Why can't residential parking lots recognize new energy vehicle license plates?
2 Answers
Due to the additional character in new energy license plates compared to previous ones, many parking lot's intelligent recognition systems are unable to properly identify them, causing inconvenience for vehicle access. Below is relevant information about new energy vehicle license plates: 1. Compared to regular vehicle license plates, new energy vehicle license plate numbers have increased from 5 digits to 6 digits, expanding the capacity of plate numbers and providing richer resources. The encoding rules are more scientific and reasonable, meeting the arrangement needs of "using fewer letters and more numbers"; 2. This not only avoids duplication with regular vehicle license plate numbers and meets the growing demand for new energy vehicles in the future, but also facilitates accurate identification during high-speed driving; 3. Additional anti-counterfeiting technologies such as QR codes, anti-counterfeiting background patterns, and laser designs have been added, ensuring the uniqueness of the license plates and traceability to their production source, thereby enhancing anti-counterfeiting performance.
Our residential community also encountered issues with recognizing new energy vehicles last year. The property maintenance technician explained that the main problem was the outdated system algorithm, which hadn't been updated to account for the different character structures of new energy vehicle license plates. Features like letter positioning and gradient green backgrounds could easily be misidentified as light reflections by older cameras. Additionally, the special reflective layer on new energy plates causes blurring if the angle isn't right, especially noticeable during rainy weather. The solution at the time was having the property adjust the cameras downward by 15 degrees and upgrade the license plate database templates. I later advised neighbors to park at least 2-3 meters away from the barrier gate to give the equipment proper focusing distance, which significantly improved recognition rates.
