From d218f8fb46a5e9c360673721972edaa2c38b11a5 Mon Sep 17 00:00:00 2001 From: WenmuZhou Date: Wed, 30 Jun 2021 10:37:43 +0800 Subject: [PATCH] del comment --- ppocr/data/imaug/copy_paste.py | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/ppocr/data/imaug/copy_paste.py b/ppocr/data/imaug/copy_paste.py index d8eb049b..357884fe 100644 --- a/ppocr/data/imaug/copy_paste.py +++ b/ppocr/data/imaug/copy_paste.py @@ -164,34 +164,18 @@ def get_intersection(pD, pG): def rotate_bbox(img, text_polys, angle, scale=1): - """ - 从给定的角度中选择一个角度,对图片和文本框进行旋转 - :param img: 图片 - :param text_polys: 文本框 - :param degrees: 角度,可以是一个数值或者list - :param same_size: 是否保持和原图一样大 - :return: 旋转后的图片和角度 - """ - # ---------------------- 旋转图像 ---------------------- w = img.shape[1] h = img.shape[0] - # 角度变弧度 rangle = np.deg2rad(angle) - # 计算旋转之后图像的w, h nw = (abs(np.sin(rangle) * h) + abs(np.cos(rangle) * w)) nh = (abs(np.cos(rangle) * h) + abs(np.sin(rangle) * w)) - # 构造仿射矩阵 rot_mat = cv2.getRotationMatrix2D((nw * 0.5, nh * 0.5), angle, scale) - # 计算原图中心点到新图中心点的偏移量 rot_move = np.dot(rot_mat, np.array([(nw - w) * 0.5, (nh - h) * 0.5, 0])) - # 更新仿射矩阵 rot_mat[0, 2] += rot_move[0] rot_mat[1, 2] += rot_move[1] - # ---------------------- 矫正bbox坐标 ---------------------- - # rot_mat是最终的旋转矩阵 - # 获取原始bbox的四个中点,然后将这四个点转换到旋转后的坐标系下 + # ---------------------- rotate box ---------------------- rot_text_polys = list() for bbox in text_polys: point1 = np.dot(rot_mat, np.array([bbox[0, 0], bbox[0, 1], 1])) -- GitLab