If an object appears blue on a thermal camera, the object does not have a significant heat source within it
The lighter or redder the color appears, the warmer the object is. This is how you can determine what objects are people or animals on a thermal camera. Nonliving objects, or colder objects, will appear blue or purple on the camera.
The colors on a thermal camera indicate different temperatures, with warmer temperatures typically shown in brighter colors like red and cooler temperatures in darker colors like blue.
I don't think it's an actual thermal camera at all. In other words, I don't think it really detects infrared light. I think it just detects total visible light intensity, and displays that intensity the way an infrared camera would - with maximum intensity displayed as bright red, and minimum intensity displayed as deep blue. You can tell this is the case by taking it into a dark closet. It doesn't detect anything, including your own hands or face, because there's no visible light present. A real infrared camera would "see" your hand or your face in a dark closet. The Photobooth "thermal camera" does not, because it isn't really a thermal camera. Which is unsurprising. CCD's with real infrared detection are kind of expensive.
The Color of Canon SD890 Digital camera is light blue, pale blue.
When a TV appears blue on camera, it is likely due to the white balance setting on the camera not being properly adjusted. This can cause the camera to interpret the colors incorrectly, making the TV screen appear blue. Adjusting the white balance setting on the camera can help correct this issue.
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in poptropica, you need it to stun big blue.
It's not. Colour refers to visible light, which is distinct from heat. Maybe you mean "false colour" images from a thermal camera, that assigns visible light colours on the basis of temperature (usually low temp=blue, high temp=red).
The white balance of the camera is using the surrounding light to judge the color temperature of the room. The iPad uses an LED backlight, which may photograph with a blue tinge. Try shooting it with a halogen light or natural sunlight. It should move the white balance away from an indoor yellow tinge.
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Luminance, Red, Blue, Green