| # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """Unit tests for CalibratedFrame.""" |
| |
| from unittest import TestCase |
| |
| import numpy as np |
| |
| from optofidelity.detection._calibrated_frame import CalibratedFrame |
| from optofidelity.detection.screen_calibration import ScreenCalibration |
| |
| from . import test_data |
| |
| |
| class CalibratedFrameTest(TestCase): |
| def testCalibratedFields(self): |
| prev_frame = test_data.CalibrationBlackImage() |
| frame = test_data.CalibrationWhiteImage() |
| calibration = ScreenCalibration(prev_frame, frame) |
| calibrated_frame = CalibratedFrame(frame, prev_frame, calibration, 0) |
| |
| self.assertTrue(np.allclose(calibrated_frame.screen_space_normalized, 1)) |
| self.assertTrue(np.all(calibrated_frame.screen_space_foreground == False)) |
| |
| self.assertEqual(calibrated_frame.camera_space_shape, (720, 1280)) |
| self.assertEqual(calibrated_frame.screen_space_shape, (322, 566)) |
| |
| def testDelta(self): |
| prev_frame = test_data.CalibrationBlackImage() |
| frame = test_data.CalibrationWhiteImage() |
| calibrated_frame = CalibratedFrame(frame, prev_frame, None, 0) |
| |
| calibration = ScreenCalibration(prev_frame, frame) |
| delta = calibrated_frame.camera_space_delta |
| screen_space_delta = calibration.CameraToScreenSpace(delta) |
| |
| self.assertTrue(np.all(screen_space_delta > 0.5)) |
