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Accurate annotation of cutaneous neoplasm biopsies represents a major challenge due to their wide morphological variability, overlapping histological patterns, and the subtle distinctions between benign and malignant lesions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Santiago Moreno , Pablo Meseguer , Rocío del Amor , Valery Naranjo

Zero-shot semantic segmentation (ZS3) aims to segment the novel categories that have not been seen in the training. Existing works formulate ZS3 as a pixel-level zeroshot classification problem, and transfer semantic knowledge from seen…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Jian Ding , Nan Xue , Gui-Song Xia , Dengxin Dai

Recent studies have shown remarkable success in unsupervised image-to-image translation. However, if there has no access to enough images in target classes, learning a mapping from source classes to the target classes always suffers from…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Yuanqi Chen , Xiaoming Yu , Shan Liu , Ge Li

Unsupervised image semantic segmentation(UISS) aims to match low-level visual features with semantic-level representations without outer supervision. In this paper, we address the critical properties from the view of feature alignments and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Daoan Zhang , Chenming Li , Haoquan Li , Wenjian Huang , Lingyun Huang , Jianguo Zhang

While semantic segmentation has seen tremendous improvements in the past, there are still significant labeling efforts necessary and the problem of limited generalization to classes that have not been present during training. To address…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Benedikt Blumenstiel , Johannes Jakubik , Hilde Kühne , Michael Vössing

Semantic Segmentation is one of the most challenging vision tasks, usually requiring large amounts of training data with expensive pixel level annotations. With the success of foundation models and especially vision-language models, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Soroush Seifi , Daniel Olmeda Reino , Fabien Despinoy , Rahaf Aljundi

Zero-shot 3D part segmentation is a challenging and fundamental task. In this work, we propose a novel pipeline, ZeroPS, which achieves high-quality knowledge transfer from 2D pretrained foundation models (FMs), SAM and GLIP, to 3D object…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Yuheng Xue , Nenglun Chen , Jun Liu , Wenyun Sun

Zero-shot classification capabilities naturally arise in models trained within a vision-language contrastive framework. Despite their classification prowess, these models struggle in dense tasks like zero-shot open-vocabulary segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Thomas Stegmüller , Tim Lebailly , Nikola Dukic , Behzad Bozorgtabar , Tinne Tuytelaars , Jean-Philippe Thiran

Instance segmentation of novel objects instances in RGB images, given some example images for each object, is a well known problem in computer vision. Designing a model general enough to be employed for all kinds of novel objects without…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Max Gandyra , Alessandro Santonicola , Michael Beetz

Methods for object detection and segmentation often require abundant instance-level annotations for training, which are time-consuming and expensive to collect. To address this, the task of zero-shot object detection (or segmentation) aims…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Siddhesh Khandelwal , Anirudth Nambirajan , Behjat Siddiquie , Jayan Eledath , Leonid Sigal

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Referring Image Segmentation (RIS) - the problem of identifying objects in images through natural language sentences - is a challenging task currently mostly solved through supervised learning. However, while collecting referred annotation…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Francisco Eiras , Kemal Oksuz , Adel Bibi , Philip H. S. Torr , Puneet K. Dokania

This work introduces a model that can recognize objects in images even if no training data is available for the objects. The only necessary knowledge about the unseen categories comes from unsupervised large text corpora. In our zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2013-03-21 Richard Socher , Milind Ganjoo , Hamsa Sridhar , Osbert Bastani , Christopher D. Manning , Andrew Y. Ng

Traditionally, algorithms that learn to segment object instances in 2D images have heavily relied on large amounts of human-annotated data. Only recently, novel approaches have emerged tackling this problem in an unsupervised fashion.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Leon Sick , Dominik Engel , Sebastian Hartwig , Pedro Hermosilla , Timo Ropinski

Thanks to the impressive progress of large-scale vision-language pretraining, recent recognition models can classify arbitrary objects in a zero-shot and open-set manner, with a surprisingly high accuracy. However, translating this success…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Xinyu Liu , Beiwen Tian , Zhen Wang , Rui Wang , Kehua Sheng , Bo Zhang , Hao Zhao , Guyue Zhou

Camouflaged Object Segmentation (COS) faces significant challenges due to the scarcity of annotated data, where meticulous pixel-level annotation is both labor-intensive and costly, primarily due to the intricate object-background…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Cheng Lei , Jie Fan , Xinran Li , Tianzhu Xiang , Ao Li , Ce Zhu , Le Zhang

Segmenting medical images is critical to facilitating both patient diagnoses and quantitative research. A major limiting factor is the lack of labeled data, as obtaining expert annotations for each new set of imaging data and task can be…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Chen Liu , Matthew Amodio , Liangbo L. Shen , Feng Gao , Arman Avesta , Sanjay Aneja , Jay C. Wang , Lucian V. Del Priore , Smita Krishnaswamy

3D semantic scene understanding tasks have achieved great success with the emergence of deep learning, but often require a huge amount of manually annotated training data. To alleviate the annotation cost, we propose the first…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Shichao Dong , Guosheng Lin

Deep learning models achieve high accuracy in segmentation tasks among others, yet domain shift often degrades the models' performance, which can be critical in real-world scenarios where no target images are available. This paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Hiroki Azuma , Yusuke Matsui , Atsuto Maki

Zero-Shot Learning is an important paradigm within General-Purpose Artificial Intelligence Systems, particularly in those that operate in open-world scenarios where systems must adapt to new tasks dynamically. Semantic spaces play a pivotal…

Machine Learning · Computer Science 2025-10-07 Juan Jose Herrera-Aranda , Guillermo Gomez-Trenado , Francisco Herrera , Isaac Triguero