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We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

Surgical tool segmentation in endoscopic images is an important problem: it is a crucial step towards full instrument pose estimation and it is used for integration of pre- and intra-operative images into the endoscopic view. While many…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Daniil Pakhomov , Wei Shen , Nassir Navab

Supervised learning in large discriminative models is a mainstay for modern computer vision. Such an approach necessitates investing in large-scale human-annotated datasets for achieving state-of-the-art results. In turn, the efficacy of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

Few-shot segmentation aims at assigning a category label to each image pixel with few annotated samples. It is a challenging task since the dense prediction can only be achieved under the guidance of latent features defined by sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Kai Zhu , Wei Zhai , Zheng-Jun Zha , Yang Cao

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

A central goal of unsupervised learning is to acquire representations from unlabeled data or experience that can be used for more effective learning of downstream tasks from modest amounts of labeled data. Many prior unsupervised learning…

Machine Learning · Computer Science 2019-03-25 Kyle Hsu , Sergey Levine , Chelsea Finn

We propose an unsupervised image segmentation method using features from pre-trained text-to-image diffusion models. Inspired by classic spectral clustering approaches, we construct adjacency matrices from self-attention layers between…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Daniela Ivanova , Marco Aversa , Paul Henderson , John Williamson

Detecting curved text in the wild is very challenging. Recently, most state-of-the-art methods are segmentation based and require pixel-level annotations. We propose a novel scheme to train an accurate text detector using only a small…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Xugong Qin , Yu Zhou , Dongbao Yang , Weiping Wang

There has been much interest in deploying deep learning algorithms on low-powered devices, including smartphones, drones, and medical sensors. However, full-scale deep neural networks are often too resource-intensive in terms of energy and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yoshitomo Matsubara , Ruihan Yang , Marco Levorato , Stephan Mandt

In this paper, we introduce a fully convolutional network for the document layout analysis task. While state-of-the-art methods are using models pre-trained on natural scene images, our method Doc-UFCN relies on a U-shaped model trained…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Mélodie Boillet , Christopher Kermorvant , Thierry Paquet

Image smoothing represents a fundamental component of many disparate computer vision and graphics applications. In this paper, we present a unified unsupervised (label-free) learning framework that facilitates generating flexible and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-08 Qingnan Fan , Jiaolong Yang , David Wipf , Baoquan Chen , Xin Tong

In this work, we propose a new unsupervised image segmentation approach based on mutual information maximization between different constructed views of the inputs. Taking inspiration from autoregressive generative models that predict the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Yassine Ouali , Céline Hudelot , Myriam Tami

Nonlinear hyperspectral unmixing has recently received considerable attention, as linear mixture models do not lead to an acceptable resolution in some problems. In fact, most nonlinear unmixing methods are designed by assuming specific…

Image and Video Processing · Electrical Eng. & Systems 2024-02-07 Saeid Mehrdad , Seyed AmirHossein Janani

Tissue segmentation is the mainstay of pathological examination, whereas the manual delineation is unduly burdensome. To assist this time-consuming and subjective manual step, researchers have devised methods to automatically segment…

Image and Video Processing · Electrical Eng. & Systems 2022-08-08 Yang Nan , Peng Tang , Guyue Zhang , Caihong Zeng , Zhihong Liu , Zhifan Gao , Heye Zhang , Guang Yang

This paper presents a comprehensive survey on deep learning-based image watermarking, a technique that entails the invisible embedding and extraction of watermarks within a cover image, aiming to offer a seamless blend of robustness and…

Multimedia · Computer Science 2023-10-31 Xin Zhong , Arjon Das , Fahad Alrasheedi , Abdullah Tanvir

Large-scale labeled data are generally required to train deep neural networks in order to obtain better performance in visual feature learning from images or videos for computer vision applications. To avoid extensive cost of collecting and…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Longlong Jing , Yingli Tian

Unsupervised semantic segmentation requires assigning a label to every pixel without any human annotations. Despite recent advances in self-supervised representation learning for individual images, unsupervised semantic segmentation with…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Wenbin He , William Surmeier , Arvind Kumar Shekar , Liang Gou , Liu Ren

In this work, we introduce a novel deep learning-based approach to text-in-image watermarking, a method that embeds and extracts textual information within images to enhance data security and integrity. Leveraging the capabilities of deep…

Multimedia · Computer Science 2024-04-23 Bishwa Karki , Chun-Hua Tsai , Pei-Chi Huang , Xin Zhong

Image segmentation methods are usually trained with pixel-level annotations, which require significant human effort to collect. The most common solution to address this constraint is to implement weakly-supervised pipelines trained with…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Being able to segment unseen classes not observed during training is an important technical challenge in deep learning, because of its potential to reduce the expensive annotation required for semantic segmentation. Prior zero-label…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Giuseppe Pastore , Fabio Cermelli , Yongqin Xian , Massimiliano Mancini , Zeynep Akata , Barbara Caputo