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At the heart of all automated driving systems is the ability to sense the surroundings, e.g., through semantic segmentation of LiDAR sequences, which experienced a remarkable progress due to the release of large datasets such as…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Kunyu Peng , Juncong Fei , Kailun Yang , Alina Roitberg , Jiaming Zhang , Frank Bieder , Philipp Heidenreich , Christoph Stiller , Rainer Stiefelhagen

Segment Anything (SAM) provides an unprecedented foundation for human segmentation, but may struggle under occlusion, where keypoints may be partially or fully invisible. We adapt SAM 2.1 for pose-guided segmentation with minimal encoder…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Constantin Kolomiiets , Miroslav Purkrabek , Jiri Matas

Due to the lack of extensive precisely-annotated multi-label data in real word, semi-supervised multi-label learning (SSMLL) has gradually gained attention. Abundant knowledge embedded in vision-language models (VLMs) pre-trained on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Heng-Bo Fan , Ming-Kun Xie , Jia-Hao Xiao , Sheng-Jun Huang

Intra-class variations in the open world lead to various challenges in classification tasks. To overcome these challenges, fine-grained classification was introduced, and many approaches were proposed. Some rely on locating and using…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Salwa Al Khatib , Mohamed El Amine Boudjoghra , Jameel Hassan

Class-agnostic counting (CAC) has numerous potential applications across various domains. The goal is to count objects of an arbitrary category during testing, based on only a few annotated exemplars. In this paper, we point out that the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Jingyi Xu , Hieu Le , Dimitris Samaras

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

Camouflaged object detection (COD) from a single image is a challenging task due to the high similarity between objects and their surroundings. Existing fully supervised methods require labor-intensive pixel-level annotations, making weakly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xia Li , Xinran Liu , Lin Qi , Junyu Dong

Even though convolutional neural networks (CNNs) are driving progress in medical image segmentation, standard models still have some drawbacks. First, the use of multi-scale approaches, i.e., encoder-decoder architectures, leads to a…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Ashish Sinha , Jose Dolz

Extracting class activation maps (CAM) is a key step for weakly-supervised semantic segmentation (WSSS). The CAM of convolution neural networks fails to capture long-range feature dependency on the image and result in the coverage on only…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Jianqiang Huang , Jian Wang , Qianru Sun , Hanwang Zhang

Fine-grained image classification is to recognize hundreds of subcategories belonging to the same basic-level category, such as 200 subcategories belonging to the bird, which is highly challenging due to large variance in the same…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Yuxin Peng , Xiangteng He , Junjie Zhao

Unlike images or videos data which can be easily labeled by human being, sensor data annotation is a time-consuming process. However, traditional methods of human activity recognition require a large amount of such strictly labeled data for…

Machine Learning · Computer Science 2019-07-02 Kun Wang , Jun He , Lei Zhang

Category-Agnostic Pose Estimation (CAPE) aims to localize keypoints on an object of any category given few exemplars in an in-context manner. Prior arts involve sophisticated designs, e.g., sundry modules for similarity calculation and a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Yujia Liang , Zixuan Ye , Wenze Liu , Hao Lu

Building a large image dataset with high-quality object masks for semantic segmentation is costly and time consuming. In this paper, we introduce a principled semi-supervised framework that only uses a small set of fully supervised images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Mostafa S. Ibrahim , Arash Vahdat , Mani Ranjbar , William G. Macready

In the realm of image synthesis, achieving fidelity to a reference image while adhering to conditional prompts remains a significant challenge. This paper proposes a novel approach that integrates a diffusion model with latent space…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Kshitij Pathania

Subjective visual interpretation is a challenging yet important topic in computer vision. Many approaches reduce this problem to the prediction of adjective- or attribute-labels from images. However, most of these do not take attribute…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Tushar Karayil , Philipp Blandfort , Jörn Hees , Andreas Dengel

Recent advances in deep learning have enabled the development of automated frameworks for analysing medical images and signals, including analysis of cervical cancer. Many previous works focus on the analysis of isolated cervical cells, or…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Ruiqi Wang , Mohammad Ali Armin , Simon Denman , Lars Petersson , David Ahmedt-Aristizabal

In this work, we tackle the challenging problem of category-level object pose and size estimation from a single depth image. Although previous fully-supervised works have demonstrated promising performance, collecting ground-truth pose…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Yisheng He , Haoqiang Fan , Haibin Huang , Qifeng Chen , Jian Sun

Humans are very good at directing their visual attention toward relevant areas when they search for different types of objects. For instance, when we search for cars, we will look at the streets, not at the top of buildings. The motivation…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Maguelonne Héritier

Sequential recommendation systems that model dynamic preferences based on a use's past behavior are crucial to e-commerce. Recent studies on these systems have considered various types of information such as images and texts. However,…

Information Retrieval · Computer Science 2024-05-29 Hyungtaik Oh , Wonkeun Jo , Dongil Kim

Localizing object parts precisely is essential for tasks such as object recognition and robotic manipulation. Recent part segmentation methods require extensive training data and labor-intensive annotations. Segment-Anything Model (SAM) has…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 S. B. van Rooij , G. J. Burghouts