A61B6/4233

IMAGERS IN RADIATION THERAPY ENVIRONMENT
20230083536 · 2023-03-16 ·

An imager includes: an array of imager elements configured to generate image signals based on radiation received by the imager; and circuit configured to perform readout of image signals, wherein the circuit is configured to be radiation hard. An imager includes: an array of imager elements configured to generate image signals based on the radiation received by the imager; and readout and control circuit coupled to the array of imager elements, wherein the readout and control circuit is configured to perform signal readout in synchronization with an operation of a treatment beam source.

RADIOGRAPHIC IMAGING SYSTEM

A radiographic imaging system includes an irradiating apparatus, a first clock, a radiographic imaging apparatus, a second clock and a hardware processor. The irradiating apparatus generates radiation. The first clock keeps time and works with the irradiating apparatus. The radiographic imaging apparatus generates image data based on received radiation. The second clock keeps time and works with the radiographic imaging apparatus. The hardware processor (i) obtains a clock value of the first clock at a predetermined time point and a clock value of the second clock at the predetermined time point respectively as first clock information and second clock information, (ii) makes a determination as to whether a specific condition is met based on the obtained first clock information and the obtained second clock information, and (iii) in response to the specific condition being met, performs a specific output.

Imagers in radiation therapy environment

An imager includes: an array of imager elements configured to generate image signals based on radiation received by the imager; and circuit configured to perform readout of image signals, wherein the circuit is configured to be radiation hard. An imager includes: an array of imager elements configured to generate image signals based on the radiation received by the imager; and readout and control circuit coupled to the array of imager elements, wherein the readout and control circuit is configured to perform signal readout in synchronization with an operation of a treatment beam source.

METHOD AND APPARATUS FOR PARTIAL VOLUME IDENTIFICATION FROM PHOTON-COUNTING MACRO-PIXEL MEASUREMENTS
20230083935 · 2023-03-16 · ·

An apparatus and method to obtain input projection data based on radiation detected at a plurality of detector elements, reconstruct plural uncorrected images in response to applying a reconstruction algorithm to the input projection data, segment the plural uncorrected images into two or more types of material-component images by applying a deep learning segmentation network, generate output projection data corresponding to the two or more types of material-component images based on a forward projection, generate corrected multi material-decomposed projection data based on the generated output projection data corresponding to the two or more types of material-component images, and reconstruct the multi material-component images from the corrected multi material-decomposed projection data to generate one or more corrected images. In some embodiments, the plural uncorrected images are segmented into three or more types of material-component images by applying a deep learning segmentation network and beam hardening correction is performed for the three or more materials.

Barrier envelope dispenser

A dispenser of barrier envelopes is formed of a pair of selectively interlocking open-top box-like structures. When interlocked, the pair of structures forms an interior chamber that is configured to store and protect one or more barrier envelopes inside from external contaminants such as viruses, bacteria and/or fungi. The dispenser of barrier envelopes includes a through opening for the purpose of dispensing the one or more envelopes to a user, and a spring in its interior chamber for directing the one or more envelopes toward the through opening.

Dead Detector Element Detection
20230079742 · 2023-03-16 ·

A method comprises: performing training and testing of an initial machine model to create a final machine model, wherein the training and testing use focal loss; performing detection of dead detector elements in a digital detector of a second digital radiographic (DR) imaging system using the final machine model; and determining whether to replace or keep the digital detector based on the detection. An apparatus comprises: a memory; and a processor coupled to the memory and configured to: perform training and testing of an initial machine model to create a final machine model, wherein the training and testing use focal loss; perform detection of dead detector elements in a digital detector of a second digital radiographic (DR) imaging system using the final machine model; and determine whether to replace or keep the digital detector based on the detection.

X-ray tomography
11602315 · 2023-03-14 · ·

An x-ray tomography system which can generate a qualitative 3D image of a region of interest using a an x-ray source, the x-ray source configured to emit x-ray radiation at the region of interest. The x-ray radiation or the x-ray source or the relative position of the x ray source configured to be moved in a two dimensional plane. An x-ray detector including a plurality of detector elements arranged in a two dimensional plane opposite the x-ray source, the x-ray detector configured to detect x-ray radiation after attenuation by the subject and provide an indication of the detected x-rays. And a processor configured to receive the indication of the detected x-rays and resolve the detected x-ray radiation into a three dimensional image. The three dimensional image is qualitative in nature.

RADIOGRAPHING APPARATUS
20230125648 · 2023-04-27 ·

An X-ray imaging apparatus includes a sensor panel that converts incident radiation to an electric signal, a tabular metallic base plate including a front surface where the sensor panel is supported and a region where the tabular metallic base plate has a basic thickness, a circuit board disposed on a rear surface of the tabular metallic base plate, the rear surface being opposite to the front surface, wherein a thickness of the tabular metallic base plate in a region where the circuit board is disposed is larger than the basic thickness.

IMAGE PROCESSING APPARATUS, RADIATION IMAGING SYSTEM, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE MEDIUM
20230070520 · 2023-03-09 ·

Provided is an imaging processing apparatus including a first correcting unit configured to correct, in a case where a first pixel group continuing to a first defect pixel in an image includes a second defect pixel, a value of the second defect pixel by using values of a second pixel group continuing to the second defect pixel, and a second correcting unit configured to correct a value of the first defect pixel by using values of the first pixel group including a value corrected by the first correcting unit.

Imaging with curved compression elements

A curved compression element, such as a breast compression paddle, and imaging systems and methods for use with curved compression elements. A system may include a radiation source, a detector, and a curved compression element. Operations are performed that include receiving image data from the detector; accessing a correction map for the at least one compression paddle; correcting the image data based on the correction map to generate a corrected image data; and generating an image of the breast based on the corrected image data. The breast compression element generally has no sharp edges, but rather has smooth edges and transitions between surfaces. The breast compression paddle also includes a flexible material that spans a portion of a curved bottom surface of the breast compression paddle to define a gap. The flexible material may be a thin-film material such as a shrink wrap.