Process tomography: Difference between revisions
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'''Process tomography''' consists of tomographic imaging of systems, such as process pipes in industry. In tomography the three dimensional distribution of some physical quantity in the object is determined. There is a widespread need to get tomographic information about process. This information can be used e.g. in design and control of processes. |
'''Process tomography''' consists of [[tomography|tomographic]] imaging of systems, such as process pipes in industry. In tomography the three dimensional distribution of some physical quantity in the object is determined. There is a widespread need to get tomographic information about process. This information can be used e.g. in design and control of processes. |
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Tomography involves taking measurements around the periphery of an object (eg process vessel or patient) to determine what is going on inside. |
Tomography involves taking measurements around the periphery of an object (eg process vessel or patient) to determine what is going on inside. |
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Many different imaging methods are used in process tomography, e.g. ultrasonic imaging, positron emission tomography (PET), [[electrical resistance tomography]] (ERT) and electrical impedance tomography (EIT). In all cases external sensors are used to detect signals from boundary of the object, and the three dimensional material distribution or the velocity field is computed using the measured data. |
Many different imaging methods are used in process tomography, e.g. ultrasonic imaging, positron emission tomography (PET), [[electrical resistance tomography]] (ERT) and electrical impedance tomography (EIT). In all cases external sensors are used to detect signals from boundary of the object, and the three dimensional material distribution or the velocity field is computed using the measured data. |
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Revision as of 16:25, 6 February 2007
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Process tomography consists of tomographic imaging of systems, such as process pipes in industry. In tomography the three dimensional distribution of some physical quantity in the object is determined. There is a widespread need to get tomographic information about process. This information can be used e.g. in design and control of processes.
Tomography involves taking measurements around the periphery of an object (eg process vessel or patient) to determine what is going on inside.
The best known technique is CAT scanning in medicine, however process tomography instrumentation needs to be cheaper, faster and more robust.
Many different imaging methods are used in process tomography, e.g. ultrasonic imaging, positron emission tomography (PET), electrical resistance tomography (ERT) and electrical impedance tomography (EIT). In all cases external sensors are used to detect signals from boundary of the object, and the three dimensional material distribution or the velocity field is computed using the measured data.