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Generative AI (GenAI) image tools are increasingly used in design practice, enabling rapid ideation but offering limited support for refinement tasks such as adjusting layout, scale, or visual attributes. While text prompts and inpainting…

Human-Computer Interaction · Computer Science 2026-02-10 Hyerim Park , Phuong Thao Tran , Andre Luckow , Ceenu George , Michael Sedlmair , Malin Eiband

The concept of 3D scene graphs is increasingly recognized as a powerful semantic and hierarchical representation of the environment. Current approaches often address this at a coarse, object-level resolution. In contrast, our goal is to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Dennis Rotondi , Fabio Scaparro , Hermann Blum , Kai O. Arras

The objective of this paper is to learn dense 3D shape correspondence for topology-varying generic objects in an unsupervised manner. Conventional implicit functions estimate the occupancy of a 3D point given a shape latent code. Instead,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Feng Liu , Xiaoming Liu

In the past few years we have seen great advances in object perception (particularly in 4D space-time dimensions) thanks to deep learning methods. However, they typically rely on large amounts of high-quality labels to achieve good…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Bin Yang , Min Bai , Ming Liang , Wenyuan Zeng , Raquel Urtasun

In this paper, we focus on obtaining 2D and 3D labels, as well as track IDs for objects on the road with the help of a novel 3D Bounding Box Annotation Toolbox (3D BAT). Our open source, web-based 3D BAT incorporates several smart features…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Walter Zimmer , Akshay Rangesh , Mohan Trivedi

The surge in 3D modeling has led to a pronounced research emphasis on the field of 3D shape retrieval. Numerous contemporary approaches have been put forth to tackle this intricate challenge. Nevertheless, effectively addressing the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Rihao Chang , Yongtao Ma , Tong Hao , Weizhi Nie

Modeling 3D avatars benefits various application scenarios such as AR/VR, gaming, and filming. Character faces contribute significant diversity and vividity as a vital component of avatars. However, building 3D character face models usually…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Zhongjin Luo , Dong Du , Heming Zhu , Yizhou Yu , Hongbo Fu , Xiaoguang Han

3D Morphable Model (3DMM) fitting has widely benefited face analysis due to its strong 3D priori. However, previous reconstructed 3D faces suffer from degraded visual verisimilitude due to the loss of fine-grained geometry, which is…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Xiangyu Zhu , Chang Yu , Di Huang , Zhen Lei , Hao Wang , Stan Z. Li

Facial attribute editing plays a crucial role in synthesizing realistic faces with specific characteristics while maintaining realistic appearances. Despite advancements, challenges persist in achieving precise, 3D-aware attribute…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yu-Kai Huang , Yutong Zheng , Yen-Shuo Su , Anudeepsekhar Bolimera , Han Zhang , Fangyi Chen , Marios Savvides

We propose a method for predicting the 3D shape of a deformable surface from a single view. By contrast with previous approaches, we do not need a pre-registered template of the surface, and our method is robust to the lack of texture and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Albert Pumarola , Antonio Agudo , Lorenzo Porzi , Alberto Sanfeliu , Vincent Lepetit , Francesc Moreno-Noguer

Robotic grasping of house-hold objects has made remarkable progress in recent years. Yet, human grasps are still difficult to synthesize realistically. There are several key reasons: (1) the human hand has many degrees of freedom (more than…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Korrawe Karunratanakul , Jinlong Yang , Yan Zhang , Michael Black , Krikamol Muandet , Siyu Tang

Recently, weakly-supervised image segmentation using weak annotations like scribbles has gained great attention in computer vision and medical image analysis, since such annotations are much easier to obtain compared to time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Qiuhui Chen , Haiying Lyu , Xinyue Hu , Yong Lu , Yi Hong

As a consequence of an ever-increasing number of service robots, there is a growing demand for highly accurate real-time 3D object recognition. Considering the expansion of robot applications in more complex and dynamic environments,it is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Nils Keunecke , S. Hamidreza Kasaei

Generative AI (GenAI) tools are increasingly integrated into design workflows. While text prompts remain the primary input method for GenAI image tools, designers often struggle to craft effective ones. Moreover, research has primarily…

Human-Computer Interaction · Computer Science 2025-04-09 Hyerim Park , Malin Eiband , Andre Luckow , Michael Sedlmair

We propose an approach for semi-automatic annotation of object instances. While most current methods treat object segmentation as a pixel-labeling problem, we here cast it as a polygon prediction task, mimicking how most current datasets…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Lluis Castrejon , Kaustav Kundu , Raquel Urtasun , Sanja Fidler

Many existing methods for 3D cuboid annotation of vehicles rely on expensive and carefully calibrated camera-LiDAR or stereo setups, limiting their accessibility for large-scale data collection. We introduce ToosiCubix, a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Behrooz Nasihatkon , Hossein Resani , Amirreza Mehrzadian

Most model-free visual object tracking methods formulate the tracking task as object location estimation given by a 2D segmentation or a bounding box in each video frame. We argue that this representation is limited and instead propose to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Denys Rozumnyi , Jiri Matas , Marc Pollefeys , Vittorio Ferrari , Martin R. Oswald

Existing 3D semantic segmentation methods rely on point-wise or voxel-wise feature descriptors to output segmentation predictions. However, these descriptors are often supervised at point or voxel level, leading to segmentation models that…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Bo Sun , Qixing Huang , Xiangru Huang

In this paper, we propose a new framework for online 3D scene perception. Conventional 3D scene perception methods are offline, i.e., take an already reconstructed 3D scene geometry as input, which is not applicable in robotic applications…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Xiuwei Xu , Chong Xia , Ziwei Wang , Linqing Zhao , Yueqi Duan , Jie Zhou , Jiwen Lu

Spatial relationships between objects provide important information for text-based image retrieval. As users are more likely to describe a scene from a real world perspective, using 3D spatial relationships rather than 2D relationships that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Ang Li , Jin Sun , Joe Yue-Hei Ng , Ruichi Yu , Vlad I. Morariu , Larry S. Davis