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add RGB to Grayscale conversion
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+93
-24
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3 files changed

+93
-24
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‎ImageM/+imagem/+actions/+image/ConvertRGBImageToGrayscale.m‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,68 @@
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classdef ConvertRGBImageToGrayscale < imagem.actions.CurrentImageAction
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% One-line description here, please.
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%
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% Class ConvertRGBImageToGrayscale
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%
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% Example
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% ConvertRGBImageToGrayscale
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%
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% See also
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%
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-04-08, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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%% Properties
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properties
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end % end properties
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%% Constructor
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methods
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function obj = ConvertRGBImageToGrayscale(varargin)
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% Constructor for ConvertRGBImageToGrayscale class.
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end
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end % end constructors
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%% Methods
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methods
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function run(obj, frame) %#ok<INUSL,INUSD>
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% get handle to current doc
39+
doc = frame.Doc;
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% check image type
42+
if ~isColorImage(doc.Image)
43+
errordlg('Requires a Color image', 'Image Format Error');
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return;
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end
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47+
% convert RGB image to grayscale image with uint8 data
48+
res = rgb2gray(doc.Image);
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% add new image to application, and create new display
51+
[frame2, doc2] = createImageFrame(frame, res); %#ok<ASGLU>
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% add history
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string = sprintf('%s = rgb2gray(%s);\n', ...
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doc2.Tag, doc.Tag);
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addToHistory(frame, string);
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end
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function b = isActivable(obj, frame) %#ok<INUSL>
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doc = frame.Doc;
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b = ~isempty(doc) && ~isempty(doc.Image) && isColorImage(doc.Image);
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end
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end % end methods
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end % end classdef
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‎ImageM/+imagem/+actions/+image/ImageConvertType.m‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
1-
classdef ImageConvertType < imagem.actions.CurrentImageAction
2-
% Convert the type (grayscale, label...) of the current image.
1+
classdef ImageConvertType < imagem.actions.ScalarImageAction
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% Convert the type (grayscale, label...) of the current (scalar) image.
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%
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% Class ImageConvertTypeAction
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%
@@ -11,7 +11,7 @@
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% ------
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% Author: David Legland
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% e-mail: david.legland@inra.fr
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% e-mail: david.legland@inrae.fr
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% Created: 2016-01-06, using Matlab 8.6.0.267246 (R2015b)
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% Copyright 2016 INRA - BIA-BIBS.
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@@ -45,13 +45,13 @@ function run(obj, frame) %#ok<INUSD>
4545
doc = currentDoc(frame);
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4747
% apply the conversion operation
48-
res = Image(doc.Image, 'type', obj.TypeName);
48+
res = Image(doc.Image, 'Type', obj.TypeName);
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5050
% create a new doc
5151
newDoc = addImageDocument(frame, res);
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5353
% add history
54-
string = sprintf('%s = Image(%s, ''type'', ''%s'');\n', ...
54+
string = sprintf('%s = Image(%s, ''Type'', ''%s'');\n', ...
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newDoc.Tag, doc.Tag, obj.TypeName);
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addToHistory(frame, string);
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end

