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Related papers: View Selection for 3D Captioning via Diffusion Ran…

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We present 3DiffTection, a state-of-the-art method for 3D object detection from single images, leveraging features from a 3D-aware diffusion model. Annotating large-scale image data for 3D detection is resource-intensive and time-consuming.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Chenfeng Xu , Huan Ling , Sanja Fidler , Or Litany

3D object detection is a fundamental task in scene understanding. Numerous research efforts have been dedicated to better incorporate Hough voting into the 3D object detection pipeline. However, due to the noisy, cluttered, and partial…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Haoran Hou , Mingtao Feng , Zijie Wu , Weisheng Dong , Qing Zhu , Yaonan Wang , Ajmal Mian

Diffusion models are generative models with impressive text-to-image synthesis capabilities and have spurred a new wave of creative methods for classical machine learning tasks. However, the best way to harness the perceptual knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Neehar Kondapaneni , Markus Marks , Manuel Knott , Rogerio Guimaraes , Pietro Perona

While current visual captioning models have achieved impressive performance, they often assume that the image is well-captured and provides a complete view of the scene. In real-world scenarios, however, a single image may not offer a good…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Anwen Hu , Shizhe Chen , Liang Zhang , Qin Jin

Dense captioning in 3D point clouds is an emerging vision-and-language task involving object-level 3D scene understanding. Apart from coarse semantic class prediction and bounding box regression as in traditional 3D object detection, 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Heng Wang , Chaoyi Zhang , Jianhui Yu , Weidong Cai

Recent text-guided generation of individual 3D object has achieved great success using diffusion priors. However, these methods are not suitable for object insertion and replacement tasks as they do not consider the background, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Hanyuan Xiao , Yingshu Chen , Huajian Huang , Haolin Xiong , Jing Yang , Pratusha Prasad , Yajie Zhao

Semi-supervised object detection is crucial for 3D scene understanding, efficiently addressing the limitation of acquiring large-scale 3D bounding box annotations. Existing methods typically employ a teacher-student framework with…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Cheng-Ju Ho , Chen-Hsuan Tai , Yen-Yu Lin , Ming-Hsuan Yang , Yi-Hsuan Tsai

We propose a novel task, hallucination localization in video captioning, which aims to identify hallucinations in video captions at the span level (i.e. individual words or phrases). This allows for a more detailed analysis of…

Multimedia · Computer Science 2025-10-30 Shota Nakada , Kazuhiro Saito , Yuchi Ishikawa , Hokuto Munakata , Tatsuya Komatsu , Masayoshi Kondo

Although large vision-language models (LVLMs) have demonstrated remarkable capabilities, they are prone to hallucinations in multi-image tasks. We attribute this issue to limitations in existing attention mechanisms and insufficient…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Xiaochen Yang , Hao Fang , Jiawei Kong , Yaoxin Mao , Bin Chen , Shu-Tao Xia

We tackle the task of reconstructing hand-object interactions from short video clips. Given an input video, our approach casts 3D inference as a per-video optimization and recovers a neural 3D representation of the object shape, as well as…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Yufei Ye , Poorvi Hebbar , Abhinav Gupta , Shubham Tulsiani

While 2D diffusion models have achieved remarkable success in identity-preserving personalization, extending this capability to 3D assets remains a significant challenge due to the complexities of multi-view consistency and spatial control.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jinxin Ai , Matthias Nießner , Ziya Erkoç

We present a novel method for 3D scene editing using diffusion models, designed to ensure view consistency and realism across perspectives. Our approach leverages attention features extracted from a single reference image to define the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Eyal Gomel , Lior Wolf

Visual recognition in a low-data regime is challenging and often prone to overfitting. To mitigate this issue, several data augmentation strategies have been proposed. However, standard transformations, e.g., rotation, cropping, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Aniket Roy , Anshul Shah , Ketul Shah , Anirban Roy , Rama Chellappa

We propose a new view synthesis method via synthesizing a 3D neural field from both single or few-view input images. To address the ill-posed nature of the image-to-3D generation problem, we devise a two-stage method that involves a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Tung Do , Thuan Hoang Nguyen , Anh Tuan Tran , Rang Nguyen , Binh-Son Hua

Compared with the visual grounding on 2D images, the natural-language-guided 3D object localization on point clouds is more challenging. In this paper, we propose a new model, named InstanceRefer, to achieve a superior 3D visual grounding…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Zhihao Yuan , Xu Yan , Yinghong Liao , Ruimao Zhang , Sheng Wang , Zhen Li , Shuguang Cui

Explaining an image with missing or non-existent objects is known as object bias (hallucination) in image captioning. This behaviour is quite common in the state-of-the-art captioning models which is not desirable by humans. To decrease the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Ali Furkan Biten , Lluis Gomez , Dimosthenis Karatzas

Generating text descriptions of objects in 3D indoor scenes is an important building block of embodied understanding. Existing methods do this by describing objects at a single level of detail, which often does not capture fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Chandan Yeshwanth , David Rozenberszki , Angela Dai

Long-form image captioning exposes a reward granularity problem in RL: captions are judged as whole sequences, while the important errors occur at the level of individual visual claims. A good dense caption should be both faithful and…

Machine Learning · Computer Science 2026-05-26 Tianle Li , Xuyang Shen , Yan Ma , Rongxin Guo , Shaoxiang Chen , Jiacheng Chen , Haochen Wang , Hongyang Tang , Yucong Zhou , Yu Cheng

Image Captioning is a task that combines computer vision and natural language processing, where it aims to generate descriptive legends for images. It is a two-fold process relying on accurate image understanding and correct language…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Ahmed Elhagry , Karima Kadaoui

Classifiers are important components in many computer vision tasks, serving as the foundational backbone of a wide variety of models employed across diverse applications. However, understanding the decision-making process of classifiers…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Tahira Kazimi , Ritika Allada , Pinar Yanardag