CAJ | 학술논문

增强现实是一种虚实信息融合的技术。随着智能手机的普及，移动平台增强现实的应用开发成了热点。在智能手机硬件计算资源有限的情况下，基于人工标识的移动增强现实系统存在标识检测识别算法计算量大、配准跟踪实时性较差等缺陷。针对上述不足，提出了利用水漫填充法和外接矩形的几何特征快速检测标识4个角点，设计了基于海明编码特征的人工标识，提高了标识的识别速度，并具有一定的抗局部遮挡性能。为了精确快速地求解摄像机位姿，系统采用Lev?enberg?Marquardt算法优化求出的平面单应性矩阵。最终根据优化的单应性矩阵求解出摄像机位姿，并根据求出的位姿对虚拟物体加载渲染。实验结果表明该系统有良好的实时性和有效性。
증강현실시일충허실신식융합적기술。수착지능수궤적보급，이동평태증강현실적응용개발성료열점。재지능수궤경건계산자원유한적정황하，기우인공표식적이동증강현실계통존재표식검측식별산법계산량대、배준근종실시성교차등결함。침대상술불족，제출료이용수만전충법화외접구형적궤하특정쾌속검측표식4개각점，설계료기우해명편마특정적인공표식，제고료표식적식별속도，병구유일정적항국부차당성능。위료정학쾌속지구해섭상궤위자，계통채용Lev?enberg?Marquardt산법우화구출적평면단응성구진。최종근거우화적단응성구진구해출섭상궤위자，병근거구출적위자대허의물체가재선염。실험결과표명해계통유량호적실시성화유효성。
Augmented reality is the false and true information fusion technology. With the popularity of smart phones,appli?cation development of the mobile platform augmented reality has become a hot spot. Because the mobile augmented reality sys?tem based on fiducial marker has some defects of mass calculation and poor rectification tracking real?time performance of identi?fication detection recognition algorithm in the case of limit hardware calculation resource of smart phone,a scheme to detect four corner points quickly by means of the flood?fill method and geometrical characteristics of bounding rectangle is proposed to reduce computation time. The fiducial marker based on hamming code was designed to improve the marker identification speed. In order to quickly and accurately compute the camera external parameters,the plane homography matrix was optimized by us?ing Levenberg?Marquardt iterative algorithm,and then the rendering is loaded on the virtual object on fiducial marker according to the obtained camera external parameters. The experimental results show that the system has perfect real?time performance and effectiveness.