三维重建技术

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习近平总书记关切事|博物馆的“千面新生”
Xin Hua She· 2025-05-17 12:36
Core Viewpoint - The article emphasizes the transformation of museums in China from traditional static exhibits to dynamic, interactive experiences, highlighting the importance of technology and unique cultural positioning in enhancing public engagement and preserving heritage [1][2][4][7]. Group 1: Technological Empowerment - Museums are shifting from "static exhibitions" to "dynamic interactions," utilizing technology to bring artifacts to life, as seen in the application of VR in the Dunhuang Mogao Caves [2]. - Advanced technologies like digital scanning and 3D reconstruction are enabling better preservation and presentation of cultural relics, making them more accessible to the public [2][3]. Group 2: Unique Positioning - The concept of "千馆一面" (thousand museums, one face) is being challenged as museums focus on unique themes and local resources, such as the Quanzhou Maritime Museum, which has become a popular destination by highlighting its niche in maritime history [4][5]. - The development of specialized museums that cater to specific cultural narratives is becoming a trend, allowing for a more engaging visitor experience [6]. Group 3: Community Engagement - Museums are expanding their reach beyond traditional boundaries, actively engaging with communities through initiatives like immersive workshops and educational programs in local neighborhoods [7][8]. - The trend of "breaking down walls" is evident as museums seek to connect with the public in more accessible ways, such as pop-up exhibitions in shopping centers and schools [8][9]. Group 4: Cultural and Economic Integration - Museums are increasingly seen as cultural accelerators that enhance urban development, with initiatives that integrate local culture into the museum experience, thereby enriching both the museum's offerings and the city's cultural landscape [10]. - The dual relationship between museums and cities is highlighted, where museums serve as cultural hubs while cities provide the context and resources for museum innovation [10][11].
恐龙向鸟类演化的关键证据“现身”
Ke Ji Ri Bao· 2025-05-16 00:56
原标题:恐龙向鸟类演化的关键证据"现身" 科技日报北京5月15日电 (记者陆成宽)记者15日从中国科学院古脊椎动物与古人类研究所获悉,中美 科学家利用高精度CT扫描技术联合对一件新发现的始祖鸟标本——芝加哥始祖鸟标本展开研究,首次 揭示始祖鸟的骨骼、软组织和羽毛等细节,为恐龙向鸟类演化提供关键证据。相关研究成果在线发表于 《自然》杂志。 始祖鸟堪称化石界的超级明星,自达尔文提出进化论以来,它一直是研究生物演化的重要证据。过去 160多年里,科学家们对这种古老鸟类充满好奇,但由于化石保存情况和技术条件限制,许多秘密一直 未被揭开。 2022年,美国菲尔德自然历史博物馆收藏了一件名为芝加哥始祖鸟的化石,这是世界上第14件始祖鸟标 本,也是目前发现的最小始祖鸟标本,大小与鸽子相当。"这件化石保存得非常完整,骨骼立体,还罕 见地保留了皮肤、脚垫和羽毛等软组织,为研究始祖鸟的形态信息和生态适应提供了独一无二的证据, 堪称始祖鸟研究史上的里程碑式标本。"论文通讯作者、中国科学院古脊椎动物与古人类研究所研究员 胡晗说。 研究发现,始祖鸟的头骨形态介于伤齿龙类和其他白垩纪鸟类之间,这代表着恐龙向鸟类演化过程中头 骨逐渐变得更 ...