function plot_detections(imageFile, csvFile, threshold)

A = imread(imageFile);

results = csvread(csvFile);

% cut results off at the threshold

for i=1:size(results,1)

    if results(i,3) < threshold

        results = results(1:i-1,:);

            break

    end

end

% mark detections

for i=1:size(results,1)

    A = insertShape(A, 'FilledCircle', [results(i,2) results(i,1) 10], 'Opacity', 1);

end

imwrite(A,'detections.bmp')