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Robot learning requires a considerable amount of high-quality data to realize the promise of generalization. However, large data sets are costly to collect in the real world. Physics simulators can cheaply generate vast data sets with broad…

Computer vision models excel at making predictions when the test distribution closely resembles the training distribution. Such models have yet to match the ability of biological vision to learn from multiple sources and generalize to new…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Tanmay Gupta , Ryan Marten , Aniruddha Kembhavi , Derek Hoiem

Multi-camera 3D object detection for autonomous driving is a challenging problem that has garnered notable attention from both academia and industry. An obstacle encountered in vision-based techniques involves the precise extraction of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Linyan Huang , Huijie Wang , Jia Zeng , Shengchuan Zhang , Liujuan Cao , Junchi Yan , Hongyang Li

Aligning a few-step generative model is challenging, since existing alignment frameworks typically rely on restrictive assumptions: a tractable likelihood, a specific ODE/SDE solver, or a particular model family. We introduce FAV, Few-step…

Recent advancements in diffusion-based generative image editing have sparked a profound revolution, reshaping the landscape of image outpainting and inpainting tasks. Despite these strides, the field grapples with inherent challenges,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Yuxi Ren , Jie Wu , Yanzuo Lu , Huafeng Kuang , Xin Xia , Xionghui Wang , Qianqian Wang , Yixing Zhu , Pan Xie , Shiyin Wang , Xuefeng Xiao , Yitong Wang , Min Zheng , Lean Fu

Inference-time guided sampling steers state-of-the-art diffusion and flow models without fine-tuning by interpreting the generation process as a controllable trajectory. This provides a simple and flexible way to inject external constraints…

Artificial Intelligence · Computer Science 2026-05-21 Xuehui Yu , Fucheng Cai , Meiyi Wang , Xiaopeng Fan , Harold Soh

Diffusion models and flow matching have demonstrated remarkable success in text-to-image generation. While many existing alignment methods primarily focus on fine-tuning pre-trained generative models to maximize a given reward function,…

Machine Learning · Statistics 2026-02-03 Yidong Ouyang , Liyan Xie , Hongyuan Zha , Guang Cheng

Recent generative data augmentation methods conditioned on both image and text prompts struggle to balance between fidelity and diversity, as it is challenging to preserve essential image details while aligning with varied text prompts.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Tianchen Zhao , Xuanbai Chen , Zhihua Li , Jun Fang , Dongsheng An , Xiang Xu , Zhuowen Tu , Yifan Xing

State-of-the-art Style Transfer methods often leverage pre-trained encoders optimized for discriminative tasks, which may not be ideal for image synthesis. This can result in significant artifacts and loss of photorealism. Motivated by the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Renan A. Rojas-Gomez , Minh N. Do

Geometry is a ubiquitous tool in computer graphics, design, and engineering. However, the lack of large shape datasets limits the application of state-of-the-art supervised learning methods and motivates the exploration of alternative…

Machine Learning · Computer Science 2025-07-21 Arturs Berzins , Andreas Radler , Eric Volkmann , Sebastian Sanokowski , Sepp Hochreiter , Johannes Brandstetter

Point-Vision-Language Models promise to empower embodied agents with executable spatial reasoning, yet they frequently succumb to geometric hallucination where predicted 3D structures contradict the observed 2D reality. We identify a key…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Jingkun Chen , Ruoshi Xu , Mingqi Gao , Shengda Luo , Jungong Han

Feature-based image matching has extensive applications in computer vision. Keypoints detected in images can be naturally represented as graph structures, and Graph Neural Networks (GNNs) have been shown to outperform traditional deep…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Xianfeng Song , Yi Zou , Zheng Shi , Zheng Liu

Reconstructing complex 3D interfaces from indirect measurements remains a grand challenge in scientific computing, particularly for ill-posed inverse problems like Electrical Impedance Tomography (EIT). Traditional shape optimization…

Numerical Analysis · Mathematics 2026-04-23 Haibo Liu , Junqing Chen , Guang Lin

We tackle the task of synthesizing novel views of an object given a few input images and associated camera viewpoints. Our work is inspired by recent 'geometry-free' approaches where multi-view images are encoded as a (global) set-latent…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Naveen Venkat , Mayank Agarwal , Maneesh Singh , Shubham Tulsiani

Computer-Aided Design (CAD) plays a pivotal role in industrial manufacturing. Orthographic projection reasoning underpins the entire CAD workflow, encompassing design, manufacturing, and simulation. However, prevailing deep-learning…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Ke Niu , Zhuofan Chen , Haiyang Yu , Yuwen Chen , Teng Fu , Mengyang Zhao , Bin Li , Xiangyang Xue

The integration of generative artificial intelligence (AI) into architectural design has advanced significantly, enabling the generation of text, images, and 3D models. However, prior AI applications lack support for text-to-parametric…

Human-Computer Interaction · Computer Science 2025-05-20 Guangxi Feng , Wei Yan

In this work, we introduce CAD-Coder, a novel framework that reformulates text-to-CAD as the generation of CadQuery scripts - a Python-based, parametric CAD language. This representation enables direct geometric validation, a richer…

Graphics · Computer Science 2026-05-15 Yandong Guan , Xilin Wang , Ximing Xing , Jing Zhang , Dong Xu , Qian Yu

Event-based vision sensors offer high time resolution, high dynamic range, and low power consumption, yet event-based vision models lag behind conventional frame-based vision methods. We argue that this gap is partly due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Jens Egholm Pedersen , Dimitris Korakovounis , Jörg Conradt

The performance of Large Language Models (LLMs) is increasingly governed by data efficiency rather than raw scaling volume. However, existing selection methods often decouple global distribution balancing from local instance selection,…

Computation and Language · Computer Science 2026-03-03 Changhao Wang , Jiaolong Yang , Xinhao Yao , Yunfei Yu , Peng Jiao , Lu Yu , Junpeng Fang , Riccardo Cantoro , Qing Cui , Jun Zhou

High-fidelity generative models are increasingly needed in privacy-sensitive scenarios, where access to data is severely restricted due to regulatory and copyright constraints. This scarcity hampers model development--ironically, in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Xuemei Jia , Jiawei Du , Hui Wei , Jun Chen , Joey Tianyi Zhou , Zheng Wang