Pytorch中的仿射变换(affine_grid) 在看 pytorch 的 Spatial Transformer Network 教程 时,在 stn 层中的 a... FoolishFlyFox 阅读 19,329 评论 3 赞 29
利用pytorch的affine_grid和grid_sample实现rroi_align 原始图片: import random import math import torch import numpy as np import torch.nn.functional as F import cv2 import matplotlib.pyplot as plt from data_gen import draw_box_points ...
" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ " ", " ", "Before proceeding further, let's recap all the classes you’ve seen so far. ", " ...
Start with a set of affine functions (affine because that’s what camera-projector-systems do) and repeatedly apply them to a set of points, taking the union at each step. Regardless of where you start, you will soon end up with a fractal structure which is the fixed point of the system.