how to convert a graph from the satellite data to an image form

조회 수: 3 (최근 30일)
Jincy
Jincy 2023년 5월 15일
답변: Walter Roberson 2023년 5월 15일
% Import satellite data
set_data = imread('satellite_data.jpg');
% Reshape the data into an image format
sat_image = reshape(sat_data,[512 ,512]);
% Apply a filter to smooth the image
sat_image_filtered = medfilt2(sat_image, [3,3]);
% Display the image
imshow(sat_image_filtered);

답변 (2개)

Shaik
Shaik 2023년 5월 15일
% Import satellite data
sat_data = imread('satellite_data.jpg');
% Reshape the data into an image format
[rows, columns, ~] = size(sat_data);
sat_image = reshape(sat_data, rows, columns);
% Apply a filter to smooth the image
sat_image_filtered = medfilt2(sat_image, [3, 3]);
% Display the image
imshow(sat_image_filtered);
Hi, try this

Walter Roberson
Walter Roberson 2023년 5월 15일
jpg files are almost always rgb (but on rare occasions are grayscale). If the file is rgb then the number of elements in the file is a multiple of 3. You reshape the image to 512 by 512, but that implies that you have 2^18 elements in the file and that is never a multiple of 3.
I wonder if you want imresize instead of reshape()?

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