3D ToF Camera

3D ToF Camera Introduction

3D Time-of-Flight (ToF) camera is an advanced optical sensing device that enables accurate 3D spatial perception by measuring the time it takes for light to travel from the camera to a target object and back. Operating on the principle of time-of-flight measurement, the camera emits modulated near-infrared (NIR) light signals, which bounce off the surfaces of surrounding objects. By calculating the phase difference between the emitted and reflected signals, the ToF camera can precisely determine the distance of each pixel in the scene, thereby generating a high-resolution depth map in real time.

Compared to other 3D sensing technologies such as structured light and stereo vision, 3D ToF cameras boast distinct advantages: they perform exceptionally well in low-light conditions, are less susceptible to surface texture and color variations of objects, and can achieve fast frame rates (typically 30fps or higher) for dynamic scene capture. Additionally, their compact design and low computational latency make them highly suitable for integration into a wide range of portable and embedded devices.

The applications of 3D ToF cameras span numerous industries and daily life scenarios. In consumer electronics, they are widely used in smartphones for facial recognition, augmented reality (AR) experiences, and portrait mode photography. In the automotive sector, they play a crucial role in advanced driver-assistance systems (ADAS), enabling functions like pedestrian detection, lane departure warning, and automatic parking. Furthermore, they find applications in robotics (for obstacle avoidance and spatial mapping), smart homes (for gesture control and security monitoring), and industrial automation (for quality inspection and precision positioning).

3D ToF Camera

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