MATLAB: Remove “Offset” caption from a Simulink graph

graphsimulink

I have updated MATLAB R2020b Update 2 (win64) to Update 3. I have a Simulink model with several Scope blocks. After I run a simulation, I double-click on one of these blocks to access a Simulink graph. Then I Copy to Clipboard the contents of this graph.

After I paste the copied image, the lower left corner of the inserted image looks like:

My question is, how can I remove this "Offset=0" caption? MATLAB R2020b Update 2 does not seem to put this caption on the copied images, but Update 3 does.

I tried to Print to Figure first and as you can see on the following screenshot this caption is present.

However, it is possible to Edit Plot to select the caption and remove it.

But I do not know how to save this edited Figure in the same (white-blue) colormap as graphs copied to clipboard have.

Best Answer

Must be something else. I have R2020b Update 3. I tried and it didn't have "Offset=0" text.
Check MATLAB preference, figure copy template, although I don't see anything related.
If print to figure, whitebg() might helpful to turn the background color to white.

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MATLAB: Color detected region in an image

Why is it called tophatFiltered when you actually used a bottom hat filter? Let's just call it filteredImage. Try this code:

clc;    % Clear the command window.
close all;  % Close all figures (except those of imtool.)
clear;  % Erase all existing variables. Or clearvars if you want.
workspace;  % Make sure the workspace panel is showing.
format long g;
format compact;
fontSize = 20;
% Read in a standard MATLAB gray scale demo image.

folder = fileparts(which('cameraman.tif')); % Determine where demo folder is (works with all versions).

button = menu('Use which demo image?', 'CameraMan', 'Moon', 'Eight', 'Coins', 'Pout');
if button == 1
  baseFileName = 'cameraman.tif';
elseif button == 2
  baseFileName = 'moon.tif';
elseif button == 3
  baseFileName = 'eight.tif';
elseif button == 4
  baseFileName = 'coins.png';
else
  baseFileName = 'pout.tif';
end
%===============================================================================
% Read in a standard MATLAB gray scale demo image.
folder = fileparts(which('cameraman.tif')); % Determine where demo folder is (works with all versions).
% Get the full filename, with path prepended.
fullFileName = fullfile(folder, baseFileName);
% Read in the image
original = imread(fullFileName);
subplot(2, 2, 1);
imshow(original, []);
title('Original Grayscale Image', 'FontSize', fontSize, 'Interpreter', 'None');
se = strel('disk',12);
filteredImage = imbothat(original,se);
subplot(2, 2, 2);
imshow(filteredImage, []);
title('Filtered Grayscale Image', 'FontSize', fontSize, 'Interpreter', 'None');
% Threshold the image.
binaryImage = filteredImage > 128  %< 60;
subplot(2, 2, 3);
imshow(binaryImage, []);
title('Binary Image', 'FontSize', fontSize, 'Interpreter', 'None');
% Make an RGB image.  Make individual color channels first.
redChannel = original;
greenChannel = original;
blueChannel = original;
% Now make the image red where the binary image is
redChannel(binaryImage) = 255;
greenChannel(binaryImage) = 0;
blueChannel(binaryImage) = 0;
% Recombine separate color channels into a single, true color RGB image.
rgbImage = cat(3, redChannel, greenChannel, blueChannel);
% Display the rgb image.
subplot(2, 2, 4);
imshow(rgbImage, []);
title('Original Image with Spots Overlaid', 'FontSize', fontSize, 'Interpreter', 'None');

MATLAB: [Help me,please] How to crop image, remove background of currency

This code will do it:

clc;    % Clear the command window.
% close all;  % Close all figures (except those of imtool.)
% clear;  % Erase all existing variables. Or clearvars if you want.
workspace;  % Make sure the workspace panel is showing.
format long g;
format compact;
fontSize = 20;
%===============================================================================
% Read in a standard MATLAB color demo image.
folder = pwd;
baseFileName = 'bmbkK.jpg';
% Get the full filename, with path prepended.
fullFileName = fullfile(folder, baseFileName);
if ~exist(fullFileName, 'file')
  % Didn't find it there.  Check the search path for it.
  fullFileName = baseFileName; % No path this time.
  if ~exist(fullFileName, 'file')
    % Still didn't find it.  Alert user.
    errorMessage = sprintf('Error: %s does not exist.', fullFileName);
    uiwait(warndlg(errorMessage));
    return;
  end
end
rgbImage = imread(fullFileName);
% Get the dimensions of the image.  numberOfColorChannels should be = 3.
[rows, columns, numberOfColorChannels] = size(rgbImage);
% Display the original color image.
subplot(2, 3, 1);
imshow(rgbImage);
title('Original Color Image', 'FontSize', fontSize, 'Interpreter', 'None');
% Enlarge figure to full screen.
set(gcf, 'Units', 'Normalized', 'Outerposition', [0, 0, 1, 1]);
hsvImage = rgb2hsv(rgbImage);
sImage = hsvImage(:, :, 2);
subplot(2, 3, 2);
imshow(sImage, []);
title('Saturation Image', 'FontSize', fontSize, 'Interpreter', 'None');
subplot(2, 3, 3);
histogram(sImage);
grid on;
title('Histogram of Saturation Image', 'FontSize', fontSize, 'Interpreter', 'None');
% Threshold.
mask = sImage > 0.1;
% Extract biggest blob.
mask = bwareafilt(mask, 1);
% Fill holes.
mask = imfill(mask, 'holes');
subplot(2, 3, 4);
imshow(mask);
title('Mask Image', 'FontSize', fontSize, 'Interpreter', 'None');
% Get bounding box.
props = regionprops(logical(mask), 'BoundingBox');
% Crop image.
croppedImage = imcrop(rgbImage, props.BoundingBox);
subplot(2, 3, 5);
imshow(croppedImage);
title('Cropped Image', 'FontSize', fontSize, 'Interpreter', 'None');

Best Answer

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