A peak element is an element that is greater than its neighbors. Given an input array nums, where nums[i] ≠ nums[i+1], find a peak element and return its index. The array may contain multiple peaks, in that case return the index to any one of the pea…
--------------------------------------- 按照给定的峰值定义,峰值的左半部分一定是递增的,所以只要找到不递增的即可. AC代码: class Solution { /** * @param A: An integers array. * @return: return any of peek positions. */ public int findPeak(int[] A) { for(int i=1;i<A.length;i++){ if(A[i]>=…
A peak element is an element that is greater than its neighbors. Given an input array where num[i] ≠ num[i+1], find a peak element and return its index. The array may contain multiple peaks, in that case return the index to any one of the peaks is fi…
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python skimage图像处理(三) This blog is from: https://www.jianshu.com/p/7693222523c0 霍夫线变换 在图片处理中,霍夫变换主要是用来检测图片中的几何形状,包括直线.圆.椭圆等.在skimage中,霍夫变换是放在tranform模块内,本篇主要讲解霍夫线变换.对于平面中的一条直线,在笛卡尔坐标系中,可用y=mx+b来表示,其中m为斜率,b为截距.但是如果直线是一条垂直线,则m为无穷大,所有通常我们在另一坐标系中表示直线,即极…