Video annotation tool for action classification?

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Kaichen Tang

If there are no more tasks other than the label and the start/end time of each section, a structure-defined CSV file should be good enough. you can just have start/end time and labels (probably enumerated) as different columns.

If you are looking for a bit more advanced tools, Labelbox should be good.

Amit Kumar Pandey

Here are a few popular tools commonly used for video annotation in action classification tasks:

LabelImg: LabelImg is an open-source graphical image annotation tool that can be adapted for video annotation. While it's primarily designed for annotating images, you can manually extract frames from the video and annotate them individually using LabelImg.

VATIC (Video Annotation Tool from ImageClef): VATIC is a web-based tool specifically designed for annotating videos. It allows multiple annotators to label objects or actions within video frames, and provides features for tracking objects across frames.

LabelMe Video: LabelMe Video is an extension of the LabelMe annotation tool, designed specifically for annotating videos. It enables users to label objects or actions in video frames and supports features such as tracking and annotating multiple objects simultaneously.

CVAT (Computer Vision Annotation Tool): CVAT is a comprehensive open-source tool that supports annotation of both images and videos. It provides a user-friendly interface for labeling objects, actions, or events within video frames, and offers features for collaborative annotation and management of large datasets.

VIA (VGG Image Annotator): VIA is a simple and lightweight annotation tool developed by the Visual Geometry Group (VGG) at the University of Oxford. While primarily designed for annotating images, it can also be used for video annotation by manually extracting frames and annotating them individually.

Video Annotation and Reference System (VARS): VARS is a multimedia annotation tool developed by the Monterey Bay Aquarium Research Institute (MBARI). It supports annotation of videos with temporal metadata, making it suitable for tasks such as action classification and behavior analysis.

Anvil: Anvil is a web-based annotation tool that supports collaborative video annotation. It provides features for labeling objects, actions, or events within video frames, and allows multiple users to work on the same project simultaneously.