Image resize in GUIDE GUI

Question

curoi 2015-2-3

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/174969-image-resize-in-guide-gui

评论： curoi 2015-2-3

I've been using a gui to analyze some images that get loaded into the gui axes. All of the images are photographs taken from the same digital camera with the same specifications. The image resolution is larger than the resolution of the axes and so the images get auto-resized. This is fine except for one image that gets resized with an aspect ratio that is way, way off from the image resolution.

Is there an easy way to specify the image aspect ratio just once that doesn't depend on how often the image gets loaded or which image it actual is?

thanks

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curoi 2015-2-3

在 MATLAB Online 中打开

                load( strcat( presavepath, '\', figname, '_Time_Coord.mat' ) );
                load( strcat( presavepath, '\', figname, '_HiLoMisc_pts.mat' ) );
                load( strcat( presavepath, '\', figname, '_Trimmed_File.mat' ) );
                cla;
                AA_trimmed = AA;
                for i = 1:length(x_i);
                    % Toggle the color?
                    AA_trimmed( y_i(i) + swath_size + 1:end, i, 1 ) = 256;
                    AA_trimmed( 1:y_i(i) - swath_size, i, 1 ) = 256;
                end
                imshow( AA_trimmed, 'Parent', aa )
                hold on;
                plot( aa, j_R, k_R, colorspec{ tog }, 'MarkerSize', 16, ...
                    'LineWidth', 2 );
                plot( aa, jlo, klo, 'ro', jhi, khi, 'go', jmisc, kmisc, 'co', ...
                    'MarkerSize', 16, 'LineWidth', 2 );
                for i = 1:length(j_R);
                    text( j_R(i), k_R(i) + 5, ['(', num2str( x_a(i)) , ',', ...
                        num2str( y_a(i) ), ')'], 'FontSize', 12 );
                end
                hold off;

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Answer 1

Image Analyst 2015-2-3

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/174969-image-resize-in-guide-gui#answer_166866

The aspect ratio does not change unless you did something to change it. Did you call "axis equal" or "axis square" or something like that? Did you call "hold on" at all? You might want to call "hold off" and/or "cla reset" before you call imshow().