Imaging Science Session

DIAGNOSTIC RADIOGRAPHY · NTA LEVEL 4 · SEMESTER ONE

CRT04105 · Radiographic Imaging Sciences

Study Imaging Science Session using the sections below. Use the topic navigation to continue through Radiographic Imaging Sciences.

Image acquisition elements

Radiographic film (film construction)
Intensifying screen types
Characteristics,
Cassettes,
Types of chemicals,
Processing tanks, (Types of processing system)

Darkroom layout, safe light, film storage

Demonstrate skills in manual image processing

Load and unloading cassette,
Naming film,
Developing image

sorting

Describe film characteristics

Sensitometry,
Film latitude,
Image density,
Contrast details,
Sharpness,
Resolution,
Distortion,

Artefacts)

Outline advantages and disadvantages of chemical film processing

Explain human risk associated with the use of chemical image processing

Explain images problems associated with the use of chemicals (Fog, under and over development, artifacts, increase cost due to film/chemical waste) Explain patient problems associated with the use of chemical processing (wrong diagnosis, repeat images, excessive dose to patients, time wastage)

Distinguish automatic against computed radiography imaging processing

Describe procedures of automatic and computed radiography image processing

Describe quality assessment of images processed in automatic and computed radiography Enumerate advantages and disadvantages of automatic and computed radiography image processing Describe image communication mechanisms in automatic and computed radiography system

Distinguish computed radiography and digital imaging

Outlined steps in digital Imaging

Outline advantages and disadvantages of digital imaging system

Conduct image quality control test

ID
Orientation,
Density,
Contrast,
Details,
Sharpness,
Resolution,

Distortion

Demonstrate procedures in

Pictured Archiving and Communication System (PACS)
Digital Imaging Communication in Medicine (DICOM) and

Radiology Information System (RIS)

DIGITAL SYSTEM CHALLENGES

List challenges of digital imaging in terms of equipment acquisition and maintenance
Outline user challenges in digital imaging

Explain ways of overcoming the challenges