摘要：# -*- coding: utf-8 -*- import matplotlib.pyplot as plt import numpy as np import pywt from matplotlib.font_manager import FontProperties sampling_rate = 1024 t = np.arange(0, 1.0, 1.0 / sampling_r... 阅读全文

摘要：import cv2 import numpy as np cap = cv2.VideoCapture("D:/Workspace/week2/test/test_256_12.mp4") ret, frame1 = cap.read() prvs = cv2.cvtColor(frame1,cv2.COLOR_BGR2GRAY) hsv = np.zeros_like(frame1) hs... 阅读全文

摘要：var add = (function () { var counter = 0; return function () { return counter += 1;} })(); add(); add(); add(); 相当于定义了一个匿名函数，匿名函数里定义了一个计数器数字，匿名函数的返回是一 阅读全文