Text this: Vision-based liquid level detection in amber glass bottles using OpenCV

  _____     ______    _  __     ___    __    __  
 /  ___||  /_   _//  | |/ //   / _ \\  \ \\ / // 
| // __     -| ||-   | ' //   | / \ ||  \ \/ //  
| \\_\ ||   _| ||_   | . \\   | \_/ ||   \  //   
 \____//   /_____//  |_|\_\\   \___//     \//    
  `---`    `-----`   `-` --`   `---`       `