CAJ | 학술논문

将线性插值与正弦灰度变换增强二者有机结合,提出一种新的红外图像插值放大方法.先采用双线性插值法计算插值点的初步插值,然后采用S形正弦灰度变换曲线进行增强处理作为最终插值.充分利用线性插值具有的算法简单、计算量小优势,同时又克服了线性插值带来的图像边缘模糊缺限.实验结果表明,本文方法的插值效果优于传统的双线性插值法.
장선성삽치여정현회도변환증강이자유궤결합,제출일충신적홍외도상삽치방대방법.선채용쌍선성삽치법계산삽치점적초보삽치,연후채용S형정현회도변환곡선진행증강처리작위최종삽치.충분이용선성삽치구유적산법간단、계산량소우세,동시우극복료선성삽치대래적도상변연모호결한.실험결과표명,본문방법적삽치효과우우전통적쌍선성삽치법.
Organically combined linear interpolation and sine gray level transformation, a new infrared image interpolation and zooming method has been proposed. Firstly, bilinear interpolation method is adopted to calculate the interpolation points as the preliminary interpolation. And then S-shaped sine gray transformation curve is used to enhance processing as the final interpolation. The method makes full use of the simple algorithm and small computational amount of the linear interpolation, meanwhile reduces the effect of image edge blurring brought by linear interpolation. Experimental results show that method of interpolation is better than traditional bilinear interpolation.