An image processing apparatus includes: image inputting portions for inputting a plurality of images; attribute inputting portions for inputting attribute information for the plurality of images; and an image combining processor for combining the plurality of images in accordance with an image combining ratio to generate a combined image. The image processing apparatus further includes: an attribute-information combining-ratio determining section for determining an attribute-information combining ratio for the plurality of images in accordance with the image combining ratio; an attribute-information combining processor for combining the attribute information for the plurality of images in accordance with the attribute-information combining ratio to generate combined attribute information; and an image processor for processing the combined image by switching image-processing in accordance with the combined attribute information.