专利详细信息

一种场景自适应的红外焦平面成像系统灰度超分辨方法

文献类型：专利

专利类型：发明专利

是否失效：否

是否授权：否

申请号：CN201410046044.8

申请日：20140210

发明人：贺明王新赛陈向军张焕芹

申请人：上海蓝剑科技发展有限公司

申请人地址：201815 上海市嘉定区兴贤路1388号3幢2085室

公开日：20150812

公开号：CN104833426A

语　　种：中文

摘　　要：一种场景自适应的红外焦平面成像系统灰度超分辨方法，它涉及红外热成像设备技术领域。它的算法为：(1)基于场景直方图统计的超分辨区间的获取。(2)超分辨灰度区间预测算法。(3)超分辨硬件构架。(4)超分辨图像的非均匀性校正算法。它采用根据场景辐射量自适应调节方式，不需要人工设置，自动实时有效地提高了对场景中目标的温差分辨率，同时降低背景干扰，实现了对场景自适应的红外成像灰度超分辨，增加了弱小目标的探测距离。

主权项：1.一种场景自适应的红外焦平面成像系统灰度超分辨方法，其特征在于它的算法为：(1)基于场景直方图统计的超分辨区间的获取，采用直方图截取的方式，分别在直方图中搜索最大和最小灰度值作为灰度截取位置，最大灰度值和最小灰度值包含的灰度区间就是场景区域的灰度分布，表达式为： $<math> <mrow> <msub> <mi>R</mi> <mi>gray</mi> </msub> <mo>=</mo> <mfenced open='{' close=''> <mtable> <mtr> <mtd> <msub> <mi>MIN</mi> <mi>gray</mi> </msub> <mrow> <mo>,</mo> <munderover> <mi>Σ</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msub> <mi>h</mi> <mi>i</mi> </msub> <mo><</mo> <mi>SU</mi> <msup> <mi>M</mi> <mo>*</mo> </msup> <mn>3</mn> <mo>%</mo> </mrow> </mtd> </mtr> <mtr> <mtd> <mi>MA</mi> <msub> <mi>X</mi> <mi>gray</mi> </msub> <mo>,</mo> <munderover> <mi>Σ</mi> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msub> <mi>h</mi> <mrow> <mn>256</mn> <mo>-</mo> <mi>i</mi> </mrow> </msub> <mo><</mo> <msup> <mi>SUM</mi> <mo>*</mo> </msup> <mn>3</mn> <mo>%</mo> </mtd> </p><p class='subject'><strong>关键词：</strong>分辨场景算法 <b class='type_ico_id'></b>灰度红外焦平面成像系统红外热成像均匀性校正 <b class='type_ico_id'></b>直方图统计背景干扰红外成像灰度区间 <b class='type_ico_id'></b>弱小目标设备技术适应调节 <b class='type_ico_id'></b>硬件构架 <b class='type_ico_id'></b>辐射量分辨率温差探测图像 </p><p class='class'><strong>IPC专利分类号：</strong>G01J5/00(20060101);G06T5/40(20060101)</p>
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