Radiation Watch Limited

Trevor McAlister

David Jeremy Prendergast

Michael John Anderson

Wayne Cranwell

William Croydon

Zhuo Zhhang

Paul Downes

Christopher Boyce

An apparatus for spatially correcting an image frame is disclosed. In some embodiments, the apparatus stores a frame of pixel values and scans a multi-pixel correction window across the frame. Spatial correction is performed on pixels within the window at correction positions during the scan. The spatial correction comprises estimating pixel values at value estimation positions based on one or more pixel values within the window for pixels satisfying a logical condition. The value estimation positions correspond to pixel values which do not fall within the window again during the scan. Further disclosed is an apparatus for detecting high-energy radiation, in which integration circuitry is used for integrating charge responsive to radiation photon interaction events. The circuits are controllable in accordance with an exposure control signal to vary an exposure window duration according to an operating parameter of the apparatus.

Apparatus and method for detecting high-energy radiation

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East Cowes, United Kingdom

Trevor McAlister