How to convert selected image to gray scale using MATLAB GUI
1 回表示 (過去 30 日間)
古いコメントを表示
Hye,
Im using MATLAB GUI to select image it n convert it into gray scale And i get n error
Coding in gui
global cim
[filename pathname] = uigetfile({'*.jpg'},'File Selector');
cim = strcat(pathname,filename);
G=rgb2gray(cim)
axes(handles.axes1)
imshow(G)
Error
Error using rgb2gray>parse_inputs (line 80)
MAP must be a m x 3 array.
Error in rgb2gray (line 52)
isRGB = parse_inputs(X);
Error in GUI2>SI_Callback (line 84)
G=rgb2gray(cim)
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in GUI2 (line 42)
gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)GUI2('SI_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback.
0 件のコメント
回答 (1 件)
Mohammad Sami
2020 年 10 月 7 日
編集済み: Mohammad Sami
2020 年 10 月 7 日
Before you can process the image, you need to load it using imread.
Also it's a bad idea to directly concatenate file paths. For cross platform compatability use fullfile function instead.
cim = fullfile(pathname,filename);
cim = imread(cim);
G=rgb2gray(cim)
axes(handles.axes1)
imshow(G)
0 件のコメント
参考
カテゴリ
Help Center および File Exchange で Migrate GUIDE Apps についてさらに検索
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!