pulling data and images

cvpr_computedescriptors.m

@@ -25,6 +25,7 @@ OUT_FOLDER = 'descriptors';
 % OUT_SUBFOLDER='avgRGB';
 OUT_SUBFOLDER='globalRGBhisto';
 % OUT_SUBFOLDER='spatialColour';
+% DESCRIPTOR_SUBFOLDER='spatialTexture';
 % OUT_SUBFOLDER='spatialColourTexture';
 
 allfiles=dir (fullfile([DATASET_FOLDER,'/Images/*.bmp']));
@@ -38,8 +39,9 @@ for filenum=1:length(allfiles)
     
     %% EXTRACT FUNCTION
 %     F=extractAvgRGB(img);
-    F=extractGlobalColHist(img);
+    F=extractGlobalColHist(img, 2, 1, 8, 0.05);
 %     F=extractSpatialColour(img, 2, 1);
+%     F=extractSpatialTexture(img, 2, 1, 8, 0.05);
 %     F=extractSpatialColourTexture(img);
     save(fout,'F');
     toc

cvpr_visualsearch_pca_image.m

@@ -30,6 +30,7 @@ DESCRIPTOR_FOLDER = 'descriptors';
 % DESCRIPTOR_SUBFOLDER='avgRGB';
 DESCRIPTOR_SUBFOLDER='globalRGBhisto';
 % DESCRIPTOR_SUBFOLDER='spatialColour';
+% DESCRIPTOR_SUBFOLDER='spatialTexture';
 % DESCRIPTOR_SUBFOLDER='spatialColourTexture';
 
 CATEGORIES = ["Farm Animal" 

cvpr_visualsearch_rand_image.m

@@ -30,6 +30,7 @@ DESCRIPTOR_FOLDER = 'descriptors';
 DESCRIPTOR_SUBFOLDER='avgRGB';
 % DESCRIPTOR_SUBFOLDER='globalRGBhisto';
 % DESCRIPTOR_SUBFOLDER='spatialColour';
+% DESCRIPTOR_SUBFOLDER='spatialTexture';
 % DESCRIPTOR_SUBFOLDER='spatialColourTexture';
 
 CATEGORIES = ["Farm Animal" 

cvpr_visualsearch_selected_image.m

@@ -30,6 +30,7 @@ DESCRIPTOR_FOLDER = 'descriptors';
 % DESCRIPTOR_SUBFOLDER='avgRGB';
 DESCRIPTOR_SUBFOLDER='globalRGBhisto';
 % DESCRIPTOR_SUBFOLDER='spatialColour';
+% DESCRIPTOR_SUBFOLDER='spatialTexture';
 % DESCRIPTOR_SUBFOLDER='spatialColourTexture';
 
 CATEGORIES = ["Farm Animal" 

descriptor/extractSpatialColourTexture.m

@@ -1,7 +1,4 @@
-function F=extractSpatialColourTexture(img)
-
-grid_rows = 8;
-grid_columns = 8;
+function F=extractSpatialColourTexture(img, grid_rows, grid_columns, bins, threshold)
 
 img_size = size(img);
 img_rows = img_size(1);
@@ -43,7 +40,7 @@ for i = 1:grid_rows
         avg_vals = extractAvgRGB(img_cell);
         [mag_img, angle_img] = getEdgeInfo(grey_img_cell);
         
-        edge_hist = getEdgeAngleHist(mag_img, angle_img, 8, 0.05);
+        edge_hist = getEdgeAngleHist(mag_img, angle_img, bins, threshold);
         
