发明名称 Image pickup apparatus having white balance control function
摘要 <p>The present invention provides an image pickup apparatus capable of adjusting a white balance by adjusting a level of a chrominance signal constituting a color image. The apparatus includes gain setup means (107) setting up a limit value for a gain value which adjusts a level of the chrominance signal; gain adjusting means (108) having a black body locus, as data, which indicates a locus of a change in color temperature of a full radiator on a chromaticity coordinate and adjusting the gain value; and chrominance signal amplifying means (106) amplifying the chrominance signal in accordance with the adjusted gain value. When amplifying a chrominance signal exceeding a predetermined level in accordance with the set-up limit value, the gain adjusting means (108) causes the gain value of the chrominance signal amplifying means (106) applied to the chrominance signal to translate parallel along the black body locus, and adjusts to a position of the set-up limit value.</p>
申请公布号 EP1610568(A2) 申请公布日期 2005.12.28
申请号 EP20050291324 申请日期 2005.06.21
申请人 SONY CORPORATION 发明人 HIDEHO, UNE
分类号 H04N9/73;(IPC1-7):H04N9/73 主分类号 H04N9/73
代理机构 代理人
主权项
地址