Assessment of longitudinal beam property and contrast uniformity for ...

Mean CT numbers at the isocenter position (0 mm) were approximately as follows: for 256-row area detector computed tomography (ADCT): 120 HU at ...

Mean CT numbers at the isocenter position (0 mm) were approximately as follows: for 256‐row area detector computed tomography (ADCT): 120 HU at ...

and 320-row area detector computed tomography scanners in the ...

Assessment of longitudinal beam property and contrast uniformity for 256- and 320-row area detector computed tomography scanners in the 160-mm ...

and 320‐row area detector computed tomography scanners in the ...

Objective: This study aimed to measure the longitudinal beam properties and contrast uniformity of ADCT scanners in the 160-mm nonhelical volume ...

Assessment of longitudinal beam property and contrast uniformity for ...

Assessment of longitudinal beam property and contrast uniformity for 256‐ and 320‐row area detector computed tomography scanners in the 160‐mm nonhelical volume ...

(a) Photograph of the phantom used for longitudinal contrast ...

... longitudinal contrast uniformity assessment. (b) Cross‐section image of ... Assessment of longitudinal beam property and contrast uniformity for 256 ...

and 320-row area detector computed tomography scanners ... - X-MOL

Assessment of longitudinal beam property and contrast uniformity for ... Because the x‐ray property of patient longitudinal axis in ...

CT scanner automatic exposure control systems | Semantic Scholar

Assessment of longitudinal beam property and contrast uniformity for 256‐ and 320‐row area detector computed tomography scanners in the 160‐mm nonhelical ...

OpenURL Connection Search - EBSCO

Assessment of longitudinal beam property and contrast uniformity for 256‐ and 320‐row area detector computed tomography scanners in the 160‐mm nonhelical volume ...

Performance Evaluation of Computed Tomography Systems - AAPM

28 Such techniques, while established for conventional MTF measure- ments, are not recommended for ascribing the edge properties of low-contrast features when ...

Radiation exposure and projected risks with multidetector-row ...

Assessment of longitudinal beam property and contrast uniformity for 256- and 320-row area detector computed tomography scanners in the 160-mm nonhelical volume ...

Technical Note: Volumetric computed tomography for radiotherapy ...

This study aimed to measure the longitudinal beam properties and contrast uniformity of ADCT scanners in the 160-mm nonhelical volume-acquisition (NVA) mode and ...

Dose and Image Quality Evaluation of a Dedicated Cone-Beam CT ...

With a matched radiation dose, the CBCT system for sinus study has comparable high-contrast resolution and inferior low-contrast resolution relative to the MDCT ...

qualitative evaluation of headlamp beam-pattern - NET

It is possible that the greater exposure to nighttime driving leads to a more critical examination of the beam-pattern properties. Ratings of uniformity from ...

Evaluation of image quality for different kV cone-beam CT ...

Conclusions. Judged on parameters affecting the common diagnostic image properties, improved beam hardening and scatter correction diminishes the difference ...

CBCT Electron Density & Image Quality Phantom - CIRS

The Model 062MQA phantom provides a comprehensive tool that can be used for both electron density calibration and im- age quality assessment of Cone Beam CT ...

Comparison of pediatric lens scattered dose measurements ...

Assessment of longitudinal beam property and contrast uniformity for 256‐ and 320‐row area detector computed tomography scanners in the 160‐mm nonhelical ...

qualitative evaluation of headlamp beam-pattern

It is possible that the greater exposure to nighttime driving leads to a more critical examination of the beam-pattern properties. Ratings of uniformity from ...

Validating a low-cost laser speckle contrast imaging system ... - Nature

Furthermore, evaluating vascular function in the retina may serve as a useful proxy for assessing neurological health in patients with ...

Evaluation of imaging performance of megavoltage cone-beam CT ...

Minimum pixel resolution for analysis in the in-house software was 0.27 mm in the lateral and vertical axes, and 0.23 mm in the longitudinal axis. With regard ...