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Great progress has been made in learning-based object detection methods in the last decade. Two-stage detectors often have higher detection accuracy than one-stage detectors, due to the use of region of interest (RoI) feature extractors…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Guo-Ye Yang , George Kiyohiro Nakayama , Zi-Kai Xiao , Tai-Jiang Mu , Xiaolei Huang , Shi-Min Hu

We show that the method of distributed noise-shaping beta-quantization offers superior performance for the problem of spectral super-resolution with quantization whenever there is redundancy in the number of measurements. More precisely, if…

Information Theory · Computer Science 2019-05-06 C. Sinan Güntürk , Weilin Li

Test-time scaling (TTS) improves large language models (LLMs) by allocating additional compute at inference time. In practice, TTS is often achieved through parallel scaling: generating multiple candidate responses and selecting the best…

Machine Learning · Computer Science 2026-04-22 Divya Shyamal , Marta Knežević , Lan Tran , Chanakya Ekbote , Vijay Lingam , Paul Pu Liang

This paper studies uplink multiuser MIMO with a rotatable antenna (RA) array under imperfect channel state information (CSI), where each base-station antenna can adjust its boresight direction within an angular region. To balance…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Ziyuan Zheng , Qingqing Wu , Wen Chen

Diffusion magnetic resonance imaging (dMRI) often suffers from low spatial and angular resolution due to inherent limitations in imaging hardware and system noise, adversely affecting the accurate estimation of microstructural parameters…

Image and Video Processing · Electrical Eng. & Systems 2025-01-28 Ruoyou Wu , Jian Cheng , Cheng Li , Juan Zou , Wenxin Fan , Hua Guo , Yong Liang , Shanshan Wang

Intelligent surfaces comprising of cost effective, nearly passive, and reconfigurable unit elements are lately gaining increasing interest due to their potential in enabling fully programmable wireless environments. They are envisioned to…

Information Theory · Computer Science 2022-05-26 George C. Alexandropoulos , Evangelos Vlachos

In millimeter-wave (mmWave) cellular systems, reconfigurable intelligent surfaces (RISs) are foreseeably deployed with a large number of reflecting elements to achieve high beamforming gains. The large-sized RIS will make radio links fall…

Information Theory · Computer Science 2023-12-20 Baojia Luo , Yili Deng , Miaomiao Dong , Zhongyi Huang , Xiang Chen , Wei Han , Bo Bai

Contrastive Language-Image Pre-training (CLIP) excels in global alignment with language but exhibits limited sensitivity to spatial information, leading to strong performance in zero-shot classification tasks but underperformance in tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Congpei Qiu , Yanhao Wu , Wei Ke , Xiuxiu Bai , Tong Zhang

The accurate radio frequency (RF) ranging and localizing of objects has benefited the researches including autonomous driving, the Internet of Things, and manufacturing. Quantum receivers have been proposed to detect the radio signal with…

We present a radar sensing framework based on a low-complexity, quantized reconfigurable intelligent surface (RIS) that enables programmable manipulation of electromagnetic wavefronts for enhanced detection in non-specular and shadowed…

Systems and Control · Electrical Eng. & Systems 2026-03-31 Kainat Yasmeen , Shobha Sundar Ram , Debidas Kundu

Transformers have become the cornerstone of modern large-scale language models, but their reliance on softmax attention poses a computational bottleneck at both training and inference. Recurrent models offer high efficiency, but compressing…

Computation and Language · Computer Science 2025-11-20 Xiuying Wei , Anunay Yadav , Razvan Pascanu , Caglar Gulcehre

In this paper, the average achievable rate and error probability of a reconfigurable intelligent surface (RIS) aided systems is investigated for the finite blocklength (FBL) regime. The performance loss due to the presence of phase errors…

Information Theory · Computer Science 2024-10-28 Ramin Hashemi , Samad Ali , Nurul Huda Mahmood , Matti Latva-aho

As large language models (LLMs) continue to scale in size, the computational overhead has become a major bottleneck for task-specific fine-tuning. While low-rank adaptation (LoRA) effectively curtails this cost by confining the weight…

Machine Learning · Computer Science 2026-05-15 Yilang Zhang , Xiaodong Yang , Yiwei Cai , Georgios B. Giannakis

One-step diffusion-based image super-resolution (OSDSR) models are showing increasingly superior performance nowadays. However, although their denoising steps are reduced to one and they can be quantized to 8-bit to reduce the costs…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Libo Zhu , Haotong Qin , Kaicheng Yang , Wenbo Li , Yong Guo , Yulun Zhang , Susanto Rahardja , Xiaokang Yang

Quantum state tomography is a fundamental task in quantum information science, enabling detailed characterization of correlations, entanglement, and electronic structure in quantum systems. However, its exponential measurement and…

Self-supervised learning systems have gained significant attention in recent years by leveraging clustering-based pseudo-labels to provide supervision without the need for human annotations. However, the noise in these pseudo-labels caused…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Zia-ur-Rehman , Arif Mahmood , Wenxiong Kang

This paper addresses the problem of single snapshot Direction-of-Arrival (DOA) estimation, which is of great importance in a wide-range of applications including automotive radar. A popular approach to achieving high angular resolution when…

Signal Processing · Electrical Eng. & Systems 2024-03-12 Yinyan Bu , Robin Rajamäki , Anand Dabak , Rajan Narasimha , Anil Mani , Piya Pal

Visual autoregressive (VAR) models have recently emerged as a promising alternative for image generation, offering stable training, non-iterative inference, and high-fidelity synthesis through next-scale prediction. This encourages the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Cencen Liu , Dongyang Zhang , Wen Yin , Jielei Wang , Tianyu Li , Ji Guo , Wenbo Jiang , Guoqing Wang , Guoming Lu

The rapid advancement of large-language models (LLMs) has driven extensive research into parameter compression after training has been completed, yet compression during the training phase remains largely unexplored. In this work, we…

Machine Learning · Computer Science 2025-11-19 Jun Wu , Jiangtao Wen , Yuxing Han

Space debris has been posing a serious threat to human space activities and is needed to be measured and cataloged. As a new technology of space target surveillance, the measurement accuracy of DRLR (Diffuse Reflection Laser Ranging) is…

Space Physics · Physics 2015-06-03 Hao Sun , HaiFeng Zhang , ZhongPing Zhang , Bin Wu