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Reconstructing complex structures from planar cross-sections is a challenging problem, with wide-reaching applications in medical imaging, manufacturing, and topography. Out-of-the-box point cloud reconstruction methods can often fail due…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Thomas Walker , Salvatore Esposito , Daniel Rebain , Amir Vaxman , Arno Onken , Changjian Li , Oisin Mac Aodha

This paper seeks to combine dictionary learning and hierarchical image representation in a principled way. To make dictionary atoms capturing additional information from extended receptive fields and attain improved descriptive capacity, we…

Computer Vision and Pattern Recognition · Computer Science 2019-11-11 Tong Zhang , Fatih Porikli

We propose a semantic-aware neural reconstruction method to generate 3D high-fidelity models from sparse images. To tackle the challenge of severe radiance ambiguity caused by mismatched features in sparse input, we enrich neural implicit…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Bo Xu , Yuhu Guo , Yuchao Wang , Wenting Wang , Yeung Yam , Charlie C. L. Wang , Xinyi Le

This paper builds upon the current methods to increase their capability and automation for 3D surface construction from noisy and potentially sparse point clouds. It presents an analysis of an artificial neural network surface regression…

Graphics · Computer Science 2018-12-04 Adam R White , Li Bai

Deep learning systems extensively use convolution operations to process input data. Though convolution is clearly defined for structured data such as 2D images or 3D volumes, this is not true for other data types such as sparse point…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Pedro Hermosilla , Tobias Ritschel , Pere-Pau Vázquez , Àlvar Vinacua , Timo Ropinski

In this paper we show that reversible analysis of logic languages by abstract interpretation can be performed without loss of precision by systematically refining abstract domains. The idea is to include semantic structures into abstract…

Programming Languages · Computer Science 2007-05-23 R. Giacobazzi , F. Ranzato , F. Scozzari

Software requirements expressed in natural language (NL) frequently suffer from verbosity, ambiguity, and inconsistency. This creates a range of challenges, including selecting an appropriate architecture for a system and assessing…

Software Engineering · Computer Science 2025-04-09 Tooraj Helmi

In recent years, neural implicit representations gained popularity in 3D reconstruction due to their expressiveness and flexibility. However, the implicit nature of neural implicit representations results in slow inference time and requires…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Songyou Peng , Chiyu "Max" Jiang , Yiyi Liao , Michael Niemeyer , Marc Pollefeys , Andreas Geiger

Learned Sparse Retrieval (LSR) combines the efficiency of bi-encoders with the transparency of lexical matching, but existing approaches struggle to scale beyond English. We introduce MILCO, an LSR architecture that maps queries and…

Information Retrieval · Computer Science 2026-03-20 Thong Nguyen , Yibin Lei , Jia-Huei Ju , Eugene Yang , Andrew Yates

AI-assisted programming greatly increases software development performance. We enhance this potential by integrating transparency through domain-specific modeling techniques and providing instantaneous, graphical visualizations that…

Programming Languages · Computer Science 2025-09-08 Steven Smyth , Daniel Busch , Moez Ben Haj Hmida , Edward A. Lee , Bernhard Steffen

In this work, we present a novel approach for reconstructing shape point clouds using planar sparse cross-sections with the help of generative modeling. We present unique challenges pertaining to the representation and reconstruction in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Aradhya N. Mathur , Apoorv Khattar , Ojaswa Sharma

Learning to generate 3D point clouds without 3D supervision is an important but challenging problem. Current solutions leverage various differentiable renderers to project the generated 3D point clouds onto a 2D image plane, and train deep…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Chen Chao , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

We present DAPIP, a Programming-By-Example system that learns to program with APIs to perform data transformation tasks. We design a domain-specific language (DSL) that allows for arbitrary concatenations of API outputs and constant…

Artificial Intelligence · Computer Science 2017-04-17 Surya Bhupatiraju , Rishabh Singh , Abdel-rahman Mohamed , Pushmeet Kohli

We introduce ProcGen3D, a new approach for 3D content creation by generating procedural graph abstractions of 3D objects, which can then be decoded into rich, complex 3D assets. Inspired by the prevalent use of procedural generators in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Xinyi Zhang , Daoyi Gao , Naiqi Li , Angela Dai

This paper introduces Attentive Implicit Representation Networks (AIR-Nets), a simple, but highly effective architecture for 3D reconstruction from point clouds. Since representing 3D shapes in a local and modular fashion increases…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Simon Giebenhain , Bastian Goldlücke

Dense point cloud generation from a sparse or incomplete point cloud is a crucial and challenging problem in 3D computer vision and computer graphics. So far, the existing methods are either computationally too expensive, suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Abol Basher , Jani Boutellier

Recently, large language models (LLMs) have been explored widely for 3D scene understanding. Among them, training-free approaches are gaining attention for their flexibility and generalization over training-based methods. However, they…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Haida Feng , Hao Wei , Zewen Xu , Haolin Wang , Chade Li , Yihong Wu

Articulated 3D reconstruction has valuable applications in various domains, yet it remains costly and demands intensive work from domain experts. Recent advancements in template-free learning methods show promising results with monocular…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Tao Tu , Ming-Feng Li , Chieh Hubert Lin , Yen-Chi Cheng , Min Sun , Ming-Hsuan Yang

Abstractive text summarization aims at compressing the information of a long source document into a rephrased, condensed summary. Despite advances in modeling techniques, abstractive summarization models still suffer from several key…

Computation and Language · Computer Science 2021-02-17 Vidhisha Balachandran , Artidoro Pagnoni , Jay Yoon Lee , Dheeraj Rajagopal , Jaime Carbonell , Yulia Tsvetkov

Domain-specific languages raise the level of abstraction in software development. While it is evident that programmers can more easily reason about very high-level programs, the same holds for compilers only if the compiler has an accurate…

Programming Languages · Computer Science 2011-09-06 Tiark Rompf , Arvind K. Sujeeth , HyoukJoong Lee , Kevin J. Brown , Hassan Chafi , Martin Odersky , Kunle Olukotun