This disclosure provides a method, system and computer program product for denoising an image by extending a Block Matching and 3D Filtering algorithm to include decomposition of high contrast image blocks into multiple layers that are collaboratively filtered. The protective sleeve for portable electronic device includes a sleeve frame, a cover, and a turning structure. Additionally, the response system may have a locator configured to sense a parameter indicative of a location of the machine. At least one of the first and second nozzle lips is composed of a blade element. Methods and articles of manufacture are also disclosed.