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Automatically selecting the best performing algorithm for a given dataset or ranking multiple algorithms by their expected performance supports users in developing new machine learning applications. Most approaches for this problem rely on…

机器学习 · 计算机科学 2022-07-14 Aditya Mohan , Tim Ruhkopf , Marius Lindauer

Visual place recognition (VPR) using deep networks has achieved state-of-the-art performance. However, most of them require a training set with ground truth sensor poses to obtain positive and negative samples of each observation's spatial…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Chao Chen , Zegang Cheng , Xinhao Liu , Yiming Li , Li Ding , Ruoyu Wang , Chen Feng

Ultrasound imaging is a cost-effective and radiation-free modality for visualizing anatomical structures in real-time, making it ideal for guiding surgical interventions. However, its limited field-of-view, speckle noise, and imaging…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Remi Delaunay , Ruisi Zhang , Filipe C. Pedrosa , Navid Feizi , Dianne Sacco , Rajni Patel , Jayender Jagadeesan

Visual place recognition is a critical task in computer vision, especially for localization and navigation systems. Existing methods often rely on contrastive learning: image descriptors are trained to have small distance for similar images…

计算机视觉与模式识别 · 计算机科学 2024-01-30 María Leyva-Vallina , Nicola Strisciuglio , Nicolai Petkov

Accurate detection and segmentation of anatomical structures from ultrasound images are crucial for clinical diagnosis and biometric measurements. Although ultrasound imaging has been widely used with superiorities such as low cost and…

计算机视觉与模式识别 · 计算机科学 2016-07-08 Hao Chen , Yefeng Zheng , Jin-Hyeong Park , Pheng-Ann Heng , S. Kevin Zhou

In this paper we propose a real-time, calibration-agnostic and effective localization system for self-driving cars. Our method learns to embed the online LiDAR sweeps and intensity map into a joint deep embedding space. Localization is then…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Ioan Andrei Bârsan , Shenlong Wang , Andrei Pokrovsky , Raquel Urtasun

In this paper, we present supervision-by-registration, an unsupervised approach to improve the precision of facial landmark detectors on both images and video. Our key observation is that the detections of the same landmark in adjacent…

计算机视觉与模式识别 · 计算机科学 2018-07-05 Xuanyi Dong , Shoou-I Yu , Xinshuo Weng , Shih-En Wei , Yi Yang , Yaser Sheikh

In breast surgical planning, accurate registration of MR images across patient positions has the potential to improve the localisation of tumours during breast cancer treatment. While learning-based registration methods have recently become…

Recent work by Suenderhauf et al. [1] demonstrated improved visual place recognition using proposal regions coupled with features from convolutional neural networks (CNN) to match landmarks between views. In this work we extend the approach…

计算机视觉与模式识别 · 计算机科学 2016-08-16 Pilailuck Panphattarasap , Andrew Calway

One of the key limitations in conventional deep learning based image reconstruction is the need for registered pairs of training images containing a set of high-quality groundtruth images. This paper addresses this limitation by proposing a…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Weijie Gan , Yu Sun , Cihat Eldeniz , Jiaming Liu , Hongyu An , Ulugbek S. Kamilov

A common way to implement navigation in mobile robots is through the use of landmarks. In this case, the main goal of the controller is to make progress toward a goal location (stability), while avoiding the boundary of the environment…

动力系统 · 数学 2022-09-16 Chenfei Wang , Roberto Tron

Supervised training of a convolutional network for object classification should make explicit any information related to the class of objects and disregard any auxiliary information associated with the capture of the image or the variation…

计算机视觉与模式识别 · 计算机科学 2014-11-25 Ali Sharif Razavian , Hossein Azizpour , Atsuto Maki , Josephine Sullivan , Carl Henrik Ek , Stefan Carlsson

We present Free Point Transformer (FPT) - a deep neural network architecture for non-rigid point-set registration. Consisting of two modules, a global feature extraction module and a point transformation module, FPT does not assume explicit…

图像与视频处理 · 电气工程与系统科学 2021-09-21 Zachary M C Baum , Yipeng Hu , Dean C Barratt

The size and geometry of the prostate are known to be pivotal quantities used by clinicians to assess the condition of the gland during prostate cancer screening. As an alternative to palpation, an increasing number of methods for…

计算机视觉与模式识别 · 计算机科学 2009-10-01 Robert Sheng Xu , Oleg Michailovich , Magdy Salama

Visual place recognition (VPR) is a fundamental task for many applications such as robot localization and augmented reality. Recently, the hierarchical VPR methods have received considerable attention due to the trade-off between accuracy…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Feng Lu , Shuting Dong , Lijun Zhang , Bingxi Liu , Xiangyuan Lan , Dongmei Jiang , Chun Yuan

Deep neural networks have introduced significant advancements in the field of machine learning-based analysis of digital pathology images including prostate tissue images. With the help of transfer learning, classification and segmentation…

Accurate facial landmarks are essential prerequisites for many tasks related to human faces. In this paper, an accurate facial landmark detector is proposed based on cascaded transformers. We formulate facial landmark detection as a…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Hui Li , Zidong Guo , Seon-Min Rhee , Seungju Han , Jae-Joon Han

Many successful methods developed for medical image analysis that are based on machine learning use supervised learning approaches, which often require large datasets annotated by experts to achieve high accuracy. However, medical data…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , David Cornell , Nils D. Forkert , Jacob L. Jaremko , Janet L. Ronsky

A reliable Ultrasound (US)-to-US registration method to compensate for brain shift would substantially improve Image-Guided Neurological Surgery. Developing such a registration method is very challenging, due to factors such as missing…

We present Neumann eigenmaps (NeuMaps), a novel approach for enhancing the standard diffusion map embedding using landmarks, i.e distinguished samples within the dataset. By interpreting these landmarks as a subgraph of the larger data…

统计理论 · 数学 2025-02-11 Shashank Sule , Wojciech Czaja
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