【6861 Radio】金融DJ电台第二十四期

If the photo contains something with a known actual size (e.g., a credit card, A4 paper, a phone, a piece of furniture), these apps can scale everything else correctly.
Example:
You know an iPhone 14 Pro = 147.5 mm height
Import the photo
Calibrate using the iPhone’s height
Measure other objects in the image accurately