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Deep learning networks have shown promising performance for accurate object localization in medial images, but require large amount of annotated data for supervised training, which is expensive and expertise burdensome. To address this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Wenhui Lei , Wei Xu , Ran Gu , Hao Fu , Shaoting Zhang , Guotai Wang

Object counting and localization are key steps for quantitative analysis in large-scale microscopy applications. This procedure becomes challenging when target objects are overlapping, are densely clustered, and/or present fuzzy boundaries.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Shijie Li , Thomas Ach , Guido Gerig

Visual anomaly detection targets to detect images that notably differ from normal pattern, and it has found extensive application in identifying defective parts within the manufacturing industry. These anomaly detection paradigms…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Anindya Sundar Das , Guansong Pang , Monowar Bhuyan

Iterative methods such as iterative closest point (ICP) for point cloud registration often suffer from bad local optimality (e.g. saddle points), due to the nature of nonconvex optimization. To address this fundamental challenge, in this…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Ziming Zhang , Yuping Shao , Yiqing Zhang , Fangzhou Lin , Haichong Zhang , Elke Rundensteiner

Autofocus is an important task for digital cameras, yet current approaches often exhibit poor performance. We propose a learning-based approach to this problem, and provide a realistic dataset of sufficient size for effective learning. Our…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Charles Herrmann , Richard Strong Bowen , Neal Wadhwa , Rahul Garg , Qiurui He , Jonathan T. Barron , Ramin Zabih

Aligning general-purpose large language models (LLMs) to downstream tasks often incurs significant training adjustment costs. Prior research has explored various avenues to enhance alignment efficiency, primarily through minimal-data…

Computation and Language · Computer Science 2025-06-19 Hao Chen , Haoze Li , Zhiqing Xiao , Lirong Gao , Qi Zhang , Xiaomeng Hu , Ningtao Wang , Xing Fu , Junbo Zhao

A commercial robot, trained by its manufacturer to recognize a predefined number and type of objects, might be used in many settings, that will in general differ in their illumination conditions, background, type and degree of clutter, and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Gabriele Angeletti , Barbara Caputo , Tatiana Tommasi

Accurate facial landmark detection is critical for facial analysis tasks, yet prevailing heatmap and coordinate regression methods grapple with prohibitive computational costs and quantization errors. Through comprehensive theoretical…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Xu Bao , Zhi-Qi Cheng , Jun-Yan He , Chenyang Li , Wangmeng Xiang , Jingdong Sun , Hanbing Liu , Wei Liu , Bin Luo , Yifeng Geng , Xuansong Xie

LiDAR-based localization and mapping is one of the core components in many modern robotic systems due to the direct integration of range and geometry, allowing for precise motion estimation and generation of high quality maps in real-time.…

Robotics · Computer Science 2022-08-02 Julian Nubert , Etienne Walther , Shehryar Khattak , Marco Hutter

A good state representation is crucial to solving complicated reinforcement learning (RL) challenges. Many recent works focus on designing auxiliary losses for learning informative representations. Unfortunately, these handcrafted…

Machine Learning · Computer Science 2022-10-13 Tairan He , Yuge Zhang , Kan Ren , Minghuan Liu , Che Wang , Weinan Zhang , Yuqing Yang , Dongsheng Li

In face recognition, designing margin-based (e.g., angular, additive, additive angular margins) softmax loss functions plays an important role in learning discriminative features. However, these hand-crafted heuristic methods are…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Xiaobo Wang , Shuo Wang , Cheng Chi , Shifeng Zhang , Tao Mei

Convolutional neural networks (CNNs) often suffer from poor performance when tested on target data that differs from the training (source) data distribution, particularly in medical imaging applications where variations in imaging protocols…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Jingjie Guo , Weitong Zhang , Matthew Sinclair , Daniel Rueckert , Chen Chen

Weakly-supervised learning approaches have gained significant attention due to their ability to reduce the effort required for human annotations in training neural networks. This paper investigates a framework for weakly-supervised object…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Byeongkeun Kang , Sinhae Cha , Yeejin Lee

Anomaly detection presents a unique challenge in machine learning, due to the scarcity of labeled anomaly data. Recent work attempts to mitigate such problems by augmenting training of deep anomaly detection models with additional labeled…

Machine Learning · Computer Science 2021-05-18 Ziyu Ye , Yuxin Chen , Haitao Zheng

This paper provides a simple solution for reliably solving image classification tasks tied to spatial locations of salient objects in the scene. Unlike conventional image classification approaches that are designed to be invariant to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Akshay Rangesh , Mohan M. Trivedi

This paper addresses the challenge of localization of anatomical landmarks in knee X-ray images at different stages of osteoarthritis (OA). Landmark localization can be viewed as regression problem, where the landmark position is directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Aleksei Tiulpin , Iaroslav Melekhov , Simo Saarakkala

Existing deep trackers mainly use convolutional neural networks pre-trained for generic object recognition task for representations. Despite demonstrated successes for numerous vision tasks, the contributions of using pre-trained deep…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Xin Li , Chao Ma , Baoyuan Wu , Zhenyu He , Ming-Hsuan Yang

Data in the real world tends to exhibit a long-tailed label distribution, which poses great challenges for the training of neural networks in visual recognition. Existing methods tackle this problem mainly from the perspective of data…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Yan Zhao , Weicong Chen , Xu Tan , Kai Huang , Jihong Zhu

Federated learning is a recent development in the machine learning area that allows a system of devices to train on one or more tasks without sharing their data to a single location or device. However, this framework still requires a…

Machine Learning · Computer Science 2024-01-11 Guangyao Zheng , Michael A. Jacobs , Vladimir Braverman , Vishwa S. Parekh

The performance of deep neural networks improves with more annotated data. The problem is that the budget for annotation is limited. One solution to this is active learning, where a model asks human to annotate data that it perceived as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Donggeun Yoo , In So Kweon
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