发明名称 ELECTRONIC PAN FOCUS DEVICE
摘要 PURPOSE:To attain pickup in matching with an image by a photographer independently of a depth of an object field and kinds of lenses by collecting only video information of an object whose focus is matched so as to generate one picture. CONSTITUTION:The device is provided with a pickup section 1 extracting video information of each split area and high frequency component information of a video image, a storage section 2 storing the video information of each area and the high frequency component information for each pickup image, and an arithmetic section 3 applying interpolation processing to the video information at the border of each area. The arithmetic section 3 utilizes it that the amplified value of the high frequency component of the pickup image as the focus of pickup image is matched, compares 3 sets of high frequency component information in existence in the split areas of the same pickup range, uses the video information having the largest level at the video image information at the split area of the position and forms one picture from plural pickup images while repeating the operation to all split areas of the pickup range. Thus, any object causes a focused picture and the pickup in response to the image of the photographer is attained independently of the depth of an object and kinds of lenses.
申请公布号 JPH0380676(A) 申请公布日期 1991.04.05
申请号 JP19890217129 申请日期 1989.08.23
申请人 RICOH CO LTD 发明人 TAKEMOTO HIROSHI;TAKAHASHI AKIRA
分类号 G03B13/36;G02B7/28;G02B7/36;H04N5/232 主分类号 G03B13/36
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