Advantages of USB camera modules in embedded vision
USB camera modules are revolutionizing the embedded vision industry by providing compact, versatile, and efficient imaging solutions. USB camera modules offer a small form factor and cost-effective solution to these challenges, enhancing flexibility and performance in various devices. In addition, the worldwide acceptability of the USB interface makes it easy to integrate USB UVC camera modules into any vision system.
In this article, let’s delve into the advantages of USB camera modules in embedded vision. We will examine their key functionalities and applications and learn about other interfaces used in embedded vision systems today.
What are USB camera modules?
USB camera modules serve as compact imaging devices that can be connected to a host system using a Universal Serial Bus (USB) interface. They are crucial components in various applications, from robotics to industrial inspection systems.
Components and functionality:
The heart of a USB camera module is the camera sensor, usually a Charge-Coupled Device (CCD) or a Complementary Metal-Oxide-Semiconductor (CMOS) sensor, which captures light and transforms it into digital signals. The lens system focuses light onto the sensor and greatly impacts the image output based on its quality and type (fixed focus, autofocus, zoom lens). Many USB camera modules also come with an ISP (Image Signal Processor) that helps to do color and image quality enhancements. These modules connect to a host (such as a computer for example) through a USB interface for power supply and data transfer.
Features and capabilities:
USB camera modules are known for their ease of use, featuring plug-and-play functionality that requires minimal setup. With a variety of resolutions (up to 20MP or more) and frame rates (up to 120 fps and above) available, these modules can cater to a wide range of application needs. From low-resolution sensors for basic tasks to high-resolution sensors for detailed imaging, there is a USB camera module suitable for every purpose. The compact size and flexible form factor make these modules perfect for space-constrained applications.
USB3 Type-C Camera with onsemi AR0522 5MP Rolling Shutter with Onboard ISP and S-mount lens + Incl. 1 Meter USB C Cable
VCI-AR0522-SL
- onsemi AR0522 5MP Rolling Shutter Sensor
- Near Infra-Red Enhancement for Outdoor Applications
- Designed for Low Light Applications
- S-Mount for Interchangeable Lenses
- UVC USB Type-C 5 Gbps Connector
- Plug & Play with Windows & Linux OS
- Comes with VizionViewerâ„¢ Configuration Utility and VizionSDK
Sensor | onsemi AR0522 |
Shutter | Rolling |
Megapixels | 5MP |
Chromaticity | Color, Monochrome |
Interface | USB3 |
Embedded vision applications of USB UVC camera modules
- Robotics: While many are switching to interfaces like FPD-Link III or GMSL in robotics, USB remains the most popular interface. From goods-to-person robots to companion robots and cleaning robots, many robotic engineers prefer to use the USB interface in robotic vision systems.
- Industrial automation: Plays a key role in quality control and inspection systems by capturing images for analysis. USB cameras are used here for detecting product defects, counting objects, and sorting products.
- Medical imaging: Crucial component of various medical devices used in diagnosis and treatment processes. Examples of medical devices with USB cameras include fundus cameras, digital microscopes, and intraoral cameras.
- Video conferencing systems: Modern video conferencing systems use USB cameras for their ease of integration and compact size.
- Digital signages: Digital signages are used to show personalized ads to people who pass by. They mostly use the USB interface to connect to the host system.
A digital signage
Other popular camera interfaces used in embedded vision:
MIPI (Mobile Industry Processor Interface):
MIPI is a popular interface that was primarily designed for mobile devices. It has also gained traction in embedded vision due to its efficient data transfer speeds and low power consumption. Some notable features of MIPI include its ability to support a large number of data lanes, providing greater bandwidth for applications that require high-resolution and high-frame-rate video. This makes it well-suited for automotive technology, drones, and IoT devices.
Also read: MIPI Cameras – Definition, Types and Applications
Ethernet:
Ethernet is a data transmission technology that allows longer-distance communication than other camera interfaces. It is known for its strong data transfer capabilities and is commonly used in industrial settings due to its reliability and support for long cable lengths. They can transmit data beyond a length of 100 meters with the help of extensions. This makes it ideal for industrial and surveillance camera systems that require long-distance data transmission.
FPD-Link III (Flat Panel Display Link):
The FPD-Link III interface, a SerDes interface developed by Texas Instruments, is designed for high-speed digital communication. It boasts several features, such as high bandwidth and a robust error detection and correction mechanism. This interface is capable of transmitting uncompressed video, audio, and control data up to a distance of 15m, making it a popular choice in automotive and industrial applications, particularly for in-vehicle infotainment and camera systems.
