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Similarity-preserving hashing is a commonly used method for nearest neighbour search in large-scale image retrieval. For image retrieval, deep-networks-based hashing methods are appealing since they can simultaneously learn effective image…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Hanjiang Lai , Pan Yan , Xiangbo Shu , Yunchao Wei , Shuicheng Yan

Existing multi-focus image fusion (MFIF) methods often fail to preserve the uncertain transition region and detect small focus areas within large defocused regions accurately. To address this issue, this study proposes a new…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Xilai Li , Xiaosong Li , Haishu Tan , Jinyang Li

Nuclei instance segmentation in pathological images is crucial for downstream tasks such as tumor microenvironment analysis. However, the high cost and scarcity of annotated data limit the applicability of fully supervised methods, while…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Zenan Lin , Wei Li , Jintao Chen , Zihao Wu , Wenxiong Kang , Changxin Gao , Liansheng Wang , Jin-Gang Yu

Medical image segmentation, or computing voxelwise semantic masks, is a fundamental yet challenging task to compute a voxel-level semantic mask. To increase the ability of encoder-decoder neural networks to perform this task across large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Ho Hin Lee , Yucheng Tang , Qi Yang , Xin Yu , Shunxing Bao , Leon Y. Cai , Lucas W. Remedios , Bennett A. Landman , Yuankai Huo

Object category localization is a challenging problem in computer vision. Standard supervised training requires bounding box annotations of object instances. This time-consuming annotation process is sidestepped in weakly supervised…

Computer Vision and Pattern Recognition · Computer Science 2016-05-30 Ramazan Gokberk Cinbis , Jakob Verbeek , Cordelia Schmid

As advanced image manipulation techniques emerge, detecting the manipulation becomes increasingly important. Despite the success of recent learning-based approaches for image manipulation detection, they typically require expensive…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yuanhao Zhai , Tianyu Luan , David Doermann , Junsong Yuan

Industrial surface defect inspection for sample-wise quality control (QC) must simultaneously decide whether a given sample contains defects and localize those defects spatially. In real production lines, extreme foreground-background…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Hang-Cheng Dong , Yibo Jiao , Fupeng Wei , Guodong Liu , Dong Ye , Bingguo Liu

Recently unsupervised person re-identification (re-ID) has drawn much attention due to its open-world scenario settings where limited annotated data is available. Existing supervised methods often fail to generalize well on unseen domains,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yuanpeng Tu

This study formulates the IR target detection as a binary classification problem of each pixel. Each pixel is associated with a label which indicates whether it is a target or background pixel. The optimal label set for all the pixels of an…

Computer Vision and Pattern Recognition · Computer Science 2014-09-10 Toufiq Parag

In this work, we address the problem of unsupervised domain adaptation for person re-ID where annotations are available for the source domain but not for target. Previous methods typically follow a two-stage optimization pipeline, where the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Takashi Isobe , Dong Li , Lu Tian , Weihua Chen , Yi Shan , Shengjin Wang

We consider the task of localizing targets of interest in a hyperspectral (HS) image based on their spectral signature(s), by posing the problem as two distinct convex demixing task(s). With applications ranging from remote sensing to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Sirisha Rambhatla , Xingguo Li , Jineng Ren , Jarvis Haupt

Multi-instance multi-label (MIML) learning has many interesting applications in computer visions, including multi-object recognition and automatic image tagging. In these applications, additional information such as bounding-boxes, image…

Computer Vision and Pattern Recognition · Computer Science 2017-03-01 Hao Yang , Joey Tianyi Zhou , Jianfei Cai , Yew Soon Ong

Pathological image analysis is an important process for detecting abnormalities such as cancer from cell images. However, since the image size is generally very large, the cost of providing detailed annotations is high, which makes it…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Shusuke Takahama , Yusuke Kurose , Yusuke Mukuta , Hiroyuki Abe , Akihiko Yoshizawa , Tetsuo Ushiku , Masashi Fukayama , Masanobu Kitagawa , Masaru Kitsuregawa , Tatsuya Harada

We propose a novel domain adaptive action detection approach and a new adaptation protocol that leverages the recent advancements in image-level unsupervised domain adaptation (UDA) techniques and handle vagaries of instance-level video…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Yifan Lu , Gurkirt Singh , Suman Saha , Luc Van Gool

A major obstacle in instance segmentation is that existing methods often need many per-pixel labels in order to be effective. These labels require large human effort and for certain applications, such labels are not readily available. To…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Issam H. Laradji , David Vazquez , Mark Schmidt

Existing self-supervised learning strategies are constrained to either a limited set of objectives or generic downstream tasks that predominantly target uni-modal applications. This has isolated progress for imperative multi-modal…

Computation and Language · Computer Science 2022-09-30 Shivam Sharma , Mohd Khizir Siddiqui , Md. Shad Akhtar , Tanmoy Chakraborty

In many practical applications of supervised learning the task involves the prediction of multiple target variables from a common set of input variables. When the prediction targets are binary the task is called multi-label classification,…

Machine Learning · Computer Science 2016-01-28 Eleftherios Spyromitros-Xioufis , Grigorios Tsoumakas , William Groves , Ioannis Vlahavas

Despite the recent advances in video classification, progress in spatio-temporal action recognition has lagged behind. A major contributing factor has been the prohibitive cost of annotating videos frame-by-frame. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Anurag Arnab , Chen Sun , Arsha Nagrani , Cordelia Schmid

We present a multiple instance learning class activation map (MIL-CAM) approach for pixel-level minirhizotron image segmentation given weak image-level labels. Minirhizotrons are used to image plant roots in situ. Minirhizotron imagery is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Guohao Yu , Alina Zare , Weihuang Xu , Roser Matamala , Joel Reyes-Cabrera , Felix B. Fritschi , Thomas E. Juenger

Currently, the state-of-the-art methods treat few-shot semantic segmentation task as a conditional foreground-background segmentation problem, assuming each class is independent. In this paper, we introduce the concept of meta-class, which…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Zhonghua Wu , Xiangxi Shi , Guosheng lin , Jianfei Cai