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Embedded Vision Versus Machine Vision: What’s the Difference

Embedded Vision Versus Machine Vision: What’s the DifferenceMachine vision systems have traditionally relied on a PC. Images from a frame grabber or interface card send image data to the computer, which then analyzes the images and relays information to another part of the system. The system usually includes a camera, a PC, and a cable linking the two. But there’s a trend in electronics to miniaturize.

The industry now is seeing common use of single-board computers (SPCs). Camera electronics have also become smaller. Small cameras without housings are now an option, resulting in cameras integrated onto compact systems. Because of these developments, highly compact camera systems for new applications are being created. These are embedded vision systems.

Machine Vision Characteristics

Even though it’s the older technology, machine vision has seen its improvements. Its components, the PC, camera, and connection, were significantly larger just a few years ago. Machine vision typically relies on standard operating systems and interface protocols. Software can easily be written using commercial image processing libraries.

The reason for a newer solution wasn’t the performance. It’s that PC-based machine vision systems are complex and bulky. Integrating them into existing systems can be tricky due to the number of interfaces involved.

Embedded Vision Advancements

Embedded vision systems are usually easier to use and integrate than PC-based systems. They also have fewer moving parts and require less maintenance. They often only include a camera without a housing (onboard camera) connected to a processing board (embedded board) via a connector. These interfaces are primarily USB, Basler’s BCON for MIPI or BCON for LVDS. The components are combined into one device and images sent from the camera are processed directly on the system’s processing board.

With advancements in machine learning, embedded vision systems are able to classify images captured by the camera. In the past, software developers spent a lot of time and energy developing algorithms to classify an item by its characteristics. But machine learning algorithms can learn to distinguish between different items based on “experience” of what has already been seen.

Embedded Vision Applications

Embedded vision systems can be found in a wide variety of applications – from everyday devices to automated smart factories and more. Their small dimensions and powerful processing make them suitable for a wide range of industrial applications, from manufacturing car and vehicle components, chemicals and pharmaceuticals, and electronics, to industrial robotics and automated packaging systems. But the list doesn’t stop there. They are also leveraged in self-driving vehicles and driver assistance systems, drones, biometrics, medical imaging and space imaging.

Embedded vision and machine vision are both highly effective systems. Selecting one system over the other depends on the current and projected application requirements.

See how embedded vision systems are impacting the automotive industry at

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