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Image captioning is a challenging task and attracting more and more attention in the field of Artificial Intelligence, and which can be applied to efficient image retrieval, intelligent blind guidance and human-computer interaction, etc. In…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Yiyu Wang , Jungang Xu , Yingfei Sun , Ben He

The 3D localisation of an object and the estimation of its properties, such as shape and dimensions, are challenging under varying degrees of transparency and lighting conditions. In this paper, we propose a method for jointly localising…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Alessio Xompero , Ricardo Sanchez-Matilla , Apostolos Modas , Pascal Frossard , Andrea Cavallaro

Accurately assessing image complexity (IC) is critical for computer vision, yet most existing methods rely solely on visual features and often neglect high-level semantic information, limiting their accuracy and generalization. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Shipeng Liu , Zhonglin Zhang , Dengfeng Chen , Liang Zhao

Image captioning is a fast-growing research field of computer vision and natural language processing that involves creating text explanations for images. This study aims to develop a system that uses a pre-trained convolutional neural…

Computation and Language · Computer Science 2022-03-04 Rashid Khan , M Shujah Islam , Khadija Kanwal , Mansoor Iqbal , Md. Imran Hossain , Zhongfu Ye

Scene graphs are a compact and explicit representation successfully used in a variety of 2D scene understanding tasks. This work proposes a method to incrementally build up semantic scene graphs from a 3D environment given a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shun-Cheng Wu , Johanna Wald , Keisuke Tateno , Nassir Navab , Federico Tombari

With recent innovations in dense image captioning, it is now possible to describe every object of the scene with a caption while objects are determined by bounding boxes. However, interpretation of such an output is not trivial due to the…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Ali Sharifi Boroujerdi , Maryam Khanian , Michael Breuss

Localizing objects in 3D scenes according to the semantics of a given natural language is a fundamental yet important task in the field of multimedia understanding, which benefits various real-world applications such as robotics and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Wencan Huang , Daizong Liu , Wei Hu

Dense video captioning is an extremely challenging task since accurate and coherent description of events in a video requires holistic understanding of video contents as well as contextual reasoning of individual events. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jonghwan Mun , Linjie Yang , Zhou Ren , Ning Xu , Bohyung Han

We address the problem of jointly learning vision and language to understand the object in a fine-grained manner. The key idea of our approach is the use of object descriptions to provide the detailed understanding of an object. Based on…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Anh Nguyen , Thanh-Toan Do , Ian Reid , Darwin G. Caldwell , Nikos G. Tsagarakis

Recent advancements in 3D Gaussian Splatting(3DGS) have significantly improved semantic scene understanding, enabling natural language queries to localize objects within a scene. However, existing methods primarily focus on embedding…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Xihan Wang , Dianyi Yang , Yu Gao , Yufeng Yue , Yi Yang , Mengyin Fu

The spatial attention is a straightforward approach to enhance the performance for remote sensing image captioning. However, conventional spatial attention approaches consider only the attention distribution on one fixed coarse grid,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Chengze Wang , Zhiyu Jiang , Yuan Yuan

Text-based image captioning (TextCap) which aims to read and reason images with texts is crucial for a machine to understand a detailed and complex scene environment, considering that texts are omnipresent in daily life. This task, however,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Guanghui Xu , Shuaicheng Niu , Mingkui Tan , Yucheng Luo , Qing Du , Qi Wu

We introduce ScanComplete, a novel data-driven approach for taking an incomplete 3D scan of a scene as input and predicting a complete 3D model along with per-voxel semantic labels. The key contribution of our method is its ability to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Angela Dai , Daniel Ritchie , Martin Bokeloh , Scott Reed , Jürgen Sturm , Matthias Nießner

Training models to apply linguistic knowledge and visual concepts from 2D images to 3D world understanding is a promising direction that researchers have only recently started to explore. In this work, we design a novel 3D pre-training…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Maria Parelli , Alexandros Delitzas , Nikolas Hars , Georgios Vlassis , Sotirios Anagnostidis , Gregor Bachmann , Thomas Hofmann

Remote sensing change captioning (RSICC) aims to describe changes between bitemporal images in natural language. Existing methods often fail under challenges like illumination differences, viewpoint changes, blur effects, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Ali Can Karaca , M. Enes Ozelbas , Saadettin Berber , Orkhan Karimli , Turabi Yildirim , M. Fatih Amasyali

Camera-based 3D semantic scene completion (SSC) plays a crucial role in autonomous driving, enabling voxelized 3D scene understanding for effective scene perception and decision-making. Existing SSC methods have shown efficacy in improving…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Zhiwen Yang , Yuxin Peng

Open-vocabulary 3D scene understanding presents a significant challenge in computer vision, with wide-ranging applications in embodied agents and augmented reality systems. Existing methods adopt neurel rendering methods as 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Jun Guo , Xiaojian Ma , Yue Fan , Huaping Liu , Qing Li

In current multimodal tasks, models typically freeze the encoder and decoder while adapting intermediate layers to task-specific goals, such as region captioning. Region-level visual understanding presents significant challenges for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Yuan Sun , Zhao Zhang , Jorge Ortiz

Recent retrieval-augmented image captioning methods incorporate external knowledge to compensate for the limitations in comprehending complex scenes. However, current approaches face challenges in relation modeling: (1) the representation…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Xiaosheng Long , Hanyu Wang , Zhentao Song , Kun Luo , Hongde Liu

Given two consecutive RGB-D images, we propose a model that estimates a dense 3D motion field, also known as scene flow. We take advantage of the fact that in robot manipulation scenarios, scenes often consist of a set of rigidly moving…

Robotics · Computer Science 2018-07-25 Lin Shao , Parth Shah , Vikranth Dwaracherla , Jeannette Bohg