RCNNによる多クラス検出について
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現在以下のコードにてRCNNによる検出を行っています。テストイメージには検出したい物体が複数写っておりdetectコマンドで複数の物体を同時に検出したいと考えているのですができません。どのように改良を加えれば良いでしょうか
%%Load a pre-trained, deep, convolutional network
net = alexnet;
layersfirst = net.Layers
%%Delete Full Connected Layer
layersTransfer = layersfirst(1:end-3)
objectClasses = {'mouse','keyboard','mug','efan'};
numClassesPlusBackground = numel(objectClasses) + 1;
%%layers
layers = [layersTransfer
fullyConnectedLayer(numClassesPlusBackground,'WeightLearnRateFactor',20,'BiasLearnRateFactor',20)
softmaxLayer
classificationLayer]
%%RCNN
load ('TESTCHANGE.mat')
opts = trainingOptions('sgdm', 'InitialLearnRate', 0.001, 'MaxEpochs', 5, 'MiniBatchSize', 32);
rcnn = trainRCNNObjectDetector(TESTCHANGE,layers,opts,'NegativeOverlapRange',[0 0.3])
%%TEST
imDir = fullfile(matlabroot,'ImageData','TESTCHANGE');
addpath(imDir);
img = imread('TEST.jpg');
[bbox,score,label]=detect(rcnn,img,'MiniBatchSize',32);
[score,idx]=max(score);
bbox = bbox(idx,:);
annotation = sprintf('%s:(Confidence = %f)',label(idx),score)
detectedImg = insertObjectAnnotation(img,'rectangle',bbox,annotation);
figure
imshow(detectedImg)
rmpath(imDir);
どうかよろしくお願いします。
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