Pointer meters have been widely used in industrial field due to their strong stability; it is an important issue to be able to accurately read the meter. At present. patrol robots with computer vision function are often used to detect and read meters in some situations that are not suitable for manual reading of the meter. However. https://www.roneverhart.com/Traditional-Karate-Do-Okinawa-Goju-Ryu-Book-1-The-Fundamental-Techniques-by-Morio-Higaonna-Preowned/