As more and more sensors are installed, more and more surrounding information will be obtained while the vehicle is in motion. How to quickly find out the information useful to the driver from the sly signal, how to deal with it more intelligently, how to turn this information into something more conducive to the driver's understanding, etc., has become a vehicle development path. The obstacles, many car companies are trying to better solve these problems by optimizing hardware and software. At the 2014 GTC conference in San Jose, USA, a Taiwanese company, Antai Electric, exhibited their in-vehicle multimedia system developed in cooperation with NVIDIA. This system is not only a tool for playing music and watching videos, but also can intelligently analyze the information collected by the sensor according to preset calculation and processing methods, and transform it into 360° panoramic image and night vision system. , signal monitoring, "clear" raindrops and other functions, to provide a reference for the driver to more accurately determine the current state of the vehicle.
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â– Introduction to "pregnancy"
The article mentioned at the beginning that this multimedia system was exhibited by Antai Electric (hereinafter referred to as AnTee), which is actually affiliated with Foxconn Technology Group and is a key member of Foxconn Group in the "automobile" and "auto parts" business areas. Currently, it develops and manufactures automotive wiring harnesses and automotive electronics for automotive OEMs and provides after-sales services. Officials revealed that the multimedia system it will display will be first applied to the Nazhijie brand. In addition, it is communicating with Geely, Zhonghua, Changan and other car companies. In the future, many independent car companies are likely to adopt it. The product.
â– Functional experience
At this exhibition, AnTee brought the display model of this car multimedia system, and its body size is the same as that of most car multimedia systems. Although it can support multi-touch operations, it still retains physical buttons. This can reduce the possibility of mishandling when the driver is driving.
â— Play audio and video files experience
As can be seen from the system interface, in addition to the traditional music playing, listening to the radio, map navigation, the system also has two functions of Andia Eye and Andia Link, which is the information collected by the camera set on the body. Andia Link is the option to connect the mobile phone to the multimedia system through wired and wireless methods. The visual effects are more abundant, support more playback methods, and collect more functions. These points are undoubtedly the trend of future development of multimedia systems in the car.
This system has certain requirements for the version of the smartphone operating system. The iOS operating system requires 7.1 and above. The reason is that the 7.1 version adds the CarPlay function, which paves the way for the multimedia system to support the CarPlay system in the future. .
â— Andia Eye experience
Since the functions of playing videos, music, and listening to the radio are no different from most of the current car multimedia systems, our experience focuses on the Andia Eye feature. It extends the other functions by analyzing the signals collected by the camera-based sensor.
With the continuous development of sensor technology, the information collected during the running of the vehicle will become more and more abundant, so it requires a more powerful analysis and processing system. It is also because of these demands that AnTee chose NVIDIA Tegra K1, which is in the leading position in computing. It is hoped that through the solution provided by NVIDIA, the information collected by the processor will be more reasonably screened and calculated, providing drivers with a richer and more accurate judgment basis.
The introduction of panoramic images does provide convenience for the driver to observe the surroundings of the vehicle. However, due to the obvious influence of the weather on the camera, the panoramic image also needs to "see the face of God". Therefore, the developers set up a series of algorithms during development, and superimposed the collected images, cleverly "wiping out" the impact of raindrops on the driver's observation during rainfall.
In addition to presenting the collected signals to the driver in a 360° panoramic image, the system can also be converted into other functions by calculation, such as using signals collected by cameras placed on the front of the car, for the speed of the preceding vehicle, The information such as the distance between the two vehicles and the safety distance is judged. If necessary, the system can also expand the driving situation of the adjacent lane vehicles and the identification of obstacles, which also opens up the possibility of intelligent automatic driving in the future.
In addition, in the night, the system will be more difficult to determine the object and distance. The traffic sign line also has the difficulty of identification. Therefore, it requires more precise and meticulous computing power. The system can also provide relevant information at night. Driving reference information.
Thanks to the new calculations, more detailed results can be analyzed when processing the signals collected by the sensors. For example, when reversing, a more slender object like a branch can be identified, providing a more accurate basis for the driver. The combination of the future with an automated parking system can help vehicles move more intelligently into place.
The complexity of the urban traffic environment is one of the trends in the development of traffic conditions. The high volume of the front car and the unfamiliarity of the driver's road conditions will result in missed or misjudged signal lights and information signs. At present, Toyota and other car companies use the information distribution system at the signal lights and signal signs, and the vehicle is equipped with information receivers to realize the concept of intelligent transportation. This multimedia system provides another solution for intelligent transportation. It has built-in all kinds of signal lights in Taiwan and different lighting patterns, and cooperates with map navigation and vehicle positioning system. When the vehicle is at the intersection, the system analyzes the signal collected by the camera, and finds the current state of the signal light from the database, and then prompts the driver to signal the light by flashing on the screen.
Compared with Toyota's way of erecting sensors and collectors to achieve intelligent transportation, AnTee is a cheaper solution that does not require the modification of existing traffic lights and signs. However, this system also has the drawback, that is, it is necessary to first enter all the lights and signs, and once the signal or sign shape changes, the system will be unrecognizable.
Summary of the full text:
Supported by powerful information processing capabilities, this system displays a more beautiful picture, and more importantly, it gives the car companies a higher degree of development freedom. The content of the interface design, color distinction and other content car companies have their own design rights. This is to provide consumers with more personalized products. At the same time, this multimedia system can make more reasonable analysis of the information collected by the sensor, such as using video signals to monitor signal changes, "clearing" the raindrop image system, and analyzing the reversing images of smaller objects. To provide more accurate judgment information for other vehicle safety systems in the future, vehicle safety system development companies can use these richer information to develop and expand smarter systems. The role of this system is not just a set of in-vehicle multimedia systems, but this seems to be the future direction of multimedia systems in the future.
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