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Object extraction and segmentation from remote sensing (RS) images is a critical yet challenging task in urban environment monitoring. Urban morphology is inherently complex, with irregular objects of diverse shapes and varying scales.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Chenyu Li , Danfeng Hong , Bing Zhang , Yuxuan Li , Gustau Camps-Valls , Xiao Xiang Zhu , Jocelyn Chanussot

Recently, Referring Image Segmentation (RIS) frameworks that pair the Multimodal Large Language Model (MLLM) with the Segment Anything Model (SAM) have achieved impressive results. However, adapting MLLM to segmentation is computationally…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Xiaobo Yang , Xiaojin Gong

Weakly supervised semantic segmentation (WSSS) aims to bypass the need for laborious pixel-level annotation by using only image-level annotation. Most existing methods rely on Class Activation Maps (CAM) to derive pixel-level pseudo-labels…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Tianle Chen , Zheda Mai , Ruiwen Li , Wei-lun Chao

Text-guided object segmentation requires both cross-modal reasoning and pixel grounding abilities. Most recent methods treat text-guided segmentation as one-shot grounding, where the model predicts pixel prompts in a single forward pass to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Xingqi He , Yujie Zhang , Shuyong Gao , Wenjie Li , Lingyi Hong , Mingxi Chen , Kaixun Jiang , Jiyuan Fu , Wenqiang Zhang

Diffusion-based image super-resolution (SR) methods have demonstrated remarkable performance. Recent advancements have introduced deterministic sampling processes that reduce inference from 15 iterative steps to a single step, thereby…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Zihang Liu , Zhenyu Zhang , Hao Tang

Referring video object segmentation (RVOS) aims to segment objects in a video according to textual descriptions, which requires the integration of multimodal information and temporal dynamics perception. The Segment Anything Model 2 (SAM 2)…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Fu Rong , Meng Lan , Qian Zhang , Lefei Zhang

Grain-edge segmentation (GES) and lithology semantic segmentation (LSS) are two pivotal tasks for quantifying rock fabric and composition. However, these two tasks are often treated separately, and the segmentation quality is implausible…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Yili Ren , Shiqi Wen , Li Hou , Dingwen Xiao , Weiming Zhang , Caleb Chen Cao , Lin Wang , Zilu Zheng , Qianxiao Su , Mingjun Zhao , Lei Chen

The goal of referring remote sensing image segmentation (RRSIS) is to extract specific pixel-level regions within an aerial image via a natural language expression. Recent advancements, particularly Transformer-based fusion designs, have…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Kun Li , George Vosselman , Michael Ying Yang

Remote sensing solutions for avalanche segmentation and mapping are key to supporting risk forecasting and mitigation in mountain regions. Synthetic Aperture Radar (SAR) imagery from Sentinel-1 can be effectively used for this task, but…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Riccardo Gelato , Carlo Sgaravatti , Jakob Grahn , Giacomo Boracchi , Filippo Maria Bianchi

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

Camouflaged object detection (COD) approaches heavily rely on pixel-level annotated datasets. Weakly-supervised COD (WSCOD) approaches use sparse annotations like scribbles or points to reduce annotation effort, but this can lead to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Jian Hu , Jiayi Lin , Weitong Cai , Shaogang Gong

The Segment Anything Model (SAM) excels at generating precise object masks from input prompts but lacks semantic awareness, failing to associate its generated masks with specific object categories. To address this limitation, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Rohit Kundu , Sudipta Paul , Arindam Dutta , Amit K. Roy-Chowdhury

Semantic segmentation is essential for automating remote sensing analysis in fields like ecology. However, fine-grained analysis of complex aerial or underwater imagery remains an open challenge, even for state-of-the-art models. Progress…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Cesar Borja , Carlos Plou , Ruben Martinez-Cantin , Ana C. Murillo

Multimodal Large Language Models (MLLMs) have shown exceptional capabilities in vision-language tasks. However, effectively integrating image segmentation into these models remains a significant challenge. In this work, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Mengcheng Lan , Chaofeng Chen , Jiaxing Xu , Zongrui Li , Yiping Ke , Xudong Jiang , Yingchen Yu , Yunqing Zhao , Song Bai

In clinical practice, segmenting specific lesions based on the needs of physicians can significantly enhance diagnostic accuracy and treatment efficiency. However, conventional lesion segmentation models lack the flexibility to distinguish…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Shuyi Ouyang , Jinyang Zhang , Xiangye Lin , Xilai Wang , Qingqing Chen , Yen-Wei Chen , Lanfen Lin

The recent Segment Anything Models (SAMs) have emerged as foundational visual models for general interactive segmentation. Despite demonstrating robust generalization abilities, they still suffer performance degradations in scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yuan Yao , Qiushi Yang , Miaomiao Cui , Liefeng Bo

3D Referring Expression Segmentation (3D-RES) aims to segment 3D objects by correlating referring expressions with point clouds. However, traditional approaches frequently encounter issues like over-segmentation or mis-segmentation, due to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Changli Wu , Qi Chen , Jiayi Ji , Haowei Wang , Yiwei Ma , You Huang , Gen Luo , Hao Fei , Xiaoshuai Sun , Rongrong Ji

Segmented light field images can serve as a powerful representation in many of computer vision tasks exploiting geometry and appearance of objects, such as object pose tracking. In the light field domain, segmentation presents an additional…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Nikolai Goncharov , Donald G. Dansereau

Recent segmentation methods, which adopt large-scale data training and transformer architecture, aim to create one foundation model that can perform multiple tasks. However, most of these methods rely on heavy encoder and decoder…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Shilin Xu , Haobo Yuan , Qingyu Shi , Lu Qi , Jingbo Wang , Yibo Yang , Yining Li , Kai Chen , Yunhai Tong , Bernard Ghanem , Xiangtai Li , Ming-Hsuan Yang

The rapid development of deep learning has driven significant progress in image semantic segmentation - a fundamental task in computer vision. Semantic segmentation algorithms often depend on the availability of pixel-level labels (i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Zhaozheng Chen , Qianru Sun