# 旋转图像,90度,并扩展输出图像rotated_image=image.rotate(90,expand=True) 1. 2. 7. 结束语 旋转图像是Python图像处理中的基础技能。通过简单几行代码,您可以轻松实现图像的旋转,提升您的图像处理能力。希望本文能够帮助您在Python图像处理的学习过程中打下坚实的基础。接下来,您可以尝试更多图像处理的功能,如...
im = Image.new('RGBA',(200,200),'white') #Image.new函数新建一个图像,参数含义(颜色模式,图像大小(元组表示),背景色) 1. faceim = catlmg2.crop((335,345,565,560)) #crop函数裁切图像并返回一个新的Image对象,矩形元组(左[,上[,右),下)) 1. catlmg2 = catlmg.copy() #copy函数复制图像,...
Pygame allows us to load, create and render images to the screen. Naturally, when dealing with images we often wonder “How do we rotate an image in Pygame” before drawing it to the screen. Luckily Pygame provides built in functions for this purpose, so we do not have to rely on other...
leetcode 【 Rotate Image 】python 实现 题目: You are given annxn2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 代码:oj测试通过 Runtime: 53 ms 1classSolution:2#@param matrix, a list of lists of integers3#@return a...
原题地址:https://oj.leetcode.com/problems/rotate-image/ 题意: You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up:Could you do this in-place? 解题思路:先将矩阵转置,然后将矩阵的每一行翻转,就可以得到所要求的矩阵了。 代码: ...
如何使用Python解决Leetcode的Rotate Image问题? 题目: You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 思路分析: 最笨的方法,重新开辟一个矩阵空间,做旋转。(题目要求最好能就地旋转) 更好的方法:先将矩...
classSolution:defrotate(self,matrix):""":type matrix: List[List[int]]:rtype: void Do not return anything, modify matrix in-place instead."""m=len(matrix)n=len(matrix[0])foriinrange(m):forjinrange(i+1):self.swap(matrix,i,j,j,i)foriinrange(n//2):forjinrange(m):self.swap(ma...
EN要围绕其中心旋转曲面，我们首先旋转图像，然后获得一个新的矩形，我们将前一个矩形的center坐标传递到...
Leetcode-48-Rotate-Image Example : 代码语言: 运行次数: Given input matrix=[ [1,2,3],[4,5,6],[7,8,9]],rotate the input matrixin-place such that it becomes:[[7,4,1],[8,5,2],[9,6,3]]Given input matrix=[[5,1,9,11],...
Rotate the image by 90 degrees (clockwise). Note: You have to rotate the imagein-place, which means you have to modify the input 2D matrix directly.DO NOTallocate another 2D matrix and do the rotation. Example 1: Giveninput matrix= [ [1,2,3], [4,5,6], [7,8,9] ], rotate the...