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Related Concept Videos

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

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Related Experiment Video

Updated: Jul 16, 2026

Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization
06:50

Troubleshooting FoCUS Image Acquisition: Patient Positioning, Transducer Manipulation, and Image Optimization

Published on: March 3, 2023

Ultrasound image compounding: effect on perceived image quality.

Charlotte Whatmough1, Javier Guitian, Elizabeth Baines

  • 1Department of Veterinary Clinical Sciences, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hertfordshire AL9 7TA, UK.

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
|March 28, 2007
PubMed
Summary

Ultrasound image compounding significantly enhances perceived image quality. Compound ultrasound images, particularly those using combined spatial compounding and vector or curvilinear transducers, were rated superior by observers.

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Area of Science:

  • Medical Imaging
  • Ultrasound Technology
  • Image Processing

Background:

  • Perceived image quality is crucial for accurate ultrasound diagnostics.
  • Image compounding techniques aim to improve ultrasound image fidelity by combining multiple acquisitions.

Purpose of the Study:

  • To evaluate the impact of various image compounding functions on perceived ultrasound image quality.
  • To compare the effectiveness of different spatial compounding methods and transducer types.

Main Methods:

  • Eighty-four pairs of ultrasound images were acquired using identical settings except for compounding parameters.
  • Four independent observers assessed image quality, selecting the superior image from each pair.
  • Logistic regression analysis was employed to analyze observer judgments.

Main Results:

  • Compound ultrasound images were judged superior to non-compound images in 69% of cases (P < 0.001).
  • Combined transmit/receive spatial compounding yielded better results than receive-only or transmit compounding.
  • Vector and curvilinear transducers showed greater benefit from compounding than linear transducers.

Conclusions:

  • Image compounding is a valuable technique for enhancing ultrasound image quality.
  • Improved border definition and signal-to-noise ratio were key factors contributing to perceived quality improvements.
  • Specific compounding strategies and transducer types offer superior performance.