18317173. RADIATION IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROL METHOD FOR RADIATION IMAGING APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND SIGNAL PROCESSING APPARATUS simplified abstract (CANON KABUSHIKI KAISHA)

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RADIATION IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROL METHOD FOR RADIATION IMAGING APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND SIGNAL PROCESSING APPARATUS

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

Satoshi Kamei of Tokyo (JP)

Katsuro Takenaka of Saitama (JP)

RADIATION IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROL METHOD FOR RADIATION IMAGING APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND SIGNAL PROCESSING APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18317173 titled 'RADIATION IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROL METHOD FOR RADIATION IMAGING APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND SIGNAL PROCESSING APPARATUS

Simplified Explanation

The patent application describes a radiation imaging apparatus that includes pixels with conversion and switch elements, a signal line, a readout circuit, and a processor. The readout circuit performs two operations during radiation exposure - reading out a signal when the switch element of each pixel is in a non-conduction state and reading out a signal when the switch element of a specific pixel is in a conduction state. The processor corrects the second signal value using the first signal value.

  • The radiation imaging apparatus includes pixels with conversion and switch elements.
  • A signal line is used to supply signals from the pixels.
  • A readout circuit reads out signals from the signal line.
  • The readout circuit performs two operations - reading out signals with switch elements in a non-conduction state and in a conduction state.
  • A processor corrects the second signal value using the first signal value.

Potential Applications

  • Medical imaging devices, such as X-ray machines and CT scanners.
  • Industrial inspection systems for detecting defects or analyzing materials.
  • Security scanners for screening baggage or cargo.

Problems Solved

  • Improved image quality by correcting signal values.
  • Efficient use of the readout circuit by performing different operations.
  • Enhanced accuracy in radiation imaging.

Benefits

  • Higher quality and more accurate radiation images.
  • Increased efficiency in reading out signals.
  • Improved performance and reliability of radiation imaging devices.


Original Abstract Submitted

A radiation imaging apparatus including pixels each including a conversion element and a switch element, a signal line to which signals are supplied from the pixels, a readout circuit reading out a signal supplied to the signal line and a processor processing a signal read out by the readout circuit, is provided. The readout circuit performs, during irradiation with radiation, a first operation of reading out a signal while the switch element of each of the pixels is in a non-conduction state and a second operation of reading out a signal while the switch element of a predetermined pixel of the pixels is in a conduction state. The processor corrects a second signal value of a signal read out by the second operation by using a first signal value of a signal read out by the first operation.