         %concatenate average values into vector
         descriptor = [descriptor edge_hist avg_vals(1) avg_vals(2) avg_vals(3)];

descriptor/extractSpatialTexture.m

@@ -0,0 +1,50 @@
+function F=extractSpatialTexture(img, grid_rows, grid_columns, bins, threshold)
+
+img_size = size(img);
+img_rows = img_size(1);
+img_cols = img_size(2);
+
+row_divs = [];
+for i = 1:grid_rows
+    row_divs(i) = i/grid_rows;
+end
+col_divs = [];
+for i = 1:grid_columns
+    col_divs(i) = i/grid_columns;
+end
+
+descriptor = [];
+%% divide image into sectors as defined grid parameters
+for i = 1:grid_rows
+    for j = 1:grid_columns
+        
+        % cell row pixel range
+        row_start = round( (i-1)*img_rows/grid_rows );
+        if row_start == 0
+            row_start = 1;
+        end
+        row_end = round( i*img_rows/grid_rows );
+        
+        % cell column pixel range
+        col_start = round( (j-1)*img_cols/grid_columns );
+        if col_start == 0
+            col_start = 1;
+        end
+        col_end = round( j*img_cols/grid_columns );
+        
+        % grab cell from parameters as above
+        img_cell = img(row_start:row_end, col_start:col_end, :);
+        grey_img_cell = getGreyscale(img_cell);
+        
+        [mag_img, angle_img] = getEdgeInfo(grey_img_cell);
+        
+        edge_hist = getEdgeAngleHist(mag_img, angle_img, bins, threshold);
+        
+        %concatenate average values into vector
+        descriptor = [descriptor edge_hist];
+        
+    end
+end
+
+F=descriptor;
+return;

parameter_iter_selected_image.m

@@ -61,8 +61,10 @@ QUERY_INDEXES=[301 358 384 436 447 476 509 537 572 5 61 80 97 127 179 181 217 26
 
 map = [];
 
-for b=1:3
-    for c=1:3
+thresholded = [0.01:0.01:0.15];
+
+for b=1:15
+%     for c=1:10
 
 %% 1) Load all the descriptors into "ALLFEAT"
 %% each row of ALLFEAT is a descriptor (is an image)
@@ -71,23 +73,6 @@ ALLFEAT=[];
 ALLFILES=cell(1,0);
 ALLCATs=[];
 ctr=1;
-% allfiles=dir (fullfile([DATASET_FOLDER,'/Images/*.bmp']));
-% for filenum=1:length(allfiles)
-%     fname=allfiles(filenum).name;
-%     
-%     %identify photo category for PR calculation
-%     split_string = split(fname, '_');
-%     ALLCATs(filenum) = str2double(split_string(1));
-%     
-%     imgfname_full=([DATASET_FOLDER,'/Images/',fname]);
-%     img=double(imread(imgfname_full))./255;
-%     thesefeat=[];
-%     featfile=[DESCRIPTOR_FOLDER,'/',DESCRIPTOR_SUBFOLDER,'/',fname(1:end-4),'.mat'];%replace .bmp with .mat
-%     load(featfile,'F');
-%     ALLFILES{ctr}=imgfname_full;
-%     ALLFEAT=[ALLFEAT ; F];
-%     ctr=ctr+1;
-% end
 
 allfiles=dir (fullfile([DATASET_FOLDER,'/Images/*.bmp']));
 for filenum=1:length(allfiles)
@@ -104,8 +89,9 @@ for filenum=1:length(allfiles)
     %% EXTRACT FUNCTION
 %     F=extractAvgRGB(img);
 %     F=extractGlobalColHist(img);
-    F = extractSpatialColour(img, b, c);
-%     F=extractSpatialColourTexture(img);
+%     F = extractSpatialColour(img, b, c);
+    F=extractSpatialTexture(img, 4, 4, 7, thresholded(1,b));
+%     F=extractSpatialColourTexture(img, b, c, 8, 0.08);
 %     toc
     
     ALLFEAT=[ALLFEAT ; F];
@@ -150,9 +136,9 @@ for iteration=1:CAT_TOTAL
 
     query_row = dst(1,:);
     query_category = query_row(1,3);
-    if query_category ~= iteration
-        dst
-    end
+%     if query_category ~= iteration
+%         dst
+%     end
     fprintf('category was %s\n', CATEGORIES(query_category))
     
     dst = dst(2:NIMG, :);
@@ -272,9 +258,11 @@ AP_sd = std(AP_values)
 % xlabel('Run');
 % ylabel('Average Precision');
 
-fprintf('%i,%i %i', b, c, MAP);
+% fprintf('%i,%i %i', b, c, MAP);
+fprintf('%i,%i', b, MAP);
 
