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Tiny object detection is becoming one of the most challenging tasks in computer vision because of the limited object size and lack of information. The label assignment strategy is a key factor affecting the accuracy of object detection.…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Shuohao Shi , Qiang Fang , Tong Zhao , Xin Xu

Cell instance segmentation (CIS) is crucial for identifying individual cell morphologies in histopathological images, providing valuable insights for biological and medical research. While unsupervised CIS (UCIS) models aim to reduce the…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Sanghyun Jo , Seo Jin Lee , Seungwoo Lee , Seohyung Hong , Hyungseok Seo , Kyungsu Kim

In this work, a new method for automatically extending Bounding Box (BB) and mask labels across different channels on multilens cameras is presented. For that purpose, the proposed method combines the well known phase correlation method…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Ignacio de Loyola Páez-Ubieta , Daniel Frau-Alfaro , Santiago T. Puente

Recent years have seen increasing use of supervised learning methods for segmentation tasks. However, the predictive performance of these algorithms depends on the quality of labels. This problem is particularly pertinent in the medical…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Le Zhang , Ryutaro Tanno , Mou-Cheng Xu , Chen Jin , Joseph Jacob , Olga Ciccarelli , Frederik Barkhof , Daniel C. Alexander

Image segmentation and classification are the two main fundamental steps in pattern recognition. To perform medical image segmentation or classification with deep learning models, it requires training on large image dataset with annotation.…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Anandhanarayanan Kamalakannan , Shiva Shankar Ganesan , Govindaraj Rajamanickam

The development of high quality medical image segmentation algorithms depends on the availability of large datasets with pixel-level labels. The challenges of collecting such datasets, especially in case of 3D volumes, motivate to develop…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Ekaterina Redekop , Alexey Chernyavskiy

Bounding box regression plays a crucial role in the field of object detection, and the positioning accuracy of object detection largely depends on the loss function of bounding box regression. Existing researchs improve regression…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Hao Zhang , Shuaijie Zhang

Existing scene text spotting (i.e., end-to-end text detection and recognition) methods rely on costly bounding box annotations (e.g., text-line, word-level, or character-level bounding boxes). For the first time, we demonstrate that…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Dezhi Peng , Xinyu Wang , Yuliang Liu , Jiaxin Zhang , Mingxin Huang , Songxuan Lai , Shenggao Zhu , Jing Li , Dahua Lin , Chunhua Shen , Xiang Bai , Lianwen Jin

Recently deep neural networks, which require a large amount of annotated samples, have been widely applied in nuclei instance segmentation of H\&E stained pathology images. However, it is inefficient and unnecessary to label all pixels for…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Wei Lou , Haofeng Li , Guanbin Li , Xiaoguang Han , Xiang Wan

Many recent studies have shown that deep neural models are vulnerable to adversarial samples: images with imperceptible perturbations, for example, can fool image classifiers. In this paper, we present the first type-specific approach to…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Omid Mohamad Nezami , Akshay Chaturvedi , Mark Dras , Utpal Garain

Semi- and weakly-supervised learning have recently attracted considerable attention in the object detection literature since they can alleviate the cost of annotation needed to successfully train deep learning models. State-of-art…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Akhil Meethal , Marco Pedersoli , Zhongwen Zhu , Francisco Perdigon Romero , Eric Granger

Methods to detect malignant lesions from screening mammograms are usually trained with fully annotated datasets, where images are labelled with the localisation and classification of cancerous lesions. However, real-world screening…

Deep neural networks (DNNs) have demonstrated exceptional performance across various image segmentation tasks. However, the process of preparing datasets for training segmentation DNNs is both labor-intensive and costly, as it typically…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Yixin Zhang , Shen Zhao , Hanxue Gu , Maciej A. Mazurowski

Pretraining has been shown to improve performance in many domains, including semantic segmentation, especially in domains with limited labelled data. In this work, we perform a large-scale evaluation and benchmarking of various pretraining…

计算机视觉与模式识别 · 计算机科学 2024-02-28 David Torpey , Lawrence Pratt , Richard Klein

Accurate segmentation of MR brain tissue is a crucial step for diagnosis,surgical planning, and treatment of brain abnormalities. However,it is a time-consuming task to be performed by medical experts. So, automatic and reliable…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Yang Deng , Yao Sun , Yongpei Zhu , Mingwang Zhu , Wei Han , Kehong Yuan

In medical imaging, inter-observer variability among radiologists often introduces label uncertainty, particularly in modalities where visual interpretation is subjective. Lung ultrasound (LUS) is a prime example-it frequently presents a…

Understanding sickle cell dynamics requires accurate identification of morphological transitions under diverse biophysical conditions, particularly in densely packed and overlapping cell populations. Here, we present an automated deep…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Nikhil Kadivar , Guansheng Li , Jianlu Zheng , Ming Dao , George Em Karniadakis , Mengjia Xu

We share our recent findings in an attempt to train a universal segmentation network for various cell types and imaging modalities. Our method was built on the generalized U-Net architecture, which allows the evaluation of each component…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Tianqi Guo , Yin Wang , Luis Solorio , Jan P. Allebach

Most methods for object instance segmentation require all training examples to be labeled with segmentation masks. This requirement makes it expensive to annotate new categories and has restricted instance segmentation models to ~100…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Ronghang Hu , Piotr Dollár , Kaiming He , Trevor Darrell , Ross Girshick

Bounding box regression (BBR) is fundamental to object detection, where the regression loss is crucial for accurate localization. Existing IoU-based losses often incorporate handcrafted geometric penalties to address IoU's…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Haoyuan Liu , Hiroshi Watanabe