What is OCR (optical character recognition)? | Definition from TechTarget

The history of the camera spans several centuries, evolving from basic optical devices to the sophisticated digital systems we use today. Below is an overview of the key milestones: --- 1. The Camera Obscura (5th-15th Century) The camera obscura ("dark room") is the earliest form of a camera. It was used by scientists and artists to project an inverted image of a scene through a small hole onto a flat surface. Not a device for capturing images, it served primarily as a drawing aid. --- 2. Early

883K views · 10K reactions | The history of the camera spans several...