RT Journal Article
T1 Use of the cross-correlation component of the multiscale structural similarity metric (R metric) for the evaluation of medical images
A1 Prieto Renieblas, Gabriel
A1 Guibelalde Del Castillo, Eduardo
A1 Chevalier Del Río, Margarita
A1 Turrero Nogués, Agustín
AB Purpose: The aim of the present work is to analyze the potential of the cross-correlation component of the multiscale structural similarity metric (R*) to predict human performance in detail detection tasks closely related with diagnostic x-ray images. To check the effectiveness of R, the authors have initially applied this metric to a contrast detail detection task. Methods: Threshold contrast visibility using the R* metric was determined for two sets of images of a contrast-detail phantom (CDMAM). Results from R and human observers were compared as far as the contrast threshold was concerned. A comparison between the R* metric and two algorithms currently used to evaluate CDMAM images was also performed. Results: Similar trends for the CDMAM detection task of human observers and R* were found in this study. Threshold contrast visibility values using R* are statistically indistinguishable from those obtained by human observers (F-test statistics: p > 0.05). Conclusions: These results using R* show that it could be used to mimic human observers for certain tasks, such as the determination of contrast detail curves in the presence of uniform random noise backgrounds. The R* metric could also outperform other metrics and algorithms currently used to evaluate CDMAM images and can automate this evaluation task.
PB American Association of Physicists in Medicine
SN 0094-2405
YR 2011
FD 2011-08
LK https://hdl.handle.net/20.500.14352/44637
UL https://hdl.handle.net/20.500.14352/44637
LA eng
NO Prieto, G., Cguibelalde, E., Chevalier Del Río, M. & Turrero Nogués, A. et al. «Use of the Cross‐correlation Component of the Multiscale Structural Similarity Metric (R* Metric) for the Evaluation of Medical Images». Medical Physics, vol. 38, n.o 8, agosto de 2011, pp. 4512-17. DOI.org (Crossref), https://doi.org/10.1118/1.3605634.
DS Docta Complutense
RD 6 jul 2025