ref: e46820c693d0dc01685841cfc704c16dbac48e80
dir: /tools/3D-Reconstruction/MotionEST/GroundTruth.py/
#!/usr/bin/env python
# coding: utf-8
import numpy as np
import numpy.linalg as LA
from MotionEST import MotionEST
"""Ground Truth:
Load in ground truth motion field and mask
"""
class GroundTruth(MotionEST):
"""
constructor:
cur_f: current frame
ref_f: reference frame
blk_sz: block size
gt_path: ground truth motion field file path
"""
def __init__(self, cur_f, ref_f, blk_sz, gt_path):
self.name = 'ground truth'
super(GroundTruth, self).__init__(cur_f, ref_f, blk_sz)
self.mask = np.zeros((self.num_row, self.num_col), dtype=np.bool)
with open(gt_path) as gt_file:
lines = gt_file.readlines()
for i in xrange(len(lines)):
info = lines[i].split(';')
for j in xrange(len(info)):
x, y = info[j].split(',')
#-,- stands for nothing
if x == '-' or y == '-':
self.mask[i, -j - 1] = True
continue
#the order of original file is flipped on the x axis
self.mf[i, -j - 1] = np.array([float(y), -float(x)], dtype=np.int)