Why can't X-rays see through mobile phone pictures and videos?

1. Different photographic conditions. Generally speaking, photography needs shorter time, higher kilovolts and higher milliamps, while fluoroscopy needs longer time and smaller milliamps.

2.x-ray tubes use different focal points. Because most of the energy is converted into heat when X-rays are generated and radiated by the anode, the same heat is scattered to the large focal plane, which has high heat dissipation rate and is suitable for working for a long time. However, for imaging, the larger the penumbra of the focus, which affects the clarity of the image, so the large focus for perspective cannot reach the clarity of the small focus for photography.

3. The image post-processing methods are different. The higher the object density in perspective, the higher the image density, that is, the darker it is, while the image density in photography is low, that is, the whiter or brighter it is.

4. When taking pictures, the body movement will produce motion artifacts, and when using perspective, the movements will look more coherent, while when taking pictures, static images are needed, and there will be artifacts when moving.

5. The dose of fluoroscopy is relatively large.