lhidbshowscenes.m

This code can parse any image in matlab. Very elaborate code

function LHIdbshowscenes(D, HOMEIMAGES, HOMELABELMAPS, showsub, subimages)
%
% Shows all the images in the database with annotation.
% This function can be used in combination with LHIquery
%
% LHIdbshowscenes(D, HOMEIMAGES, HOMELABELMAPS, showsub, subimages)
% 
%  showsub:    Show subgraph or not
%  numPerpage: Number of images to show per figure, default 30

Nimages = length(D);

if nargin > 4
    Nx = subimages(1); Ny = subimages(2);
else
    Nx = 6; Ny = 5; % will show 6x5 images per figure
end

if nargin < 3
    pace = 1;
else
    pace = 2;
end

if nargin < 4
    showsub = 0;
end

if showsub == 1
    pace = pace + 1;
end
        
Dx = 1/Nx; Dy = 1/Ny; 

i = 0;
while i<Nimages
    handle = figure;
    maximize(handle);
    for y = Ny-1:-1:0
        for x = 0:pace:Nx-1
            i = i+1;
            if i>Nimages
                return
            end
            
            axes('position', [x*Dx y*Dy Dx Dy]); % create axis

            if nargin>1
                img = LHIimread(D, i, HOMEIMAGES); % Load image
                scaling = min(1,320/size(img,1)); % scale factor to create thumbnail
                [annotation, img] = LHIimscale(D(i).annotation, img, scaling, 'nearest'); % scale image


                [h,class] = LHIplot(annotation, img); % show image and polygons
                if nargin>2
                    labelMap = LHILMread(D, i, HOMELABELMAPS);
                    axes('position', [(x+1)*Dx y*Dy Dx Dy]);
                    imagesc(labelMap)
                    axis('off'); axis('equal'); axis('tight');
                    if showsub == 1
                        imgwhite = ones(size(img));
                        imgwhite(:) = 255;
                        axes('position', [(x+2)*Dx y*Dy Dx Dy]);
                        [h,class] = LHIplotsubgraph(annotation,imgwhite);
                    end
                end
            else
                [h,class] = LHIplot(D(i).annotation); % show polygons
                axis('ij')
            end
            drawnow
        end
    end
end