大佬，例子是两个文件夹的大小不等 然后我删的只剩两个文件夹。算出来都是0 怎么回事呢
Processing label: Person
class Person Ap: 0
class Person precision: []
class Person recall: []
FPPW: inf FPPI inf
Processing label: Vehicle
class Vehicle Ap: 0
class Vehicle precision: []
class Vehicle recall: []
FPPW: inf FPPI inf
Processing label: Dryer
class Dryer Ap: 0
class Dryer precision: []
class Dryer recall: []
FPPW: inf FPPI inf
mAp: 0.0
大佬，例子是两个文件夹的大小不等 然后我删的只剩两个文件夹。算出来都是0 怎么回事呢
Processing label: Person
class Person Ap: 0
class Person precision: []
class Person recall: []
FPPW: inf FPPI inf
Processing label: Vehicle
class Vehicle Ap: 0
class Vehicle precision: []
class Vehicle recall: []
FPPW: inf FPPI inf
Processing label: Dryer
class Dryer Ap: 0
class Dryer precision: []
class Dryer recall: []
FPPW: inf FPPI inf
mAp: 0.0