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TRIOPTICS brings the complex driver assistance systems of the automotive industry onto the road. We support manufacturers and suppliers in their task of ensuring the quality, longevity and sustainability of their systems. Our system solutions for active alignment and assembly enable the mass production of camera modules with appropriate testing technology. Get to know some of our innovations, which are extremely important for autonomous vehicles. Make the change.

TRIOPTICS Markets & Solutions
Active alignment of optical sensor systems

Even with a perfect lens system, the image quality of a complete camera deteriorates if the lens is poorly aligned with the sensor. This effect is amplified with the increasing performance of camera modules and the higher resolution of sensors. For this reason, the high-precision active alignment of optics and sensor is necessary in the production of camera modules. With our ProCam® technology, the sensor is aligned with the camera optics in up to six degrees of freedom with sub-micron/sub-arcmin resolution. The components are focused, centered, tilt adjusted and rotated in one single alignment step.

Camera Testing im Automotive-Bereich
Testing of camera modules in the automotive sector

The use of complex camera systems for safety-related and automated object recognition and classification leads to higher demands on the characterization of the image quality of camera modules. This means that the entire test chain must also meet these new requirements. For this purpose, TRIOPTICS offers end-of-line test systems with CamTest which, in addition to the usual optical and opto-mechanical parameters such as MTF, SFR, defocus, tilt and rotation of the image plane, also covers additional sensor test parameters. These include OECF, dynamic range, white balance, relative illumination, spectral response and more.

TRIOPTICS Markets & Solutions
Active alignment and testing of LiDAR applications

Light Detection and Ranging (LiDAR) is used for optical distance and speed measurement by using laser beams. The technology is used to detect, define and avoid obstacles in traffic such as other vehicles, pedestrians or construction sites. Today it is experiencing a flurry of interest due to the expectation that it will be one of the key sensors to enable autonomous driving. We at TRIOPTICS have further developed our devices to this end and have achieved the first significant successes in the alignment of LiDAR applications.


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Video-insight: how to assemble and test LiDAR components

The presentation outlines the early development of processes for passive and active alignment as well as for testing of the optical systems. Using the same metrology, the same control algorithms and the same software tools from prototyping, the scaling up for series production could be ensured without changing the technology or the basic equipment.

Vision technologies in the automotive sector are a growth market with constantly increasing quality requirements.“

Dr. Dirk Seebaum| Automotive expert at TRIOPTICS

Is the transport sector a new field of application for vision technologies or has it already established itself?
In the automotive sector, cameras have been in use for years, e.g. for rear view cameras. Recently, new applications have been added to the range of applications, while at the same time the demands on image quality and image processing have increased. Vision technologies in the automotive sector are therefore a growth market with constantly increasing quality requirements.

Which applications already exist and which can still be developed or expanded in the future? What is the greatest potential?
Rear view and front view cameras are often already standard equipment in motor vehicles. Newer safety-related systems in which cameras and thus image processing are used include lane departure warning, lane change assistant, traffic sign recognition, blind spot monitoring, night vision infrared and emergency braking system for pedestrian protection. Wherever cameras increase the safety of road users and provide drivers with additional information, there is great potential for the use of camera systems.

What tasks does vision technology perform in automobiles and why is it predestined for them?
Particularly, vision technologies are used in the field of driver assistance systems (ADAS). ADAS are electronic auxiliary devices in motor vehicles to support the driver in certain driving situations. Safety aspects, but also the increase of driving comfort are often in the foreground. The vision systems perform the main tasks and are often supported by other technologies such as radar or LiDAR.

What special technical properties must image processing systems in automobiles fulfill and what challenges still lie ahead?
The use of vision technologies in the automotive sector places special demands on cameras: The desire for a wide image field, e.g. for Surround View, causes strong image distortions that have to be calibrated. In addition, the camera system must be able to cover a wide dynamic range of intensity, for example to detect lane markings in a dark tunnel with a view of the tunnel exit. In addition, the camera system must be robust against vibrations, strong temperature fluctuations and dirt. These are just a few of the challenges that need to be considered during design, assembly and testing.

What are the requirements on the production technologies for the further development of cameras for driver assistance systems? An essential challenge lies in the increasing demands on the quality of the images. Higher resolutions require larger pixel numbers, often accompanied by smaller pixel dimensions and decreasing depth of field of the lenses. The systems for aligning and testing the cameras must also meet this challenge. Accordingly, TRIOPTICS systems are becoming more and more precise in the optical measuring equipment and in the accuracy of the mechanical systems. The typical requirements of the automotive industry for optimum productivity and availability can only be met with reliable system technology and fast processes. The algorithms for controlling and monitoring the systems are constantly being further developed for this purpose. The use and analysis of data now plays a major role here. On the one hand, to provide information for the traceability of products and for integration into higher-level production systems, on the other hand, to create additional advantages through optimal cycle times and reduced plant downtimes through intelligent and foresighted processes in line with Industry 4.0.

What contribution does your company make in the field of traffic systems and what do you plan for the future? TRIOPTICS product groups ProCam® and CamTest include a variety of different devices for active alignment, assembly and testing of high-resolution camera modules and other optical sensor systems. Especially in the field of automotive safety-related applications, it is necessary that the cameras used deliver reliable and optimal image quality. This is ensured by the active alignment of lens and sensor to each other and extensive test procedures. TRIOPTICS works permanently on the further development of these technologies and cooperates with important manufacturers of leading driver assistance systems (ADAS).

Our Products for the Automotive Industry