RT Conference Proceedings T1 Skeletal Movement to Color Map: A Novel Representation for 3D Action Recognition with Inception Residual Networks A1 Hieu Pham, Huy A1 Khoudour, Louahdi A1 Crouzil, Alain A1 Zegers, Pablo A1 Velastin Carroza, Sergio Alejandro AB We propose a novel skeleton-based representation for 3D action recognition in videos using Deep Convolutional Neural Networks (D-CNNs). Two key issues have been addressed: First, how to construct a robust representation that easily captures the spatial-temporal evolutions of motions from skeleton sequences. Second, how to design D-CNNs capable of learning discriminative features from the new representation in a effective manner. To address these tasks, a skeleton-based representation, namely, SPMF (Skeleton Pose-Motion Feature) is proposed. The SPMFs are built from two of the most important properties of a human action: postures and their motions. Therefore, they are able to effectively represent complex actions. For learning and recognition tasks, we design and optimize new D-CNNs based on the idea of Inception Residual networks to predict actions from SPMFs. Our method is evaluated on two challenging datasets including MSR Action3D and NTU-RGB+D. Experimental results indicated that the proposed method surpasses state-of-the-art methods whilst requiring less computation. PB IEEE SN 978-1-4799-7061-2 YR 2018 FD 2018-09-06 LK https://hdl.handle.net/10016/28921 UL https://hdl.handle.net/10016/28921 LA eng NO This paper has been presented at : 25th IEEE International Conference on Image Processing (ICIP) DS e-Archivo RD 18 jul. 2024