Index management

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Available in VPC

The index refers to the video analysis results. When a video asset is analyzed, an index is generated, allowing you to quickly locate information such as persons, keywords, speakers, and scripts within the video. Additionally, you can download a JSON file containing the extracted metadata after analysis.

Index details screen

The following describes the basic features of the index details screen:

Item	Description
① Index title	Name of the video asset (original video file) linked to the index. Click to view details.
② Navigation area	Displays analyzed scenes and keywords. Scene list: Displays keyframes and scene numbers within the index. When you select a scene, you can view the detected persons, keywords, and scripts for that scene. Keyword search: View and search keywords detected in the video.
③ Video playback area	Area for playing the video.
④ Scene insight area	Displays information (scene number, duration), insights, and scripts for the selected scene. [Insights] tab: Displays detected persons and keywords in the video. [Script] tab: Displays detected speech as text, separated by speaker.
⑤ [JSON] button	Download the analysis results as a JSON file.
⑥ Timeline	Displays detected persons, keywords, and script information for the selected scene on separate tracks. : Scene track. Check the scene division positions. : Person track. Identify the segments where specific persons appear. : Keyword track. Identify the segments containing the selected keyword. : Subtitle track. Check the segments where any speech exists.

View index details

To view index details:

1. Access the Media Intelligence workspace.

2. After clicking the analyzed video, click the icon in the analysis results area of the analysis index list.
   

3. Once the index details page appears, check the analysis results.

Select scene

You can easily navigate to the desired segment of the video using the scene selection feature. To select a scene:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. When the Scene list menu appears, click the scene you want to view.
   • The selected segment appears on the timeline.
   • You can view the detected people, keywords, and captions for the scene.

Keyword search

You can quickly find sections related to a specific keyword in the video by using the Keyword search feature. To search with keyword:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. You can use two types of filters in the Search filter area.
   • Confidence level: Displays only results meeting or exceeding the selected accuracy level ("Low," "Default," or "High").
   • Result scope: Adjusts the range of search results. "Broad" returns a wider set of results, while "Accurate" provides narrower, more specific ones.
4. Keywords detected in the video are shown in the keyword category below the search filters.
5. Click the desired keyword from the keyword menu.
   • You can select multiple keywords to search for scenes where they appear together.
   • You can select up to 7 keywords.
   • The sections where the selected keyword is detected appear on the timeline.
6. If a keyword is not in the default category, use the "Search by keyword" or "Search by script" options to filter results.

View insights

Use the view insights feature to view information about identified people and keywords in specific scenes. To view insights:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. Click on the scene you want to view in the Scene list menu.
4. Click the [Insights] tab on the right side of the screen.
   • Detected people and keywords are displayed.
5. Click a person or keyword to view details.
   • The detected segments for people and keywords are marked on the timeline.

Person labeling

You can assign person labeling to improve the accuracy of person identification. To assign person labeling in the insight panel:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. Click on the scene you want to view in the Scene list menu.
4. Click the [Insights] tab on the right side of the screen.
   • Detected people and keywords are displayed.
5. Click the edit icon in the person area.
6. Persons similar to the one being labeled are automatically recommended.
   • If similar persons exist based on the person database, a recommendation list is shown with similarity scores.
   • If no highly similar persons are found, no recommendations are shown.
7. If recommended persons are listed, select the appropriate one and click the [Confirm] button.
   • Click the [Confirm] button in the edit confirmation window.
   • After setting the scope of the edit, click the [Confirm] button.
8. The label is replaced with the matched person's name and thumbnail.
9. When you click the add person button, a confirmation window appears where you can select the changes and their scope.
   • If the person's name is already registered, it cannot be added. Change the name and try again.

View script

You can check the transcribed speech for each speaker within a specific scene. To view the script within a video:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. Click on the scene you want to view in the Scene list menu.
4. Click the [Script] tab on the right side of the screen.
   • You can check the transcribed speech for each speaker in the video.

Edit speaker

You can edit speaker names to help improve script comprehension. To edit speaker names in the insight panel:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. Click on the scene you want to view in the Scene list menu.
4. Click the [Script] tab on the right side of the screen.
   • You can check the transcribed speech for each speaker in the video.
   • The script search feature is not available.
5. Click the script line that needs speaker editing in the Script area.
6. Click the dropdown icon in the Speaker area.
   • A list of person labeling is shown.
7. Select a speaker from the list of person labeling.
   • You can select a speaker if there are detected results and labeled persons in the index.
   • If there are no detection results in the index or all results are anonymous, only the script can be edited.
8. Click the [Confirm] button in the edit confirmation window.
   • You can select the scope of the edit.

Edit line

You can edit the script lines to improve transcription accuracy. To edit lines in the insight panel:

1. Open the index details page.
   • See View index details.
2. From the index details screen, click the icon from the navigation area.
3. Click on the scene you want to view in the Scene list menu.
4. Click the [Script] tab on the right side of the screen.
   • You can check the transcribed speech for each speaker in the video.
   • The script search feature is not available.
5. Click the line that needs editing in the Script area.
6. Edit the text in the Line area.
7. Click the check icon on the right side of the line area.

Delete index

To delete an index:

1. Access the Media Intelligence workspace.
   • See Access workspace.
2. Click the project name.
3. After clicking the video, click the index ID from the analysis index list.
4. Once the index information window appears, click the [Delete index] button.
   • Deleted indexes cannot be restored.

Keyboard shortcuts

You can use keyboard shortcuts in the workspace to quickly and conveniently check indexes. The following describes the basic features of the keyboard shortcuts: