本文整理汇总了Python中menpo.transform.Translation.set_target方法的典型用法代码示例。如果您正苦于以下问题：Python Translation.set_target方法的具体用法？Python Translation.set_target怎么用？Python Translation.set_target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menpo.transform.Translation的用法示例。
在下文中一共展示了Translation.set_target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: _recursive_procrustes
# 需要导入模块: from menpo.transform import Translation [as 别名]
# 或者: from menpo.transform.Translation import set_target [as 别名]
def _recursive_procrustes(self):
r"""
Recursively calculates a procrustes alignment.
"""
from menpo.shape import mean_pointcloud
from menpo.transform import Similarity
if self.n_iterations > self.max_iterations:
return False
new_tgt = mean_pointcloud([t.aligned_source.points
for t in self.transforms])
# rescale the new_target to be the same size as the original about
# it's centre
rescale = Similarity.identity(new_tgt.n_dims)
s = UniformScale(self.initial_target_scale / new_tgt.norm(),
self.n_dims, skip_checks=True)
t = Translation(-new_tgt.centre, skip_checks=True)
rescale.compose_before_inplace(t)
rescale.compose_before_inplace(s)
rescale.compose_before_inplace(t.pseudoinverse)
rescale.apply_inplace(new_tgt)
# check to see if we have converged yet
delta_target = np.linalg.norm(self.target.points - new_tgt.points)
if delta_target < 1e-6:
return True
else:
self.n_iterations += 1
for t in self.transforms:
t.set_target(new_tgt)
self.target = new_tgt
return self._recursive_procrustes()