Scene Detector - Utility to Detect scenes for Final Cut

Introducing: "Scene Detector v1.2"

Scene Detector is an advanced utility for the automatic detection of scene boundaries in a movie. Scene detection is performed using only the frame image data, no timecode or audio metadata is used.

Scene Detection opens a Final Cut project file (exported in XML format), then asks the user what clip to detect scenes in. Once this occurs it then exports the project file (in XML format) with markers added at scene boundaries. The User then imports the XML file back into Final Cut. It couldn't be any easier! The clip file is not changed during this operation, so it can reside even on your read-only device.

The current version of Scene Detector is 1.2.

Scene Detector Screenshots

Main Screen

Job Progress Screen

Scene Detector Features:

Supports all versions of Final Cut file formats

Scene Detector can process all versions for the Final Cut file format - from version 1.0 (produced by Final Cut 2.0) to version 7.0 of the file format produced by Final Cut Pro.

Scene Detector uses QuickTime for decoding video

Scene Detector uses QuickTime library to decompress video. This means Scene Detector will work with all clip file formats that QuickTime can handle on your computer, including all MPEG files.

User can pause and resume scene detection

Scene Detector has a very advanced internal architecture. It allows the user to pause/resume or abort scene detection at any time. This is handy if the user wishes to assign CPU cycles on other high-priority tasks after scene detection has started.

The user can select a number of CPU threads to dedicate scene detection to

Scene detection is a rather computation-intensive task that can be run on several CPUs at once. The user can select how many threads of execution to use for scene detection; on quad-core Macs, the user will be able to load all CPU cores of computer by selecting 4 or 8 threads for scene detection.

If the user wants to have one CPU core to be free for other tasks, they can select fewer CPU threads to use.

Advanced technologies and algorithms are used for super quick scene detection

A patent-pending algorithm is used for scene detection. It allows for reliable scene detection, and does this as fast as inhumanly possible.

For even faster scene detection speeds, the detection can be run on several CPU cores. The user interface has simple dropdown menus to select a number of CPU threads to start.

Scenes are detected only between a clip's In and Out points.

The detection of scenes is performed between a clip's In and Out points. This allows the user to avoid scanning a long media file in places where they don't need them, thus reducing the time it takes to complete the detection of selected scenes.

The user can control the threshold used to seperate frames from "similar" to "different" by setting similarity threshold

During scene detection, a value of similarity of subsequent frames is computed. If the value computed is greater than the threshold specified by the user, the frames are considered to belong to the same scene. Since the user has total control over the threshold, they can control the count of "fake" scenes found by Scene Detector . The less similarity threshold is, the less scenes are found.

A value of frame similarity can be appended to markers inserted into the project for each scene found.

During scene detection, a value of similarity between subsequent frames is computed. If the value computed is greater than the threshold specified by the user, the frames are considered to belong to the same scene.

Scene Detector has an option to append the similarity value to each marker which correspond to the scene found. That value measures similarity of the frame with its successor. Seeing a similarity as part of the marker name allows the user to prioritize their check of Scene Detector results; it also allows the user to make a decision on what threshold to use for another clip that has similar visual characteristics.

How Scene Detector Works:

Scene Detector performs complex image analysis comparing adjacent frames to compute their similarity. If a similarity value is less than the threshold amount, the frames are considered to belong to different scenes. A new marker is then inserted at the position of the first frame of a scene.

Scene Detector v1.1 uses QuickTime to decompress the frame's data. Scene Detector does not modify the clip file at all - it simply updates an Final Cut XML Project file inserting markers at places where the scenes were found.