Mr. Mohammad Hamed Izadi Profile

Mohammad Hamed Izadi

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Author

Publications (8)

Proceedings Article | 23 March 2010 Paper

Performance of a prototype amorphous silicon active pixel sensor array using a-Se for direct x-ray conversion

M. Izadi, O. Tousignant, M. Mokam, M. Yazdandoost, N. Safavian, H. Mani, L. Laperriere, K. Karim

Proceedings Volume 7622, 76223V (2010) https://doi.org/10.1117/12.845528

KEYWORDS: X-rays, Sensors, Imaging systems, Amorphous silicon, Signal to noise ratio, Prototyping, X-ray imaging, Amplifiers, Modulation transfer functions, Active sensors

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Proceedings Article | 23 March 2010 Paper

Electronic noise comparison of amorphous silicon current mode and voltage mode active pixel sensors for large area digital x-ray imaging

Dali Wu, Nader Safavian, Mohammad Yazdandoost, Mohammad Hadi Izadi, Karim Karim

Proceedings Volume 7622, 76223Q (2010) https://doi.org/10.1117/12.845561

KEYWORDS: Amorphous silicon, Amplifiers, Sensors, Interference (communication), Active sensors, Transistors, Capacitance, Capacitors, Electrons, Surgery

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Proceedings Article | 22 March 2010 Paper

Investigation of gain non-uniformities in the two TFT current programmed amorphous silicon active pixel sensor for fluoroscopy, chest radiography, and mammography tomosynthesis applications

Nader Safavian, M. Yazdandoost, D. Wu, M. Izadi, K. Karim, J. Rowlands

Proceedings Volume 7622, 76221N (2010) https://doi.org/10.1117/12.845592

KEYWORDS: Amplifiers, Fluoroscopy, Sensors, X-rays, Amorphous silicon, Active sensors, Temperature metrology, Mammography, Computer programming, Chest

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Proceedings Article | 16 March 2009 Paper

Characterization of bias induced metastability of amorphous silicon thin film transistor based passive pixel sensor switch and its impact on biomedical x-ray imaging application

Afrin Sultana, N. Safavian, M. Izadi, K. Karim, J. Rowlands

Proceedings Volume 7258, 72583Q (2009) https://doi.org/10.1117/12.812282

KEYWORDS: Imaging systems, Sensors, Switches, Biomedical optics, Amorphous silicon, X-ray imaging, Proteins, Thin films, Transistors, Crystallography

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Proceedings Article | 13 March 2009 Paper

Characterization of current programmed amorphous silicon active pixel sensor readout circuit for dual mode diagnostic digital x-ray imaging

Nader Safavian, M. Yazdandoost, D. Wu, A. Sultana, M. Izadi, K. Karim, A. Nathan, J. Rowlands

Proceedings Volume 7258, 725815 (2009) https://doi.org/10.1117/12.813886

KEYWORDS: Computer programming, X-rays, Sensors, Amorphous silicon, Imaging systems, Capacitors, Capacitance, Active sensors, Transistors, Signal to noise ratio

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Proceedings Article | 8 June 2007 Paper

Noise optimization of an active pixel sensor for real-time digital x-ray fluoroscopy

M. Izadi, K. Karim

Proceedings Volume 6600, 66000Y (2007) https://doi.org/10.1117/12.717545

KEYWORDS: Amplifiers, Transistors, Capacitance, Sensors, Active sensors, X-rays, Fluoroscopy, Amorphous silicon, Signal to noise ratio, Imaging systems

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Proceedings Article | 2 March 2006 Paper

Low-noise pixel architecture for advanced diagnostic medical x-ray imaging applications

M. Izadi, K. Karim, A. Nathan, J. Rowlands

Proceedings Volume 6142, 61420T (2006) https://doi.org/10.1117/12.654900

KEYWORDS: Amplifiers, Sensors, Amorphous silicon, Electrons, Transistors, Capacitance, Imaging systems, X-ray imaging, Fluoroscopy, Data modeling

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Proceedings Article | 6 February 2006 Paper

Noise analysis of fault tolerant active pixel sensors with and without defects

Michelle La Haye, Cory Jung, Mohammad Izadi, Glenn Chapman, Karim Karim

Proceedings Volume 6068, 606804 (2006) https://doi.org/10.1117/12.643453

KEYWORDS: Transistors, Signal to noise ratio, Amplifiers, Photodiodes, Sensors, Interference (communication), Active sensors, Imaging systems, Resistors, Standards development

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Showing 5 of 8 publications

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