“cv::ml::SVMImpl”: 不能实例化抽象类

[lgcchengxu]

I'm submitting a ... (check one with "x")

[ ] bug report
[ ] help wanted
[ ] feature request

Current behavior

Expected/desired behavior

Reproduction of the problem

If the current behavior is a bug or you can illustrate your feature request better with an example, please provide the steps to reproduce.

What is the expected behavior?

What is the motivation / use case for changing the behavior?

Please tell us about your environment:

• System: CentOS

• Compiler version/IDE: gcc4.8

• CMake version: 3.5.1

• OpenCV version: [2.4.9 | 2.4.10 | 2.4.11 | 2.4.12 | 2.4.13 | 3.0 ALPHA | 3.0 BETA | 3.0 RC1 | 3.0 | 3.1 ]

[Denny0503]

我也是，使用最新版本的OpenCV4.1.2，vs2019后，出错

[jasonp0927]

将父类的虚函数实现就可以。

[zhu2900000]

CV3.1