‎ImageM/+imagem/+gui/FrameMenuBuilder.m‎

Lines changed: 20 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -132,18 +132,19 @@ function buildImageFrameMenu(obj, hf)
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addMenuItem(obj, convertTypeMenu, imagem.actions.image.ImageConvertType('label'), 'Label');
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convertMenu = addMenu(obj, imageMenu, 'Convert Data Type');
135-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertDataType('uint8'), 'UInt8 (Grayscale)');
136-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertDataType('uint16'), 'UInt16 (Grayscale)');
137-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertDataType('single'), 'Single (Intensity)');
135+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertDataType('uint8'), 'UInt8 (Grayscale)');
136+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertDataType('uint16'), 'UInt16 (Grayscale)');
137+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertDataType('single'), 'Single (Intensity)');
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140140
convertMenu = addMenu(obj, imageMenu, 'Convert', 'Separator', 'on');
141-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertImage3DToVectorImage(), '3D Image to Vector Image');
142-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertVectorImageToImage3D(), 'Vector Image to 3D Image');
143-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertVectorImageToRGB(), 'Vector Image to RGB');
144-
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertScalarImageToRGB(), 'Intensity Image to RGB', 'Separator', 'on');
145-
addMenuItem(obj, convertMenu, imagem.actions.image.UnfoldVectorImage(), 'Unfold Vector Image to Table', 'Separator', 'on');
146-
addMenuItem(obj, convertMenu, imagem.actions.image.UnfoldVectorImageWithMask(), 'Unfold Vector Image Within Mask to Table...');
141+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertRGBImageToGrayscale(), 'RGB to Grayscale');
142+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertImage3DToVectorImage(), '3D Image to Vector Image');
143+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertVectorImageToImage3D(), 'Vector Image to 3D Image');
144+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertVectorImageToRGB(), 'Vector Image to RGB');
145+
addMenuItem(obj, convertMenu, imagem.actions.image.ConvertScalarImageToRGB(), 'Intensity Image to RGB', 'Separator', 'on');
146+
addMenuItem(obj, convertMenu, imagem.actions.image.UnfoldVectorImage(), 'Unfold Vector Image to Table', 'Separator', 'on');
147+
addMenuItem(obj, convertMenu, imagem.actions.image.UnfoldVectorImageWithMask(), 'Unfold Vector Image Within Mask to Table...');
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148149
colorMenu = addMenu(obj, imageMenu, 'Color and channels');
149150
addMenuItem(obj, colorMenu, imagem.actions.image.SplitImageRGB(), 'Split RGB');
@@ -251,20 +252,20 @@ function buildImageFrameMenu(obj, hf)
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252253
processMenu = addMenu(obj, hf, 'Process');
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254-
addMenuItem(obj, processMenu, imagem.actions.process.AdjustImageDynamic(), 'Adjust Dynamic');
255-
addMenuItem(obj, processMenu, imagem.actions.process.ImageReplaceValue(), 'Replace Value(s)...');
255+
addMenuItem(obj, processMenu, imagem.actions.process.AdjustImageDynamic(), 'Adjust Dynamic');
256+
addMenuItem(obj, processMenu, imagem.actions.process.ImageReplaceValue(), 'Replace Value(s)...');
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% filtersMenu = addMenu(obj, processMenu, 'Filters', 'Separator', 'on');
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259-
addMenuItem(obj, processMenu, imagem.actions.process.ImageBoxMeanFilter(), 'Box Mean Filter...', 'Separator', 'on');
260-
addMenuItem(obj, processMenu, imagem.actions.process.ImageMedianFilter(), 'Median Filter...');
260+
addMenuItem(obj, processMenu, imagem.actions.process.ImageBoxMeanFilter(), 'Box Mean Filter...', 'Separator', 'on');
261+
addMenuItem(obj, processMenu, imagem.actions.process.ImageMedianFilter(), 'Median Filter...');
261262
addMenuItem(obj, processMenu, imagem.actions.process.ImageGaussianFilter(), 'Gaussian Filter...');
262263
addMenuItem(obj, processMenu, imagem.actions.process.ImageMorphologicalFilter(), 'Morphological Filter...');
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264-
addMenuItem(obj, processMenu, imagem.actions.process.ImageGradient(), 'Gradient', ...
265+
addMenuItem(obj, processMenu, imagem.actions.process.ImageGradient(), 'Gradient', ...
265266
'Separator', 'on', 'Accelerator', 'G');
266267
addMenuItem(obj, processMenu, imagem.actions.process.ImageGradientVector(), 'Gradient Vector');
267-
addMenuItem(obj, processMenu, imagem.actions.process.VectorImageNorm(), 'Norm');
268+
addMenuItem(obj, processMenu, imagem.actions.process.VectorImageNorm(), 'Norm');
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269270
% several operators based on connectivity (and reconstruction)
270271
connectOpMenu = addMenu(obj, processMenu, 'Connectivity-based Operators', 'Separator', 'on');
@@ -278,17 +279,17 @@ function buildImageFrameMenu(obj, hf)
278279
addMenuItem(obj, connectOpMenu, imagem.actions.process.ImageImposeMinima(), 'Impose Minima...');
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280281
% Threshold sub-menu
281-
addMenuItem(obj, processMenu, imagem.actions.process.ImageThreshold(), 'Manual Threshold...', ...
282+
addMenuItem(obj, processMenu, imagem.actions.process.ImageThreshold(), 'Manual Threshold...', ...
282283
'Separator', 'on', 'Accelerator', 'T');
283284
addMenuItem(obj, processMenu, imagem.actions.process.ImageAutoThresholdOtsu(), 'Auto Threshold (Otsu)');
284285
addMenuItem(obj, processMenu, imagem.actions.process.ImageMaxEntropyThreshold(), 'Auto Threshold (Max Entropy)');
285286
addMenuItem(obj, processMenu, imagem.actions.process.ImageKMeansSegmentation(), 'K-Means Segmentation');
286287
addMenuItem(obj, processMenu, imagem.actions.process.ImageWatershed(), 'Watershed...');
287288
addMenuItem(obj, processMenu, imagem.actions.process.ImageExtendedMinWatershed(), 'Extended Min Watershed...');
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289-
addMenuItem(obj, processMenu, imagem.actions.process.ImageArithmetic(), 'Image Arithmetic...', true);
290+
addMenuItem(obj, processMenu, imagem.actions.process.ImageArithmetic(), 'Image Arithmetic...', true);
290291
addMenuItem(obj, processMenu, imagem.actions.process.ImageValuesTransform(), 'Image Maths 1...');
291-
addMenuItem(obj, processMenu, imagem.actions.process.ImageMathematic(), 'Image Maths 2...');
292+
addMenuItem(obj, processMenu, imagem.actions.process.ImageMathematic(), 'Image Maths 2...');
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293294
binaryMenu = addMenu(obj, processMenu, 'Binary / Label Images', 'Separator', 'On');
294295
addMenuItem(obj, binaryMenu, imagem.actions.process.binary.ConnectedComponentsLabeling(), 'Connected Components Labeling');
@@ -301,7 +302,7 @@ function buildImageFrameMenu(obj, hf)
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302303
addMenuItem(obj, binaryMenu, imagem.actions.process.binary.ImageBooleanOp(), 'Boolean Operation...', true);
303304
addMenuItem(obj, binaryMenu, imagem.actions.process.binary.BinaryImageOverlay(), 'Image Overlay...');
304-
addMenuItem(obj, binaryMenu, imagem.actions.process.ImageLabelToRgb(), 'Label To RGB...');
305+
addMenuItem(obj, binaryMenu, imagem.actions.process.ImageLabelToRgb(), 'Label To RGB...');
305306
addMenuItem(obj, binaryMenu, imagem.actions.process.CreateLabelValuesMap(), 'Create Label Values Map...');
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307308

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