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장준구(張俊九) 한국미술연구소 2017 美術史論壇 Vol.- No.45
Since the late 16<SUP>th</SUP> century the Ming dynasty reached a high plane of achievements in terms of culture while it encountered crisis in terms of politics and military. In those days, The Story of the Water Margin (Shuihuzhuan, 『水滸傳』) was more than a novel. At that time its story was published in books and performed as a play. The general public enjoyed pictures pertaining to this novel and moreover indulged in this story even using gambling devices on which figures from this story were portrayed. This fever for Water Margin was one of the immediate causes of the situations brought about at the end of the Ming dynasty that was on the verge of ruin. The content of Water Margin can be deemed anti-government and anti-state. Characters in the story include outlaws who commit crimes, formed a group, and resist against the government in the first half of the novel. However, those heroic persons subjugated the Liao dynasty founded by the Khitan people and the Jin dynasty founded by the Jurchen people as well as suppressed rebellions domestically. With this content implicatively reflecting the situations of the late Ming dynasty, this novel has been able to work as a symbol of patriotic sentiment. Images associated with The Story of the Water Margin were existent mainly in the form of illustrations. The typical images are from Water Margins Game Cards (Shihu yezi, 《水滸葉子》) by Chen Hongshou(1599~1652). Water Margins Game Cards is a collection of the prints of 40 key figures Chen portrayed among 108 heroes in The Story of the Water Margin. Chen appropriated the image of Guan Yu who had respected as the guardian god of the state for Song Jiang and Lu Junyi and the image of Zhuge Liang who had been regarded as the epitome of wisdom for Zhu Wu and Wu Yong, thereby wishing for salvation from the threat of foreign power. He also represented patriotic sentiment with f lowers set on the heads of good-looking heroes such as Chai Jin and Shi Shou. Chen’s illustrations are not mere portrayals of figures from The Story of the Water Margin but reflect the painter’s patriotic sentiment. The manifestation of such sentiment by the medium of The Story of the Water Margin was closely associated with representations and expressions by ordinary personas as well as intellectuals during the end of the Ming dynasty. They enjoyed the novel The Story of the Water Margin in a variety of forms such as book, theater, painting, gambling, and discourse. The Story of the Water Margin, a novel that emerged at the end of the Ming dynasty was an alternative medium in its chaotic society and a spiritual haven as well as a symbol of patriotic sentiment and a phenomenon penetrating society.
SPIHT 기반 문서 부호화와 복호화 시스템의 성능 향상
장준,이호석 한국정보과학회 2003 정보과학회논문지 : 소프트웨어 및 응용 Vol.30 No.8
In this paper, we present a document image compression system based on segmentation, Quincunx downsampling, (5/3) wavelet lifting and subband-oriented SPIHT coding. We reduced the coding time by the adaptation of subband-oriented SPIHT coding and Quincunx downsampling. And to increase compression rate further, we applied arithmetic coding to the bitstream of SPIHT coding output. Finally, we present the reconstructed images for visual comparison and also present the compression rates and PSNR values under various scalar quantization methods. 본 논문은 문자가 포함된 영상에서 문자의 가독성은 유지하면서 영상을 압축하고 복원하는 효율적인 방법을 제시한다. 본 논문에서 제시하는 방법은 문서 분할, Quincunx 다운샘플링, (5/3) 웨이블릿 리프팅 그리고 서브밴드별 SPIHT(Set Partitioning In Hierarchical Trees) 부호화 방법을 기반으로 하여 구축되었다. 부호화 과정에서는 Quincunx 다운샘플링과 서브밴드 SPIHT 부호화 방법을 사용하여 부호화 수행 시간을 단축하였으며 산술 부호화를 적용하여 SPIHT 부호기의 비트스트림을 더욱 압축하였다. 실험에서는, 복원된 영상을 제시하여 시스템의 성능을 확인할 수 있도록 하였으며, 여러 가지 양자화를 적용하여 제안한 SPIHT에 기반한 문서 압축 시스템의 압축율과 PSNR을 비교하고 분석하였다.
Adenovirus Vectors: Excellent Tools for Vaccine Development
장준 대한면역학회 2021 Immune Network Vol.21 No.1
Adenovirus was originally used as a vector for gene therapy. In recent years, with the development of the next-generation vectors with increased safety and high immunogenicity to transgene products, its utility as a vaccine vector has continued to increase. Adenovirus-based vaccines are currently being tested not only to prevent various infectious diseases but also to be applied as cancer vaccines. In this review, I discuss the innate and adaptive aspects of the immunological characteristics of adenovirus vectors and further examine the current status of advanced adenovirus-based vaccine development. Various methods that can overcome the limitations of currently used adenoviruses as vaccine vehicles are also discussed. Through this study, I hope that vaccine development using adenovirus vectors will be expedited and more successful.