本文整理汇总了Python中mean_average_precision_calculator.MeanAveragePrecisionCalculator方法的典型用法代码示例。如果您正苦于以下问题：Python mean_average_precision_calculator.MeanAveragePrecisionCalculator方法的具体用法？Python mean_average_precision_calculator.MeanAveragePrecisionCalculator怎么用？Python mean_average_precision_calculator.MeanAveragePrecisionCalculator使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mean_average_precision_calculator的用法示例。
在下文中一共展示了mean_average_precision_calculator.MeanAveragePrecisionCalculator方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: import mean_average_precision_calculator [as 别名]
# 或者: from mean_average_precision_calculator import MeanAveragePrecisionCalculator [as 别名]
def __init__(self, num_class, top_k):
"""Construct an EvaluationMetrics object to store the evaluation metrics.
Args:
num_class: A positive integer specifying the number of classes.
top_k: A positive integer specifying how many predictions are considered per video.
Raises:
ValueError: An error occurred when MeanAveragePrecisionCalculator cannot
not be constructed.
"""
self.sum_hit_at_one = 0.0
self.sum_perr = 0.0
self.sum_loss = 0.0
self.map_calculator = map_calculator.MeanAveragePrecisionCalculator(num_class)
self.global_ap_calculator = ap_calculator.AveragePrecisionCalculator()
self.top_k = top_k
self.num_examples = 0