从官僚行政到民主行政——文森特·奥斯特洛姆的民主行政理论

文章系统地梳理了奥斯特洛姆的民主行政理论的脉络.奥斯特洛姆认为,官僚行政理论在知识上错误地理解和偏离了美国宪政创设者的意图,在实践上使美国的公共行政研究与实践误入歧途.美国的政府管理必须摒弃威尔逊范式,代之以民主行政范式.在批判性地继承联邦党人和托克维尔的思想,并借鉴了政治经济学和实在法学的研究成果的基础上,奥斯特洛姆建构了以多中心权力体制、地方自治、民主决策和多样化服务供给机制为核心内容的民主行政范式.     

国际人权公约权利理论探析

国际人权公约得到国际社会的普遍认可，反映了其权利理论具有一定的普适性。然而，从总体上看，国际人权公约主要反映西方社会的基本权利理念。因此，可以从权利的来源、性质和目的等方面解读国际人权公约所体现的权利理论。进而为我国的权利理论研究与实践提供借鉴与启示。     

中国犯罪学作为的新天地——从国家预防腐败局的成立谈起

权力的滥用是对国家预防腐败局职能部门的挑战，也是对社会民众各种参与力量的挑战。对于犯罪学研究领域而言，也是对学术研究的挑战。中国犯罪学理应知难而进，迎接挑战。     

堵源截流 多管齐下－对云南堵源截流工作成效的再认识

今年 1至 4月 ,全省共查破贩毒案件 2 849起 ,缴获毒品××××千克 ,与去年同期相比 ,缴获毒品总数上升 2 64 7%。抓获涉毒犯罪嫌疑人 3 4 85名 ,查破万克毒品大案 5 0起 ,千克毒品大案 15 3起 ;缴获鸦片×××千克、海洛因××××千克、冰毒×××千克 ,受到上级机关多次表彰。这既是对我省禁毒工作的充分肯定 ,也是对我省禁毒工作极大的鞭策和鼓励。对云南堵源截流工作的再认识 :第一 ,统一思想 ,提高认识 ,紧紧抓住堵源截流不放 ;第二 ,调整思路 ,合理布局 ,巩固“三道防线” ;第三 ,公秘结合 ,重点侦控 ,强化情报调研和专案侦查工作 ;第四 ,转变观念 ,加大投入 ,重视发挥科技手段的优势 ;第五 ,协同作战 ,密切配合 ,形成禁毒合力 ;第六 ,加强领导 ,明确责任 ,狠抓落实     

对“勐海禁毒模式”的思考

在云南省西双版纳傣族自治州勐海县地方政府的领导下 ,由该县外事办牵头 ,县科委、农业局种子公司、农业技术推广站等单位 ,与缅甸掸邦东部第四特区合作开展“绿色禁毒工程” ,进行互利互惠的科技合作。在第四特区有效地推广种植杂交水稻、咖啡、沙参、茶叶、橡胶等作物 ,替代了以住的罂粟种植 ,从根本上铲除毒源 ,为标本兼治、堵截毒品进入我国 ,摸索出了一条行之有效的途径     

PRNU based source camera attribution for image sets anonymized with patch-match algorithm

Patch-Match is an efficient algorithm used for structural image editing and available as a tool on popular commercial photo-editing software. The tool allows users to insert or remove objects from photos using information from similar scene content. Recently, a modified version of this algorithm was proposed as a counter-measure against Photo-Response Non-Uniformity (PRNU) based Source Camera Identification (SCI). The algorithm can provide anonymity at a great rate (97%) and impede PRNU based SCI without the need of any other information, hence leaving no-known recourse for the PRNU-based SCI. In this paper, we propose a method to identify sources of the Patch-Match-applied images by using randomized subsets of images and the traditional PRNU based SCI methods. We evaluate the proposed method on two forensics scenarios in which an adversary makes use of the Patch-Match algorithm and distorts the PRNU noise pattern in the incriminating images she took with his camera. Our results show that it is possible to link sets of Patch-Match-applied images back to their source camera even in the presence of images that come from unknown cameras. To our best knowledge, the proposed method represents the very first counter-measure against the usage of Patch-Match in the digital forensics literature.     

析“中国威胁论”

"中国威胁论"是现在中外关系天空上的一团阴霾,其来源也长、市场也广,危害非浅,甚至可能引发冲突和战争.我们应该积极加以化解,以求中国与其他国家互补发展,达到双赢,以求中国和世界变得更加美好.     

Digital camera identification using PRNU: A feature based approach

Source camera identification is one of the emerging field in digital image forensics, which aims at identifying the source camera used for capturing the given image. The technique uses photo response non-uniformity (PRNU) noise as a camera fingerprint, as it is found to be one of the unique characteristic which is capable of distinguishing the images even if they are captured from similar cameras. Most of the existing PRNU based approaches are very sensitive to the random noise components existing in the estimated PRNU, and also they are not robust when some simple manipulations are performed on the images. Hence a new feature based approach of PRNU is proposed for the source camera identification by choosing the features which are robust for image manipulations. The PRNU noise is extracted from the images using wavelet based denoising method and is represented by higher order wavelet statistics (HOWS), which are invariant features for image manipulations and geometric variations. The features are fed to support vector machine classifiers to identify the originating source camera for the given image and the results have been verified by performing ten-fold cross validation technique. The experiments have been carried out using the images captured from various cell phone cameras and it demonstrated that the proposed algorithm is capable of identifying the source camera of the given image with good accuracy. The developed technique can be used for differentiating the images, even if they are captured from similar cameras, which belongs to same make and model. The analysis have also showed that the proposed technique remains robust even if the images are subjected to simple manipulations or geometric variations.     

巨额财产来源不明罪法定刑的冷思考

巨额财产来源不明罪存在着严重的逻辑结构硬伤、蕴涵价值缺失和损耗,有违罪刑法定之嫌,不利于犯罪人的人权保障。从该罪深层次的价值取向、立法本意以及行为性质等法理依据上看,该罪的法定刑有其正当性,但也不宜再提高该罪的法定刑。     

国内法与国际商法的渊源关系

国际商法是国际法的一个分支学科,一般认为其渊源是国际商事条约和国际商事惯例。对国内法是否为国际商法的渊源问题,理论界的论著不多,且存在分歧。