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Jian Liu 2 years ago
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3 changed files with 67 additions and 0 deletions
  1. 1 0
      DATA.mat
  2. 65 0
      Fig1_example.m
  3. 1 0
      ImageData.mat

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DATA.mat

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+/annex/objects/MD5-s12998790--635dda755f299bb84a877179969adb3c

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Fig1_example.m

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+
+
+% load stimulus images
+% Natural images 1-300
+% Black image 301
+% Gray  image 302
+% While image 303
+load('ImageData.mat');
+imSize = 256; % 256x256 pixels
+
+% load Raster spikes and Receptive fields
+load('DATA.mat');
+
+% example cell and image in Fig.1
+CellID = 44;
+ImageID = 228;
+
+figure;
+set(gcf,'Position', [120 100 120+1000 100+850 ]);
+
+subplot(2,2,1)
+% Generate stimulus image
+buf = ImageData(:,ImageID);
+buf = reshape(buf,imSize,imSize);
+imagesc(buf);
+hold on;
+set(gca,'YDir','normal');
+colormap gray;
+caxis([-0.5 0.5])
+
+% Generate RF outline with 3 standard deviation
+RF = RF_parameter(CellID);
+i = zeros(2,1e3);
+for j=1:size(i,2)
+    alpha = 2*pi*(j-1)/(size(i,2)-1);
+    i(:,j) = 3*sqrtm(RF.sigma)*[cos(alpha);sin(alpha)]+RF.mu;
+end
+plot(i(1,:),i(2,:),'b','LineWidth',2);
+
+subplot(2,2,3)
+% Generate RF filter
+[X,Y] = meshgrid(1:imSize,1:imSize);
+RF_filter = normalPDF(X,Y, RF.mu, RF.sigma );
+RF_filter = RF_filter/max(RF_filter(:));
+imagesc(RF_filter)
+hold on
+set(gca,'YDir','normal');
+colormap gray;
+caxis([-0.5 0.5])
+plot(i(1,:),i(2,:),'b','LineWidth',2);
+
+% Get Raster
+data = squeeze(Raster_data(CellID,:,:,:));
+Raster = squeeze(data(ImageID,:,:));
+
+% Get all the trials for this cell
+NTrial = nnz(sum(Raster,1));
+Raster = Raster(:,1:NTrial)';
+
+subplot(2,2,[2 4])
+imagesc(Raster)
+set(gca,'YDir','normal');
+xlabel('Time')
+ylabel('Trial')
+

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ImageData.mat

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+/annex/objects/MD5-s27551004--8755bfa4bdcc12297aa45de5958aca47