2016 is a year of rapid development of driverless technology. The 360 ​​panorama and the image processing in ADAS have achieved their respective achievements and gradually merged. The 360 ​​panoramic solution plus ADAS, such as the LDWS lane keeping warning system, can detect the situation around the vehicle in real time, thus avoiding traffic accidents and reducing the loss of life and property, the driver can enjoy the driving pleasure. The application of 360 panorama has become the standard for high-end and low-end models in some car manufacturers at home and abroad. In the system based on 360 panorama, the application functions of ADAS are constantly increasing and improving.
Ying Yichen, Senior Engineer, Automotive Electronics Division, Renesas Electronics China Application Technology Center
Due to the gradual popularization of 360 panoramas, multi-image fusion has also accelerated the integration speed of the industry chain. The giants have increased their business scope and shortened the product cycle by acquiring image processing companies. However, the 360 ​​panorama needs to process the images of the four cameras installed in the front, rear, left and right of the vehicle, splicing and displaying them. This requires various algorithms of image processing to realize seamless stitching of the images collected by the camera, and how to debug different camera parameters. The entire panoramic picture shows a consistent effect. The moving vehicle, the 360 ​​panoramic picture will not be lost, etc. The problem needs to be solved by 360 panorama + ADAS image algorithm technology fusion.
Therefore, the image processing capability and speed requirements of the SoC chip will become higher and higher, and more business opportunities will be brought to the semiconductor manufacturers. Renesas Electronics R-Car product line also introduces various products and solutions in the application of ADAS image fusion, especially for 360 panorama, R-Car products can support 4~8 channel HD camera input, in order to make customers faster To develop the product, Renesas Electronics also offers a range of 360 panorama and development kits for ADAS applications.
In the 360 ​​panoramic display, the 2D image processing is not in place, which will cause the driver to understand the difficulty, so gradually transition to 3D; and to achieve the relevant ADAS function, the sharpness of the image is very important. Since the image information collected by the 300,000-pixel analog camera is not clear enough, the 360-satellite standard definition solution can add ADAS functions. With a high-definition solution with a megapixel camera, you can achieve 360 ​​panoramic HD images in 2D and 3D. Renesas R-Car products integrate a dedicated 2D, 3D image processor, a dedicated image correction (IMR) and identification (IMP) application processor for ADAS, and a related software library to facilitate customer algorithms and Application development.
On the chip side, with the development of multi-image processing technology, image processing is gradually developing from dedicated chips to SoC multi-chip integration. Renesas Electronics SoC product R-Car series has integrated various image processors, such as the new generation R- Car products use 16nm process, R-Car H3 with 8 ARM cores, it has been widely used in ADAS related project development, products with high-performance 2D/3D graphics processor, built-in camera deformation correction IMR The processor, as well as the IMP 5th generation processor dedicated to ADAS image recognition, can support up to 8 camera inputs and 3 video outputs, and also meet the ASIL B rating of functional safety ISO26262. The product has high performance and low power consumption. Advantage.
At the recent Munich Electronics Show, Renesas Electronics also brought a cloud-based automatic parking system based on its R-Car in-vehicle SoC and RH850 P1x chip that complies with the ISO26262 ASIL-D functional safety standard. The system is connected to the cloud real-time parking management system through the network to obtain information, and integrates information such as cameras and sensors to confirm the surrounding environment of the vehicle, use real-time processing by multi-core chips, block the threat of external data, and realize safe automatic parking. It is a good solution to the problem of parking in unfamiliar locations in big cities. The program also makes full use of the R-Car H3 panoramic surround system and new technologies for Ethernet and CAN-FD in-vehicle networks.
All aspects of the automobile industry chain are actively preparing for unmanned driving technology. The functions of visual supply to automobiles are also increasing. Under the requirement of small volume, in addition to 360 panorama and ADAS integration, other image processing will also be integrated. Renesas Electronics' R-Car products have the concept of Cockpits applications. In addition to 360 panorama and ADAS integration, virtual graphics instruments, navigation multimedia infotainment are also included. Vision is an important part of driverless technology. Pedestrians, vehicles, lane lines and traffic signs are all detected by image chips and algorithms. The chip will process more and more complex images, compress, decode and transfer speeds, and the speed of algorithm implementation will be faster and faster. Renesas Electronics will continue to develop and launch R-Car products to meet car driverless. Technical requirements.
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