{"description":"pyplot.imread \u3067\u30b0\u30ec\u30a4\u30b9\u30b1\u30fc\u30eb\u3067\u8aad\u307e\u305b\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u308b\u306e\u304c\u9762\u5012\u3060\u3063\u305f\u306e\u3067\u3001cv2 \u3092\u4f7f\u3046\u3002\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u3060\u3068\u3001FFT\u3068IFFT - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u89e6\u308c\u305f\u3088\u3046\u306a\u8272\u76f8\u306e\u554f\u984c\u3082\u4e00\u5fdc\u306a\u3055\u305d\u3046\u3002 #! /usr/bin/env python # -*- coding: utf-8 -*- import sys, os import numpy as np import cv2 from matplotlib import pyplot as plt img = cv2.imread(sys.argv[1], 0) # FFT f = np.fft.fft2(img) f = np.fft.\u2026","width":"100%","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","categories":["graphics"],"version":"1.0","published":"2016-01-30 20:01:54","url":"https://randommemory.hatenablog.com/entry/2016/01/30/200154","provider_name":"Hatena Blog","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/d/derwind/20160130/20160130195558.png","type":"rich","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F01%2F30%2F200154\" title=\"\u30d1\u30ef\u30fc\u30b9\u30da\u30af\u30c8\u30eb - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u30d1\u30ef\u30fc\u30b9\u30da\u30af\u30c8\u30eb","height":"190","author_url":"https://blog.hatena.ne.jp/derwind/","blog_url":"https://randommemory.hatenablog.com/","author_name":"derwind"}