1.平移
随机获取平移点后直接平移图像即可。
2.旋转
先利用cv2.getRotationMatrix2D(获得仿射变化矩阵),再cv2.warpAffine(进行仿射变化),如:
angle = np.random.randint(0, 90, 1)[0] # 随机获取旋转角度 0-90顺时针
h, w = image.shape[0],image.shape[1]
M = cv2.getRotationMatrix2D((w/2,h/2),angle,1)
res = cv2.warpAffine(image,M,(h,w))
3.融合
可以使用泊松融合,参考我的另一篇博客
https://blog.youkuaiyun.com/TTTree_/article/details/119779218
也可以使用alpha blending:
https://blog.youkuaiyun.com/lkiller_hust/article/details/53470557
https://www.aiuai.cn/aifarm1237.html
https://www.jb51.cc/python/186755.html
https://blog.youkuaiyun.com/lkiller_hust/article/details/53470557
记录几篇很棒的文章
https://www.jb51.net/article/167587.htm
https://blog.youkuaiyun.com/wss794/article/details/90521962
包含label:
https://blog.youkuaiyun.com/qq_16564093/article/details/106000209
旋转:https://www.cnblogs.com/my-love-is-python/p/10959612.html
https://www.cnblogs.com/yibeimingyue/p/11452110.html