ID 原文 译文
18695 为了优化上述目标函数，提出一种基于近邻学习搜索机制的花授粉算法，实现对于聚类中心的寻优，解决对于聚类中心初始值敏感，易陷入局部最优的问题。 In order to overcome the defects of sensitivity to clustering centers and easily falling into localoptimum, a flower pollination algorithm based on nearest neighbor learning search mechanism is proposed.
18696 实验结果表明所提算法能在多种噪声图像上取得令人满意的分割效果。 Experimental results show that the proposed method can get satisfactory segmentation results on a variety ofnoisy images.
18697 为了解决光学加密技术中混沌序列分布不均匀，抗选择明文攻击能力弱以及菲涅尔域双随机相位编码系统对第1个衍射距离不敏感等问题，该文基于螺旋相位变换和新型广义Fibonacci混沌系统，提出一种光学图像加密算法。 In this paper, an optical image encryption algorithm based on spiral phase transform and new generalized fibonacci chaotic system is proposed to solve the problems of the Fresnel domain double random phase coding system is insensitive to the first diffraction distance，uneven distribution of chaotic sequences and weak resistance to choice plaintext attack.
18698 在菲涅尔域的双随机相位编码中对明文图像进行相位编码和螺旋相位变换，克服系统对第1块随机模板和衍射距离不敏感的缺陷，提高光学密钥敏感性。 The plaintext image is encoded as phase information and spiral phase transformed to overcame the insensitivity of the first random phase template and diffraction distance of the Fresnel diffraction transform-double random phase encoding system. The sensitivity of the optical keys isimproved.
18699 添加安全图像与明文进行加权干涉，进一步提高光学密钥敏感性和密钥维度。 The weighted interference between secure image and plain text image is added to further increase the sensitivity of the optical keys and dimension of key .
18700 构造可产生均匀混沌序列的广义Fibonacci混沌系统生成随机模板，解决密钥体积过大分发传递困难问题，克服Logistic混沌分布不均匀的缺点，提高密钥传输效率及密钥敏感性。 A generalized Fibonacci chaotic system, which couldgenerate uniform sequences, is constructed to generate phase templates to overcame uneven distribution oflogistic chaos and improve the efficiency of key transmission and the sensitivity of the keys.
18701 同时用明文哈希值SHA-256生成混沌初值和螺旋相位变换参数，使得密钥流随明文自适应变化，达到“一次一密”的效果，提高算法抵抗选择明文攻击能力和明文敏感性，雪崩效应更强。 The chaotic initialvalue and parameters of spiral phase transform are related to SHA-256. It makes the keys change with theplaintext and achieved the effect of “one encryption at a time”, and enhanced the sensitivity of the plaintextand the ability of the resistance to choice plaintext attack and avalanche effect.
18702 实验对比表明该算法明文及密钥敏感性高，密钥空间大，鲁棒性好，能有效抵御各种攻击，是一种高安全性的光学图像加密方法。 Experimental comparison shows that this method can effectively increase the plaintext sensitivity and key sensitivity. This method’s robustness and the key space are sufficiently secure. It is a high security optical image encryption method.
18703 传统的距离扩展目标检测一般在散射点密度或散射点数量先验条件下完成，在目标散射点信息完全未知时检测性能会大幅降低。 The traditional range-extended target detection is usually completed under the condition of scatteringpoint density or scattering point number priori. The detection performance is greatly reduced when thescattering point information of the target is completely unknown.
18704 针对这个问题，该文提出一种基于强散射点在线估计的距离扩展目标检测方法(OESS-RSTD)， To solve this problem, a Range Spread Target Detection method based on Online Estimation of Strong Scattering(OESS-RSTD) points is proposed.