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- W2081967341 abstract "The multiwire camera (MWC) produces high speed, quantitative autoradiography of radiolabelled substances in two-dimensional systems. While greatly superior to film-based systems in respect of speed and quantitativity the MWC has significantly poorer spatial resolution (particularly for high energy beta-emitting radiolabels) and the performance is ultimately limited by the noise induced in the images by Poisson statistics and counter background. Processing the MWC images with a maximum entropy algorithm significantly improves the performance of the system in these respects. The algorithm has been tested using one-dimensional data taken from images of known tritium, 14C and 125I distributions. Processed images are visually more acceptable with improved quantitative accuracy and spatial resolution. Quantitative accuracy, calculated as the root mean square deviation between an image and the known sample activities, is 10-40% lower for processed images compared with original camera images." @default.
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- W2081967341 date "1988-12-01" @default.
- W2081967341 modified "2023-09-25" @default.
- W2081967341 title "The enhancement of radiographic images from a multiwire camera using a maximum entropy algorithm" @default.
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- W2081967341 doi "https://doi.org/10.1088/0031-9155/33/12/003" @default.
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