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Matrix Graph Grammars (MGG) is a novel approach to the study of graph dynamics ([15]). In the present contribution we look at MGG as a formal grammar and as a model of computation, which is a necessary step in the more ambitious program of…

Discrete Mathematics · Computer Science 2009-11-16 Pedro Pablo Perez Velasco

We propose a data-driven 3D shape design method that can learn a generative model from a corpus of existing designs, and use this model to produce a wide range of new designs. The approach learns an encoding of the samples in the training…

Imitation learning in a high-dimensional environment is challenging. Most inverse reinforcement learning (IRL) methods fail to outperform the demonstrator in such a high-dimensional environment, e.g., Atari domain. To address this…

Machine Learning · Computer Science 2020-09-14 Xingrui Yu , Yueming Lyu , Ivor W. Tsang

The entertainment industry relies on 3D visual content to create immersive experiences, but traditional methods for creating textured 3D models can be time-consuming and subjective. Generative networks such as StyleGAN have advanced image…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Yi-Ting Pan , Chai-Rong Lee , Shu-Ho Fan , Jheng-Wei Su , Jia-Bin Huang , Yung-Yu Chuang , Hung-Kuo Chu

We present a neural architecture that takes as input a 2D or 3D shape and outputs a program that generates the shape. The instructions in our program are based on constructive solid geometry principles, i.e., a set of boolean operations on…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Gopal Sharma , Rishabh Goyal , Difan Liu , Evangelos Kalogerakis , Subhransu Maji

Generative modeling of anatomical structures plays a crucial role in virtual imaging trials, which allow researchers to perform studies without the costs and constraints inherent to in vivo and phantom studies. For clinical relevance,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Bram de Wilde , Max T. Rietberg , Guillaume Lajoinie , Jelmer M. Wolterink

Diffusion models have shown great promise for image generation, beating GANs in terms of generation diversity, with comparable image quality. However, their application to 3D shapes has been limited to point or voxel representations that…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Gimin Nam , Mariem Khlifi , Andrew Rodriguez , Alberto Tono , Linqi Zhou , Paul Guerrero

We consider object detection using a generic model for natural shapes. A common approach for object recognition involves matching object models directly to images. Another approach involves building intermediate representations via a…

Computer Vision and Pattern Recognition · Computer Science 2014-12-23 Pedro F. Felzenszwalb

Design generation requires tight integration of neural and symbolic reasoning, as good design must meet explicit user needs and honor implicit rules for aesthetics, utility, and convenience. Current automated design tools driven by neural…

Artificial Intelligence · Computer Science 2024-11-18 Maxwell Joseph Jacobson , Yexiang Xue

We introduce an inversion based method, denoted as IMAge-Guided model INvErsion (IMAGINE), to generate high-quality and diverse images from only a single training sample. We leverage the knowledge of image semantics from a pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Pei Wang , Yijun Li , Krishna Kumar Singh , Jingwan Lu , Nuno Vasconcelos

It is a big challenge of computer vision to make machine automatically describe the content of an image with a natural language sentence. Previous works have made great progress on this task, but they only use the global or local image…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Aihong Yuan , Xuelong Li , Xiaoqiang Lu

We propose a framework for building graphical causal model that is based on the concept of causal mechanisms. Causal models are intuitive for human users and, more importantly, support the prediction of the effect of manipulation. We…

Artificial Intelligence · Computer Science 2013-01-18 Tsai-Ching Lu , Marek J. Druzdzel , Tze-Yun Leong

The adoption of pre-trained language models to generate action plans for embodied agents is a promising research strategy. However, execution of instructions in real or simulated environments requires verification of the feasibility of…

We present an approach to infer the 3D shape, texture, and camera pose for an object from a single RGB image, using only category-level image collections with foreground masks as supervision. We represent the shape as an image-conditioned…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Shubham Tulsiani , Nilesh Kulkarni , Abhinav Gupta

We present a method to generate 3D objects in styles. Our method takes a text prompt and a style reference image as input and reconstructs a neural radiance field to synthesize a 3D model with the content aligning with the text prompt and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Hubert Kompanowski , Binh-Son Hua

Most structure inference methods either rely on exhaustive search or are purely data-driven. Exhaustive search robustly infers the structure of arbitrarily complex data, but it is slow. Data-driven methods allow efficient inference, but do…

Machine Learning · Computer Science 2019-08-16 Sidi Lu , Jiayuan Mao , Joshua B. Tenenbaum , Jiajun Wu

Recent progress in text-to-3D object generation enables the synthesis of detailed geometry from text input by leveraging 2D diffusion models and differentiable 3D representations. However, the approaches often suffer from limited…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Ming He , Zhixiang Chen , Steve Maddock

Grasping is a complex process involving knowledge of the object, the surroundings, and of oneself. While humans are able to integrate and process all of the sensory information required for performing this task, equipping machines with this…

Robotics · Computer Science 2017-01-12 Matthew Veres , Medhat Moussa , Graham W. Taylor

Procedural textures are normally generated from mathematical models with parameters carefully selected by experienced users. However, for naive users, the intuitive way to obtain a desired texture is to provide semantic descriptions such as…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Junyu Dong , Lina Wang , Jun Liu , Xin Sun

This paper presents a novel decoder-based approach for generating manufacturable 3D structures optimized for additive manufacturing. We introduce a deep learning framework that decodes latent representations into geometrically valid,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Abhishek Kumar