Image quality.
| Image quality | Score | Criteria |
|---|---|---|
| For the analyses in tri-image mode, overall image quality was graded “good” if the three images obtained scores of 2/2/2 or 2/2/1, “medium” if the scores were 2/1/1, 2/1/0, or 1/1/1, and “adequate” if the scores were 1/1/0, 1/0/0, or 0/0/0 | ||
| Good | 2 | Excellent view of cell contours |
| Low background noise | ||
| Cells visible on over ⅔ of image area | ||
| Medium | 1 | Good view of cell contours |
| Moderate background noise | ||
| Cells visible on ⅓ to ⅔ of image area | ||
| Adequate | 0 | Poor view of cell contours |
| High background noise | ||
| Cells visible on less than ⅓ of image area | ||