involved in the project. Some of the preliminary findings were reported in a conference proceeding and the team has journal papers currently in preparation. In collaboration with the Vestibular Laboratory at Sheffield Children's Hospital (Collaborator, Dr Samantha Lear), we are also developing accelerometry techniques to better understand balance related problems - a new PhD student has joined this study from October 2016.

    2014-current: Artificial intelligence techniques to predict likelihood of survival in trauma injuries

    Reza is currently collaborating with The Trauma Audit and Research Network (TARN) to develop new artificial intelligence approaches to predict the likelihood of survival from an injury. For this work, Dr Saatchi is supervising a PhD student as Director of Study, and to date fuzzy logic based approaches were developed that are reported in the student's MPhil/PhD transfer report.

    2013-current: Thermal imaging for paediatric monitoring and diagnosing

    This study has resulted in image processing techniques (such as facial tracking for respiration monitoring) that bring thermal imaging closer to routine clinical use for monitoring and diagnosis. Reza has already supervised 2 completed PhD studies as Director of Study to develop thermal imaging for noncontact respiration rate monitoring. Two new PhD students have joined the research team to continue this work in October 2016.

    2011-current: Vibration analysis to assess bone mineral density

    The study has resulted in developments in vibration analysis to assess bone mineral density (BMD). The current gold standard for BMD assessment is dual energy X-ray absorptiometry (DXA), but this has shortcomings such as its ineffectiveness for children aged 5 years and younger. Reza has supervised a completed, NHS-funded, PhD study (as Director of Study) in this area and has recently appointed a Post-doctoral researcher to continue the work in collaboration with Sheffield Children's Hospital. In June 2016 the study received funding from the Medical Research Council's Confidence-in-Concept scheme, value £40,514, to further develop and evaluate the approaches. Some of the findings were reported in 2 journals and 4 conference proceedings.

    2009-current: Noncontact real-time respiration rate monitoring

    The study resulted in new techniques for noncontact respiration rate monitoring. The work has been in collaboration with a number of consultants from Sheffield Children's Hospital (SCH). Some findings were reported in 6 journals and 8 conference proceedings. There were a number of grants, one from the National Institute for Health Research (NIHR), invention for Innovation (i4i) scheme (grant reference number: II-LB-0712-20004), value £177,585 (co-applicant). Reza has two patents (GB 2480605 and WO 2011148159) in this area. So far, Reza has supervised 2 PhD studies to completion (as Director of Study) and 2 new PhD students will be continuing the work. There were a number of design prizes, including one from the Medipex and another from the IET. Some thermal imaging aspects of this work overlap with Reza's work on thermal imaging for paediatric study.

    2005-current: Wireless transmission quality of service assessment and improvement

    The study has resulted in artificial intelligent methods, primarily fuzzy logic and neural computing to quantify how well hybrid (wired and wireless) networks transfer multimedia (i.e. quality of service assessment) and the manner this information can be used to improve the network's performance. Reza has supervised as Director of Studies 3 completed PhDs and an MPhil for this work. Some of the findings were reported in 5 journals, 2 book chapters and 17 conference proceedings. Dr Saatchi is currently supervising a PhD student (as Director of Study) sponsored by SHU Vice Chancellor's award to deploy some of the developed techniques in clinical settings in collaboration with Sheffield Children's Hospital.

    1988-2005: EEG and ECG signal processing in brain related disorders

    The study has resulted in signal processing (such as signal source separation, wavelet transform) and artificial intelligent (such as fuzzy logic and neural computing) methods to interpret electroencephalogram (EEG) for a number of brain related disorders (schizophrenia, Huntington's disease and Parkinson's disease) and in saccade. Dr Saatchi also investigated electrocardiogram (ECG) components to detect hypoglycaemia-induced cardiac arrhythmias. There were 2 completed PhD studies in this area. The work had several external collaborators that included: Sheffield University, Royal Hallamshire Hospital (Sheffield), Plymouth Hospital and the Salk Institute (San Diego, USA). One of the publications related to the project, received the highly prestigious IET Premium and EUREL prizes. Some of the findings were reported in 12 journals and 22 conference proceedings. He currently co-supervises a PhD student registered at Northumbria University to design an optical EEG recording system.

    A funding from Sheffield Hallam University (Imagine Connect scheme, value £13,500) and a grant from Sheffield Children's Hospital (value £16,500) were received in support of this work to further develop thermal imaging in paediatric health care. Dr Saatchi's main role has been to guide the image processing developments needed to analyse and interpret the data. These ongoing studies are

    'Development of a high-resolution infrared thermographic imaging method as a diagnostic tool for acute undifferentiated limp in young children'. A study was successfully carried out by a BMedSci student from Sheffield University, June 2015-July 2016. Medical collaborator: Dr Shammi Ramlakhan (consultant in emergency medicine) from SCH. This is being written up as a journal paper.

