Is it really possible to replace the rearview mirror with an electronic camera?
Wanda Wang Jianlin said a word about setting a small goal not long ago. From which we realized that we must set a small goal first. Then, the car has been developed for more than 100 years. If you want to make some changes, you may want to set a small goal first, such as killing the rearview mirror! The car rearview mirror was born in 1914 and it has been 100 years. The role of the rearview mirror is very simple. It is the use of the principle of reflection, so that we can see the side and back of the vehicle (a part of the angle) without turning the head at a large angle, so that the driving safety factor is increased. However, this 100-year-old rearview mirror also has some drawbacks, such as blind spots in the field of vision, especially the big cars and blind spots. Secondly, the rainy days greatly affect the line of sight, often blurred. Finally, the wind resistance is fine, and the two lenses that look small will increase the air resistance by 3% to 6% in practice. Moreover, on narrow roads, cars will be more worried about encountering... Alignment assistance is generally achieved by using the camera below the rearview mirror. In fact, the idea of ​​canceling the car rearview mirror has been around for a long time. In the 2015 United Nations World Vehicle Regulatory Coordination Forum, if the car meets specific requirements, a video alternative can be considered. With the camera, the first point becomes much smaller, so it is very helpful to reduce the wind resistance, which in turn will improve the power and fuel economy of the car. Secondly, due to the small size of the camera, more can be installed. After the final synthesis, the picture can be more comprehensive, without dead ends, and avoid the blind spot problem of the existing rear view mirror, which is relatively safer. I don't know if everyone found out that many mature technologies in the IT field have developed to a certain extent, and many of them have been applied to cars. For example, some communication devices, 4G, wifi, sensors, and so on. Electronic camera replaces rear view mirror Not far away, the camera that was 10 years ago (the first year of the first generation of the iPhone) was actually very slag, and at least the low-cost camera for large-scale civilian use was very slag. At that time, the video technology and the processor for processing video were also very slag. At that time, even with this thought, it was impossible to get rid of the rearview mirror. What are the challenges? However, the current camera solution is also facing enormous challenges. The first is that the relevant laws and regulations are perfected, why should the car grow like this, and in many cases, the requirements of laws and regulations are also part of it. For example, if a car without a rearview mirror is not allowed to drive the road, it is illegal. The second is the cost, the car rearview mirror, that is, two mirrors, plus some metal plastic, at most, anti-glare and heating. The cost of installing the camera is definitely higher than that of the rearview mirror, and it must also be a camera with high imaging quality, and it must have a powerful image processing package. For family cars, there is no fuel-saving effect brought by the rearview mirror, which may be minimal. There may not be tens of dollars left in a year, and if the camera is changed, the cost may be several thousand. Say something safe? Sorry, this Chinese consumer is the least to buy. The third is the habit of everyone. The rearview mirror was born for 100 years. Everyone used to look at the rearview mirror for decades. So suddenly changing a driving habit is also very difficult. So I boldly predict that even if the camera solution can be solved, the rearview mirror should be kept for a while, so that the driver's friends can adapt to the new way step by step. Any new technology will encounter difficulties in the early days of its birth. Take autopilot, if you don't need someone to drive in the future, what about rearview mirrors? And without a camera, automatic driving can be difficult. However, due to the existing objective conditions, the rearview mirror will certainly continue to exist for a long time. But I think it is a matter of time to get rid of the rearview mirror!
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