Traditional Culture Encyclopedia - Photography and portraiture - What does it mean to capture the whole road?
What does it mean to capture the whole road?
Introduction to snapshot
Stealing photos, also known as realistic photography, is a photography skill. Compared with camera tripod shooting or commodity photography, snapshot is to capture fleeting images in the target scene, such as a news event, social activities, children's smiles and wonderful goals in football matches.
Sometimes the other party agrees to take a snapshot, for example, the model takes a location, and some things happen suddenly, so it is too late to get the other party's consent, such as a traffic accident serial map. It is said that the latter was photographed secretly. The electronic eye uses induction wires to sense the pressure of cars on the road, and the signals are collected by the sensor to the central processor and sent to the register for temporary storage.
In the same time interval, if two pulse signals are generated at the same time, it is considered effective. Simply put, if the red light was red at that time, your front wheel crossed the line, and the rear wheel did not press the line, only one pulse was generated. When there are no two consecutive pulses, no pictures are taken.
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