census变换matlab
时间: 2023-12-12 13:35:24 浏览: 72
census transform
根据提供的引用内容,没有直接与census变换相关的信息。但是,根据我的了解,census变换是一种用于计算图像相似性的算法,通常用于计算机视觉和图像处理领域。在MATLAB中,可以使用以下步骤进行census变换:
1. 读取图像并将其转换为灰度图像。
```matlab
inputImage = imread('image.jpg');
grayImage = rgb2gray(inputImage);
```
2. 计算census变换。
```matlab
censusTransform = zeros(size(grayImage));
for i = 2:size(grayImage, 1)-1
for j = 2:size(grayImage, 2)-1
centerPixel = grayImage(i,j);
binaryCode = 0;
binaryCode = binaryCode + (grayImage(i-1,j-1) > centerPixel) * 2^7;
binaryCode = binaryCode + (grayImage(i-1,j) > centerPixel) * 2^6;
binaryCode = binaryCode + (grayImage(i-1,j+1) > centerPixel) * 2^5;
binaryCode = binaryCode + (grayImage(i,j+1) > centerPixel) * 2^4;
binaryCode = binaryCode + (grayImage(i+1,j+1) > centerPixel) * 2^3;
binaryCode = binaryCode + (grayImage(i+1,j) > centerPixel) * 2^2;
binaryCode = binaryCode + (grayImage(i+1,j-1) > centerPixel) * 2^1;
binaryCode = binaryCode + (grayImage(i,j-1) > centerPixel) * 2^0;
censusTransform(i,j) = binaryCode;
end
end
```
3. 显示census变换结果。
```matlab
imshow(censusTransform, []);
```
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