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The advent of 3D Gaussian Splatting (3DGS) has advanced 3D scene reconstruction and novel view synthesis. With the growing interest of interactive applications that need immediate feedback, online 3DGS reconstruction in real-time is in high…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yang LI , Jinglu Wang , Lei Chu , Xiao Li , Shiu-hong Kao , Ying-Cong Chen , Yan Lu

3D Gaussian Splatting achieves high-fidelity novel view synthesis, but its application to online long-sequence scenarios is still limited. Existing methods either rely on slow per-scene optimization or fail to provide efficient incremental…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Guichen Huang , Ruoyu Wang , Xiangjun Gao , Che Sun , Yuwei Wu , Shenghua Gao , Yunde Jia

The cost aggregation strategy shows a crucial role in learning-based stereo matching tasks, where 3D convolutional filters obtain state of the art but require intensive computation resources, while 2D operations need less GPU memory but are…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Hongzhi Du , Yanyan Li , Yanbiao Sun , Jigui Zhu , Federico Tombari

Transient objects in video sequences can significantly degrade the quality of 3D scene reconstructions. To address this challenge, we propose T-3DGS, a novel framework that robustly filters out transient distractors during 3D reconstruction…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Alexander Markin , Vadim Pryadilshchikov , Artem Komarichev , Ruslan Rakhimov , Peter Wonka , Evgeny Burnaev

Streaming 3D reconstruction aims to recover 3D information, such as camera poses and point clouds, from a video stream, which necessitates geometric accuracy, temporal consistency, and computational efficiency. Motivated by the principles…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Lin-Zhuo Chen , Jian Gao , Yihang Chen , Ka Leong Cheng , Yipengjing Sun , Liangxiao Hu , Nan Xue , Xing Zhu , Yujun Shen , Yao Yao , Yinghao Xu

In a video on demand system, the main video repository may be far away from the user and generally has limited streaming capacities. Since a high quality video's size is huge, it requires high bandwidth for streaming over the internet. In…

多媒体 · 计算机科学 2010-02-08 T. R. GopalaKrishnan Nair , M. Dakshayini

High-resolution Vision-Language Models (VLMs) are widely used in multimodal tasks to enhance accuracy by preserving detailed image information. However, these models often generate an excessive number of visual tokens due to the need to…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Kazi Hasan Ibn Arif , JinYi Yoon , Dimitrios S. Nikolopoulos , Hans Vandierendonck , Deepu John , Bo Ji

We study KV cache eviction under a shared globally capped decode-time harness. Seven policies (LRU, H2O, SnapKV, StreamingLLM, Ada-KV, QUEST, Random) share a prompt-boundary vulnerability: without structural protection, they collapse to…

机器学习 · 计算机科学 2026-05-19 Gabriel Garcia

Spatio-temporal information is key to resolve occlusion and depth ambiguity in 3D pose estimation. Previous methods have focused on either temporal contexts or local-to-global architectures that embed fixed-length spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

We propose an online 3D semantic segmentation method that incrementally reconstructs a 3D semantic map from a stream of RGB-D frames. Unlike offline methods, ours is directly applicable to scenarios with real-time constraints, such as…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Silvan Weder , Francis Engelmann , Johannes L. Schönberger , Akihito Seki , Marc Pollefeys , Martin R. Oswald

Modern video super-resolution (VSR) systems based on convolutional neural networks (CNNs) require huge computational costs. The problem of feature redundancy is present in most models in many domains, but is rarely discussed in VSR. We…

图像与视频处理 · 电气工程与系统科学 2025-05-19 Yutong Guo

Recent advances in neural reconstruction using posed image sequences have made remarkable progress. However, due to the lack of depth information, existing volumetric-based techniques simply duplicate 2D image features of the object surface…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Ziyue Feng , Liang Yang , Pengsheng Guo , Bing Li

Large language models (LLMs) rely on key-value (KV) caches for efficient autoregressive decoding; however, cache size grows linearly with context length and model depth, becoming a major bottleneck in long-context inference. Prior KV cache…

机器学习 · 计算机科学 2025-09-22 Dmitry Akulov , Mohamed Sana , Antonio De Domenico , Tareq Si Salem , Nicola Piovesan , Fadhel Ayed

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

Retrieval-augmented code generation often conditions the decoder on large retrieved code snippets. This ties online inference cost to repository size and introduces noise from long contexts. We present Hierarchical Embedding Fusion (HEF), a…

计算与语言 · 计算机科学 2026-03-10 Nikita Sorokin , Ivan Sedykh , Valentin Malykh

Given the quadratic complexity of attention, KV cache eviction is vital to accelerate model inference. Current KV cache eviction methods typically rely on instantaneous heuristic metrics, implicitly assuming that score magnitudes are…

机器学习 · 计算机科学 2026-02-10 Ziyao Tang , Pengkun Jiao , Xinhang Chen , Wei Liu , Shiyong Li , Jingjing Chen

This work studies how to adaptively recompute key-value (KV) caches for diffusion large language models (DLMs) to maximize prediction accuracy while minimizing decoding latency. Prior methods' decoders recompute QKV for all tokens at every…

计算与语言 · 计算机科学 2025-12-30 Quan Nguyen-Tri , Mukul Ranjan , Zhiqiang Shen

Transformers have been successfully applied in the field of video-based 3D human pose estimation. However, the high computational costs of these video pose transformers (VPTs) make them impractical on resource-constrained devices. In this…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Wenhao Li , Mengyuan Liu , Hong Liu , Pichao Wang , Jialun Cai , Nicu Sebe

Recent advances in diffusion-based generation techniques enable AI models to produce highly realistic videos, heightening the need for reliable detection mechanisms. However, existing detection methods provide only limited exploration of…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Wenhan Chen , Sezer Karaoglu , Theo Gevers

The increasing memory demand of the Key-Value (KV) cache poses a significant bottleneck for Large Language Models (LLMs) in long-context applications. Existing low-rank KV compression methods reduce this footprint by modifying model…

计算与语言 · 计算机科学 2026-05-14 Shiyu Ji , Yixuan Wang , Yijun Liu , Qingfu Zhu , Wanxiang Che