Mr. Avishek Chakraborty Profile

Avishek Chakraborty

at Univ of South Australia

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Proceedings Article | 1 May 2017 Presentation + Paper

A data set for evaluating the performance of multi-class multi-object video tracking

Avishek Chakraborty, Victor Stamatescu, Sebastien Wong, Grant Wigley, David Kearney

Proceedings Volume 10202, 102020G (2017) https://doi.org/10.1117/12.2262439

KEYWORDS: Video, Object recognition, Classification systems, Detection and tracking algorithms, Video surveillance, Cameras, Computing systems, Solids, Automatic tracking, Algorithm development

Read Abstract +

One of the challenges in evaluating multi-object video detection, tracking and classification systems is having publically available data sets with which to compare different systems. However, the measures of performance for tracking and classification are different. Data sets that are suitable for evaluating tracking systems may not be appropriate for classification. Tracking video data sets typically only have ground truth track IDs, while classification video data sets only have ground truth class-label IDs. The former identifies the same object over multiple frames, while the latter identifies the type of object in individual frames. This paper describes an advancement of the ground truth meta-data for the DARPA Neovision2 Tower data set to allow both the evaluation of tracking and classification. The ground truth data sets presented in this paper contain unique object IDs across 5 different classes of object (Car, Bus, Truck, Person, Cyclist) for 24 videos of 871 image frames each. In addition to the object IDs and class labels, the ground truth data also contains the original bounding box coordinates together with new bounding boxes in instances where un-annotated objects were present. The unique IDs are maintained during occlusions between multiple objects or when objects re-enter the field of view. This will provide: a solid foundation for evaluating the performance of multi-object tracking of different types of objects, a straightforward comparison of tracking system performance using the standard Multi Object Tracking (MOT) framework, and classification performance using the Neovision2 metrics. These data have been hosted publically.

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