This author has not been identified. Look up 'Lionel Heng' in GoogleThis author has not been identified. Look up 'Dominik Honegger' in GoogleThis author has not been identified. Look up 'Gim Hee Lee' in GoogleThis author has not been identified. Look up 'Lorenz Meier' in GoogleThis author has not been identified. Look up 'Petri Tanskanen' in GoogleThis author has not been identified. Look up 'Friedrich Fraundorfer' in GoogleThis author has not been identified. Look up 'Marc Pollefeys' in Google