4.6. Red Eye Removal
| 4. Enhance Filters |

### 4.6. Red Eye Removal

#### 4.6.1. Overview

Рисунок 17.41. Example for the «Red Eye Removal» filter

Original image

«Red Eye Removal» applied

The aim of this filter is - guess what - to remove red eyes from an image. Before applying the «Red Eye Removal» you must do a selection (lasso or elliptical) of the boundary of the iris of the eye(s) having a red pupil. After only you can apply the filter on this selection. If you don't make this selection, the filter inform you that : «Manually selecting the eyes may improve the results».

#### 4.6.2. Activating the filter

This filter is found in the image window menu under Filters → Enhance → Red Eye Removal….

#### 4.6.3. Options

Рисунок 17.42. «Red Eye Removal» options

Presets, «Input Type», Clipping, Blending Options, Preview, Split view

  | Примітка
  These options are described in Розділ 2, «Common Features».

Threshold

  If you move the cursor of threshold the amount of red color to eliminate will vary.

4.5. Noise Reduction |  | 4.7. Symmetric Nearest Neighbor

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