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Many flagship smartphone cameras now use a dedicated neural image signal processor (ISP) to render noisy raw sensor images to the final processed output. Training nightmode ISP networks relies on large-scale datasets of image pairs with:…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Abhijith Punnappurath , Abdullah Abuolaim , Abdelrahman Abdelhamed , Alex Levinshtein , Michael S. Brown

In low-light conditions, a conventional camera imaging pipeline produces sub-optimal images that are usually dark and noisy due to a low photon count and low signal-to-noise ratio (SNR). We present a data-driven approach that learns the…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Syed Waqas Zamir , Aditya Arora , Salman Khan , Fahad Shahbaz Khan , Ling Shao

Optical and Synthetic Aperture Radar (SAR) image registration is crucial for multi-modal image fusion and applications. However, several challenges limit the performance of existing deep learning-based methods in cross-modal image…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Wei Wang , Dou Quan , Ning Huyan , Chonghua Lv , Shuang Wang , Yunan Li , Licheng Jiao

Modern digital cameras and smartphones mostly rely on image signal processing (ISP) pipelines to produce realistic colored RGB images. However, compared to DSLR cameras, low-quality images are usually obtained in many portable mobile…

图像与视频处理 · 电气工程与系统科学 2021-11-11 Rao Muhammad Umer , Christian Micheloni

Neural Radiance Fields (NeRF) have demonstrated impressive performance in novel view synthesis. However, NeRF and most of its variants still rely on traditional complex pipelines to provide extrinsic and intrinsic camera parameters, such as…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

Moire patterns frequently appear when capturing screens with smartphones or cameras, potentially compromising image quality. Previous studies suggest that moire pattern elimination in the RAW domain offers greater effectiveness compared to…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Shuning Xu , Binbin Song , Xiangyu Chen , Xina Liu , Jiantao Zhou

Neural Radiance Fields (NeRF) can be optimized to obtain high-fidelity 3D scene reconstructions of objects and large-scale scenes. However, NeRFs require accurate camera parameters as input -- inaccurate camera parameters result in blurry…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Keunhong Park , Philipp Henzler , Ben Mildenhall , Jonathan T. Barron , Ricardo Martin-Brualla

Recent advancements have showcased the potential of handheld millimeter-wave (mmWave) imaging, which applies synthetic aperture radar (SAR) principles in portable settings. However, existing studies addressing handheld motion errors either…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Yadong Li , Dongheng Zhang , Ruixu Geng , Jincheng Wu , Yang Hu , Qibin Sun , Yan Chen

We propose Intra and Inter Parser-Prompted Transformers (PPTformer) that explore useful features from visual foundation models for image restoration. Specifically, PPTformer contains two parts: an Image Restoration Network (IRNet) for…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Cong Wang , Jinshan Pan , Liyan Wang , Wei Wang

This paper presents an uncalibrated deep neural network framework for the photometric stereo problem. For training models to solve the problem, existing neural network-based methods either require exact light directions or ground-truth…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Berk Kaya , Suryansh Kumar , Carlos Oliveira , Vittorio Ferrari , Luc Van Gool

Hyperspectral image (HSI) denoising is a crucial preprocessing step for subsequent tasks. The clean HSI usually reside in a low-dimensional subspace, which can be captured by low-rank and sparse representation, known as the physical prior…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Jin Ye , Fengchao Xiong , Jun Zhou , Yuntao Qian

Many tasks performed by autonomous vehicles such as road marking detection, object tracking, and path planning are simpler in bird's-eye view. Hence, Inverse Perspective Mapping (IPM) is often applied to remove the perspective effect from a…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Tom Bruls , Horia Porav , Lars Kunze , Paul Newman

Semantic segmentation of remote sensing imagery demands precise spatial boundaries and robust intra-class consistency, challenging conventional hierarchical models. To address limitations arising from spatial domain feature fusion and…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Zhongtao Wang , Xizhe Cao , Yisong Chen , Guoping Wang

The image signal processor (ISP) pipeline in modern cameras consists of several modules that transform raw sensor data into visually pleasing images in a display color space. Among these, the auto white balance (AWB) module is essential for…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Luxi Zhao , Mahmoud Afifi , Michael S. Brown

Deep neural networks as image priors have been recently introduced for problems such as denoising, super-resolution and inpainting with promising performance gains over hand-crafted image priors such as sparsity and low-rank. Unlike learned…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Gauri Jagatap , Chinmay Hegde

Keypoint detection and local feature description are fundamental tasks in robotic perception, critical for applications such as SLAM, robot localization, feature matching, pose estimation, and 3D mapping. While existing methods…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jiakai Lin , Jinchang Zhang , Guoyu Lu

A blind compressive sensing algorithm is proposed to reconstruct hyperspectral images from spectrally-compressed measurements.The wavelength-dependent data are coded and then superposed, mapping the three-dimensional hyperspectral datacube…

计算机视觉与模式识别 · 计算机科学 2015-10-28 Xin Yuan , Tsung-Han Tsai , Ruoyu Zhu , Patrick Llull , David Brady , Lawrence Carin

The goal of image restoration (IR), a fundamental issue in computer vision, is to restore a high-quality (HQ) image from its degraded low-quality (LQ) observation. Multiple HQ solutions may correspond to an LQ input in this poorly posed…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Zeyu Xiao , Jiawang Bai , Zhihe Lu , Zhiwei Xiong

Understanding the mechanisms underlying deep neural networks remains a fundamental challenge in machine learning and computer vision. One promising, yet only preliminarily explored approach, is feature inversion, which attempts to…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Jan Rathjens , Shirin Reyhanian , David Kappel , Laurenz Wiskott

In this paper we show how to perform scene-level inverse rendering to recover shape, reflectance and lighting from a single, uncontrolled image using a fully convolutional neural network. The network takes an RGB image as input, regresses…

计算机视觉与模式识别 · 计算机科学 2021-02-15 Ye Yu , William A. P. Smith