融合标签结构依赖性的标签分布学习
黄雨婷,徐媛媛,张恒汝,闵帆
Label distribution learning by exploiting structural label dependency
Yuting Huang,Yuanyuan Xu,Hengru Zhang,Fan Min
表1
符号系统
Table 1
Notations
Notations
Meaning
?
q
q
?dimensional input space
Y
The complete set of labels
S
The training set
x
i
The
i
?th instance
d
i
The label distribution associated with
x
i
p
i
The predicted label distribution associated with
x
i
x
ir
The
r
?th feature of
x
i
d
ij
The description degree of the
j
?th label to
x
i
θ
The distance?mapping model
X
The instance matrix
D
The label distribution matrix