[PDF] Top 20 Comparing Shape and Image Reconstruction in Electrical Capacitance Tomography

... number, shape, size and, perhaps, contrast of a collection of anomalous ...permittivity reconstruction is reformu- lated to a special geometrical representation of the ...ECT reconstruction is ... See full document

... Electrical capacitance tomography (ECT) is an industrial flow imaging technique which has been fast developed in recent ...measured capacitance and permittivity distribution , soft-field ... See full document

... spare reconstruction (CS-GPSR) is applied to electrical capacitance tomography (ECT) image reconstruction in this ...the capacitance measurements and corresponding ... See full document

... iterative image reconstructions have been applied to solve the ill-posed inverse problem on electrical capacitance tomography for gas-solid two- phase flow namely LBP, Landweber and ...the ... See full document

... Electrical capacitance tomography (ECT) is one kind of process tomography techniques which was developed during the late 1980s [1, ...of image reconstruction for ECT is to ... See full document

... For ECT, the common installation of sensor is mounted outside the pipe [19, 20]. The sensors do not directly contact with the materials inside the pipe. ECT is a non-invasive and non-intrusive measurement technique. ... See full document

... are capacitance values proportional to the permittivity change ...and capacitance variation which changes with change in permittivity, it is concluded that such a sensor can be a suitable option for bone ... See full document

... Twelve electrodes ECT sensor was constructed, as this number will produce better and adequate data for image reconstruction. These electrodes were connected directly to capacitance detection circuit ... See full document

... popular image reconstruction algorithm is called the Linear Back Projection (LBP) ...of image from LBP reconstructing algorithm, fitting of normalized capacitance measurement data is often ... See full document

... inter-electrodes capacitance by applying multiple excitation signals [10], the CMOS circuit design of capacitance sensor for detecting changes of capacitance due to the incidence of particles or ... See full document

... Process Tomography is a technique of obtaining images of a cross section of an industrial process, for example, a multi-phase flow in an oil pipeline, so that the internal behavior can be investigated ...Process ... See full document

... the reconstruction algorithm, without the need of series of sequential memory ...FPGA-based Electrical Impendence Tomography (EIT) system was disclosed in ...the image reconstruction ... See full document

... the capacitance measures only charged /discharged once in a measurement ...cross-sectional image of the distribution electricity transparency to conduct measurement of a non-electric ...measured ... See full document

... Gauss-Newton reconstruction algorithm was used, another approach that is not yet commercially available and is largely confi ned to academia, yielding an image error of approximately 10% although this ... See full document

... process tomography which is the combination of dual modality; electrical capacitance and optical tomography for monitoring solid/gas flow ...Modality Tomography (DMT) system consists of ... See full document

... size, shape and colour of the bubbles, whereas dynamic monitoring perceives the size distribution, number, rate and stability of the ...x-y). Image analysis of the processes can describe the properties of ... See full document

... (3) image reconstruction algorithms. In capacitance tomography, most of the efforts to enhance image resolution have been by far focused on the third component ...state-of-the-art ... See full document

... of reconstruction error. A direct method for comparing two images is to take the norm of the difference of conductivities at sample points across the ...are comparing images reconstructed on ... See full document

... The development of EMT together with ECT and ERT provide three fundamental electrical tomography techniques based on the measurement of resistance, capacitance and now inductance; collec[r] ... See full document

... The standard terms of pixels and voxels are widely used to represent the basicmeasurements of a picture. Pixels were defined as an element that has two dimensions, the horizontal dimension representing the element’s ... See full document