Plexar Associates, Inc.

Tip Imaging, LLC

Other

David P Rohler

Arjun K Maniyedath

Steven H Izen

Thomas L Toth

Amy F Fagan

Timothy J Bencic

Thomas E Dechant

Michelle F Boasten

A tomography duct for wind tunnels includes a plurality of light sources and sensors displaced around a support structure. The light sources are cycled and sensor measurements are made from sensors opposite the light sources. Tomographic algorithms are used to determine an extinction map from the sensor measurements. The extinction map provides details about particles in a cross-section of the air flow through the tomography duct.

Light extinction tomography for measurement of ice crystals and other small particles

Evaluating dose performance of a radiographic imaging system with respect to image quality using a phantom, a channelized hotelling observer module as a model observer, and a printer, a plaque, or an electronic display includes scanning and producing images for a plurality of sections of the phantom using the radiographic imaging system, wherein the plurality of sections represent a range of patient sizes and doses and wherein the sections of the phantom contain objects of measurable detectability. Also included is analyzing the images to determine detectability results for one or more of the contained objects within the images of the plurality of sections of the phantom, wherein the analyzing includes using a channelized hotelling observer (CHO) module as a model observer; and displaying, via the printer, the plaque, or the electronic display, a continuous detectability performance measurement function using the determined detectability results.

Methods and apparatus for extended low contrast detectability for radiographic imaging systems

Systems and methods for determining an extended low contrast detectability performance function for an operating range for a core operating mode of a radiographic imaging system using actual reconstructed images characterize the contrast performance of a radiographic imaging system over its operating range and for any patient size based on the off-line calibration, uses ordered pairs of flux index and contrast index for each scanned object to provide a contrast index for each protocol for each contrast set, and uses the ordered pairs of flux index and contrast index to determine an extended low contrast detectability performance function for the operating range of a radiographic imaging system. Extended low contrast detectability performance data compilation and methods of clinical use, and low contrast phantom configurations and methods of calibration are also disclosed.

Extended low contrast detectability for radiographic imaging systems

A document information system and a computer implemented method for use in the field of home healthcare, post-acute clinical care, hospice and home infusion comprising a data storage means, phone interface means for inputting and retrieving data and a verification means using one or more calendars to verify medical tasks.

Phone-assisted clinical document information computer system for use in home healthcare, post-acute clinical care, hospice and home infusion applications

Growing community of inventors

Shaker Heights, OH, United States of America

David P Rohler