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Using "Scene Detection" option
James1301 [Avatar]
Newbie Joined: Aug 29, 2010 20:34 Messages: 9 Offline
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I'm trying to utilize the Scene Detection option in Capture Settings.

I go to the window "Scene Detection" which has several buttons including Detect, Split, Merge and OK. I select "After capture, detect scenes by change of video frames." The specific scene thumbnails show after I press Detect. Then I click OK and nothing happens. I'm left with a single movie file. And, I don't understand the function of the "merge" button. A step-by-step description in using this feature would be very helpful and much appreciated.
bolda
Member Location: Liberec, Czech Republic Joined: Feb 02, 2011 15:10 Messages: 96 Offline
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Hi James,

I think you only need to click at the bottom right (yellow folder symbol) of each clip that has undergone scene detection in the media library pane. Such clips become sort of folders containing the scenes detected and by clicking as I say you open the folder to see all the scenes as clips as if they were seperate files. You ten treat them accordingly.

I believe the Merge button is to join scenes that you don't want to have separate after the detection. If you decide to actually merge some of the scenes shown, you can select them using the CTRL or SHIFT key, and then the Merge button. I've never used this feature but it's kind of self-suggesting...

Jirka

This message was edited 1 time. Last update was at Jun 22. 2012 12:18

HalCon
Senior Contributor Location: Charlottetown, PEI Joined: Mar 01, 2008 10:36 Messages: 719 Offline
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James,

I use the scene detection screen very often, but I do what I call a manual detection. I do not get the results I want by using the automatic functions.

Here is the procedure I use. You may like it or you may think it is too much work.
1. Right click the clip in the media window and select 'Detect Scenes'
2. When the window opens, I click the 'Split' button. This sets up the start of the first scene. You will see it show in the right hand window.
3. Click the play button and run the clip to the spot you want to end the first scene. Click the 'Pause' button. Now you can use the forward and reverse arrows to move to the exact frame that you would like to split at.
4. Click the split button. This will end scene 1 and set the start for scene 2.
5. Continue with this procedure to the end of the clip.

If you decide you would like to combine two of the scenes after you have split then, you select the adjacent scenes and then click merge.

This may seem like a lot of work, but there are advantages.
1. The scene information is store with the original clip, thus allowing the scenes to be used in other projects if desired/necessary.
2. You can give the scenes unique names that can help in the editing process.
3. This process does not alter the original clip.

Hope this helps clear things up a little.

Hal
OS - Win11 Pro, Alienware R13, CPU - Intel Core I7-12700KF 12 CPUs), 16g DDR5 4400 RAM, Video - Geeforce RTX 3080ti 12g, PD11 & PD365
My YouTube
bolda
Member Location: Liberec, Czech Republic Joined: Feb 02, 2011 15:10 Messages: 96 Offline
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Some additional thoughts to follow up on HalCon's post:

Unlike HalCon, I have always used Scene Detection "by change of time codes" (selected in the Advanced Scene Detection Settings dialog box) for DV-AVI footage from my old camera. I now use a camera with a built-in memory and a memory card socket where a new file is created each time recording is stopped.

I see Scene Detection as just the first step in trimming the footage to desired length and contents. Next, it's all manual, of course.

With my new camera, I don't really use Scene Detection, and detection by changes in time codes wouldn't work anyway. I simply use Split or Multi Trim feature or remove entire clips, that is files, from the project. Talking of Multi Trim, Scene Detection is available within its dialog too...
James1301 [Avatar]
Newbie Joined: Aug 29, 2010 20:34 Messages: 9 Offline
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After much exchange with Cyberlink Tech Support I was successful. Solution: Capture video, then select Edit. Right click on the video file in the library and choose Detect. Then again click Detect in the new window and allow it to process. This puts the clips into the Media window. Select all the clips and move them to the timeline. The problem is that if you select the detect function in the preferences window, the window that appears after Capture does not function properly.
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