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Generating 3D visual scenes is at the forefront of visual generative AI, but current 3D generation techniques struggle with generating scenes with multiple high-resolution objects. Here we introduce Lay-A-Scene, which solves the task of…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Ohad Rahamim , Hilit Segev , Idan Achituve , Yuval Atzmon , Yoni Kasten , Gal Chechik

Recent approaches on visual scene understanding attempt to build a scene graph -- a computational representation of objects and their pairwise relationships. Such rich semantic representation is very appealing, yet difficult to obtain from…

计算机视觉与模式识别 · 计算机科学 2018-11-08 Paul Gay , Stuart James , Alessio Del Bue

Ongoing advancements in the fields of 3D modelling and digital archiving have led to an outburst in the amount of data stored digitally. Consequently, several retrieval systems have been developed depending on the type of data stored in…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Bharadwaj Manda , Shubham Dhayarkar , Sai Mitheran , V. K. Viekash , Ramanathan Muthuganapathy

We introduce SketchGNN, a convolutional graph neural network for semantic segmentation and labeling of freehand vector sketches. We treat an input stroke-based sketch as a graph, with nodes representing the sampled points along input…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Lumin Yang , Jiajie Zhuang , Hongbo Fu , Xiangzhi Wei , Kun Zhou , Youyi Zheng

In recent years, 3D generation has made great strides in both academia and industry. However, generating 3D scenes from a single RGB image remains a significant challenge, as current approaches often struggle to ensure both object…

图形学 · 计算机科学 2026-02-18 Xiang Tang , Ruotong Li , Xiaopeng Fan

We present a generative model which can automatically summarize the stroke composition of free-hand sketches of a given category. When our model is fit to a collection of sketches with similar poses, it discovers and learns the structure…

计算机视觉与模式识别 · 计算机科学 2015-10-12 Yi Li , Yi-Zhe Song , Timothy Hospedales , Shaogang Gong

Sketchformer is a novel transformer-based representation for encoding free-hand sketches input in a vector form, i.e. as a sequence of strokes. Sketchformer effectively addresses multiple tasks: sketch classification, sketch based image…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Leo Sampaio Ferraz Ribeiro , Tu Bui , John Collomosse , Moacir Ponti

Recent advances in vision-language models have facilitated progress in sketch generation. However, existing specialized methods primarily focus on generic synthesis and lack mechanisms for precise control over sketch styles. In this work,…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Tengjie Li , Shikui Tu , Lei Xu

We present SPRITETOMESH, a fully automatic pipeline for converting 2D game sprite images into triangle meshes compatible with skeletal animation frameworks such as Spine2D. Creating animation-ready meshes is traditionally a tedious manual…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Bastien Gimbert

Sketching is more fundamental to human cognition than speech. Deep Neural Networks (DNNs) have achieved the state-of-the-art in speech-related tasks but have not made significant development in generating stroke-based sketches a.k.a…

图形学 · 计算机科学 2019-04-09 Varshaneya V , S Balasubramanian , Vineeth N Balasubramanian

Recent years have witnessed remarkable progress in generative AI, with natural language emerging as the most common conditioning input. As underlying models grow more powerful, researchers are exploring increasingly diverse conditioning…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Ahmed Bourouis , Mikhail Bessmeltsev , Yulia Gryaditskaya

Summary statistics such as the mean and variance are easily maintained for large, distributed data streams, but order statistics (i.e., sample quantiles) can only be approximately summarized. There is extensive literature on maintaining…

数据库 · 计算机科学 2019-08-29 Charles Masson , Jee E. Rim , Homin K. Lee

We propose a multi-scale multi-channel deep neural network framework that, for the first time, yields sketch recognition performance surpassing that of humans. Our superior performance is a result of explicitly embedding the unique…

计算机视觉与模式识别 · 计算机科学 2015-07-22 Qian Yu , Yongxin Yang , Yi-Zhe Song , Tao Xiang , Timothy Hospedales

This paper unravels the potential of sketches for diffusion models, addressing the deceptive promise of direct sketch control in generative AI. We importantly democratise the process, enabling amateur sketches to generate precise images,…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Subhadeep Koley , Ayan Kumar Bhunia , Deeptanshu Sekhri , Aneeshan Sain , Pinaki Nath Chowdhury , Tao Xiang , Yi-Zhe Song

Realistic 3D indoor scene synthesis is vital for embodied AI and digital content creation. It can be naturally divided into two subtasks: object generation and layout generation. While recent generative models have significantly advanced…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Xingjian Ran , Yixuan Li , Linning Xu , Mulin Yu , Bo Dai

Sequential assembly with geometric primitives has drawn attention in robotics and 3D vision since it yields a practical blueprint to construct a target shape. However, due to its combinatorial property, a greedy method falls short of…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Jungtaek Kim , Hyunsoo Chung , Jinhwi Lee , Minsu Cho , Jaesik Park

Recent years have seen an explosion of work and interest in text-to-3D shape generation. Much of the progress is driven by advances in 3D representations, large-scale pretraining and representation learning for text and image data enabling…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Han-Hung Lee , Manolis Savva , Angel X. Chang

Stream monitoring is fundamental in many data stream applications, such as financial data trackers, security, anomaly detection, and load balancing. In that respect, quantiles are of particular interest, as they often capture the user's…

数据结构与算法 · 计算机科学 2022-01-07 Rana Shahout , Roy Friedman , Ran Ben Basat

For designing a wide range of everyday objects, the design process should be aware of both the human body and the underlying semantics of the design specification. However, these two objectives present significant challenges to the current…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Michelle Guo , Mia Tang , Hannah Cha , Ruohan Zhang , C. Karen Liu , Jiajun Wu

Personalization techniques for large text-to-image (T2I) models allow users to incorporate new concepts from reference images. However, existing methods primarily rely on textual descriptions, leading to limited control over customized…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Chufeng Xiao , Hongbo Fu