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SLAM systems based on NeRF have demonstrated superior performance in rendering quality and scene reconstruction for static environments compared to traditional dense SLAM. However, they encounter tracking drift and mapping errors in…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Mingrui Li , Yiming Zhou , Guangan Jiang , Tianchen Deng , Yangyang Wang , Hongyu Wang

Density functional theory (DFT) has been a cornerstone in computational chemistry, physics, and materials science for decades, benefiting from advancements in computational power and theoretical methods. This paper introduces a novel,…

Small animal PET scanners require high spatial resolution and good sensitivity. To reconstruct high-resolution images in 3D-PET, iterative methods, such as OSEM, are superior to analytical reconstruction algorithms, although their high…

医学物理 · 物理学 2007-05-23 J. L. Herraiz , S. Espana , J. J. Vaquero , M. Desco , J. M. Udias

Gradient-based attacks are important methods for evaluating model robustness. However, since the proposal of APGD, it has been difficult for such methods to achieve significant breakthroughs. To achieve such an effect, we first analyze the…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Xinlei Liu , Tao Hu , Jichao Xie , Peng Yi , Hailong Ma , Baolin Li

We propose an acceleration scheme for large language models (LLMs) through Speculative Decoding with Semantic Adaptive Tokens (SDSAT). The primary objective of this design is to enhance the LLM model's ability to generate draft tokens more…

计算与语言 · 计算机科学 2024-04-02 Chengbo Liu , Yong Zhu

This paper proposes an adaptive near-field beam training method to enhance performance in multi-user and multipath environments. The approach identifies multiple strongest beams through beam sweeping and linearly combines their received…

信号处理 · 电气工程与系统科学 2025-05-14 Zijun Wang , Rama Kiran , Jinesh Nair , Chien-Hua Chen , Tzu-Han Chou , Shawn Tsai , Rui Zhang

Understanding indoor scenes is crucial for urban studies. Considering the dynamic nature of indoor environments, effective semantic segmentation requires both real-time operation and high accuracy.To address this, we propose AsymFormer, a…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Siqi Du , Weixi Wang , Renzhong Guo , Ruisheng Wang , Yibin Tian , Shengjun Tang

Deep Learning Recommendation Models (DLRMs) play a crucial role in delivering personalized content across web applications such as social networking and video streaming. However, with improvements in performance, the parameter size of DLRMs…

硬件体系结构 · 计算机科学 2025-04-02 Jinho Yang , Ji-Hoon Kim , Joo-Young Kim

We study the beamforming optimization for an intelligent reflecting surface (IRS)-aided full-duplex (FD) communication system in this letter. Specifically, we maximize the sum rate of bi-directional transmissions by jointly optimizing the…

信息论 · 计算机科学 2020-10-22 Hong Shen , Tian Ding , Wei Xu , Chunming Zhao

The shared response model provides a simple but effective framework to analyse fMRI data of subjects exposed to naturalistic stimuli. However when the number of subjects or runs is large, fitting the model requires a large amount of memory…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Hugo Richard , Lucas Martin , Ana Luısa Pinho , Jonathan Pillow , Bertrand Thirion

Autoregressive models (ARMs) are hindered by slow sequential inference. While masked diffusion models (MDMs) offer a parallel alternative, they suffer from critical drawbacks: high computational overhead from precluding Key-Value (KV)…

计算与语言 · 计算机科学 2026-03-06 Jia-Nan Li , Jian Guan , Wei Wu , Chongxuan Li

The Stable Diffusion Model (SDM) is a popular and efficient text-to-image (t2i) generation and image-to-image (i2i) generation model. Although there have been some attempts to reduce sampling steps, model distillation, and network…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Jinchao Zhu , Yuxuan Wang , Xiaobing Tu , Siyuan Pan , Pengfei Wan , Gao Huang

Dynamic Sparse Training (DST) methods achieve state-of-the-art results in sparse neural network training, matching the generalization of dense models while enabling sparse training and inference. Although the resulting models are highly…

机器学习 · 计算机科学 2024-02-23 Mike Lasby , Anna Golubeva , Utku Evci , Mihai Nica , Yani Ioannou

Dense panoptic prediction is a key ingredient in many existing applications such as autonomous driving, automated warehouses or remote sensing. Many of these applications require fast inference over large input resolutions on affordable or…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Josip Šarić , Marin Oršić , Siniša Šegvić

Many applications of mobile deep learning, especially real-time computer vision workloads, are constrained by computation power. This is particularly true for workloads running on older consumer phones, where a typical device might be…

机器学习 · 计算机科学 2017-12-08 Andrew Tulloch , Yangqing Jia

Shallow depth-of-field is commonly used by photographers to isolate a subject from a distracting background. However, standard cell phone cameras cannot produce such images optically, as their short focal lengths and small apertures capture…

Dilithium is a lattice-based digital signature scheme standardized by the NIST post-quantum cryptography (PQC) project. In this study, we focus on developing efficient sparse polynomial multiplication implementations of Dilithium for ARM…

密码学与安全 · 计算机科学 2024-04-22 Jieyu Zheng , Hong Zhang , Le Tian , Zhuo Zhang , Hanyu Wei , Zhiwei Chu , Yafang Yang , Yunlei Zhao

Image Super-Resolution (ISR), which aims at recovering High-Resolution (HR) images from the corresponding Low-Resolution (LR) counterparts. Although recent progress in ISR has been remarkable. However, they are way too computationally…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Jie Cai , Zibo Meng , Jiaming Ding , Chiu Man Ho

Large language models (LLMs) on smartphones enable real-time AI assistance and privacy-preserving, offline operation. However, resource constraints of smartphones limit current deployments to small language models (SLMs), significantly…

机器学习 · 计算机科学 2024-12-13 Zhenliang Xue , Yixin Song , Zeyu Mi , Xinrui Zheng , Yubin Xia , Haibo Chen

This work proposes a mixed learning-based and optimization-based approach to the weighted-sum-rates beamforming problem in a multiple-input multiple-output (MIMO) wireless network. The conventional methods, i.e., the fractional programming…

信息论 · 计算机科学 2026-01-07 Jianhang Zhu , Tsung-Hui Chang , Liyao Xiang , Kaiming Shen