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SIGGRAPH 2025奖项出炉:上科大、厦大入选最佳论文
机器之心· 2025-06-12 03:23
Core Points - The SIGGRAPH conference, organized by ACM SIGGRAPH since 1974, is a leading event in the field of graphics and imaging technology, covering various areas such as animation, simulation, rendering, and machine learning [2][3]. Group 1: Best Paper Awards - This year, five best papers were awarded, with significant contributions from domestic institutions including Shanghai University of Science and Technology, Huazhong University of Science and Technology, Xiamen University, and Tsinghua University [5]. - Paper 1: "Shape Space Spectra" focuses on the feature analysis of differential operators and introduces a shape-space feature analysis method applicable in various fields such as sound synthesis and elastic dynamics simulation [6][8]. - Paper 2: "CAST: Component-Aligned 3D Scene Reconstruction From an RGB Image" presents a novel method for 3D scene reconstruction from a single RGB image, addressing challenges in quality and domain limitations [9][13]. - Paper 3: "TokenVerse: Versatile Multi-Concept Personalization in Token Modulation Space" introduces a method for multi-concept personalization using pre-trained text-to-image diffusion models, allowing for seamless integration of complex visual elements [18][21]. - Paper 4 discusses variance reduction techniques for Monte Carlo integration, introducing a ratio control variable to improve estimation accuracy [25]. - Paper 5: "Transformer IMU Calibrator" presents a dynamic calibration method for inertial motion capture systems, breaking the static assumption in IMU calibration and expanding application scenarios [26]. Group 2: Honorable Mentions - Several papers received honorable mentions, including works from institutions like the University of California, San Diego, and Google, focusing on various advancements in graphics and imaging technology [27][28]. - Notable mentions include "Lifting the Winding Number" and "A Monte Carlo Rendering Framework for Simulating Optical Heterodyne Detection," showcasing innovative approaches in their respective fields [30]. Group 3: Test of Time Award - The Test of Time Award was established to recognize impactful research from 2013-2015, with four papers selected for their significant contributions to the industry [32]. - Awarded papers include "Unified Particle Physics for Real-Time Applications," which introduced a unified dynamics framework for real-time visual effects, and "Learning Visual Similarity for Product Design With Convolutional Neural Networks," which helped shape future research directions in computer graphics [33][34].
Science:刘如谦团队进化出新型基因编辑器EvoCAST,可将整个基因精准高效整合到人类细胞
生物世界· 2025-05-18 01:55
Core Viewpoint - The article discusses advancements in gene editing technology, specifically the development of EvoCAST, a highly efficient and precise system for gene insertion in human cells, which addresses the limitations of existing gene editing methods [2][3][10]. Group 1: Gene Editing Challenges - Integrating entire genes into specific genomic locations has been a long-standing challenge in the field of gene editing [2]. - Existing gene editing technologies can repair most pathogenic gene mutations, but the genetic diversity of many diseases necessitates multiple tailored therapies, limiting patient benefits [2]. Group 2: Discovery of CAST - In June 2019, the discovery of CRISPR-associated transposase (CAST) by teams led by Zhang Feng and Samuel Sternberg marked a significant advancement, allowing for the targeted integration of large DNA segments without causing double-strand breaks [2][3]. Group 3: Development of EvoCAST - The collaboration between Liu Ruqian and Samuel Sternberg led to the evolution of EvoCAST, which significantly enhances the activity of CAST, achieving a 420-fold increase in efficiency for gene insertion in human cells [3][7]. - EvoCAST supports the integration of DNA segments larger than 10kb and can mediate the insertion of therapeutic payloads at various genomic loci related to diseases [3][7]. Group 4: PACE Technology - The PACE (Phage-Assisted Continuous Evolution) technology was utilized to improve the activity of CAST, simulating natural selection to evolve the transposase [5][6]. - After hundreds of rounds of evolution, a variant of the TnsB protein was developed, enhancing integration activity over 200 times without the need for toxic bacterial proteins [6]. Group 5: Comparative Analysis with eePASSIGE - EvoCAST and eePASSIGE, another system developed using PACE, have complementary advantages; eePASSIGE offers higher efficiency, while EvoCAST provides greater editing purity [9][10]. - EvoCAST operates in a single step for gene integration, making it simpler compared to the two-step process required by eePASSIGE [9]. Group 6: Implications for Future Research - The research establishes CAST as a powerful platform for RNA-guided gene integration, suitable for various applications in life sciences and disease treatment [10]. - The study demonstrates how laboratory evolution can transform natural systems into effective therapeutic tools, providing new strategies for improving other CAST systems for efficient gene editing [10].