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Table 1 Image quality of the video sequences.

From: Semi-automatic algorithm for construction of the left ventricular area variation curve over a complete cardiac cycle

Score

Quality

Number of sequences

0.5-1

very low

3 (discarded)

1.5-2

low

4

2.5-3

average

5

3.5-4

high

0

4.5-5

very high

0

  1. The sequences were evaluated by a specialist in terms of their image quality, using a score system ranging from 0 to 5. Sequences which scored 1 or lower were discarded.