Sentence examples for ill-defined boundaries from inspiring English sources

However, these ill-defined boundaries for headache features may confuse CDSS and thus inconsistent output may arise.

To use the hackneyed ape-to-human transition as an example, the definition of both "ape" and "human" are arbitrary ones with ill-defined boundaries.

In the interpretation of medical images, from any imaging modality, segmentation is a difficult task because of issues such as spatial resolution, poor contrast, ill-defined boundaries, noise, or acquisition artefacts [12, 13].

Through the years, tensions over the two nations' ill-defined boundaries have festered, with frequent reports of Chinese incursions and a recently-released Chinese map including the Indian state of Arunachal Pradesh as Chinese territory.

In cases of RPE detachment, a sharp bordered, oval structure was observed, which showed slightly increased NIR towards its relatively ill-defined boundaries.

However, enamel defects are often of irregular shape and frequently have ill-defined boundaries presenting difficulties in accurate quantification by manual techniques.

The puppy's arrival acted as a catalyst to sort out an ill-defined boundary.

The infiltrative nature of malignant tumors generate an irregular pattern of impedance discontinuities, which results irregular, spiculated or ill-defined boundary in breast ultrasound images.

In the dysplastic cortex, MAP2 highlighted the ill-defined boundary between the gray and white matter with prominent, horizontally orientated neurons in the immediate subcortical region (Fig. 2O) in contrast to a sharper gray-white boundary in the adjacent normal cortex (Fig. 2P).

As illustrated in Fig.  5, a positive immunofluorescent signal corresponding to MMP-2 was found at the ill-defined boundary between clusters of normal transplanted hepatocytes and the surrounding host liver (Fig.  5a c), in agreement with previous findings (Koenig et al. 2005).

There are two distinct patterns of VSCC invasion into surrounding tissue: a 'pushing' pattern displays distinct tumour stroma boundaries, whereas a 'spray' pattern of invasion is characterised by ill-defined tumour stroma boundaries with small clusters of invading cells and correlates with poor prognosis (Heaps et al, 1990; Qureshi et al, 1999).