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1.9 KiB
1.9 KiB
中文 | English
MattingResult 抠图结果
MattingResult 代码定义在fastdeploy/vision/common/result.h中,用于表明模型预测的alpha透明度的值,预测的前景等。
C++ 定义
fastdeploy::vision::MattingResult
struct MattingResult {
std::vector<float> alpha;
std::vector<float> foreground;
std::vector<int64_t> shape;
bool contain_foreground = false;
void Clear();
std::string Str();
};
- alpha: 是一维向量,为预测的alpha透明度的值,值域为[0.,1.],长度为hxw,h,w为输入图像的高和宽
- foreground: 是一维向量,为预测的前景,值域为[0.,255.],长度为hxwxc,h,w为输入图像的高和宽,c一般为3,foreground不是一定有的,只有模型本身预测了前景,这个属性才会有效
- contain_foreground: 表示预测的结果是否包含前景
- shape: 表示输出结果的shape,当contain_foreground为false,shape只包含(h,w),当contain_foreground为true,shape包含(h,w,c), c一般为3
- Clear(): 成员函数,用于清除结构体中存储的结果
- Str(): 成员函数,将结构体中的信息以字符串形式输出(用于Debug)
Python 定义
fastdeploy.vision.MattingResult
- alpha(list of float): 是一维向量,为预测的alpha透明度的值,值域为[0.,1.],长度为hxw,h,w为输入图像的高和宽
- foreground(list of float): 是一维向量,为预测的前景,值域为[0.,255.],长度为hxwxc,h,w为输入图像的高和宽,c一般为3,foreground不是一定有的,只有模型本身预测了前景,这个属性才会有效
- contain_foreground(bool): 表示预测的结果是否包含前景
- shape(list of int): 表示输出结果的shape,当contain_foreground为false,shape只包含(h,w),当contain_foreground为true,shape包含(h,w,c), c一般为3