    'Development of a new methodology using high resolution thermal imaging (HRTI) to detect vertebral fractures in children with ostegenesis imperfecta'. A study was successfully carried out by a BMedSci student from Sheffield University, June 2015-July 2016. Medical collaborator: Prof. Paul Dimitri (Consultant in Paediatric Endocrinology) from SCH. The work is being written up as a journal paper.

    'Wrist fracture screening’. Medical collaborator: Prof. Derek Burke (Medical Director and Consultant in Paediatric Emergency Medicine, SCH). Data recordings from 30 children (with a wrist fracture or sprain) were carried out, results are promising and the work is continuing.

    'Skeletal Survey or osteogenesis imperfecra’. Medical collaborators: Prof. Nick Bishop (Professor of Paediatric Bone Disease, Sheffield University) and Dr Amaka Offiah (Reader in Paediatric Musculoskeletal Imaging, Sheffield University). A student recently started working on this study.

    ‘Rheumatology examination for outpatients with diagnosed Juvenile Idiopathic Arthritis (JIA)’. Medical collaborator: Dr Danial Hawley (Consultant Rheumatologist, SCH). NHS ethics is granted and the study is in progress.

    ‘Neonatal screening for bacterial infection’. Medical collaborator: Mr Prasad Godbole (Consultant Paediatric Surgeon, SCH). NHS ethics is granted and the study is in progress.

    Contributions to other studies

    Development of techniques for 3-dimensional ultrasound scanning to diagnose breast cancer in women. A completed PhD study supervised by Dr Saatchi. Some of the study's findings were reported in a journal paper.

    Development of techniques for 3-dimensional object scanning. A completed PhD study supervised by Dr Saatchi. Some of the study's findings were reported in 4 conference proceedings.

    Image processing techniques to improve monitoring of cystic fibrosis (CF). CF is a recessive genetic condition that causes dehydration and production of thick secretions in many affected organs, most notably the lungs. These affect the size of the lungs’ air vessels. Dr Saatchi supervised a completed PhD as Director of Study that developed image processing to assist monitoring of CF by quantifying the dimensions of the air vessels in CT scans. The method was clinically evaluated at Sheffield Children's Hospital.

    Development of techniques for robotic guidance and control. Robots are becoming increasingly useful in the medical field to assist in for example surgical operations. Dr Saatchi supervised as Director of Study a PhD and co-supervised another PhD to further develop this field. Some of the findings were reported in 4 journal and conference proceedings.

    Collaborators

    Reza has been a member of Sheffield Children's Hospital Research and Innovation Board since 2013. He currently has research collaboration with:

    Sheffield Children's Hospital:

    • Prof. Derek Burke (Medical Director and Consultant in Paediatric Emergency Medicine);
    • Prof. Heather Elphick (Consultant in Paediatric Respiratory Medicine);
    • Prof. Paul Dimitri (SCH Research Director, Consultant in Paediatric Endocrinology);
    • Shammi Ramlakhan (Consultant in Emergency Medicine);
    • Dr Ruth Kingshot (Senior Scientist);
    • Dr Daniel Hawley (Consultant Rheumatologist);
    • Mr Prasad Godbole (Consultant Paediatric Surgeon, SCH).

    The University of Sheffield:

    • Prof. Nick Bishop (Professor of Paediatric Bone Disease);
    • Professor Fiona Lecky (Clinical Professor of Emergency Medicine);
    • Dr Amaka Offiah (Reader in Paediatric Musculoskeletal Imaging).

    Trauma and Audit Research Network (TARN):
    • Professor Fiona Lecky (Clinical Professor of Emergency Medicine).

    Northumbria University:
    • Professor Zabih Ghassemlooy (Head of Northumbria Communications Research Lab. and Optical Communications Research Group).

    Dr Saatchi has supervised many ERASMUS students from France, Germany, Austria, and Greece.

  • Publications

  • Other activities

    • Member of the Institution of Engineering and Technology (IET) since 1997.
    • External Examiner to degree courses at the University of West Indies.
    • External examiner to PhD studies nationally and internationally.
    • Reviewer of articles for publication for several IET and other journals.
    • Reviewed electronics related book for publication.
    • Acted as guest editor for electronics journals.
    • Organised international research symposia.
    • Consultancy, including Knowledge Transfer Programme.
    • Honorary member of staff as Electronic and Computer Engineer at Sheffield Children's Hospital.

