[go: up one dir, main page]

Keelan et al., 2004 - Google Patents

Relative impact of detector noise and anatomical structure on lung nodule detection

Keelan et al., 2004

Document ID
13170627652883709589
Author
Keelan B
Topfer K
Yorkston J
Sehnert W
Ellinwood J
Publication year
Publication venue
Medical Imaging 2004: Image Perception, Observer Performance, and Technology Assessment

External Links

Snippet

A four-alternative forced-choice experiment was conducted to investigate the relative impact of detector noise and anatomical structure on detection of subtle lung nodules. Sets of four independent backgrounds from each of three regions (heart, ribs, and lung field between the …
Continue reading at www.spiedigitallibrary.org (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating devices for radiation diagnosis
    • A61B6/582—Calibration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/001—Image restoration
    • G06T5/002—Denoising; Smoothing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/50—Clinical applications

Similar Documents

Publication Publication Date Title
Suetens Fundamentals of medical imaging
Martin Optimisation in general radiography
Dobbins III Image quality metrics for digital systems
Bacher et al. Dose reduction in patients undergoing chest imaging: digital amorphous silicon flat-panel detector radiography versus conventional film-screen radiography and phosphor-based computed radiography
US7092581B2 (en) Balancing areas of varying density in a digital image
Seibert Tradeoffs between image quality and dose
Marshall et al. Measurements of system sharpness for two digital breast tomosynthesis systems
Monnin et al. Image quality assessment in digital mammography: part II. NPWE as a validated alternative for contrast detail analysis
US20090041193A1 (en) Dose reduced digital medical image simulations
CN103796587B (en) Calibration-free dual-energy radiography method
Stewart et al. Single‐exposure dual‐energy computed radiography
EP2002397A1 (en) Noise reduction in dual-energy x-ray imaging
Salvagnini et al. Effective detective quantum efficiency for two mammography systems: measurement and comparison against established metrics
Elhamiasl et al. Low-dose x-ray CT simulation from an available higher-dose scan
Keelan et al. Relative impact of detector noise and anatomical structure on lung nodule detection
Kobayashi et al. A blurring correction method suitable to analyze quantitative x-ray images derived from energy-resolving photon counting detector
Moore et al. An investigation of automatic exposure control calibration for chest imaging with a computed radiography system
Moore et al. Correlation between the signal-to-noise ratio improvement factor (KSNR) and clinical image quality for chest imaging with a computed radiography system
Moore et al. Automatic exposure control calibration and optimisation for abdomen, pelvis and lumbar spine imaging with an Agfa computed radiography system
Annemari Design of a universal phatom for Quality Assurance in Diagnostic Radiology x-ray imaging
Close et al. Regularization method for scatter‐glare correction in fluoroscopic images
Rill et al. Evaluating radiographic parameters for mobile chest computed radiography: phantoms, image quality and effective dose
Marshall et al. Investigation of test methods for QC in dual-energy based contrast-enhanced digital mammography systems: II. Artefacts/uniformity, exposure time and phantom-based dosimetry
Ji et al. An experimental method to directly measure DQE $(k) $ at k= 0 for 2D x-ray imaging systems
Liu et al. Effects of exposure equalization on image signal‐to‐noise ratios in digital mammography: A simulation study with an anthropomorphic breast phantom