TECH FOCUS: 3D VISION
See the future in 3D
We review the latest cameras, sensors, software and other tools for 3D vision in 2024 3
D vision allows the perception and understanding of the
three-dimensional structure of objects. More traditional imaging systems capture images in two dimensions, which provide information about the appearance of objects but this can lack information about the depth. 3D vision systems can capture this, along with the visual appearance, allowing for a more comprehensive understanding of the scene. 3D vision uses techniques such as stereo vision, structured light, time- of-flight (ToF), and laser triangulation to generate 3D images. It is used in a variety of applications: robotics, quality control, autonomous navigation, augmented reality, virtual reality, and medical imaging, among others. In terms of the components
required, cameras are the main devices used to capture images or depth information, while light sources are used in techniques such as structured light and laser scanning, to project patterns onto the scene. These include LEDs, lasers, and other sources, depending on the specific application. Image processing
algorithms are used to capture images or depth data to extract 3D information, and depth sensors are designed to capture depth information without relying on stereo vision or structured light. Then there’s the software, which is used for controlling hardware
3D vision allows the perception and understanding of the three-dimensional structure of objects
components, implementing image processing algorithms, and visualising or analysing the resulting 3D data.
Commercial products Vendors of products for 3D vision include Advanced Scientific Concepts (ASC), a provider of standard product and custom global shutter flash lidar solutions that include artificial intelligence (AI)-enabled, software- defined, 3D vision systems. These systems integrate AI and gsf-lidar technologies to provide enhanced 3D vision capabilities, allowing ASC to provide solutions for a range of applications that require sophisticated perception and decision-making capabilities. Automation Technology
(AT) specialises in the exciting development of
34 IMAGING AND MACHINE VISION EUROPE AUGUST/SEPTEMBER 2024
3D measurement sensors and systems for industrial automation, robotics, quality inspection, and metrology applications. Products include 3D cameras, 3D vision systems, software and accessories. Balluff provides a number of 3D machine vision components, including 3D stereo cameras, 3D vision sensors and smart 3D cameras. The company also offers software modules to optimise the use of the cameras for specific application scenarios, including object recognition, indoor navigation and reach planning. Matrix Vision’s 3D products are available under the Balluff brand, after becoming a member of the Balluff Group in 2017, and completing its rebranding to Balluff MV in 2023.
Basler provides industrial
cameras and vision components, such as 3D cameras and imaging software for various applications. The company’s 3D cameras for ToF and stereo vision can be equipped with additional hardware and software to support more application fields. Software modules are also available for special tasks in image-controlled robotics applications. Cognex has a range
of robust 3D machine vision tools for industrial automation, inspection, and robotics application. The In-Sight 3D-L4000 combines 3D laser displacement technology with a smart camera allowing for a fast and accurate solution for a variety of inspections. The 3D-L4000 with VisionPro combines
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