MPOSE2021: a Dataset for Short-time Pose-based Human Action Recognition

<strong>MPOSE2021</strong> MPOSE2021 is a Dataset for short-time pose-based Human Action Recognition (HAR). MPOSE2021 is specifically designed to perform short-time Human Action Recognition, as presented in [12]. MPOSE2021 is developed as an evolution of the MPOSE Dataset [1-3]. It is made by human pose data detected by OpenPose [4] and Posenet [11] on popular datasets for HAR, i.e. Weizmann [5], i3DPost [6], IXMAS [7], KTH [8], UTKinetic-Action3D (RGB only) [9] and UTD-MHAD (RGB only) [10], alongside original video datasets, i.e. ISLD and ISLD-Additional-Sequences [1]. Since these datasets have heterogenous action labels, each dataset labels is remapped to a common and homogeneous list of actions. To properly use MPOSE2021 and all the functionalities developed by the authors, we recommend using the official repository MPOSE2021_Dataset. <strong>Dataset Description</strong> The repository contains 3 datasets (namely 1, 2 and 3) which consist of the same data divided in different train/test splits. Each dataset contains X and y numpy arrays for both training and testing. X has the following shape: <pre>(number_of_samples, time_window, number_of_keypoints, x_y_p)</pre> where time_window = 30 number_of_keypoints = 17 (PoseNet) or 13 (OpenPose) x_y_p contains 2D keypoint coordinates (x,y) in the original video reference frame and the keypoint confidence (p &lt;= 1) <strong>References</strong> [1] F. Angelini, Z. Fu, Y. Long, L. Shao and S. M. Naqvi, "2D Pose-based Real-time Human Action Recognition with Occlusion-handling," in IEEE Transactions on Multimedia. URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&amp;arnumber=8853267&amp;isnumber=4456689 [2] F. Angelini, J. Yan and S. M. Naqvi, "Privacy-preserving Online Human Behaviour Anomaly Detection Based on Body Movements and Objects Positions," ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 2019, pp. 8444-8448. URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&amp;arnumber=8683026&amp;isnumber=8682151 [3] F. Angelini and S. M. Naqvi, "Joint RGB-Pose Based Human Action Recognition for Anomaly Detection Applications," 2019 22th International Conference on Information Fusion (FUSION), Ottawa, ON, Canada, 2019, pp. 1-7. URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&amp;arnumber=9011277&amp;isnumber=9011156 [4] Cao, Zhe, et al. "OpenPose: realtime multi-person 2D pose estimation using Part Affinity Fields." IEEE transactions on pattern analysis and machine intelligence 43.1 (2019): 172-186. [5] Gorelick, Lena, et al. "Actions as space-time shapes." IEEE transactions on pattern analysis and machine intelligence 29.12 (2007): 2247-2253. [6] Starck, Jonathan, and Adrian Hilton. "Surface capture for performance-based animation." IEEE computer graphics and applications 27.3 (2007): 21-31. [7] Weinland, Daniel, Mustafa Özuysal, and Pascal Fua. "Making action recognition robust to occlusions and viewpoint changes." European Conference on Computer Vision. Springer, Berlin, Heidelberg, 2010. [8] Schuldt, Christian, Ivan Laptev, and Barbara Caputo. "Recognizing human actions: a local SVM approach." Proceedings of the 17th International Conference on Pattern Recognition, ICPR 2004. Vol. 3. IEEE, 2004. [9] L. Xia, C.C. Chen and JK Aggarwal. "View invariant human action recognition using histograms of 3D joints", 2012 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 20-27, 2012. [10] C. Chen, R. Jafari, and N. Kehtarnavaz. "UTD-MHAD: A Multimodal Dataset for Human Action Recognition Utilizing a Depth Camera and a Wearable Inertial Sensor". Proceedings of IEEE International Conference on Image Processing, Canada, 2015. [11] G. Papandreou, T. Zhu, L.C. Chen, S. Gidaris, J. Tompson, K. Murphy. "PersonLab: Person Pose Estimation and Instance Segmentation with a Bottom-Up, Part-Based, Geometric Embedding Model". Proceedings of the European Conference on Computer Vision (ECCV), 2018, pp. 269-286 [12] V. Mazzia, S. Angarano, F. Salvetti, F. Angelini, M. Chiaberge. "Action Transformer: A Self-Attention Model for Short-Time Human Action Recognition". arXiv preprint (https://arxiv.org/abs/2107.00606), 2021.

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