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Weakly Supervised Object Detection (WSOD) with only image-level annotation has recently attracted wide attention. Many existing methods ignore the inter-image relationship of instances which share similar characteristics while can certainly…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Yu Zhang , Chuang Zhu , Guoqing Yang , Siqi Chen

Remote sensing (RS) change detection is essential for interpreting surface dynamics. Semantic change detection (SCD) further enables pixel-level understanding of multi-class transitions, yet remains sensitive to pseudo-changes induced by…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Hengtong Shen , Li Yan , Hong Xie , Yaxuan Wei , Xinhao Li , Wenfei Shen , Peixian Lv , Fei Tan

Weakly Supervised Semantic Segmentation (WSSS) with image-level labels typically leverages Class Activation Maps (CAMs) to achieve pixel-level predictions. Recently, Contrastive Language-Image Pre-training (CLIP) has been introduced to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Zhiwei Yang , Pengfei Song , Yucong Meng , Kexue Fu , Shuo Wang , Zhijian Song

Deep learning has shown remarkable success in remote sensing change detection (CD), aiming to identify semantic change regions between co-registered satellite image pairs acquired at distinct time stamps. However, existing convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal , Salman Khan , Fahad Shahbaz Khan

While current state-of-the-art Scene Change Detection (SCD) approaches achieve impressive results in well-trained research data, they become unreliable under unseen environments and different temporal conditions; in-domain performance drops…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Jaewoo Kim , Uehwan Kim

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

Speaker Change Detection (SCD) is to identify boundaries among speakers in a conversation. Motivated by the success of fine-tuning wav2vec 2.0 models for the SCD task, a further investigation of self-supervised learning (SSL) features for…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Yue Li , Xinsheng Wang , Li Zhang , Lei Xie

Weakly supervised semantic segmentation (WSSS) trains dense pixel-level segmentation models from partial or coarse annotations such as bounding boxes, scribbles, or image-level tags. While recent work leverages foundation models such as the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Stefano Colamonaco , Andrei-Bogdan Florea , Jaron Maene

Weakly Supervised Monitoring Anomaly Detection (WSMAD) utilizes weak supervision learning to identify anomalies, a critical task for smart city monitoring. However, existing multimodal approaches often fail to meet the real-time and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Wen-Dong Jiang , Chih-Yung Chang , Hsiang-Chuan Chang , Ji-Yuan Chen , Diptendu Sinha Roy

Current state-of-the-art methods for object detection rely on annotated bounding boxes of large data sets for training. However, obtaining such annotations is expensive and can require up to hundreds of hours of manual labor. This poses a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Hannah Kniesel , Leon Sick , Tristan Payer , Tim Bergner , Kavitha Shaga Devan , Clarissa Read , Paul Walther , Timo Ropinski

Remote sensing change detection is crucial for understanding the dynamics of our planet's surface, facilitating the monitoring of environmental changes, evaluating human impact, predicting future trends, and supporting decision-making. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Wele Gedara Chaminda Bandara , Nithin Gopalakrishnan Nair , Vishal M. Patel

Scene change detection (SCD) is crucial for urban monitoring and navigation but remains challenging in real-world environments due to lighting variations, seasonal shifts, viewpoint differences, and complex urban layouts. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Diwei Sheng , Vijayraj Gohil , Satyam Gaba , Zihan Liu , Giles Hamilton-Fletcher , John-Ross Rizzo , Yongqing Liang , Chen Feng

Transcription-only Supervised Text Spotting aims to learn text spotters relying only on transcriptions but no text boundaries for supervision, thus eliminating expensive boundary annotation. The crux of this task lies in locating each…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Jingjing Wu , Zhengyao Fang , Pengyuan Lyu , Chengquan Zhang , Fanglin Chen , Guangming Lu , Wenjie Pei

Weakly-Supervised Semantic Segmentation (WSSS) aims to train segmentation models by weak labels, which is receiving significant attention due to its low annotation cost. Existing approaches focus on generating pseudo labels for supervision…

Image and Video Processing · Electrical Eng. & Systems 2024-03-21 Linshan Wu , Zhun Zhong , Jiayi Ma , Yunchao Wei , Hao Chen , Leyuan Fang , Shutao Li

This paper presents a detection-aware pre-training (DAP) approach, which leverages only weakly-labeled classification-style datasets (e.g., ImageNet) for pre-training, but is specifically tailored to benefit object detection tasks. In…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Yuanyi Zhong , Jianfeng Wang , Lijuan Wang , Jian Peng , Yu-Xiong Wang , Lei Zhang

Pixel-level annotations are expensive and time consuming to obtain. Hence, weak supervision using only image tags could have a significant impact in semantic segmentation. Recently, CNN-based methods have proposed to fine-tune pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2016-09-05 Fatemehsadat Saleh , Mohammad Sadegh Ali Akbarian , Mathieu Salzmann , Lars Petersson , Stephen Gould , Jose M. Alvarez

In this work, we address the challenge of Scene Change Detection (SCD), where the goal is to identify variations between two images of the same location captured at different times. Existing SCD models often overlook the varying importance…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Jiae Yoon , Ue-Hwan Kim

Weakly-supervised learning under image-level labels supervision has been widely applied to semantic segmentation of medical lesions regions. However, 1) most existing models rely on effective constraints to explore the internal…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Jiahua Dong , Yang Cong , Gan Sun , Dongdong Hou

Light detection and ranging (LiDAR) remote sensing encompasses two major directions: data interpretation and parameter inversion. However, both directions rely heavily on costly and labor-intensive labeled data and field measurements, which…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yuan Gao , Shaobo Xia , Pu Wang , Xiaohuan Xi , Sheng Nie , Cheng Wang

State-of-the-art approaches to infer dense depth measurements from images rely on CNNs trained end-to-end on a vast amount of data. However, these approaches suffer a drastic drop in accuracy when dealing with environments much different in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Alessio Tonioni , Matteo Poggi , Stefano Mattoccia , Luigi Di Stefano