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Related papers: 3DPPE: 3D Point Positional Encoding for Multi-Came…

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Positional encoding plays a crucial role in transformers, significantly impacting model performance and length generalization. Prior research has introduced absolute positional encoding (APE) and relative positional encoding (RPE) to…

Computation and Language · Computer Science 2024-11-06 Chuanyang Zheng , Yihang Gao , Han Shi , Minbin Huang , Jingyao Li , Jing Xiong , Xiaozhe Ren , Michael Ng , Xin Jiang , Zhenguo Li , Yu Li

Shape completion, a crucial task in 3D computer vision, involves predicting and filling the missing regions of scanned or partially observed objects. Current methods expect known pose or canonical coordinates and do not perform well under…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Burak Bekci , Nassir Navab , Federico Tombari , Mahdi Saleh

To achieve accurate 3D object detection at a low cost for autonomous driving, many multi-camera methods have been proposed and solved the occlusion problem of monocular approaches. However, due to the lack of accurate estimated depth,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Ching-Yu Tseng , Yi-Rong Chen , Hsin-Ying Lee , Tsung-Han Wu , Wen-Chin Chen , Winston H. Hsu

In this paper, we study the representation of the shape and pose of objects using their keypoints. Therefore, we propose an end-to-end method that simultaneously detects 2D keypoints from an image and lifts them to 3D. The proposed method…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Yigit Baran Can , Alexander Liniger , Danda Pani Paudel , Luc Van Gool

Mask-based lensless cameras offer a novel design for imaging systems by replacing the lens in a conventional camera with a layer of coded mask. Each pixel of the lensless camera encodes the information of the entire 3D scene. Existing…

Image and Video Processing · Electrical Eng. & Systems 2022-12-23 Yucheng Zheng , M. Salman Asif

In pose estimation for seen objects, a prevalent pipeline involves using neural networks to predict dense 3D coordinates of the object surface on 2D images, which are then used to establish dense 2D-3D correspondences. However, current…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Yulin Wang , Mengting Hu , Hongli Li , Chen Luo

The problem of identifying the 3D pose of a known object from a given 2D image has important applications in Computer Vision. Our proposed method of registering a 3D model of a known object on a given 2D photo of the object has numerous…

Computer Vision and Pattern Recognition · Computer Science 2013-12-02 Srimal Jayawardena , Marcus Hutter , Nathan Brewer

Estimating the 2D human poses in each view is typically the first step in calibrated multi-view 3D pose estimation. But the performance of 2D pose detectors suffers from challenging situations such as occlusions and oblique viewing angles.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Haoyu Ma , Liangjian Chen , Deying Kong , Zhe Wang , Xingwei Liu , Hao Tang , Xiangyi Yan , Yusheng Xie , Shih-Yao Lin , Xiaohui Xie

Attentional mechanisms are order-invariant. Positional encoding is a crucial component to allow attention-based deep model architectures such as Transformer to address sequences or images where the position of information matters. In this…

Machine Learning · Computer Science 2021-11-10 Yang Li , Si Si , Gang Li , Cho-Jui Hsieh , Samy Bengio

3D object detection using LiDAR data is an indispensable component for autonomous driving systems. Yet, only a few LiDAR-based 3D object detection methods leverage segmentation information to further guide the detection process. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Hamidreza Fazlali , Yixuan Xu , Yuan Ren , Bingbing Liu

As demand for robotics manipulation application increases, accurate vision-based 6D pose estimation becomes essential for autonomous operations. Convolutional Neural Networks (CNNs) based approaches for pose estimation have been previously…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Mahmoud Abdulsalam , Nabil Aouf

Tables are ubiquitous across various domains for concisely representing structured information. Empowering large language models (LLMs) to reason over tabular data represents an actively explored direction. However, since typical LLMs only…

Computation and Language · Computer Science 2024-10-21 Jia-Nan Li , Jian Guan , Wei Wu , Zhengtao Yu , Rui Yan

Detection Transformers represent end-to-end object detection approaches based on a Transformer encoder-decoder architecture, exploiting the attention mechanism for global relation modeling. Although Detection Transformers deliver results on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Bastian Wittmann , Fernando Navarro , Suprosanna Shit , Bjoern Menze

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

In texture-plus-depth representation of a 3D scene, depth maps from different camera viewpoints are typically lossily compressed via the classical transform coding / coefficient quantization paradigm. In this paper we propose to reduce…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Pengfei Wan , Gene Cheung , Philip A. Chou , Dinei Florencio , Cha Zhang , Oscar C. Au

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao

The dominant multi-camera 3D detection paradigm is based on explicit 3D feature construction, which requires complicated indexing of local image-view features via 3D-to-2D projection. Other methods implicitly introduce geometric positional…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Shihao Wang , Xiaohui Jiang , Ying Li

Transformers have recently been shown to generate high quality images from text input. However, the existing method of pose conditioning using skeleton image tokens is computationally inefficient and generate low quality images. Therefore…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Soon Yau Cheong , Armin Mustafa , Andrew Gilbert

Accurately estimating the 6D pose of objects is crucial for many applications, such as robotic grasping, autonomous driving, and augmented reality. However, this task becomes more challenging in poor lighting conditions or when dealing with…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Zhujun Li , Ioannis Stamos

Recently, the rise of query-based Transformer decoders is reshaping camera-based 3D object detection. These query-based decoders are surpassing the traditional dense BEV (Bird's Eye View)-based methods. However, we argue that dense BEV…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhenxin Li , Shiyi Lan , Jose M. Alvarez , Zuxuan Wu