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Related papers: VR Content Capture using Aligned Smartphones

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This paper investigates the trade-off between computational resource utilization and image quality in the context of image fusion techniques for smartphone camera capture. The study explores various combinations of fusion methods, fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Lucas N. Kirsten

Self-captured full-body videos are popular, but most deployments require mounted cameras, carefully-framed shots, and repeated practice. We propose a more convenient solution that enables full-body video capture using handheld mobile…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Bowei Chen , Brian Curless , Ira Kemelmacher-Shlizerman , Steven M. Seitz

Localizing smartphones in indoor environments offers excellent opportunities for e-commerce. In this paper, we propose a localization technique for smartphones in indoor environments. This technique can calculate the coordinates of a…

Signal Processing · Electrical Eng. & Systems 2018-10-10 Md. Tanvir Hossan , Mostafa Zaman Chowdhury , Amirul Islam , Yeong Min Jang

The smartphone usage among people is increasing rapidly. With the phenomenal growth of smartphone use, smartphone theft is also increasing. This paper proposes a model to secure smartphones from theft as well as provides options to access a…

Cryptography and Security · Computer Science 2012-03-16 K. S. Kuppusamy , Senthilraja. R , G. Aghila

The demand for efficient 3D model generation techniques has grown exponentially, as manual creation of 3D models is time-consuming and requires specialized expertise. While generative models have shown potential in creating 3D textured…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Fanghua Yu , Xintao Wang , Zheyuan Li , Yan-Pei Cao , Ying Shan , Chao Dong

Despite the remarkable advances in image matching and pose estimation, image-based localization of a camera in a temporally-varying outdoor environment is still a challenging problem due to huge appearance disparity between query and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Shen Yan , Yu Liu , Long Wang , Zehong Shen , Zhen Peng , Haomin Liu , Maojun Zhang , Guofeng Zhang , Xiaowei Zhou

Imagine taking a selfie video with your mobile phone and getting as output a 3D model of your head (face and 3D hair strands) that can be later used in VR, AR, and any other domain. State of the art hair reconstruction methods allow either…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Shu Liang , Xiufeng Huang , Xianyu Meng , Kunyao Chen , Linda G. Shapiro , Ira Kemelmacher-Shlizerman

Recent research advance has significantly improved the visual realism of immersive 3D video communication. In this work we present a method to further enhance this immersive experience by adding the hand touch capability ("remote hand…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Yizhong Zhang , Zhiqi Li , Sicheng Xu , Chong Li , Jiaolong Yang , Xin Tong , Baining Guo

We identify a novel instance of the background subtraction problem that focuses on extracting near-field foreground objects captured using handheld cameras. Given two user-generated videos of a scene, one with and the other without the…

Computer Vision and Pattern Recognition · Computer Science 2014-04-23 Raffay Hamid , Atish Das Sarma , Dennis DeCoste , Neel Sundaresan

Orthodontics focuses on rectifying misaligned teeth (i.e., malocclusions), affecting both masticatory function and aesthetics. However, orthodontic treatment often involves complex, lengthy procedures. As such, generating a 2D photograph…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Yulong Dou , Lanzhuju Mei , Dinggang Shen , Zhiming Cui

Camera calibration is a crucial step in photogrammetry and 3D vision applications. In practical scenarios with a long working distance to cover a wide area, target-based calibration methods become complicated and inflexible due to site…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Shunkun Liang , Banglei Guan , Zhenbao Yu , Pengju Sun , Yang Shang

We contribute interaction techniques for augmenting mixed reality (MR) visualizations with smartphone proxies. By combining head-mounted displays (HMDs) with mobile touchscreens, we can augment low-resolution holographic 3D charts with…

Human-Computer Interaction · Computer Science 2023-03-17 Neil Chulpongsatorn , Wesley Willett , Ryo Suzuki

We present a feature-free photogrammetric technique that enables quantitative 3D mesoscopic (mm-scale height variation) imaging with tens-of-micron accuracy from sequences of images acquired by a smartphone at close range (several cm) under…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Kevin C. Zhou , Colin Cooke , Jaehee Park , Ruobing Qian , Roarke Horstmeyer , Joseph A. Izatt , Sina Farsiu

Mobile video calls are widely used to share information about real-world objects and environments with remote collaborators. While these calls provide valuable visual context in real time, the experience of interacting with people and…

Objects manipulated by the hand (i.e., manipulanda) are particularly challenging to reconstruct from Internet videos. Not only does the hand occlude much of the object, but also the object is often only visible in a small number of image…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Jane Wu , Georgios Pavlakos , Georgia Gkioxari , Jitendra Malik

When collaborating relative to a shared 3D virtual object in mixed reality (MR), users may experience communication issues arising from differences in perspective. These issues include occlusion (e.g., one user not being able to see what…

Human-Computer Interaction · Computer Science 2025-03-18 Matt Gottsacker , Nels Numan , Anthony Steed , Gerd Bruder , Gregory F. Welch , Steve Feiner

Recent years have seen interest in device tracking and localization using acoustic signals. State-of-the-art acoustic motion tracking systems however do not achieve millimeter accuracy and require large separation between microphones and…

Human-Computer Interaction · Computer Science 2019-01-23 Anran Wang , Shyamnath Gollakota

Smartphones are a popular device class for mobile Augmented Reality but suffer from a limited input space. Around-device interaction techniques aim at extending this input space using various sensing modalities. In this paper we present our…

Human-Computer Interaction · Computer Science 2017-09-05 Daniel Schneider , Jens Grubert

Due to a noticeable expansion of document recognition applicability, there is a high demand for recognition on mobile devices. A mobile camera, unlike a scanner, cannot always ensure the absence of various image distortions, therefore the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Olga Petrova , Konstantin Bulatov , Vladimir L. Arlazarov

In this paper, we present an acoustic localization system for multiple devices. In contrast to systems which localise a device relative to one or several anchor points, we focus on the joint localisation of several devices relative to each…

Networking and Internet Architecture · Computer Science 2015-12-17 Seyed-Mohsen Moosavi-Dezfooli , Yvonne-Anne Pignolet , Dacfey Dzung