2022
DOI: 10.1007/s40747-022-00834-2
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Multi-granularity scenarios understanding network for trajectory prediction

Abstract: Understanding agents’ motion behaviors under complex scenes is crucial for intelligent autonomous moving systems (like delivery robots and self-driving cars). It is challenging duo to the inherent uncertain of future trajectories and the large variation in the scene layout. However, most recent approaches ignored or underutilized the scenario information. In this work, a Multi-Granularity Scenarios Understanding framework, MGSU, is proposed to explore the scene layout from different granularity. MGSU can be di… Show more

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Cited by 8 publications
(3 citation statements)
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“…By adjusting the convolutional size, CNN-based deep learning models can quickly gather feature information at various granularities, enabling more accurate decision making by combining and evaluating data from various scales. Recent achievements in the field of computer vision have fully exploited multi-granularity information fusion based on CNNs [ 39 ].…”
Section: Related Workmentioning
confidence: 99%
“…By adjusting the convolutional size, CNN-based deep learning models can quickly gather feature information at various granularities, enabling more accurate decision making by combining and evaluating data from various scales. Recent achievements in the field of computer vision have fully exploited multi-granularity information fusion based on CNNs [ 39 ].…”
Section: Related Workmentioning
confidence: 99%
“…Therefore, there are l ω l m time-frequency points in the rectangular area Ω ω,m . The local confidence Γ(ω, m) of this time-frequency point (ω, m) is estimated by performing a principal component analysis (PCA) [30] on the snapshot vector Y(Ω ω,m ) in the region Ω ω,m , which reflects the strength of the dominant signal at the time-frequency point (ω, m). It is obvious that the local confidence level is proportional to the ratio of the dominant signal.…”
Section: Local-confidence-level-enhanced Density Clustering Algorithmmentioning
confidence: 99%
“…We pre-process the trajectory data by extracting 20 consecutive frames to form a sample, in which the first eight frames are input, and the last 12 frames are the ground truth. Therefore, the observed and predicted horizons are 8 (3.2 s) and 12 (4.8 s) time steps [49], respectively.…”
Section: Datasetsmentioning
confidence: 99%