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Due to the difficulty of acquiring large-scale 3D human keypoint annotation, previous methods for 3D human pose estimation (HPE) have often relied on 2D image features and sequential 2D annotations. Furthermore, the training of these…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Dongqiangzi Ye , Yufei Xie , Weijia Chen , Zixiang Zhou , Lingting Ge , Hassan Foroosh

Transformers have shown remarkable performance in 3D medical image segmentation, but their high computational requirements and need for large amounts of labeled data limit their applicability. To address these challenges, we consider two…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Xinyu Liu , Zhen Chen , Wuyang Li , Chenxin Li , Yixuan Yuan

Inherent ambiguity in layout annotations poses significant challenges to developing accurate 360{\deg} room layout estimation models. To address this issue, we propose a novel Bi-Layout model capable of predicting two distinct layout types.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yu-Ju Tsai , Jin-Cheng Jhang , Jingjing Zheng , Wei Wang , Albert Y. C. Chen , Min Sun , Cheng-Hao Kuo , Ming-Hsuan Yang

With the growing demand for immersive digital applications, the need to understand and reconstruct 3D scenes has significantly increased. In this context, inpainting indoor environments from a single image plays a crucial role in modeling…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Bruno Henriques , Benjamin Allaert , Jean-Philippe Vandeborre

Transformers are a popular choice for classification tasks and as backbones for object detection tasks. However, their high latency brings challenges in their adaptation to lightweight object detection systems. We present an approximation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Dharma KC , Venkata Ravi Kiran Dayana , Meng-Lin Wu , Venkateswara Rao Cherukuri , Hau Hwang

Graph transformers typically embed every node in a single Euclidean space, blurring heterogeneous topologies. We prepend a lightweight Riemannian mixture-of-experts layer that routes each node to various kinds of manifold, mixture of…

Machine Learning · Computer Science 2025-07-11 Ankit Jyothish , Ali Jannesari

Depth estimation is a cornerstone of 3D reconstruction and plays a vital role in minimally invasive endoscopic surgeries. However, most current depth estimation networks rely on traditional convolutional neural networks, which are limited…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Bojian Li , Bo Liu , Xinning Yao , Jinghua Yue , Fugen Zhou

In this paper, we present a new approach to estimate the layout of a room from its single image. While recent approaches for this task use robust features learnt from data, they resort to optimization for detecting the final layout. In…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Xi Zhang , Chun-Kai Wang , Kenan Deng , Tomas Yago-Vicente , Himanshu Arora

It is desirable to enable robots capable of automatic assembly. Structural understanding of object parts plays a crucial role in this task yet remains relatively unexplored. In this paper, we focus on the setting of furniture assembly from…

Robotics · Computer Science 2022-07-07 Rufeng Zhang , Tao Kong , Weihao Wang , Xuan Han , Mingyu You

Accurately estimating the 3D layout of rooms is a crucial task in computer vision, with potential applications in robotics, augmented reality, and interior design. This paper proposes a novel model, PanoTPS-Net, to estimate room layout from…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Hatem Ibrahem , Ahmed Salem , Qinmin Vivian Hu , Guanghui Wang

Accurate 3D shape abstraction from a single 2D image is a long-standing problem in computer vision and graphics. By leveraging a set of primitives to represent the target shape, recent methods have achieved promising results. However, these…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Di Liu , Xiang Yu , Meng Ye , Qilong Zhangli , Zhuowei Li , Zhixing Zhang , Dimitris N. Metaxas

Accurate 3D lane segment detection and topology reasoning are critical for structured online map construction in autonomous driving. Recent transformer-based approaches formulate this task as query-based set prediction, yet largely inherit…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Danny Abraham , Nikhil Kamalkumar Advani , Arun Das , Nikil Dutt

Estimating homography from a single image remains a challenging yet practically valuable task, particularly in domains like retail, where only one viewpoint is typically available for shelf monitoring and product alignment. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Onur Berk Tore , Ibrahim Samil Yalciner , Server Calap

Designing single-task image restoration models for specific degradation has seen great success in recent years. To achieve generalized image restoration, all-in-one methods have recently been proposed and shown potential for multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Hang Guo , Tao Dai , Yuanchao Bai , Bin Chen , Xudong Ren , Zexuan Zhu , Shu-Tao Xia

It is a challenging task to learn discriminative representation from images and videos, due to large local redundancy and complex global dependency in these visual data. Convolution neural networks (CNNs) and vision transformers (ViTs) have…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Kunchang Li , Yali Wang , Junhao Zhang , Peng Gao , Guanglu Song , Yu Liu , Hongsheng Li , Yu Qiao

Many segmentation networks have been proposed for 3D volumetric segmentation of tumors and organs at risk. Hospitals and clinical institutions seek to accelerate and minimize the efforts of specialists in image segmentation. Still, in case…

Image and Video Processing · Electrical Eng. & Systems 2023-08-11 Sneha Sree C , Mohammad Al Fahim , Keerthi Ram , Mohanasankar Sivaprakasam

Image restoration models often face the simultaneous interaction of multiple degradations in real-world scenarios. Existing approaches typically handle single or composite degradations based on scene descriptors derived from text or image…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jiawei Mao , Yu Yang , Xuesong Yin , Ling Shao , Hao Tang

In this study, we address the challenge of 3D scene structure recovery from monocular depth estimation. While traditional depth estimation methods leverage labeled datasets to directly predict absolute depth, recent advancements advocate…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Chi Zhang , Wei Yin , Gang Yu , Zhibin Wang , Tao Chen , Bin Fu , Joey Tianyi Zhou , Chunhua Shen

Large language models are capable of in-context learning, the ability to perform new tasks at test time using a handful of input-output examples, without parameter updates. We develop a universal approximation theory to elucidate how…

Machine Learning · Computer Science 2025-08-29 Gen Li , Yuchen Jiao , Yu Huang , Yuting Wei , Yuxin Chen

Deep learning-based medical image segmentation and surface mesh generation typically involve a sequential pipeline from image to segmentation to meshes, often requiring large training datasets while making limited use of prior geometric…