与伦勃朗对话

西方现实主义大师伦勃朗,一生波澜起伏的人生遭际,对他艺术的创作产生重大的影响。笔者试图分析大师的人生变化,揭示艺术的真谛,对他的人文思想、技法特点及自画像进行艺术剖析。     

Automated Texture Recognition of Quartz Sand Grains for Forensic Applications*

Quartz sand surface texture analysis has been automated for the first time for forensic application. The derived Basic Image Features (BIFs) provide computer-generated texture recognition from preexisting data sets. The technique was applied to two distinct classification problems; first, the ability of the system to discriminate between (quartz) sand grains with upturned plate features (indicative of eolian, global sand sea environments) and grains that do not exhibit these features. A success rate of grain classification of 98.8% was achieved. Second, to test the ability of the computer recognition system to identify specific energy levels of formation of the upturned plate surface texture features. Such recognition ability has to date been beyond manual geological interpretation. The discrimination performance was enhanced to an exact classification success rate of 81%. The enhanced potential for routine forensic investigation of the provenance of common quartz sand is indicated.     

A passive approach for effective detection and localization of region-level video forgery with spatio-temporal coherence analysis

In this paper, we present a passive approach for effective detection and localization of region-level forgery from video sequences possibly with camera motion. As most digital image/video capture devices do not have modules for embedding watermark or signature, passive forgery detection which aims to detect the traces of tampering without embedded information has become the major focus of recent research. However, most of current passive approaches either work only for frame-level detection and cannot localize region-level forgery, or suffer from high false detection rates for localization of tampered regions. In this paper, we investigate two common region-level inpainting methods for object removal, temporal copy-and-paste and exemplar-based texture synthesis, and propose a new approach based on spatio-temporal coherence analysis for detection and localization of tampered regions. Our approach can handle camera motion and multiple object removal. Experiments show that our approach outperforms previous approaches, and can effectively detect and localize regions tampered by temporal copy-and-paste and texture synthesis.     

论平面广告版面中的三维空间构成

在平面广告中,版面设计最终目的是：使版面产生清晰的条理性,用悦目的组织来突出主题,达成最佳的诉求效果。我们可以通过对版面的三维空间层次的把握和运用来达到这个目的。本文借助版面设计中的比例关系的空间层次、位置关系的空间层次、黑白灰关系的空间层次、动静关系、图像肌理关系产生的空间层次,论述了如何营造平面广告版面设计中的三维空间构成的方法与技巧。     

A Cultural Journey Through European Civilization in Beijing

正LI Sisi,a sophomore of the Central Academy of Fine Arts,cannot take her eyes off a bust of the Goddess Isis.She marvels at the perfection of the statue dated to 150-250,taking photos of it from different angles.On the other side of the exhibition hall at the National Museum of China(NMC)in central Beijing,a middle-aged couple is looking for the route of the Crusades on a map of the ancient Mediterranean.Such scenes replay every day at the"Mediterranean World from the Collections of the Musée du     

Spring Pancakes

正To celebrate the Beginning of Spring,or Lichun,the first of the 24 solar terms,it is traditional in northern China to eat spring pancakes and in southern China to enjoy spring"rolls."The custom originated in the Eastern Jin Dynasty(317-420),with the idea of mixing water and flour into f ine-texture pancakes,laying them on a plate and covering them with stir-fried vegetables.The dish,originally named spring plate,was a favorite on spring outings as well as at Lichun.The custom spread to the imperial     

Smooth bodywork: the role of texture in images of cars and women on consumer magazine covers

This article examines the role of texture, specifically smoothness, in commercial communication, specifically magazine cover imagery. It takes as its empirical focus images of women and cars on the covers of magazines aimed at the male market in order to argue that smoothness is an important semiotic resource, embedded in stereotypical and heteronormative conceptions of gender. This argument is framed and introduced through a review of the connotations held by various smooth surfaces in western culture, and a discussion of questions of affect and ideology that underlie those connotations. Analysing two examples of each magazine genre, the paper then illustrates how smoothness is a semiotic resource in which consumption-oriented superficiality interfaces with ideologically gendered images of women and cars on magazine covers. It concludes by raising questions for the future study of smoothness in the media.     

论法律解释学视角内外的确定性命题

自德沃金以降的理论方向代表了在法律解释学的向度内建构法律确定性命题的一种极致努力。但当我们把目光重新拉回到中国时,却又可以明显感受到法律解释论路向的限度,原因就在于我国法院判决所缺失的重要维度：权威性与终局性。在判决之终局性成为疑问的背景下,法院在实践操作中不再拘泥于法律解释论上立场的精确阐释,而是侧重于引导当事人达成纠纷解决之合意。在这个过程中,法律确定性命题已经不知不觉地被置换成了裁判的可接受性问题。这一基本事实足以促成我们进行理论视角的转换：由法律的解释论转向法律的商谈论。     

“许霆案”的法理学思考

法律是一种阐释性的概念，法的“空缺结构”特征必然会产生解释上的分歧。对个案来说，按照法不溯及既往原则，是不能求助立法的修正以图为案件树立新的法律依据。因此在个案中，和其他解释相比较，法院的解释无疑具有终局性和决定性。文章以“许霆案”为背景，以案件争议的焦点为对象，以哈特“法的空缺结构”和德沃金“法律的整体性”解释理论为分析工具，对许霆案进行法理学思考。认为法官在解释法律时应该具有整体性的概念，将公平和正义怀揣于心中，将抽象的正义变成具体的正义。