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This paper presents a new regularization method to train a fully convolutional network for semantic tissue segmentation in histopathological images. This method relies on the benefit of unsupervised learning, in the form of image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 C. T. Sari , C. Sokmensuer , C. Gunduz-Demir

Semantic segmentation requires a detailed labeling of image pixels by object category. Information derived from local image patches is necessary to describe the detailed shape of individual objects. However, this information is ambiguous…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Hexiang Hu , Zhiwei Deng , Guang-Tong Zhou , Fei Sha , Greg Mori

Open-vocabulary object detection aims to detect novel object categories beyond the training set. The advanced open-vocabulary two-stage detectors employ instance-level visual-to-visual knowledge distillation to align the visual space of the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zongyang Ma , Guan Luo , Jin Gao , Liang Li , Yuxin Chen , Shaoru Wang , Congxuan Zhang , Weiming Hu

Segmentation remains an important problem in image processing. For homogeneous (piecewise smooth) images, a number of important models have been developed and refined over the past several decades. However, these models often fail when…

Computer Vision and Pattern Recognition · Computer Science 2016-07-01 Duy Hoang Thai , Lucas Mentch

Global context information is vital in visual understanding problems, especially in pixel-level semantic segmentation. The mainstream methods adopt the self-attention mechanism to model global context information. However, pixels belonging…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Yanwen Chong , Congchong Nie , Yulong Tao , Xiaoshu Chen , Shaoming Pan

Hierarchies allow feature sharing between objects at multiple levels of representation, can code exponential variability in a very compact way and enable fast inference. This makes them potentially suitable for learning and recognizing a…

Computer Vision and Pattern Recognition · Computer Science 2014-08-26 Sanja Fidler , Marko Boben , Ales Leonardis

Open-vocabulary segmentation models often struggle to generalize to unseen combinations of object categories and attributes, because fine-grained descriptions are typically encoded as holistic sentences that entangle multiple semantic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Chenhao Wang , Yingrui Ji , Yu Meng , Yao Zhu

Open-vocabulary semantic segmentation requires adapting image-level vision-language models such as CLIP to dense pixel-level prediction, which is challenging due to the mismatch between hierarchical structure and semantic alignment in the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Hoang M. Truong , Hai Nguyen-Truong , Dang Huynh

Large vision-language models revolutionized image classification and semantic segmentation paradigms. However, they typically assume a pre-defined set of categories, or vocabulary, at test time for composing textual prompts. This assumption…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Alessandro Conti , Enrico Fini , Massimiliano Mancini , Paolo Rota , Yiming Wang , Elisa Ricci

This paper addresses the semantic instance segmentation task in the open-set conditions, where input images can contain known and unknown object classes. The training process of existing semantic instance segmentation methods requires…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Trung Pham , Vijay Kumar B G , Thanh-Toan Do , Gustavo Carneiro , Ian Reid

Image segmentation refers to the process to divide an image into nonoverlapping meaningful regions according to human perception, which has become a classic topic since the early ages of computer vision. A lot of research has been conducted…

Computer Vision and Pattern Recognition · Computer Science 2015-02-04 Hongyuan Zhu , Fanman Meng , Jianfei Cai , Shijian Lu

Common visual recognition tasks such as classification, object detection, and semantic segmentation are rapidly reaching maturity, and given the recent rate of progress, it is not unreasonable to conjecture that techniques for many of these…

Computer Vision and Pattern Recognition · Computer Science 2016-12-15 Yan Zhu , Yuandong Tian , Dimitris Mexatas , Piotr Dollár

Given an input image and set of class names, panoptic segmentation aims to label each pixel in an image with class labels and instance labels. In comparison, Open Vocabulary Panoptic Segmentation aims to facilitate the segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Nafis Sadeq , Qingfeng Liu , Mostafa El-Khamy

Open-vocabulary semantic segmentation aims to segment images into distinct semantic regions for both seen and unseen categories at the pixel level. Current methods utilize text embeddings from pre-trained vision-language models like CLIP…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Ziyu Zhao , Xiaoguang Li , Linjia Shi , Nasrin Imanpour , Song Wang

To address the limitations of existing open-vocabulary object recognition methods, specifically high system complexity, substantial training costs, and limited generalization, this paper proposes a novel Open-Vocabulary Object Recognition…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Wei Yu Chen , Ying Dai

Open vocabulary image segmentation tackles the challenge of recognizing dynamically adjustable, predefined novel categories at inference time by leveraging vision-language alignment. However, existing paradigms typically perform…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Jianghang Lin , Yue Hu , Jiangtao Shen , Yunhang Shen , Liujuan Cao , Shengchuan Zhang , Rongrong Ji

Segmenting an object in a video presents significant challenges. Each pixel must be accurately labelled, and these labels must remain consistent across frames. The difficulty increases when the segmentation is with arbitrary granularity,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Amirhossein Alimohammadi , Sauradip Nag , Saeid Asgari Taghanaki , Andrea Tagliasacchi , Ghassan Hamarneh , Ali Mahdavi Amiri

Foundation models have exhibited unprecedented capabilities in tackling many domains and tasks. Models such as CLIP are currently widely used to bridge cross-modal representations, and text-to-image diffusion models are arguably the leading…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Barbara Toniella Corradini , Mustafa Shukor , Paul Couairon , Guillaume Couairon , Franco Scarselli , Matthieu Cord

Semantic segmentation is a crucial task in computer vision, where each pixel in an image is classified into a category. However, traditional methods face significant challenges, including the need for pixel-level annotations and extensive…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yasufumi Kawano , Yoshimitsu Aoki

The goal of visual word sense disambiguation is to find the image that best matches the provided description of the word's meaning. It is a challenging problem, requiring approaches that combine language and image understanding. In this…

Computation and Language · Computer Science 2023-04-17 Sławomir Dadas