Abstract: To improve the usability during biometric authentication, a biometric authentication device (100) includes: an image sensing section (101) configured to capture a biometric authentication image of a part of a living body; a display section (107) configured to display a guide image among a plurality of guide images for aligning the part of the living body and the image sensing section (101) with each other in order for the image sensing section (101) to capture the biometric authentication image; and a control section (110) configured to carry out authentication on a basis of the biometric authentication image, the control section (110) being configured to cause the display section (107) to display one of the plurality of guide images on a basis of at least either (i) an authentication accuracy corresponding to application software configured to operate in accordance with a result of the authentication or (ii) image sensing environment information related to the capturing, the plurality of guide images at leas

Abstract: It is possible to correct camera shaking even in an imaging device such as a camera-equipped mobile telephone having no sufficient ability for rapidly acquiring a plurality of images and a limited memory capacity. There is suggested an imaging device capable of correcting camera shaking by utilizing a small image such as a preview image and a target image to be obtained when a user of the imaging device clicks a shutter. The preview image has an appropriate exposure but has a high possibility that camera shaking has occurred. The target image is captured by insufficient exposure because of rapid shutter speed but the camera shaking is reduced. The image information on the target image is corrected by the image information on the preview image so as to obtain an image of reduced camera shaking and appropriate exposure.

Abstract: An imaging lens position control device includes a video signal acquisition unit, a contrast information acquisition unit, and a first imaging focus lens position decision unit. The first imaging focus lens position decision unit decides the imaging focus lens position according to the focus position information having a focus position closest to an imaging person among the focus lens position information associated with the contrast information showing a contrast value not less than a predetermined threshold value.