notesum.ai

Published at December 6

Noise Matters: Diffusion Model-based Urban Mobility Generation with Collaborative Noise Priors

cs.LG

Released Date: December 6, 2024

Authors: Yuheng Zhang¹, Yuan Yuan, Jingtao Ding, Jian Yuan, Yong Li

Aff.: ¹Tsinghua University

Arxiv: http://arxiv.org/pdf/2412.05000v1

Refer to caption

Dataset	ISP							MME
Metrics	Trajectory				Flow		Diversity	Trajectory				Flow		Diversity
Metrics	Radius	Distance	Duration	DailyLoc	CPC	MAPE		Radius	Distance	Duration	DailyLoc	CPC	MAPE	Diversity
TimeGEO	0.3171	0.2984	0.0526	0.2877	0.2133	0.8637	0.1498	0.3678	0.4807	0.0891	0.2512	0.3248	0.8274	0.1682
PateGail	0.1979	0.1826	0.1867	0.2933	0.0714	0.9827	0.0984	0.1824	0.1673	0.1376	0.2883	0.1548	0.9136	0.1136
MoveSim	0.2313	0.2623	0.2861	0.4289	0.0932	0.9983	0.0492	0.1936	0.2219	0.2084	0.3746	0.1739	0.8873	0.0492
VOLUNTEER	0.4435	0.4716	0.4245	0.5155	0.0044	1.0088	0.0839	0.3826	0.3911	0.3512	0.4558	0.0927	0.9512	0.0928
TrajGDM	0.2977	0.2393	0.2443	0.4121	0.0070	1.0022	0.1271	0.3123	0.2577	0.2875	0.3961	0.0526	0.9813	0.1474
DiffTraj	0.0519	0.1662	0.0895	0.1617	0.3992	0.8331	0.0028	0.1028	0.1242	0.0949	0.2657	0.4198	0.7727	0.0053
CoDiffMob	0.0183	0.1203	0.0245	0.1558	0.6842	0.6361	0.0046	0.0519	0.0970	0.0796	0.1729	0.6067	0.6731	0.0089