Comparison among methods of background selection. A Manual Eraser method; resulting image, arrow showing the amount of background removed after 45 min. B Manual Eraser method; magnified detail of removed background. C Background Eraser method; resulting image. D Background Eraser method; magnified detail showing imperfections in cropping and artefacts in the background. E Chroma method; resulting image, object with green halo. F Chroma method; magnified detail. G Chroma+ method, resulting image (Photoshop). H Chroma+ method; magnified detail after using Photoshop. I Chroma+ method; magnified detail after using GIMP.