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As three-dimensional acquisition technologies like LiDAR cameras advance, the need for efficient transmission of 3D point clouds is becoming increasingly important. In this paper, we present a novel semantic communication (SemCom) approach…

新兴技术 · 计算机科学 2025-05-13 Shangzhuo Xie , Qianqian Yang , Yuyi Sun , Tianxiao Han , Zhaohui Yang , Zhiguo Shi

Large Language Models (LLMs) have achieved remarkable success in source code understanding, yet as software systems grow in scale, computational efficiency has become a critical bottleneck. Currently, these models rely on a text-based…

计算与语言 · 计算机科学 2026-04-29 Yuling Shi , Chaoxiang Xie , Zhensu Sun , Yeheng Chen , Chenxu Zhang , Longfei Yun , Chengcheng Wan , Hongyu Zhang , David Lo , Xiaodong Gu

We present LTM3D, a Latent Token space Modeling framework for conditional 3D shape generation that integrates the strengths of diffusion and auto-regressive (AR) models. While diffusion-based methods effectively model continuous latent…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Xin Kang , Zihan Zheng , Lei Chu , Yue Gao , Jiahao Li , Hao Pan , Xuejin Chen , Yan Lu

Multimodal Large Language Models (MLLMs) are becoming increasingly popular, while the high computational cost associated with multimodal data input, particularly from visual tokens, poses a significant challenge. Existing training-based…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Xudong Tan , Peng Ye , Chongjun Tu , Jianjian Cao , Yaoxin Yang , Lin Zhang , Dongzhan Zhou , Tao Chen

Slow inference speed is one of the most crucial concerns for deploying multi-view 3D detectors to tasks with high real-time requirements like autonomous driving. Although many sparse query-based methods have already attempted to improve the…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Dingyuan Zhang , Dingkang Liang , Zichang Tan , Xiaoqing Ye , Cheng Zhang , Jingdong Wang , Xiang Bai

Large language models (LLMs) have demonstrated remarkable capabilities in tasks requiring reasoning and multi-step problem-solving through the use of chain-of-thought (CoT) prompting. However, generating the full CoT process results in…

计算与语言 · 计算机科学 2024-09-16 Tianqiao Liu , Zui Chen , Zitao Liu , Mi Tian , Weiqi Luo

Since ChatGPT released its API for public use, the number of applications built on top of commercial large language models (LLMs) increase exponentially. One popular usage of such models is leveraging its in-context learning ability and…

计算与语言 · 计算机科学 2023-10-26 Junyi Liu , Liangzhi Li , Tong Xiang , Bowen Wang , Yiming Qian

We present a novel active learning framework for 3D point cloud semantic segmentation that, for the first time, integrates large language models (LLMs) to construct hierarchical label structures and guide uncertainty-based sample selection.…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Chenxi Li , Nuo Chen , Fengyun Tan , Yantong Chen , Bochun Yuan , Tianrui Li , Chongshou Li

While specialized Medical Vision-Language Models (VLMs) have achieved remarkable success in interpreting 2D and 3D medical modalities, their deployment for 3D volumetric data remains constrained by significant computational inefficiencies.…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Shengyuan Liu , Zanting Ye , Yunrui Lin , Chen Hu , Wanting Geng , Xu Han , Bulat Ibragimov , Yefeng Zheng , Yixuan Yuan

Vision-language models (VLMs) have achieved remarkable multimodal understanding and reasoning capabilities, yet remain computationally expensive due to dense visual tokenization. Existing efficiency approaches either merge redundant visual…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Aditya Kumar Singh , Hitesh Kandala , Pratik Prabhanjan Brahma , Zicheng Liu , Emad Barsoum

Large language models (LLMs) have shown great success in text modeling tasks across domains. However, natural language exhibits inherent semantic hierarchies and nuanced geometric structure, which current LLMs do not capture completely…

机器学习 · 计算机科学 2025-11-07 Neil He , Rishabh Anand , Hiren Madhu , Ali Maatouk , Smita Krishnaswamy , Leandros Tassiulas , Menglin Yang , Rex Ying

Although applications involving long-context inputs are crucial for the effective utilization of large language models (LLMs), they also result in increased computational costs and reduced performance. To address this challenge, we propose…

计算与语言 · 计算机科学 2025-02-06 Weizhi Fei , Xueyan Niu , Guoqing Xie , Yingqing Liu , Bo Bai , Wei Han

Class-incremental learning aims to continuously acquire new knowledge while preserving previously learned information, thereby mitigating catastrophic forgetting. Existing methods primarily restrict parameter updates but often overlook…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Mengxin Qin , Xiang Zhang , Kun Wei , Xu Yang , Cheng Deng

Fine-Grained Visual Classification (FGVC) remains a challenging task due to subtle inter-class differences and large intra-class variations. Existing approaches typically rely on feature-selection mechanisms or region-proposal strategies to…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Yongji Zhang , Siqi Li , Kuiyang Huang , Yue Gao , Yu Jiang

Recent breakthroughs in Visual Language Models (VLMs) and Multimodal Large Language Models (MLLMs) have significantly advanced 3D scene perception towards language-driven cognition. However, existing 3D language models struggle with sparse,…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Shiyu Liu , Lianlei Shan

3D dynamic point cloud (DPC) compression relies on mining its temporal context, which faces significant challenges due to DPC's sparsity and non-uniform structure. Existing methods are limited in capturing sufficient temporal dependencies.…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Shuting Xia , Tingyu Fan , Yiling Xu , Jenq-Neng Hwang , Zhu Li

Due to the substantial scale of Large Language Models (LLMs), the direct application of conventional compression methodologies proves impractical. The computational demands associated with even minimal gradient updates present challenges,…

机器学习 · 计算机科学 2023-12-13 Arnav Chavan , Nahush Lele , Deepak Gupta

Discrete speech tokenization is a fundamental component in speech codecs. However, in large-scale speech-to-speech systems, the complexity of parallel streams from multiple quantizers and the computational cost of high-time-dimensional…

声音 · 计算机科学 2025-07-28 Rongkun Xue , Yazhe Niu , Shuai Hu , Zixin Yin , Yongqiang Yao , Jing Yang

Efficient storage of large-scale point cloud data has become increasingly challenging due to advancements in scanning technology. Recent deep learning techniques have revolutionized this field; However, most existing approaches rely on…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Guoqing Zhang , Wenbo Zhao , Jian Liu , Yuanchao Bai , Junjun Jiang , Xianming Liu

Video large language models (Vid-LLMs), which excel in diverse video-language tasks, can be effectively constructed by adapting image-pretrained vision-language models (VLMs). However, this adaptation remains challenging, as it requires…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Yiyang Huang , Yizhou Wang , Yun Fu