Web27 jun. 2024 · STD: Another homogeneity index 11 $$ {STD}= { {\rm {D}}}_ { {\rm {SD}}}=\sqrt {\sum _ {i} [ { ( {D}_ {i}- {D}_ {mean})}^ {2}\times \frac { {V}_ {i}} {V}]}$$ (3) … Web9 dec. 2024 · The formula for homogeneity, completeness, and V-measure can be found in this article’s Appendix (Fig 5). When to use V-measure You want interpretability: V-measure is intuitive and easy to understand in terms of homogeneity and completeness.
What is the homogeneity index? - Studybuff
WebHow is the homogeneity index determined? 1. Definition Determination of the homogeneity index allows simple and clear illustration and comparison of different steam distribution systems and provides comprehensive information about the quality of homogeneous steam distribution. Web2 okt. 2024 · Homogeneity Index (HI) is an objective tool to analyz the uniformity of dose distribution in the target volume. Various formulae have been described in literature for … rt9h301p-t111-1
Homogeneity Index: An objective tool for assessment of …
Web13 sep. 2024 · Conformity index was calculated using the following formula: volume of reference isodose (95%) divided by the PTV volume, and homogeneity index was … Web1 sep. 2024 · Different formulas can be used for calculating the CI: (1) CI RTOG = V RI /TV 4, where V RI is volume of reference isodose and TV is target volume; (2) CI = TV RI /V RI, developed by Lomax et al 5 is the healthy tissue CI, where TV RI is target volume covered by reference isodose; (3) conformity number (CN) = (TV RI) 2 / (TV*V RI ), developed by … Web17 sep. 2024 · The Homogeneity index (HI) and the Conformity index (CI) are two tools for analysis of treatment plans in the conformal radiotherapy. However, different definitions and formulas have been described by various authors and organizations, but none has been described as an ideal or near ideal for calculating the Homogeneity index [ 3 , 4 ]. rt99 career launcher