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With the rapid growth of video data on the internet, video summarization is becoming a very important AI technology. However, due to the high labelling cost of video summarization, existing studies have to be conducted on small-scale…

Multimedia · Computer Science 2026-01-13 Cairong Zhao , Chutian Wang , Zifan Song , Guosheng Hu , Haonan Chen , Xiaofan Zhai

Learning to localize and name object instances is a fundamental problem in vision, but state-of-the-art approaches rely on expensive bounding box supervision. While weakly supervised detection (WSOD) methods relax the need for boxes to that…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Keren Ye , Mingda Zhang , Adriana Kovashka , Wei Li , Danfeng Qin , Jesse Berent

Many top-performing image captioning models rely solely on object features computed with an object detection model to generate image descriptions. However, recent studies propose to directly use scene graphs to introduce information about…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Victor Milewski , Marie-Francine Moens , Iacer Calixto

Automatically translating images to texts involves image scene understanding and language modeling. In this paper, we propose a novel model, termed RefineCap, that refines the output vocabulary of the language decoder using decoder-guided…

Computation and Language · Computer Science 2021-09-09 Yekun Chai , Shuo Jin , Junliang Xing

In recent years, advanced research has focused on the direct learning and analysis of remote sensing images using natural language processing (NLP) techniques. The ability to accurately describe changes occurring in multi-temporal remote…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Shizhen Chang , Pedram Ghamisi

Most deep learning approaches to comprehensive semantic modeling of 3D indoor spaces require costly dense annotations in the 3D domain. In this work, we explore a central 3D scene modeling task, namely, semantic scene reconstruction without…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Junwen Huang , Alexey Artemov , Yujin Chen , Shuaifeng Zhi , Kai Xu , Matthias Nießner

Traditional 3D scene understanding approaches rely on labeled 3D datasets to train a model for a single task with supervision. We propose OpenScene, an alternative approach where a model predicts dense features for 3D scene points that are…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Songyou Peng , Kyle Genova , Chiyu "Max" Jiang , Andrea Tagliasacchi , Marc Pollefeys , Thomas Funkhouser

3D object detection using LiDAR point clouds is a fundamental task in the fields of computer vision, robotics, and autonomous driving. However, existing 3D detectors heavily rely on annotated datasets, which are both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Yiming Shan , Yan Xia , Yuhong Chen , Daniel Cremers

Image captioning systems often produce generic descriptions that fail to capture event-level semantics which are crucial for applications like news reporting and digital archiving. We present ReCap, a novel pipeline for event-enriched image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Thinh-Phuc Nguyen , Thanh-Hai Nguyen , Gia-Huy Dinh , Lam-Huy Nguyen , Minh-Triet Tran , Trung-Nghia Le

Deep neural network models have achieved remarkable progress in 3D scene understanding while trained in the closed-set setting and with full labels. However, the major bottleneck is that these models do not have the capacity to recognize…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Kangcheng Liu , Yong-Jin Liu , Baoquan Chen

LiDAR-based place recognition is an essential and challenging task both in loop closure detection and global relocalization. We propose Deep Scan Context (DSC), a general and discriminative global descriptor that captures the relationship…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Jiafeng Cui , Tengfei Huang , Yingfeng Cai , Junqiao Zhao , Lu Xiong , Zhuoping Yu

We present Scan2CAD, a novel data-driven method that learns to align clean 3D CAD models from a shape database to the noisy and incomplete geometry of a commodity RGB-D scan. For a 3D reconstruction of an indoor scene, our method takes as…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Armen Avetisyan , Manuel Dahnert , Angela Dai , Manolis Savva , Angel X. Chang , Matthias Nießner

We present an approach for recognizing all objects in a scene and estimating their full pose from an accurate 3D instance-aware semantic reconstruction using an RGB-D camera. Our framework couples convolutional neural networks (CNNs) and a…

Robotics · Computer Science 2019-10-01 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

Existing deep learning-based 3D object detectors typically rely on the appearance of individual objects and do not explicitly pay attention to the rich contextual information of the scene. In this work, we propose Contextualized Multi-Stage…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Dhanalaxmi Gaddam , Jean Lahoud , Fahad Shahbaz Khan , Rao Muhammad Anwer , Hisham Cholakkal

Image captioning is the process of automatically generating a description of an image in natural language. Image captioning is one of the significant challenges in image understanding since it requires not only recognizing salient objects…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Ghadah Alabduljabbar , Hafida Benhidour , Said Kerrache

Place recognition gives a SLAM system the ability to correct cumulative errors. Unlike images that contain rich texture features, point clouds are almost pure geometric information which makes place recognition based on point clouds…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Lin Li , Xin Kong , Xiangrui Zhao , Tianxin Huang , Yong Liu

This work addresses the task of open world semantic segmentation using RGBD sensing to discover new semantic classes over time. Although there are many types of objects in the real-word, current semantic segmentation methods make a closed…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Yoshikatsu Nakajima , Byeongkeun Kang , Hideo Saito , Kris Kitani

Perceiving a three-dimensional (3D) scene with multiple objects while moving indoors is essential for vision-based mobile cobots, especially for enhancing their manipulation tasks. In this work, we present an end-to-end pipeline with…

Robotics · Computer Science 2024-02-20 K. Nguyen , T. Dang , M. Huber

While there has been significant progress in solving the problems of image pixel labeling, object detection and scene classification, existing approaches normally address them separately. In this paper, we propose to tackle these problems…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Carlos Herranz-Perdiguero , Carolina Redondo-Cabrera , Roberto J. López-Sastre

Deep convolutional neural networks (CNNs) have shown a strong ability in mining discriminative object pose and parts information for image recognition. For fine-grained recognition, context-aware rich feature representation of object/scene…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Ardhendu Behera , Zachary Wharton , Pradeep Hewage , Asish Bera