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1. Set the search interval (see Setting a search interval).
2. Select the Similitude search type (see Selecting the search type).
3. Select a search method:
   1. Search for a similar image by track:
      1. Select a track by left-clicking an object in the Surveillance window (1). When you use Similitude search, the image track is highlighted, and its dimensions are displayed in the Surveillance window. The track image is displayed in the Similitude search type window (2).
         
      2. Enter the minimum level of similarity (in percent) of the selected track with images in the archive (3). The search results display only those videos that have images with a similarity level greater than the specified one. To remove a track from the search, click the button.
   2. Search for a similar image by image:
      1. Select an image that is similar to the image you want to find in the archive (4). Supported formats: png, jpg, jpeg, jpe. If no image is selected, the search results display all images recognized within the specified time range. To clear the search criteria, click the  button.

      2. Enter the minimum level of similarity (in percent) of the selected image with images in the archive (3). The search results display only those videos that have images with a similarity level greater than the specified one.

         Info
         title Note
         When you search for a person, make sure that the track or image displays the person in full height. If the image is not complete, then incorrect recognitions can be included in the search results. If the search does not give required results at the selected level of similarity, then reduce its value. Note that lowering the similarity level below 50% can lead to incorrect recognitions.

4. Select the type of search results sorting: —by similarity level; —by time (5).

5. Click the Search button.

   Info
   title Note
   Once you start the search, you can stop it at any time. To do this, click the Stop button, which is displayed in place of the Search button.

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The image is saved to the folder specified in the settings (see Configuring export optionsExport).

Use case for Similitude search

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