mmpose/tests/test_structures/test_multilevel_pixel_data.py

73 lines
2.4 KiB
Python

# Copyright (c) OpenMMLab. All rights reserved.
from unittest import TestCase
import numpy as np
import torch
from mmengine.structures import PixelData
from mmpose.structures import MultilevelPixelData
class TestMultilevelPixelData(TestCase):
def get_multi_level_pixel_data(self):
metainfo = dict(num_keypoints=17)
sizes = [(64, 48), (32, 24), (16, 12)]
heatmaps = [np.random.rand(17, h, w) for h, w in sizes]
masks = [torch.rand(1, h, w) for h, w in sizes]
data = MultilevelPixelData(
metainfo=metainfo, heatmaps=heatmaps, masks=masks)
return data
def test_init(self):
data = self.get_multi_level_pixel_data()
self.assertIn('num_keypoints', data)
self.assertTrue(data.nlevel == 3)
self.assertTrue(data.shape == ((64, 48), (32, 24), (16, 12)))
self.assertTrue(isinstance(data[0], PixelData))
def test_setter(self):
# test `set_field`
data = self.get_multi_level_pixel_data()
sizes = [(64, 48), (32, 24), (16, 8)]
offset_maps = [torch.rand(2, h, w) for h, w in sizes]
data.offset_maps = offset_maps
# test `to_tensor`
data = self.get_multi_level_pixel_data()
self.assertTrue(isinstance(data[0].heatmaps, np.ndarray))
data = data.to_tensor()
self.assertTrue(isinstance(data[0].heatmaps, torch.Tensor))
# test `cpu`
data = self.get_multi_level_pixel_data()
self.assertTrue(isinstance(data[0].heatmaps, np.ndarray))
self.assertTrue(isinstance(data[0].masks, torch.Tensor))
self.assertTrue(data[0].masks.device.type == 'cpu')
data = data.cpu()
self.assertTrue(isinstance(data[0].heatmaps, np.ndarray))
self.assertTrue(data[0].masks.device.type == 'cpu')
# test `to`
data = self.get_multi_level_pixel_data()
self.assertTrue(data[0].masks.device.type == 'cpu')
data = data.to('cpu')
self.assertTrue(data[0].masks.device.type == 'cpu')
# test `numpy`
data = self.get_multi_level_pixel_data()
self.assertTrue(isinstance(data[0].masks, torch.Tensor))
data = data.numpy()
self.assertTrue(isinstance(data[0].masks, np.ndarray))
def test_deleter(self):
data = self.get_multi_level_pixel_data()
for key in ['heatmaps', 'masks']:
self.assertIn(key, data)
exec(f'del data.{key}')
self.assertNotIn(key, data)