ID 原文 译文
46346 无证书广义指定验证者聚合签名机制不仅能够解决证书管理和密钥托管问题,而且能够实现批验证和保护签名者的隐私。在资源受限的无线移动网络中有广泛应用。 Certificateless aggregate signature(CLAS) schemes with universal designated verifier had been widely applied in resource-constrained wireless mobile networks, because they could not only solve the problems of the certificate management and private key escrow, but also realize batch validation and the signer’s privacy protection.
46347 首先,对一种指定验证者聚合签名方案进行安全性分析,通过给出 2 种具体攻击方法,指出该方案不满足签名不可伪造性。 A security analysis for a certificateless aggregate signature scheme with universal designated verifier was firstly provided, and two attack methods to demonstrate that their scheme was forgeable was presented.
46348 为了增强安全性,提出一种新的无证书广义指定验证者聚合签名方案,并在随机预言机模型下证明该方案是安全的。 To enhance security, a new certificateless aggregate signature scheme with universal designated verifier was proposed, and then the security of the scheme in the random oracle model was proved.
46349 与原方案相比,新方案在解决安全缺陷的同时大大降低了计算开销。 The performance of our proposed scheme was finally evaluated. Compared with the original scheme, the proposed scheme fixes the security flaws and the total computational cost is greatly reduced.
46350 针对全变分 Retinex 模型使用反射分量的全变分作为正则项存在的不足, In view of the shortcomings of the total variational Retinex model which use the total variation (TV) of the re-flection as the regularization.
46351 引入相对梯度并构建扩展的全变分正则项,提出一种新的 Retinex 变分模型。 An extension of TV regularization with the concept of relative gradient was introduced and finally a new variational Retinex model was proposed.
46352 相比于变分 Retinex 模型、全变分 Retinex 模型,该模型获取的照度分量更加光滑,同时反射分量能够分辨更多结构信息和细节要素。 Compared with variational Retinex and total variational Retinexmodel, the proposed model can preserve the estimated reflectance with more details as well as the more smoothed illumination.
46353 进而,提出一种综合考虑照度分量和反射分量的图像增强模型。 Further, a new integrated image enhancement model considering both the illumination and the reflectance was proposed.
46354 通过调整模型参数,可有效应用于高动态范围图像色调映射、非均匀照度增强等图像处理领域。 By adjusting the model parameters, the proposed model can be effectively applied to high dynamic range image tone mapping and non-uniform illumination enhancement.
46355 与其他算法的对比显示,该图像增强模型能够有效处理上述问题并取得较好的效果。 Compared with other algorithms, the proposed model can better handle the above image enhancement problems.