-map(b, c) = MAP;
+% map(b, c) = MAP;
+map(b) = MAP;
 
-    end
+%     end
 end

report/coursework.lyx

@@ -1123,9 +1123,6 @@ Mean precision recall curve for histogram
 \end_inset
 
 
-\end_layout
-
-\begin_layout Standard
 \begin_inset Float figure
 wide false
 sideways false
@@ -1179,7 +1176,7 @@ status open
 \align center
 \begin_inset Graphics
 	filename /home/andy/dev/matlab/cv-coursework/data/spatialColour/mapSurface2.png
-	lyxscale 40
+	lyxscale 20
 	width 50col%
 
 \end_inset
@@ -1187,7 +1184,7 @@ status open
 
 \begin_inset Graphics
 	filename /home/andy/dev/matlab/cv-coursework/data/spatialColour/mapSurfaceWithMax.png
-	lyxscale 40
+	lyxscale 20
 	width 50col%
 
 \end_inset
@@ -1222,12 +1219,279 @@ name "fig:glo-col-hist-map-surfaces"
 \end_inset
 
 
+\end_layout
+
+\begin_layout Subsection
+Spatial Texture
+\end_layout
+
+\begin_layout Standard
+\begin_inset Float figure
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+
+\end_layout
+
+\begin_layout Plain Layout
+\align center
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/10_14_s.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset space \quad{}
+\end_inset
+
+
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/10_14_flower_edge.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset Caption Standard
+
+\begin_layout Plain Layout
+Image 10_14_s from the flower category followed by visualisation of detected
+ edges
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\begin_inset Float figure
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\align center
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/5_15_s.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset space \quad{}
+\end_inset
+
+
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/5_15_cow_edge.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset Caption Standard
+
+\begin_layout Plain Layout
+Image 5_15_s from the cow category followed by visualisation of detected
+ edges
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Plain Layout
+
+\end_layout
+
+\end_inset
+
+
+\begin_inset Float figure
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\align center
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/flower-t-0.01.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset space \quad{}
+\end_inset
+
+
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/cow-t-0.01.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Plain Layout
+\begin_inset Caption Standard
+
+\begin_layout Plain Layout
+Angle magnitude images after threshold = 0.01
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Plain Layout
+
+\end_layout
+
+\end_inset
+
+
+\begin_inset Float figure
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\align center
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/flower-t-0.08.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset space \quad{}
+\end_inset
+
+
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/cow-t-0.08.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset Caption Standard
+
+\begin_layout Plain Layout
+Angle magnitude images after threshold = 0.08
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\begin_inset Float figure
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\align center
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/flower-t-0.2.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset space \quad{}
+\end_inset
+
+
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/edgeThresholds/cow-t-0.2.png
+	lyxscale 30
+	width 20col%
+
+\end_inset
+
+
+\begin_inset Caption Standard
+
+\begin_layout Plain Layout
+Angle magnitude images after threshold = 0.2
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\begin_inset Float figure
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\align center
+\begin_inset Graphics
+	filename /home/andy/dev/matlab/cv-coursework/data/spatialTexture/map-bin-vary.png
+	lyxscale 30
+	width 80col%
+
+\end_inset
+
+
+\begin_inset Caption Standard
+
+\begin_layout Plain Layout
+Mean average precision values for varying numbers of bins, grid size 4x4,
+ threshold 0.08
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Plain Layout
+
+\end_layout
+
+\end_inset
+
+
 \end_layout
 
 \begin_layout Subsection
 Spatial Colour and Texture
 \end_layout
 
+\begin_layout Subsection
+Principal Component Analysis
+\end_layout
+
 \begin_layout Section
 Discussion
 \end_layout

scratch.m

@@ -1,2 +1,10 @@
 
-loadDescriptors()
+img = double(imread('dataset/Images/5_15_s.bmp'))./255;
+
+img = getGreyscale(img);
+
+[mag_img, angle_img] = getEdgeInfo(img);
+
+imshow(mag_img > 0.01);
+
+export_fig(mag_img > 0.01);