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A difficult step in the process of karyotyping is segmenting chromosomes that touch or overlap. In an attempt to automate the process, previous studies turned to Deep Learning methods, with some formulating the task as a semantic…

机器学习 · 计算机科学 2022-03-25 Daniel Kluvanec , Thomas B. Phillips , Kenneth J. W. McCaffrey , Noura Al Moubayed

Reconstructing high-dimensional spatiotemporal fields from sparse point-sensor measurements is a central challenge in learning parametric PDE dynamics. Existing approaches often struggle to generalize across trajectories and parameter…

机器学习 · 计算机科学 2026-02-05 Yanjie Tong , Peng Chen

Multiarm interferometers can enhance measurement precision and provide multiparameter capability to the measurement. Their realisation requires multiport beam splitters, which has been a long-standing challenge in free-space and integrated…

光学 · 物理学 2022-09-15 Jovana Petrovic , Aleksandra Maluckov , Nikola Stojanovic

Features based on sparse representation, especially using the synthesis dictionary model, have been heavily exploited in signal processing and computer vision. However, synthesis dictionary learning typically involves NP-hard sparse coding…

机器学习 · 计算机科学 2017-10-17 Bihan Wen , Saiprasad Ravishankar , Yoram Bresler

DNN-based frame interpolation, which generates intermediate frames from two consecutive frames, is often dependent on model architectures with a large number of features, preventing their deployment on systems with limited resources, such…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Tianyu Ding , Luming Liang , Zhihui Zhu , Tianyi Chen , Ilya Zharkov

Unsupervised discovery of latent representations, in addition to being useful for density modeling, visualisation and exploratory data analysis, is also increasingly important for learning features relevant to discriminative tasks.…

机器学习 · 统计学 2011-10-27 Jasper Snoek , Ryan Prescott Adams , Hugo Larochelle

The recent thrust on digital agriculture (DA) has renewed significant research interest in the automated delineation of agricultural fields. Most prior work addressing this problem have focused on detecting medium to large fields, while…

计算机视觉与模式识别 · 计算机科学 2020-12-30 Smit Marvaniya , Umamaheswari Devi , Jagabondhu Hazra , Shashank Mujumdar , Nitin Gupta

Sewing patterns define the structural foundation of garments and are essential for applications such as fashion design, fabrication, and physical simulation. Despite progress in automated pattern generation, accurately modeling sewing…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Cong Cao , Ren Li , Corentin Dumery , Hao Li

Many registration problems are ill-posed in homogeneous or noisy regions, and dense voxel-wise decoders can be unnecessarily high-dimensional. A sparse control-point parameterisation provides a compact, smooth deformation representation…

图像与视频处理 · 电气工程与系统科学 2026-03-19 Wen Yan , Qianye Yang , Yipei Wang , Shonit Punwani , Mark Emberton , Vasilis Stavrinides , Yipeng Hu , Dean Barratt

Example-based mesh deformation methods are powerful tools for realistic shape editing. However, existing techniques typically combine all the example deformation modes, which can lead to overfitting, i.e. using a overly complicated model to…

图形学 · 计算机科学 2017-09-06 Lin Gao , Yu-Kun Lai , Jie Yang , Ling-Xiao Zhang , Leif Kobbelt , Shihong Xia

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

In this paper, we present a compressed data structure for moving object trajectories in a road network, which are represented as sequences of road edges. Unlike existing compression methods for trajectories in a network, our method supports…

数据结构与算法 · 计算机科学 2017-10-02 Satoshi Koide , Yukihiro Tadokoro , Chuan Xiao , Yoshiharu Ishikawa

The significant optical and size benefits of using a curved focal surface for imaging systems have been well studied yet never brought to market for lack of a high-quality, mass-producible, curved image sensor. In this work we demonstrate…

This study introduces a novel On-the-Fly Guidance (OFG) training framework for enhancing existing learning-based image registration models, addressing the limitations of weakly-supervised and unsupervised methods. Weakly-supervised methods…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Yuelin Xin , Yicheng Chen , Shengxiang Ji , Kun Han , Xiaohui Xie

Camouflaged object detection (COD) aims to accurately detect objects hidden in the surrounding environment. However, the existing COD methods mainly locate camouflaged objects in the RGB domain, their performance has not been fully…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Runmin Cong , Mengyao Sun , Sanyi Zhang , Xiaofei Zhou , Wei Zhang , Yao Zhao

The recently proposed Magnetic Resonance Fingerprinting (MRF) technique can simultaneously estimate multiple parameters through dictionary matching. It has promising potentials in a wide range of applications. However, MRF introduces errors…

信息论 · 计算机科学 2014-01-06 Zhe Wang , Qinwei Zhang , Jing Yuan , Xiaogang Wang

MR image sparsity/compressibility has been widely exploited for imaging acceleration with the development of compressed sensing. A sparsity-based approach to rigid-body motion correction is presented for the first time in this paper. A…

计算机视觉与模式识别 · 计算机科学 2013-02-04 Zai Yang , Cishen Zhang , Lihua Xie

This study explores the generation of synthesized fingerprint images using Denoising Diffusion Probabilistic Models (DDPMs). The significant obstacles in collecting real biometric data, such as privacy concerns and the demand for diverse…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Freddie Grabovski , Lior Yasur , Yaniv Hacmon , Lior Nisimov , Stav Nimrod

Fingerprint alteration, also referred to as obfuscation presentation attack, is to intentionally tamper or damage the real friction ridge patterns to avoid identification by an AFIS. This paper proposes a method for detection and…

计算机视觉与模式识别 · 计算机科学 2018-09-20 Elham Tabassi , Tarang Chugh , Debayan Deb , Anil K. Jain

Benchmarking methods for 3d hand tracking is still an open problem due to the difficulty of acquiring ground truth data. We introduce a new dataset and benchmarking protocol that is insensitive to the accumulative error of other protocols.…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Dimitrios Tzionas , Juergen Gall