1. A method for retrieving information from an original image, the method comprising: modifying one or more image characteristics to degrade the original image; providing the degraded image as a first task to at least one first remote worker or a crowdsourcing platform server, wherein the first task corresponds to an activity of tagging one or more regions of interest in the degraded image by the at least one first remote worker; receiving the one or more tagged regions of interest in response to the first task; and providing one or more second images as one or more second tasks to at least one second remote worker or the crowdsourcing platform server, wherein the one or more second images are generated based on the one or more tagged regions of interest, and wherein the one or more second tasks correspond to an activity of retrieving the information from the one or more second images, wherein the method is performed by one or more processors.