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Scene understanding is a critical problem in computer vision. In this paper, we propose a 3D point-based scene graph generation ($\mathbf{SGG_{point}}$) framework to effectively bridge perception and reasoning to achieve scene understanding…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Chaoyi Zhang , Jianhui Yu , Yang Song , Weidong Cai

The goal of many computer vision systems is to transform image pixels into 3D representations. Recent popular models use neural networks to regress directly from pixels to 3D object parameters. Such an approach works well when supervision…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Nadine Rueegg , Christoph Lassner , Michael J. Black , Konrad Schindler

Natural language and images are commonly used as goal representations in goal-conditioned imitation learning (IL). However, natural language can be ambiguous and images can be over-specified. In this work, we propose hand-drawn sketches as…

Object recognition has seen significant progress in the image domain, with focus primarily on 2D perception. We propose to leverage existing large-scale datasets of 3D models to understand the underlying 3D structure of objects seen in an…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Weicheng Kuo , Anelia Angelova , Tsung-Yi Lin , Angela Dai

The lack of proper class discrimination among the Hyperspectral (HS) data points poses a potential challenge in HS classification. To address this issue, this paper proposes an optimal geometry-aware transformation for enhancing the…

Machine Learning · Computer Science 2018-07-10 Ramanarayan Mohanty , S L Happy , Aurobinda Routray

As the most common representation for 3D shapes, mesh is often stored discretely with arrays of vertices and faces. However, 3D shapes in the real world are presented continuously. In this paper, we propose to learn a continuous…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Zhongpai Gao

Contemporary deep learning techniques have made image recognition a reasonably reliable technology. However training effective photo classifiers typically takes numerous examples which limits image recognition's scalability and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Conghui Hu , Da Li , Yi-Zhe Song , Tao Xiang , Timothy M. Hospedales

A 3D scene consists of a set of objects, each with a shape and a layout giving their position in space. Understanding 3D scenes from 2D images is an important goal, with applications in robotics and graphics. While there have been recent…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Georgia Gkioxari , Nikhila Ravi , Justin Johnson

Exemplar-based sketch-to-photo synthesis allows users to generate photo-realistic images based on sketches. Recently, diffusion-based methods have achieved impressive performance on image generation tasks, enabling highly-flexible control…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Ximing Xing , Chuang Wang , Haitao Zhou , Zhihao Hu , Chongxuan Li , Dong Xu , Qian Yu

We present CoGS, a novel method for the style-conditioned, sketch-driven synthesis of images. CoGS enables exploration of diverse appearance possibilities for a given sketched object, enabling decoupled control over the structure and the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Cusuh Ham , Gemma Canet Tarres , Tu Bui , James Hays , Zhe Lin , John Collomosse

While Multimodal Large Language Models (MLLMs) excel at visual understanding, they often struggle in complex scenarios that require visual planning and imagination. Inspired by how humans use sketching as a form of visual thinking to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Huanyu Zhang , Wenshan Wu , Chengzu Li , Ning Shang , Yan Xia , Yangyu Huang , Yifan Zhang , Li Dong , Zhang Zhang , Liang Wang , Tieniu Tan , Furu Wei

An increasing amount of location-based service (LBS) data is being accumulated and helps to study urban dynamics and human mobility. GPS coordinates and other location indicators are normally low dimensional and only representing spatial…

Social and Information Networks · Computer Science 2022-10-11 Chenyu Tian , Yuchun Zhang , Zefeng Weng , Xiusen Gu , Wai Kin Victor Chan

Image schema is a recurrent pattern of reasoning where one entity is mapped into another. Image schema is similar to conceptual metaphor and is also related to metaphoric gesture. Our main goal is to generate metaphoric gestures for an…

Human-Computer Interaction · Computer Science 2022-07-19 Fajrian Yunus , Chloé Clavel , Catherine Pelachaud

3D geometry is a very informative cue when interacting with and navigating an environment. This writing proposes a new approach to 3D reconstruction and scene understanding, which implicitly learns 3D geometry from depth maps pairing a deep…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Dario Rethage , Federico Tombari , Felix Achilles , Nassir Navab

Scene graph generation (SGG) endeavors to predict visual relationships between pairs of objects within an image. Prevailing SGG methods traditionally assume a one-off learning process for SGG. This conventional paradigm may necessitate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Tao He , Tongtong Wu , Dongyang Zhang , Guiduo Duan , Ke Qin , Yuan-Fang Li

Considering the existence of very large amount of available data repositories and reach to the very advanced system of hardware, systems meant for facial identification ave evolved enormously over the past few decades. Sketch recognition is…

Machine Learning · Computer Science 2019-11-20 Sukhada Chokkadi , Sannidhan M S , Sudeepa K B , Abhir Bhandary

We study the underexplored but fundamental vision problem of machine understanding of abstract freehand scene sketches. We introduce a sketch encoder that results in semantically-aware feature space, which we evaluate by testing its…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Ahmed Bourouis , Judith Ellen Fan , Yulia Gryaditskaya

In the process of product design and digital fabrication, the structural analysis of a designed prototype is a fundamental and essential step. However, such a step is usually invisible or inaccessible to designers at the early sketching…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Deng Yu , Chufeng Xiao , Manfred Lau , Hongbo Fu

A 3D scene graph represents a compact scene model by capturing both the objects present and the semantic relationships between them, making it a promising structure for robotic applications. To effectively interact with users, an embodied…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Tatiana Zemskova , Dmitry Yudin

Sketching is a powerful tool for creating abstract images that are sparse but meaningful. Sketch understanding poses fundamental challenges for general-purpose vision algorithms because it requires robustness to the sparsity of sketches…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Kushin Mukherjee , Holly Huey , Xuanchen Lu , Yael Vinker , Rio Aguina-Kang , Ariel Shamir , Judith E. Fan