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The Image Difference Captioning (IDC) task aims to describe the visual differences between two similar images with natural language. The major challenges of this task lie in two aspects: 1) fine-grained visual differences that require…

Multimedia · Computer Science 2022-02-10 Linli Yao , Weiying Wang , Qin Jin

Open-world instance-level scene understanding aims to locate and recognize unseen object categories that are not present in the annotated dataset. This task is challenging because the model needs to both localize novel 3D objects and infer…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Runyu Ding , Jihan Yang , Chuhui Xue , Wenqing Zhang , Song Bai , Xiaojuan Qi

Change captioning aims to describe the difference between a pair of similar images. Its key challenge is how to learn a stable difference representation under pseudo changes caused by viewpoint change. In this paper, we address this by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Yunbin Tu , Liang Li , Li Su , Zheng-Jun Zha , Chenggang Yan , Qingming Huang

Caption quality has emerged as a critical bottleneck in training high-quality text-to-image (T2I) and text-to-video (T2V) generative models. While visual language models (VLMs) are commonly deployed to generate captions from visual data,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Varun Ananth , Baqiao Liu , Haoran Cai

Estimating 2D-3D correspondences between RGB images and 3D space is a fundamental problem in 6D object pose estimation. Recent pose estimators use dense correspondence maps and Point-to-Point algorithms to estimate object poses. The…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Peter Hönig , Stefan Thalhammer , Markus Vincze

We learn visual features by captioning images with an image-conditioned masked diffusion language model, a formulation we call masked diffusion captioning (MDC). During training, text tokens in each image-caption pair are masked at a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Chao Feng , Zihao Wei , Andrew Owens

3D human generation is an important problem with a wide range of applications in computer vision and graphics. Despite recent progress in generative AI such as diffusion models or rendering methods like Neural Radiance Fields or Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Maksym Ivashechkin , Oscar Mendez , Richard Bowden

Deep learning-based segmentation techniques have shown remarkable performance in brain segmentation, yet their success hinges on the availability of extensive labeled training data. Acquiring such vast datasets, however, poses a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jihoon Cho , Suhyun Ahn , Beomju Kim , Hyungjoon Bae , Xiaofeng Liu , Fangxu Xing , Kyungeun Lee , Georges Elfakhri , Van Wedeen , Jonghye Woo , Jinah Park

Neural captioners are typically trained to mimic human-generated references without optimizing for any specific communication goal, leading to problems such as the generation of vague captions. In this paper, we show that fine-tuning an…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Roberto Dessì , Michele Bevilacqua , Eleonora Gualdoni , Nathanael Carraz Rakotonirina , Francesca Franzon , Marco Baroni

In recent years, the field of vision-language model pre-training has experienced rapid advancements, driven primarily by the continuous enhancement of textual capabilities in large language models. However, existing training paradigms for…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xinsong Zhang , Yarong Zeng , Xinting Huang , Hu Hu , Runquan Xie , Han Hu , Zhanhui Kang

Diffusion models face significant challenges when employed for large-scale medical image reconstruction in real practice such as 3D Computed Tomography (CT). Due to the demanding memory, time, and data requirements, it is difficult to train…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Bowen Song , Jason Hu , Zhaoxu Luo , Jeffrey A. Fessler , Liyue Shen

The aim of image captioning is to generate captions by machine to describe image contents. Despite many efforts, generating discriminative captions for images remains non-trivial. Most traditional approaches imitate the language structure…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Xihui Liu , Hongsheng Li , Jing Shao , Dapeng Chen , Xiaogang Wang

For the problem of 3D object recognition, researchers using deep learning methods have developed several very different input representations, including "multi-view" snapshots taken from discrete viewpoints around an object, as well as…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Tengyu Ma , Joel Michelson , James Ainooson , Deepayan Sanyal , Xiaohan Wang , Maithilee Kunda

We present DiffHuman, a probabilistic method for photorealistic 3D human reconstruction from a single RGB image. Despite the ill-posed nature of this problem, most methods are deterministic and output a single solution, often resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Akash Sengupta , Thiemo Alldieck , Nikos Kolotouros , Enric Corona , Andrei Zanfir , Cristian Sminchisescu

Grounding natural language to the physical world is a ubiquitous topic with a wide range of applications in computer vision and robotics. Recently, 2D vision-language models such as CLIP have been widely popularized, due to their impressive…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Georgios Tziafas , Yucheng Xu , Zhibin Li , Hamidreza Kasaei

Image classification is a well-studied task in computer vision, and yet it remains challenging under high-uncertainty conditions, such as when input images are corrupted or training data are limited. Conventional classification approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Omer Belhasin , Shelly Golan , Ran El-Yaniv , Michael Elad

Addressing pose ambiguity in 6D object pose estimation from single RGB images presents a significant challenge, particularly due to object symmetries or occlusions. In response, we introduce a novel score-based diffusion method applied to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Tsu-Ching Hsiao , Hao-Wei Chen , Hsuan-Kung Yang , Chun-Yi Lee

In recent years, 3D vision has become a crucial field within computer vision, powering a wide range of applications such as autonomous driving, robotics, augmented reality, and medical imaging. This field relies on accurate perception,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Zhen Wang , Dongyuan Li , Yaozu Wu , Tianyu He , Jiang Bian , Renhe Jiang

Recent advancements in 3D content generation from text or a single image struggle with limited high-quality 3D datasets and inconsistency from 2D multi-view generation. We introduce DiffSplat, a novel 3D generative framework that natively…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Chenguo Lin , Panwang Pan , Bangbang Yang , Zeming Li , Yadong Mu

The training of controllable text-to-video (T2V) models relies heavily on the alignment between videos and captions, yet little existing research connects video caption evaluation with T2V generation assessment. This paper introduces…

Artificial Intelligence · Computer Science 2025-05-20 Xinlong Chen , Yuanxing Zhang , Chongling Rao , Yushuo Guan , Jiaheng Liu , Fuzheng Zhang , Chengru Song , Qiang Liu , Di Zhang , Tieniu Tan