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This paper introduces PatchRefiner, an advanced framework for metric single image depth estimation aimed at high-resolution real-domain inputs. While depth estimation is crucial for applications such as autonomous driving, 3D generative…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Zhenyu Li , Shariq Farooq Bhat , Peter Wonka

Phase retrieval algorithms have become an important component in many modern computational imaging systems. For instance, in the context of ptychography and speckle correlation imaging, they enable imaging past the diffraction limit and…

Autoregressive video diffusion models (AR-VDMs) show strong promise as scalable alternatives to bidirectional VDMs, enabling real-time and interactive applications. Yet there remains room for improvement in their sample fidelity. A…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Zhengyang Yu , Akio Hayakawa , Masato Ishii , Qingtao Yu , Takashi Shibuya , Jing Zhang , Yuki Mitsufuji

Phase retrieval aims to recover a signal from intensity-only measurements, a fundamental problem in many fields such as imaging, holography, optical computing, crystallography, and microscopy. Although there are several well-known phase…

图像与视频处理 · 电气工程与系统科学 2026-01-21 Mehmet Onurcan Kaya , Figen S. Oktem

Generating accurate and stable long rollouts is a notorious challenge for time-dependent PDEs (Partial Differential Equations). Recently, motivated by the importance of high-frequency accuracy, a refiner model called PDERefiner utilizes…

计算工程、金融与科学 · 计算机科学 2025-06-16 Li Luo

We present a lightweight post-processing method to refine the semantic segmentation results of point cloud sequences. Most existing methods usually segment frame by frame and encounter the inherent ambiguity of the problem: based on a…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yutaka Momma , Weimin Wang , Edgar Simo-Serra , Satoshi Iizuka , Ryosuke Nakamura , Hiroshi Ishikawa

Current self-supervised denoising techniques achieve impressive results, yet their real-world application is frequently constrained by substantial computational and memory demands, necessitating a compromise between inference speed and…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Tomáš Chobola , Julia A. Schnabel , Tingying Peng

Parameter Efficient Fine-Tuning (PEFT) is a key technique for adapting a large pretrained model to downstream tasks by fine-tuning only a small number of parameters. Recent methods based on Fourier transforms have further reduced the…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Baoquan Zhang , Zhehao Yu , Lisai Zhang , Kenghong Lin , Tianran Chen , Yuxi Sun , Yunming Ye , Yao He

Accurate autoregressive prediction of 3D turbulent flows remains challenging for neural PDE solvers, as small errors in fine-scale structures can accumulate rapidly over rollout. In this paper, we propose FlowRefiner, a flow matching-based…

流体动力学 · 物理学 2026-04-28 Yilong Dai , Yiming Sun , Yiheng Chen , Shengyu Chen , Xiaowei Jia , Runlong Yu

Deep recommender systems (DRS) often face challenges in balancing computational efficiency and model accuracy, especially when handling high-dimensional input features. Existing methods either focus on improving accuracy while neglecting…

信息检索 · 计算机科学 2026-05-08 Nghia Bui , Yue Ning , Lijing Wang

Depth completion from sparse LiDAR measurements and corresponding RGB images is a prerequisite for accurate 3D perception in robotic systems. Existing methods achieve high accuracy on standard benchmarks but rely on heavy backbone…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Johny J. Lopez , Md Meftahul Ferdaus , Mahdi Abdelguerfi , Anton Netchaev , Steven Sloan , Ken Pathak , Kendall N. Niles

Real-time object detection has achieved substantial progress through meticulously designed architectures and optimization strategies. However, the pursuit of high-speed inference via lightweight network designs often leads to degraded…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Zijun Liao , Yian Zhao , Xin Shan , Yu Yan , Chang Liu , Lei Lu , Xiangyang Ji , Jie Chen

Recently, the deep learning technology has been successfully applied in the field of image compression, leading to superior rate-distortion performance. However, a challenge of many learning-based approaches is that they often achieve…

图像与视频处理 · 电气工程与系统科学 2023-08-24 Yongqiang Wang , Feng Liang , Haisheng Fu , Jie Liang , Haipeng Qin , Junzhe Liang

Phase retrieval is an ill-posed inverse problem in which classical and deep learning-based methods struggle to jointly achieve measurement fidelity and perceptual realism. We propose a novel framework for phase retrieval that leverages…

图像与视频处理 · 电气工程与系统科学 2026-01-16 Mehmet Onurcan Kaya , Figen S. Oktem

Low-light image enhancement is challenging due to complex degradations, including amplified noise, artifacts, and color distortion. While Retinex-based deep learning methods have achieved promising results, they primarily rely on…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Youssef Aboelwafa , Hicham G. Elmongui , Marwan Torki

As the size of transformer-based models continues to grow, fine-tuning these large-scale pretrained vision models for new tasks has become increasingly parameter-intensive. Parameter-efficient learning has been developed to reduce the…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Cheng Han , Qifan Wang , Yiming Cui , Zhiwen Cao , Wenguan Wang , Siyuan Qi , Dongfang Liu

Mixed-precision quantization methods have been proposed to reduce model size while minimizing accuracy degradation. However, existing studies require retraining and do not consider the computational overhead and intermediate representations…

人工智能 · 计算机科学 2025-01-14 Jeongseok Kim , Jemin Lee , Yongin Kwon , Daeyoung Kim

Implicit Neural Representations (INRs) have emerged as promising surrogates for large 3D scientific simulations due to their ability to continuously model spatial and conditional fields, yet they face a critical fidelity-speed dilemma: deep…

机器学习 · 计算机科学 2026-03-25 Tianyu Xiong , Skylar Wurster , Han-Wei Shen

Live video denoising under realistic, multi-component sensor noise remains challenging for applications such as autofocus, autonomous driving, and surveillance. We propose PocketDVDNet, a lightweight video denoiser developed using our model…

图像与视频处理 · 电气工程与系统科学 2026-01-26 Crispian Morris , Imogen Dexter , Fan Zhang , David R. Bull , Nantheera Anantrasirichai

Driven by the simple and effective Dense O2O, DEIM demonstrates faster convergence and enhanced performance. In this work, we extend it with DINOv3 features, resulting in DEIMv2. DEIMv2 spans eight model sizes from X to Atto, covering GPU,…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Shihua Huang , Yongjie Hou , Longfei Liu , Xuanlong Yu , Xi Shen
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