Related: FPD-Link III Cameras – Working Principle and Applications in Embedded Vision
GMSL (Gigabit Multimedia Serial Link):
Developed by Maxim Integrated, GMSL is a high-speed transmission technology for video, audio, and data transfer. Its high data rates and low latency make it ideal for real-time applications requiring long-distance transmission. Although primarily utilized in the automotive industry for driver-assistance systems and autonomous vehicles, it can also be applied in other fields that require reliable high-speed communication. GMSL can transfer image and video data up to a distance of 15m reliably.
Advantages of UVC USB camera modules
Easy integration and plug-and-play convenience:
UVC USB camera modules are built for seamless integration, offering the key benefit of plug-and-play functionality. This means they can be connected directly to a PC or other x86-based host systems without extra drivers or software installations. This is especially useful in environments where quick setup and simple configuration are crucial. This feature removes the necessity for complicated installation processes for users with limited technical expertise. The operating system automatically detects the camera, which typically handles driver installation without user input. This smooth integration speeds up the implementation of camera-based systems across a range of applications, such as medical diagnostics, teleconferencing, and industrial inspection.
High-speed imaging with USB 3.0:
UVC USB camera modules often utilize USB 3.0 technology, providing a major benefit in terms of data transfer speed. With a maximum bandwidth of approximately 400 MB per second, USB 3.0 allows for high-speed imaging, essential for applications that demand real-time or near-real-time video streaming, such as high-speed industrial inspection or advanced video conferencing. The fast data transfer rate ensures that high-resolution images and videos are transmitted seamlessly without noticeable delay, making these camera modules well-suited for applications where image quality and speed are of utmost importance.
Universal acceptability and availability:
USB, as a worldwide standard, guarantees that these camera modules can work with a variety of PCs and embedded systems. This broad compatibility makes it easier to select camera modules for different uses with minimal worries about whether they will work. The easy availability of USB cables and connectors also adds to the convenience, as replacements and extensions can be easily found in the market.
Cost-effectiveness:
UVC USB camera modules offer a budget-friendly alternative to various camera systems. Their ability to work seamlessly with affordable host systems, such as PCs, eliminates the need for costly specialized hardware. Additionally, the lack of requirement for extra drivers or firmware cuts down on overall system expenses, both upfront and in terms of long-term upkeep. With no reliance on proprietary software or specialized expertise for operation and problem-solving, organizations can significantly reduce training and technical support expenditures.
Multi-camera support:
UVC USB camera modules offer a significant benefit in their ability to accommodate multiple cameras using a USB hub. This feature is especially advantageous for tasks requiring extensive surveillance or intricate imaging arrangements, such as scientific research, large-scale industrial inspections, and advanced security systems. The system’s architecture is streamlined by linking several cameras to a single host system through a USB hub, and the requirement for multiple processing units is minimized. This configuration cuts costs and centralizes and streamlines system management for improved efficiency.
Easy prototyping:
UVC USB camera modules make prototyping a breeze with their plug-and-play functionality. For developers and engineers creating new products or system designs, quickly integrating these cameras into prototypes is a game-changer. Cutting down integration time speeds up iteration and testing cycles, ultimately leading to faster product development. This is especially valuable in areas like robotics, automation, and IoT, where swift prototyping is crucial for staying ahead in innovation and entering the market on time.
Portability and flexibility:
UVC USB camera modules are a great choice for handheld devices due to their compact and portable design. Their small size makes them easy to transport and set up in different locations, offering flexibility. This portability is especially beneficial when equipment needs to be frequently moved or when space is limited.
TechNexion – USB camera modules for modern embedded vision systems
TechNexion’s USB3 Type-C UVC compliant cameras are perfect for various embedded vision applications. Whether you need them for industrial automation, medical imaging, surveillance, or research, these cameras can be customized to meet the unique demands of each sector.
TechNexion offers both rolling and global shutters, a wide range of resolutions, and compatibility with various lenses to ensure precise, high-quality imaging for any application. The rugged and compact design options cater to different environmental needs, while the driverless functionality allows easy integration with major operating systems. Enhanced by the VizionViewer SDK, these cameras provide unmatched flexibility and performance, making them the ideal solution for your next vision project. Learn more about our USB UVC camera modules here.
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