1. An image pickup hybrid camera for outputting image data on an image, for which image processing is executed, to a computer, said image pickup hybrid camera comprising: a thermal image capturing portion capturing a thermal image; a visible-light portion capturing an image under a visible light; a temperature zone extracting portion for detecting and extracting a portion corresponding to a predetermined temperature zone, input from an external device, from the thermal image; a background image extracting portion for extracting an image of an immobile object, in the image captured under the visible light by said visible-light portion, as a background image; and a synthesizing/outputting portion for synthesizing the portion extracted by said temperature zone extracting portion, and the background image extracted by said background image extracting portion with each other, and outputting image data on a resulting synthetic image to the external device.