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We introduce MOD-CL, a multi-label object detection framework that utilizes constrained loss in the training process to produce outputs that better satisfy the given requirements. In this paper, we use $\mathrm{MOD_{YOLO}}$, a multi-label…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Sota Moriyama , Koji Watanabe , Katsumi Inoue , Akihiro Takemura

Drone-based target detection presents inherent challenges, such as the high density and overlap of targets in drone-based images, as well as the blurriness of targets under varying lighting conditions, which complicates identification.…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Yuchen Zheng , Yuxin Jing , Jufeng Zhao , Guangmang Cui

Despite great progress in object detection, most existing methods work only on a limited set of object categories, due to the tremendous human effort needed for bounding-box annotations of training data. To alleviate the problem, recent…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Mingfei Gao , Chen Xing , Juan Carlos Niebles , Junnan Li , Ran Xu , Wenhao Liu , Caiming Xiong

This paper presents resource-aware algorithms for distributed inter-robot loop closure detection for applications such as collaborative simultaneous localization and mapping (CSLAM) and distributed image retrieval. In real-world scenarios,…

机器人学 · 计算机科学 2019-07-12 Yulun Tian , Kasra Khosoussi , Jonathan P. How

Occlusion handling is one of the challenges of object detection and segmentation, and scene understanding. Because objects appear differently when they are occluded in varying degree, angle, and locations. Therefore, determining the…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Kaziwa Saleh , Zoltan Vamossy

Document understanding aims to perform question answering and information extraction over document images, where the visual content is highly information-dense and most queries rely on only a few relevant layout regions. However, existing…

人工智能 · 计算机科学 2026-05-27 Ye Mo , Kai Ye , Xianwei Mao , Zirui Shao , Gang Huang , Bo Zhang , Hangdi Xing , Kehan Chen , Huan Zhou , Zixu Yan , Jiajun Bu , Sheng Zhou

Utilizing large language models (LLMs) to compose off-the-shelf visual tools represents a promising avenue of research for developing robust visual assistants capable of addressing diverse visual tasks. However, these methods often overlook…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Zhi Gao , Yuntao Du , Xintong Zhang , Xiaojian Ma , Wenjuan Han , Song-Chun Zhu , Qing Li

In this paper, we present a new fault diagnosis (FD) -based approach for detection of imagery changes that can detect significant changes as inconsistencies between different sub-modules (e.g., self-localizaiton) of visual SLAM. Unlike…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Sugimoto Takuma , Yamaguchi Kousuke , Tanaka Kanji

Robust efficient loop closure detection is essential for large-scale real-time SLAM. In this paper, we propose a novel unsupervised deep neural network architecture of a feature embedding for visual loop closure that is both reliable and…

机器人学 · 计算机科学 2018-05-28 Nate Merrill , Guoquan Huang

One popular approach to interactively segment the foreground object of interest from an image is to annotate a bounding box that covers the foreground object. Then, a binary labeling is performed to achieve a refined segmentation. One major…

计算机视觉与模式识别 · 计算机科学 2015-11-24 Hongkai Yu , Youjie Zhou , Hui Qian , Min Xian , Yuewei Lin , Dazhou Guo , Kang Zheng , Kareem Abdelfatah , Song Wang

In this paper, a global descriptor for a LiDAR point cloud, called LiDAR Iris, is proposed for fast and accurate loop-closure detection. A binary signature image can be obtained for each point cloud after several LoG-Gabor filtering and…

机器人学 · 计算机科学 2020-07-03 Ying Wang , Zezhou Sun , Cheng-Zhong Xu , Sanjay Sarma , Jian Yang , Hui Kong

Existing open-vocabulary object detection (OVD) develops methods for testing unseen categories by aligning object region embeddings with corresponding VLM features. A recent study leverages the idea that VLMs implicitly learn compositional…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Hojun Choi , Junsuk Choe , Hyunjung Shim

The introduction of embedding techniques has pushed forward significantly the Natural Language Processing field. Many of the proposed solutions have been presented for word-level encoding; anyhow, in the last years, new mechanism to treat…

计算与语言 · 计算机科学 2023-04-07 Matteo Muffo , Roberto Tedesco , Licia Sbattella , Vincenzo Scotti

Traditional object detection models are constrained by the limitations of closed-set datasets, detecting only categories encountered during training. While multimodal models have extended category recognition by aligning text and image…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Lihao Liu , Juexiao Feng , Hui Chen , Ao Wang , Lin Song , Jungong Han , Guiguang Ding

Open-vocabulary object detection (OVD) aims to recognize and localize object categories beyond the training set. Recent approaches leverage vision-language models to generate pseudo-labels using image-text alignment, allowing detectors to…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Hojun Choi , Youngsun Lim , Jaeyo Shin , Hyunjung Shim

Map retrieval, the problem of similarity search over a large collection of 2D pointset maps previously built by mobile robots, is crucial for autonomous navigation in indoor and outdoor environments. Bag-of-words (BoW) methods constitute a…

计算机视觉与模式识别 · 计算机科学 2015-09-28 Enfu Liu , Kanji Tanaka

We present a novel algorithm specially designed for loop detection and registration that utilizes Lidar-based perception. Our approach to loop detection involves voxelizing point clouds, followed by an overlap calculation to confirm whether…

机器人学 · 计算机科学 2023-07-18 Jing Liang , Sanghyun Son , Ming Lin , Dinesh Manocha

In-loop filtering (ILF) is a key technology for removing the artifacts in image/video coding standards. Recently, neural network-based in-loop filtering methods achieve remarkable coding gains beyond the capability of advanced video coding…

图像与视频处理 · 电气工程与系统科学 2024-09-12 Zhuoyuan Li , Jiacheng Li , Yao Li , Li Li , Dong Liu , Feng Wu

Despite the longstanding adage "an image is worth a thousand words," generating accurate hyper-detailed image descriptions remains unsolved. Trained on short web-scraped image text, vision-language models often generate incomplete…

Word embedding models learn semantically rich vector representations of words and are widely used to initialize natural processing language (NLP) models. The popular continuous bag-of-words (CBOW) model of word2vec learns a vector embedding…

计算与语言 · 计算机科学 2020-06-02 Shashank Sonkar , Andrew E. Waters , Richard G. Baraniuk