Energy bin event counting system
AssigneeAnalog Devices, Inc.
InventorsGregory T. Koker, Matthew A. Woodruff
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Abstract
One embodiment is a method for binning charge events in a photon-counting CT scanning system comprising a plurality of discriminators, wherein each discriminator is associated with a respective one of a plurality of threshold voltage levels, the method comprising detecting a transition in a signal output from one of the discriminators; and incrementing a count corresponding to the threshold voltage level associated with the one of the discriminators only if the detected discriminator output signal transition was immediately preceded by an opposite transition in the discriminator output signal.
Claims20
A method for binning charge events, comprising:
- detecting a transition in a signal output from a first discriminator of a plurality of discriminators in a photon-counting computed-tomography (CT) scanning system, wherein each discriminator of the plurality of discriminators is associated with a respective one of a plurality of threshold voltage levels;
- and
- incrementing a count corresponding to the threshold voltage level associated with the first discriminator only if the detected transition in the signal output from the first discriminator was immediately preceded by an opposite transition in the signal output by the first discriminator.
A photon-counting computed-tomography (CT) scanning system comprising:
- a plurality of discriminators, wherein each discriminator of the plurality of discriminators is associated with a respective one of a plurality of threshold voltage levels;
- and
- counting circuitry configured to:
- receive an output signal from each discriminator of the plurality of discriminators;
- detect a transition in a first output signal of output signals received from a first discriminator of the plurality of discriminators;
- and
- increment a count associated with the threshold voltage level associated with the first discriminator only if the detected transition was immediately preceded by an opposite transition in the first output signal.
Dependencies are inferred from the claim text.