Title
Efficient and Accurate Face Alignment by Global Regression and Cascaded Local Refinement
Abstract
Despite great advances witnessed on facial image alignment in recent years, high accuracy high speed face alignment algorithms still have rooms to improve especially for applications where computation resources are limited. Addressing this issue, we propose a new face landmark localization algorithm by combining global regression and local refinement. In particular, for a given image, our algorithm first estimates its global facial shape through a global regression network (GRegNet) and then using cascaded local refinement networks (LRefNet) to sequentially improve the alignment result. Compared with previous face alignment algorithms, our key innovation is the sharing of low level features in GRegNet with LRefNet. Such feature sharing not only significantly improves the algorithm efficiency, but also allows full exploration of rich locality-sensitive details carried with shallow network layers and consequently boosts the localization accuracy. The advantages of our algorithm is clearly validated in our thorough experiments on four popular face alignment benchmarks, 300-W, AFLW, COFW and WFLW. On all datasets, our algorithm produces state-of-the-art alignment accuracy, while enjoys the smallest computational complexity.
Year
DOI
Venue
2019
10.1109/CVPRW.2019.00036
2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
Keywords
Field
DocType
face alignment benchmarks,alignment accuracy,localization accuracy,shallow network layers,rich locality-sensitive details,algorithm efficiency,feature sharing,low level features,previous face alignment algorithms,alignment result,LRefNet,local refinement networks,GRegNet,global regression network,global facial shape,face landmark localization algorithm,computation resources,high accuracy high speed face alignment algorithms,facial image alignment
Computer vision,Pattern recognition,Regression,Computer science,Artificial intelligence
Conference
ISSN
ISBN
Citations 
2160-7508
978-1-7281-2507-7
1
PageRank 
References 
Authors
0.34
25
4
Name
Order
Citations
PageRank
Jinzhan Su110.34
Zhe Wang211.02
Chunyuan Liao3625.15
Haibin Ling44531215.76