Presentation on theme: "Machine Vision Applications Cae Study No. 5 Bottles and Labels."— Presentation transcript:
Machine Vision Applications Cae Study No. 5 Bottles and Labels
The Product Square, clear, glass bottles Transported on a continuously moving conveyor Bottles are filled with a clear yellow fluid. Orientated so that the labels face the camera. Small multi-coloured labels –Block colours –Blending of colours Labels have three highly saturated colours: yellow, mauve and orange.
Lighting, Viewing and Camera Silhouette and fill level –Back-lighting (Methods 17 & 18) –Dark-field lighting (Methods 20 & 21) Labels (diffuse front lighting, Method 11) –Turbo-charged LED arrays Benefits Avoiding danger Camera –Line-scan camera Must measure conveyor belt speed accurately –Array camera with fast shutter Sensing bottle is in place –Proximity sensor can spoil the image