| AMR | Autonomous mobile robot. Refers to a type of robot that can navigate and perform tasks autonomously. Equipped with sensors and control systems, AMRs can move and operate in complex environments without human intervention. |
| ASIC | Application-specific integrated circuit |
| Baseline | Distance between the optical centers of the two cameras used for depth calculation |
| D2C | Depth to color. This spatial alignment maps each pixel on a depth map to the corresponding color image according to the intrinsic and extrinsic parameters of the depth camera and color camera. |
| Depth | Depth video streams are similar to color video streams except each pixel has a value representing the distance away from the sensor instead of color information. |
| Depth Camera | Includes depth imaging module and external interface, of which the former is generally composed of an infrared projector, infrared cameras, and a depth engine processor. |
| FOV | Field of view. This value describes the angular extent of a given scene that is captured by a camera, which can be measured in the horizontal, vertical, and diagonal. |
| I2C | Refers to a simple bi-directional two-wire synchronous serial bus developed by Philips. |
| IMU | Inertial measurement unit |
| IR | Light in the infrared spectrum (from 700 nm and above) |
| IR Camera | Camera capable of seeing light in the IR spectrum |
| ISP | Image signal processor, which is used for image post-processing |
| LDM | Laser diode module |
| LRM | Laser ranging module |
| MIPI | Mobile Industry Processor Interface. MIPI is an open standard and specification formulated by the MIPI Alliance for mobile application processors. |
| PCBA | Printed circuit board assembly. Refers to a fully-assembled printed circuit board (PCB) that includes all the electronic components mounted and soldered onto it. |
| Point Cloud | Discrete set of object points in the 3D space |
| RGBM/RGB Module | RGB or color camera |
| ROI | Region of interest. In image processing, ROI refers to a specific area selected from the entire image. |
| SOM | System on module. SoMs provide various core components of an embedded processing system on a single printed circuit board, including the processor core, communication interfaces, and memory modules. A typical example of this are the NVIDIA Jetson series products. |
| SBC | Single board computer. An SBC is a microcomputer where all the logic circuits, timing circuits, internal memory, and external interfaces are integrated onto a single printed circuit board. A typical example is the Raspberry Pi. |
| SoC | System on a chip. An integrated circuit (IC) that integrates all components of a computing system. |
| UVC | USB Video Class. UVC is a protocol standard defined for USB video capture devices and has become one of the USB.org standards. |
| VCSEL | Vertical-cavity surface-emitting laser. VCSEL is a type of semiconductor laser where the laser light is emitted perpendicular to the surface of the device. |
| DoF | Degree of freedom. In an IMU, 6 DoF means the device can measure all six degrees of freedom. |
| dToF | Direct time-of-flight. dToF achieves high-precision distance measurements by directly tracking light pulse travel time. |