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Material recognition methods use image context and local cues for pixel-wise classification. In many cases only a single image is available to make a material prediction. Image sequences, routinely acquired in applications such as mutliview…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Matthew Purri , Jia Xue , Kristin Dana , Matthew Leotta , Dan Lipsa , Zhixin Li , Bo Xu , Jie Shan

Identifying the land cover category for each pixel in a hyperspectral image (HSI) relies on spectral and spatial information. An HSI cuboid with a specific patch size is utilized to extract spatial-spectral feature representation for the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Jie Zhang , Yongshan Zhang , Yicong Zhou

This work introduces composed image retrieval to remote sensing. It allows to query a large image archive by image examples alternated by a textual description, enriching the descriptive power over unimodal queries, either visual or…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Bill Psomas , Ioannis Kakogeorgiou , Nikos Efthymiadis , Giorgos Tolias , Ondrej Chum , Yannis Avrithis , Konstantinos Karantzalos

Multimodal alignment between language and vision is the fundamental topic in current vision-language model research. Contrastive Captioners (CoCa), as a representative method, integrates Contrastive Language-Image Pretraining (CLIP) and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Ziping Ma , Furong Xu , Jian Liu , Ming Yang , Qingpei Guo

Contrastive learning for single object centric images has achieved remarkable progress on unsupervised representation, but suffering inferior performance on the widespread images with multiple objects. In this paper, we propose a simple but…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Chengchao Shen , Dawei Liu , Jianxin Wang

Whole slide imaging is fundamental to biomedical microscopy and computational pathology. Previously, learning representations for gigapixel-sized whole slide images (WSIs) has relied on multiple instance learning with weak labels, which do…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Xinhai Hou , Cheng Jiang , Akhil Kondepudi , Yiwei Lyu , Asadur Chowdury , Honglak Lee , Todd C. Hollon

Compressive imaging is an emerging application of compressed sensing, devoted to acquisition, encoding and reconstruction of images using random projections as measurements. In this paper we propose a novel method to provide a scalable…

Information Theory · Computer Science 2013-10-07 Diego Valsesia , Enrico Magli

Advancements in text-to-image generative AI with large multimodal models are spreading into the field of image compression, creating high-quality representation of images at extremely low bit rates. This work introduces novel components to…

Image and Video Processing · Electrical Eng. & Systems 2025-06-02 Cheng-Lin Wu , Hyomin Choi , Ivan V. Bajić

Deep networks are increasingly being applied to problems involving image synthesis, e.g., generating images from textual descriptions and reconstructing an input image from a compact representation. Supervised training of image-synthesis…

Machine Learning · Computer Science 2017-01-25 Jake Snell , Karl Ridgeway , Renjie Liao , Brett D. Roads , Michael C. Mozer , Richard S. Zemel

Referring image segmentation (RIS) is a fundamental vision-language task that intends to segment a desired object from an image based on a given natural language expression. Due to the essentially distinct data properties between image and…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Wenxuan Wang , Jing Liu , Xingjian He , Yisi Zhang , Chen Chen , Jiachen Shen , Yan Zhang , Jiangyun Li

Retrogressive Thaw Slumps (RTS) in Arctic regions are distinct permafrost landforms with significant environmental impacts. Mapping these RTS is crucial because their appearance serves as a clear indication of permafrost thaw. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Wenwen Li , Chia-Yu Hsu , Sizhe Wang , Zhining Gu , Yili Yang , Brendan M. Rogers , Anna Liljedahl

Unsupervised region representation learning aims to extract dense and effective features from unlabeled urban data. While some efforts have been made for solving this problem based on multiple views, existing methods are still insufficient…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Liang Zhang , Cheng Long , Gao Cong

Hyperspectral images (HSI) classification is a high technical remote sensing software. The purpose is to reproduce a thematic map . The HSI contains more than a hundred hyperspectral measures, as bands (or simply images), of the concerned…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

We tackle the problem of class incremental learning (CIL) in the realm of landcover classification from optical remote sensing (RS) images in this paper. The paradigm of CIL has recently gained much prominence given the fact that data are…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 S Divakar Bhat , Biplab Banerjee , Subhasis Chaudhuri , Avik Bhattacharya

Image-text multimodal representation learning aligns data across modalities and enables important medical applications, e.g., image classification, visual grounding, and cross-modal retrieval. In this work, we establish a connection between…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Peiqi Wang , William M. Wells , Seth Berkowitz , Steven Horng , Polina Golland

Language-supervised vision models have recently attracted great attention in computer vision. A common approach to build such models is to use contrastive learning on paired data across the two modalities, as exemplified by Contrastive…

Machine Learning · Computer Science 2023-03-16 Ryumei Nakada , Halil Ibrahim Gulluk , Zhun Deng , Wenlong Ji , James Zou , Linjun Zhang

Recent self-supervised learning (SSL) methods have shown impressive results in learning visual representations from unlabeled images. This paper aims to improve their performance further by utilizing the architectural advantages of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Sukmin Yun , Hankook Lee , Jaehyung Kim , Jinwoo Shin

Motions are reflected in videos as the movement of pixels, and actions are essentially patterns of inconsistent motions between the foreground and the background. To well distinguish the actions, especially those with complicated…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ziyuan Huang , Shiwei Zhang , Jianwen Jiang , Mingqian Tang , Rong Jin , Marcelo Ang

The Earth's surface is subject to complex and dynamic processes, ranging from large-scale phenomena such as tectonic plate movements to localized changes associated with ecosystems, agriculture, or human activity. Satellite images enable…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Corentin Dufourg , Charlotte Pelletier , Stéphane May , Sébastien Lefèvre

Learning representations of multimodal data that are both informative and robust to missing modalities at test time remains a challenging problem due to the inherent heterogeneity of data obtained from different channels. To address it, we…

Machine Learning · Computer Science 2022-11-21 Petra Poklukar , Miguel Vasco , Hang Yin , Francisco S. Melo , Ana Paiva , Danica Kragic