图像处理之漫水填充算法(flood fill algorithm) 基本思想 漫水填充算法,顾名思义就像洪水漫过一样,把一块连通的区域填满,当然水要能漫过需要满足一定的条件,可以理解为满足条件的地方就是低洼的地方,水才能流过去。在图像处理中就是给定一个种子点作为起始点,向附近相邻的像素点扩散,把颜色相同或者相近的所有点都找出来,并填充上新的
package com.gloomyfish.paint.fill;import java.awt.image.BufferedImage;import com.gloomyfish.filter.study.AbstractBufferedImageOp;public class FloodFillAlgorithm extends AbstractBufferedImageOp {private BufferedImage inputImage;private int[] inPixels;private int width;private int height;// stack data structurep...
The flood fill algorithm takes three parameters: a start node, a target color, and a replacement color. The algorithm looks for all nodes in the array which are connected to the start node by a path of the target color, and changes them to the replacement color. There are many ways in ...
You are given a 2D grid image[][] of size n*m, where each image[i][j] represents the color of a pixel in the image. Also provided a coordinate(sr, sc) representing the starting pixel (row and column) and a new color value newColor. Your task is to perform a flood fill ...
泛洪填充算法(Flood Fill Algorithm) 泛洪填充算法又称洪水填充算法是在很多图形绘制软件中常用的填充算法,最熟悉不过就是 windows paint的油漆桶功能。算法的原理很简单,就是从一个点开始附近像素点,填充成新 的颜色,直到封闭区域内的所有像素点都被填充新颜色为止。泛红填充实现最常见有四邻域 ...
Flood fill algorithm can be simply modeled as graph traversal problem, representing the given area as a matrix and considering every cell of that matrix as a vertex that is connected to points above it, below it, to right of it, and to left of it and in case of 8-connections, to the...
泛洪填充算法(Flood Fill Algorithm) 泛洪填充算法又称洪水填充算法是在很多图形绘制软件中常用的填充算法,最熟悉不过就是 windows paint的油漆桶功能。算法的原理很简单,就是从一个点开始附近像素点,填充成新 的颜色,直到封闭区域内的所有像素点都被填充新颜色为止。泛红填充实现最常见有四邻域 ...
Hence, in this work, an effort will be given to make sure that the player can choose the start line (source) and the finish line (destination) while flood-fill algorithm calculates the shortest path for the car at a shortest possible time and helps the car to follow it fast enough. ...
网络填充算法;注入填充算法;图像处理之泛洪填充算法 网络释义
#include<cstdio>#include<cstring>#include<stack>#include<iterator>#include<queue>#include<set>#include<vector>#include<iostream>#include#include<string>#include<algorithm>usingnamespacestd; typedeflonglongll; typedef unsignedlonglongull;constintINF=0x3f3f3f3f;charG[1005][1005];intmark[1005][1005]...