Sentence examples for delineation uncertainty from inspiring English sources

Unfortunately, despite the anatomical information provided by CT, delineation uncertainty is still a key source of uncertainty in radiotherapy (van Herk 2004).

Delineation uncertainty certainly existed [ 24].

It is also important to note that no delineation uncertainty was considered in the margin calculations.

Markov Chain Monte Carlo sampling provided maximum posterior estimates of quantitative T2* and their uncertainty, allowing delineation of the stria of Gennari over the entire length and width of the calcarine sulcus.

There was also uncertainty in the delineation of the tumor, liver, and lung and registration errors between the diagnostic contrast examination and the attenuation scan on the SPECT.

The intrinsic variability that exists in the cases counting data for aggregated-area maps amounts to a corresponding uncertainty in the delineation of the most likely cluster found by methods based on the spatial scan statistics (3).

In addition to uncertainties in target delineation, precise and accurate quantification of PET/CT presents a challenge to radiotherapy planning of lung lesions.

Respiratory motion causes significant uncertainties in tumor delineation, radiotherapy (RT) dose calculations, and delivery, particularly in the case of thoracic tumors (e.g., lung, liver) [ 1].

Several studies have been published focussing on the geometric uncertainties in the delineation of the GTV; predominantly interdoctor variations but also intradoctor variations have been reported.

In a separate study, Persson et al. found that 4DCT artifacts caused significant uncertainties in the delineation of the gross tumor volume (GTV) in 16 out of 19 patients [ 7].

Uncertainty in DNAPL source delineation was found to have a large effect on the cost and probability of achieving remediation objectives for thermal source remediation.