  • Postgraduate supervision

    Current research supervision

    - Oseikhuemen O. D. Ojie (PhD, Full-Time, DoS), Thesis: ' Computerised accelerometry for human balance analysis', Start date: February 2017.
    - Muhammad Osman (MPhil, Full-Time DoS), Thesis: 'Developments in thermal Imaging diagnosis and monitoring of aponea', Start date October 2016.
    - Dr Hajar Razaghi (Post-Doctoral, Full-Time), Thesis: 'Development of vibration analysis techniques for bone density assessment', Start date September 2016.
    - Abdussalam Ahmad (PhD, Full-Time, DoS), Thesis: 'Development and evaluation of wireless mobile network quality of service approaches', Start date: March 2016.
    - Mohammad S. Almabrok Saleh, (PhD, Full-Time, DoS), Thesis: 'Artificial intelligence methods to predict trauma injury outcome for emergency department', Start data: June 2015. 
    - Harriet Nwaizu (PhD, Full-Time, DoS), Thesis: 'Development of inertia measurement and thermography techniques to monitor and diagnose arthritis', Start date: May 2014.
    - Tareq Abdulqader (PhD,part-time, DoS), thesis: ' Design of an ultrasound respiration rate monitoring system', Start date: February 2013.
    - Geetika Aggarwa (PhD, co-supervisor student registered at Northumbria University, thesis: 'Visible light communication for electroencephalography', Start date February 2015.

    Past research supervision

    - Hajar Razaghi (PhD, full-time, DoS, award date: June 2016), thesis: 'Digital vibration analysis developments for assessing bone fracture risk in children'.
    - Abdulkadir Hamidu Alkali (PhD, DoS, full-time, award date: February 2015), thesis: 'Design, development and evaluation of non-contact respiration rate monitoring devices'.
    - Aboagela Dogman, (PhD, DoS, full-time, award date: April 2014), thesis: 'Intelligent quality of service management of multimedia computer network'.
    - Shuja Ahmad (PhD, DoS, full-time, award date: April 2013), thesis: 'Development and evaluation of distributed vision processing algorithms in multi-robotic systems.'.
    - Farah.Q.A. Al-Khalidi (PhD, DoS, full-time, award date: March 2012), thesis: 'Development of thermal imaging techniques for respiration rate monitoring'.
    - Arual Selvan (PhD, DoS, part-time, award date: March 2012), thesis: 'Hierarchical clustering segmentation for cystic fibroses monitoring'
    - Kang Song Tan (PhD, DoS, full-time, award date: November 2011), thesis: 'Water bath facilitated ultrasound breast screening system'.
    - Kim Chuan Lim (PhD, DoS, full-time, award date: November 2009), thesis: 'Development of 3-D surface acquisition system using non-calibrated laser alignment techniques'.
    - W. A. F. W. B. Othman (PhD, co-supervisor, full-time, award date: February 2009), thesis: 'Formation and organisation in robot swarms '.
    - Aicha Said (MPhil, DoS, full-time, award date: September 2008), thesis: 'Intelligent quality of service routing for multimedia transmission over ad-hoc wireless networks'.
    - M. Boissenin (PhD, co-supervisor, full-time, award date: February 2008), thesis: 'Shape information using state-space to select a discriminative configuration of points'.
    - Mohammad Saraireh (PhD, DoS, full-time, award date: October 2007), thesis: 'Medium access control mechanisms for quality of service in wireless networks'.
    - Yazeed Al-Sbou (PhD, DoS, full-time, award date: December 2007), thesis: ' Quality of service assessment and analysis of wireless multimedia networks'.
    - Arual Selvan (MPhil, DoS, part-time, award date: March 2007), thesis: 'A modular framework for the segmentation of digital images useful in clinical applications'.
    - T. Alexacke (PhD, co-supervisor, full-time, award date: January 2005), thesis: 'Analysis of electrocardiogram waveforms for detecting hypoglycaemia'.
    - Nawruz Aldabiat (PhD, co-supervisor, full-time, award date: April 2002), thesis: 'Dual header pulse interval modulation for optical wireless communication networks'.
    - Laurence Vigon (PhD, DoS, full-time, award date: May 2002), thesis: 'Independent component analysis techniques for EEG'.
    - Christopher Gibson (PhD, DoS, full-time, award date: June 2000), thesis, 'Joint time-frequency analysis and filtering of single trial event-related '.
    - R. Reyher (MPhil, co-supervisor, full-time, award date: December 1995), thesis, 'Optical pulse interval code modulation and pulse interval width code modulation scheme'.
    - David Anderson (PhD, co-supervisor, full-time, award date: November 1994), thesis, 'Laser induced emission spectrometry for rapid elemental analysis'.

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