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Multi-view 3D reconstruction methods remain highly sensitive to photometric inconsistencies arising from camera optical characteristics and variations in image signal processing (ISP). Existing mitigation strategies such as per-frame latent…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Isaac Deutsch , Nicolas Moënne-Loccoz , Gavriel State , Zan Gojcic

Reducing the triangle count in complex 3D models is a basic geometry preprocessing step in graphics pipelines such as efficient rendering and interactive editing. However, most existing mesh simplification methods exhibit a few issues.…

图形学 · 计算机科学 2025-09-09 Seonghun Oh , Xiaodi Yuan , Xinyue Wei , Ruoxi Shi , Fanbo Xiang , Minghua Liu , Hao Su

Decompilation converts machine code into human-readable form, enabling analysis and debugging without source code. However, fidelity issues often degrade the readability and semantic accuracy of decompiled output. Existing methods, such as…

软件工程 · 计算机科学 2025-10-23 Zhiping Zhou , Xiaohong Li , Ruitao Feng , Yao Zhang , Yuekang Li , Wenbu Feng , Yunqian Wang , Yuqing Li

Nyquist ghost artifacts in EPI are originated from phase mismatch between the even and odd echoes. However, conventional correction methods using reference scans often produce erroneous results especially in high-field MRI due to the…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Juyoung Lee , Yoseob Han , Jae-Kyun Ryu , Jang-Yeon Park , Jong Chul Ye

In the presence of occlusions and measurement noise, geometrically accurate scene reconstructions -- which fit the sensor data -- can still be physically incorrect. For instance, when estimating the poses and shapes of objects in the scene…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Xihang Yu , Rajat Talak , Lorenzo Shaikewitz , Luca Carlone

PURPOSE: To correct line-to-line delays and phase errors in echo-planar imaging (EPI). THEORY AND METHODS: EPI- trajectory auto-corrected image reconstruction (EPI-TrACR) is an iterative maximum-likelihood technique that exploits data…

医学物理 · 物理学 2017-06-27 Julianna D. Ianni , E. Brian Welch , William A. Grissom

Pose Guided Human Image Synthesis (PGHIS) is a challenging task of transforming a human image from the reference pose to a target pose while preserving its style. Most existing methods encode the texture of the whole reference human image…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Jianhan Wu , Jianzong Wang , Shijing Si , Xiaoyang Qu , Jing Xiao

Recently, 3D Gaussian Splatting (3D-GS) has achieved significant success in real-time, high-quality 3D scene rendering. However, it faces several challenges, including Gaussian redundancy, limited ability to capture view-dependent effects,…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Junxi Jin , Xiulai Li , Haiping Huang , Lianjun Liu , Yujie Sun , Logan Liu

Real-time remote sensing applications like search and rescue missions, military target detection, environmental monitoring, hazard prevention and other time-critical applications require onboard real time processing capabilities or…

分布式、并行与集群计算 · 计算机科学 2021-06-25 Mahmoud Hossam

Purpose: We propose and evaluate a new structured low-rank method for EPI ghost correction called Robust Autocalibrated LORAKS (RAC-LORAKS). The method can be used to suppress EPI ghosts arising from the differences between different…

图像与视频处理 · 电气工程与系统科学 2020-10-05 Rodrigo A. Lobos , W. Scott Hoge , Ahsan Javed , Congyu Liao , Kawin Setsompop , Krishna S. Nayak , Justin P. Haldar

Inspired by the success of reinforcement learning (RL) in refining large language models (LLMs), we propose AR-GRPO, an approach to integrate online RL training into autoregressive (AR) image generation models. We adapt the Group Relative…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Shihao Yuan , Yahui Liu , Yang Yue , Jingyuan Zhang , Wangmeng Zuo , Qi Wang , Fuzheng Zhang , Guorui Zhou

We present a method that accelerates reconstruction of 3D scenes and objects, aiming to enable instant reconstruction on edge devices such as mobile phones and AR/VR headsets. While recent works have accelerated scene reconstruction…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Chaojian Li , Bichen Wu , Albert Pumarola , Peizhao Zhang , Yingyan Celine Lin , Peter Vajda

In cognitive neuroscience research, Representational Dissimilarity Matrices (RDMs) are often incomplete because pairwise similarity judgments cannot always be exhaustively collected as the number of pairs rapidly increases with the number…

神经元与认知 · 定量生物学 2025-06-04 Denise Moerel , Tijl Grootswagers

3D Gaussian Splatting (3DGS) has recently emerged as a promising approach in novel view synthesis, combining photorealistic rendering with real-time efficiency. However, its success heavily relies on dense camera coverage; under sparse-view…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Jiashu Li , Xumeng Han , Zhaoyang Wei , Zipeng Wang , Kuiran Wang , Guorong Li , Zhenjun Han , Jianbin Jiao

Reversible Data Hiding (RDH) is a practical and efficient technique for information encryption. Among its methods, the Pixel-Value Ordering (PVO) algorithm and its variants primarily modify prediction errors to embed information. However,…

密码学与安全 · 计算机科学 2026-01-21 Yusen Zhang , Haoyun Xu , Jingwen Li

Image reconstruction by Algebraic Methods (AM) outperforms the transform methods in situations where the data collection procedure is constrained by time, space, and radiation dose. AM algorithms can also be applied for the cases where…

图像与视频处理 · 电气工程与系统科学 2022-08-30 Sudhir Kumar Chaudhary , Pankaj Wahi , Prabhat Munshi

Dithering is a technique that can improve human perception of low-resolution data by reducing quantization artifacts. In this work we formalize and analytically justify two metrics for quantization artifact prominence, using them to design…

信号处理 · 电气工程与系统科学 2024-02-27 Morriel Kasher , Michael Tinston , Predrag Spasojevic

Biological data like electroencephalography (EEG) are typically contaminated by unwanted signals, called artifacts. Therefore, many applications dealing with biological data with low signal-to-noise ratio require robust artifact correction.…

信号处理 · 电气工程与系统科学 2022-04-29 Paul Maanen , Sarah Blum , Stefan Debener

Reconstructing deformable tissues from endoscopic videos is essential in many downstream surgical applications. However, existing methods suffer from slow rendering speed, greatly limiting their practical use. In this paper, we introduce…

计算机视觉与模式识别 · 计算机科学 2024-02-14 Yifan Liu , Chenxin Li , Chen Yang , Yixuan Yuan

Recent advances in novel view synthesis have enabled real-time rendering speeds with high reconstruction accuracy. 3D Gaussian Splatting (3D-GS), a foundational point-based parametric 3D scene representation, models scenes as large sets of…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Alex Hanson , Allen Tu , Vasu Singla , Mayuka Jayawardhana , Matthias Zwicker , Tom Goldstein