In this May magazine article, we took a look at the continued development of smart cameras, and how these relatively low-cost models may be able to effectively replace conventional cameras. By integrating lenses, sensors, processors, camera-to-computer interfaces, and software, these camera systems are engineered to replace PC systems that rely on separate camera, frame grabber, PC, and software components. At print time, more than 20 camera manufacturers were offering products that were being deployed in applications varying from barcode reading to industrial inspection.