Python imgaug.KeypointsOnImage方法代码示例

本文整理汇总了Python中imgaug.KeypointsOnImage方法的典型用法代码示例。如果您正苦于以下问题：Python imgaug.KeypointsOnImage方法的具体用法？Python imgaug.KeypointsOnImage怎么用？Python imgaug.KeypointsOnImage使用的例子？那么, 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imgaug的用法示例。

在下文中一共展示了imgaug.KeypointsOnImage方法的15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: load_images

# 需要导入模块: import imgaug [as 别名]
# 或者: from imgaug import KeypointsOnImage [as 别名]
def load_images(n_batches=10, sleep=0.0):
    batch_size = 4
    astronaut = data.astronaut()
    astronaut = ia.imresize_single_image(astronaut, (64, 64))
    kps = ia.KeypointsOnImage([ia.Keypoint(x=15, y=25)], shape=astronaut.shape)
    counter = 0
    for i in range(n_batches):
        batch_images = []
        batch_kps = []
        for b in range(batch_size):
            astronaut_text = ia.draw_text(astronaut, x=0, y=0, text="%d" % (counter,), color=[0, 255, 0], size=16)
            batch_images.append(astronaut_text)
            batch_kps.append(kps)
            counter += 1
        batch = ia.Batch(
            images=np.array(batch_images, dtype=np.uint8),
            keypoints=batch_kps
        )
        yield batch
        if sleep > 0:
            time.sleep(sleep)

开发者ID:aleju，项目名称:imgaug，代码行数:23，代码来源:check_background_augmentation.py

示例2: test_draw_on_image_alpha_is_50_percent

# 需要导入模块: import imgaug [as 别名]
# 或者: from imgaug import KeypointsOnImage [as 别名]
def test_draw_on_image_alpha_is_50_percent(self):
        kps = [ia.Keypoint(x=1, y=2), ia.Keypoint(x=3, y=4)]
        kpi = ia.KeypointsOnImage(keypoints=kps, shape=(5, 5, 3))
        image = np.zeros((5, 5, 3), dtype=np.uint8) + 10

        kps_mask = np.zeros(image.shape[0:2], dtype=np.bool)
        kps_mask[2, 1] = 1
        kps_mask[4, 3] = 1

        image_kps = kpi.draw_on_image(
            image, color=[0, 255, 0], alpha=0.5, size=1, copy=True,
            raise_if_out_of_image=False)

        bg_plus_color_at_alpha = [int(0.5*10+0),
                                  int(0.5*10+0.5*255),
                                  int(10*0.5+0)]
        assert np.all(image_kps[kps_mask] == bg_plus_color_at_alpha)
        assert np.all(image_kps[~kps_mask] == [10, 10, 10])

开发者ID:aleju，项目名称:imgaug，代码行数:20，代码来源:test_kps.py

示例3: test_draw_on_image_size_3

# 需要导入模块: import imgaug [as 别名]
# 或者: from imgaug import KeypointsOnImage [as 别名]
def test_draw_on_image_size_3(self):
        kps = [ia.Keypoint(x=1, y=2), ia.Keypoint(x=3, y=4)]
        kpi = ia.KeypointsOnImage(keypoints=kps, shape=(5, 5, 3))
        image = np.zeros((5, 5, 3), dtype=np.uint8) + 10

        kps_mask = np.zeros(image.shape[0:2], dtype=np.bool)
        kps_mask[2, 1] = 1
        kps_mask[4, 3] = 1

        image_kps = kpi.draw_on_image(
            image, color=[0, 255, 0], size=3, copy=True,
            raise_if_out_of_image=False)
        kps_mask_size3 = np.copy(kps_mask)
        kps_mask_size3[2-1:2+1+1, 1-1:1+1+1] = 1
        kps_mask_size3[4-1:4+1+1, 3-1:3+1+1] = 1

        assert np.all(image_kps[kps_mask_size3] == [0, 255, 0])
        assert np.all(image_kps[~kps_mask_size3] == [10, 10, 10])

开发者ID:aleju，项目名称:imgaug，代码行数:20，代码来源:test_kps.py

示例4: test_draw_on_image_copy_is_false

# 需要导入模块: import imgaug [as 别名]
# 或者: from imgaug import KeypointsOnImage [as 别名]
def test_draw_on_image_copy_is_false(self):
        kps = [ia.Keypoint(x=1, y=2), ia.Keypoint(x=3, y=4)]
        kpi = ia.KeypointsOnImage(keypoints=kps, shape=(5, 5, 3))
        image = np.zeros((5, 5, 3), dtype=np.uint8) + 10

        kps_mask = np.zeros(image.shape[0:2], dtype=np.bool)
        kps_mask[2, 1] = 1
        kps_mask[4, 3] = 1

        image2 = np.copy(image)
        image_kps = kpi.draw_on_image(
            image2, color=[0, 255, 0], size=1, copy=False,
            raise_if_out_of_image=False)

        assert np.all(image2 == image_kps)
        assert np.all(image_kps[kps_mask] == [0, 255, 0])
        assert np.all(image_kps[~kps_mask] == [10, 10, 10])
        assert np.all(image2[kps_mask] == [0, 255, 0])
        assert np.all(image2[~kps_mask] == [10, 10, 10])

开发者ID:aleju，项目名称:imgaug，代码行数:21，代码来源:test_kps.py

示例5: test_draw_on_image_keypoint_is_outside_of_image

# 需要导入模块: import imgaug [as 别名]
# 或者: from imgaug import KeypointsOnImage [as 别名]
def test_draw_on_image_keypoint_is_outside_of_image(self):
        kps = [ia.Keypoint(x=1, y=2), ia.Keypoint(x=3, y=4)]
        kpi = ia.KeypointsOnImage(
            keypoints=kps + [ia.Keypoint(x=100, y=100)],
            shape=(5, 5, 3)
        )
        image = np.zeros((5, 5, 3), dtype=np.uint8) + 10

        kps_mask = np.zeros(image.shape[0:2], dtype=np.bool)
        kps_mask[2, 1] = 1
        kps_mask[4, 3] = 1

        image_kps = kpi.draw_on_image(
            image, color=[0, 255, 0], size=1, copy=True,
            raise_if_out_of_image=False)

        assert np.all(image_kps[kps_mask] == [0, 255, 0])
        assert np.all(image_kps[~kps_mask] == [10, 10, 10])

开发者ID:aleju，项目名称:imgaug，代码行数:20，代码来源:test_kps.py