Ultrasound estimates of muscle quality in older adults: reliability and comparison of Photoshop and ImageJ for the grayscale analysis of muscle echogenicity
Background. Quantitative diagnostic ultrasound imaging has been proposed as a method of estimating muscle quality using measures of echogenicity. The Rectangular Marquee Tool (RMT) and the Free Hand Tool (FHT) are two types of editing features used in Photoshop and ImageJ for determining a region of...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
PeerJ Inc.
2016-02-01
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Series: | PeerJ |
Subjects: | |
Online Access: | https://peerj.com/articles/1721.pdf |