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Deep implicit functions (DIFs), as a kind of 3D shape representation, are becoming more and more popular in the 3D vision community due to their compactness and strong representation power. However, unlike polygon mesh-based templates, it…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Zerong Zheng , Tao Yu , Qionghai Dai , Yebin Liu

Masked Image Modeling (MIM) has emerged as a promising method for deriving visual representations from unlabeled image data by predicting missing pixels from masked portions of images. It excels in region-aware learning and provides strong…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yibing Wei , Abhinav Gupta , Pedro Morgado

Implicit neural representations (INRs) mark a fundamental shift in signal modeling, moving from discrete sampled data to continuous functional representations. By parameterizing signals as neural networks, INRs provide a unified framework…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Dhananjaya Jayasundara , Vishal M. Patel

Deep implicit functions have shown remarkable shape modeling ability in various 3D computer vision tasks. One drawback is that it is hard for them to represent a 3D shape as multiple parts. Current solutions learn various primitives and…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Chao Chen , Yu-Shen Liu , Zhizhong Han

Recent development of neural implicit function has shown tremendous success on high-quality 3D shape reconstruction. However, most works divide the space into inside and outside of the shape, which limits their representing power to…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Jianglong Ye , Yuntao Chen , Naiyan Wang , Xiaolong Wang

Traditional representations for light fields can be separated into two types: explicit representation and implicit representation. Unlike explicit representation that represents light fields as Sub-Aperture Images (SAIs) based arrays or…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Hanxin Zhu , Henan Wang , Zhibo Chen

Hyperspectral image (HSI) super-resolution without additional auxiliary image remains a constant challenge due to its high-dimensional spectral patterns, where learning an effective spatial and spectral representation is a fundamental…

图像与视频处理 · 电气工程与系统科学 2021-12-21 Kaiwei Zhang

Image super-resolution (SR) has attracted increasing attention due to its wide applications. However, current SR methods generally suffer from over-smoothing and artifacts, and most work only with fixed magnifications. This paper introduces…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sicheng Gao , Xuhui Liu , Bohan Zeng , Sheng Xu , Yanjing Li , Xiaoyan Luo , Jianzhuang Liu , Xiantong Zhen , Baochang Zhang

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Shen Fan , Przemyslaw Musialski

Deep learning models develop successive representations of their input in sequential layers, the last of which maps the final representation to the output. Here we investigate the informational content of these representations by observing…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Benjamin L. Badger

In recent years, huge progress has been made on learning neural implicit representations from multi-view images for 3D reconstruction. As an additional input complementing coordinates, using sinusoidal functions as positional encodings…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Sijia Jiang , Jing Hua , Zhizhong Han

Current deep learning-based low-light image enhancement methods often struggle with high-resolution images, and fail to meet the practical demands of visual perception across diverse and unseen scenarios. In this paper, we introduce a novel…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Tomáš Chobola , Yu Liu , Hanyi Zhang , Julia A. Schnabel , Tingying Peng

Flow-based methods have demonstrated promising results in addressing the ill-posed nature of super-resolution (SR) by learning the distribution of high-resolution (HR) images with the normalizing flow. However, these methods can only…

计算机视觉与模式识别 · 计算机科学 2023-07-14 Jie-En Yao , Li-Yuan Tsao , Yi-Chen Lo , Roy Tseng , Chia-Che Chang , Chun-Yi Lee

Sensor fusion has become a popular topic in robotics. However, conventional fusion methods encounter many difficulties, such as data representation differences, sensor variations, and extrinsic calibration. For example, the calibration…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Shuyi Zhou , Shuxiang Xie , Ryoichi Ishikawa , Ken Sakurada , Masaki Onishi , Takeshi Oishi

Audio super resolution aims to predict the missing high resolution components of the low resolution audio signals. While audio in nature is a continuous signal, current approaches treat it as discrete data (i.e., input is defined on…

声音 · 计算机科学 2022-03-31 Jaechang Kim , Yunjoo Lee , Seunghoon Hong , Jungseul Ok

Recent works with an implicit neural function shed light on representing images in arbitrary resolution. However, a standalone multi-layer perceptron shows limited performance in learning high-frequency components. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Jaewon Lee , Kyong Hwan Jin

The recent work Local Implicit Image Function (LIIF) and subsequent Implicit Neural Representation (INR) based works have achieved remarkable success in Arbitrary-Scale Super-Resolution (ASSR) by using MLP to decode Low-Resolution (LR)…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Zongyao He , Zhi Jin

The many variations of Implicit Neural Representations (INRs), where a neural network is trained as a continuous representation of a signal, have tremendous practical utility for downstream tasks including novel view synthesis, video…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Namitha Padmanabhan , Matthew Gwilliam , Pulkit Kumar , Shishira R Maiya , Max Ehrlich , Abhinav Shrivastava

Implicit neural representation (INR) has proven to be accurate and efficient in various domains. In this work, we explore how different neural networks can be designed as a new texture INR, which operates in a continuous manner rather than…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Albert Kwok , Zheyuan Hu , Dounia Hammou

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…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Zhongpai Gao