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A major challenge for high dynamic range (HDR) image reconstruction from multi-exposed low dynamic range (LDR) images, especially with dynamic scenes, is the extraction and merging of relevant contextual features in order to suppress any…

图像与视频处理 · 电气工程与系统科学 2022-11-09 Lingkai Zhu , Fei Zhou , Bozhi Liu , Orcun Göksel

Camera fingerprints are precious tools for a number of image forensics tasks. A well-known example is the photo response non-uniformity (PRNU) noise pattern, a powerful device fingerprint. Here, to address the image forgery localization…

计算机视觉与模式识别 · 计算机科学 2018-08-30 Davide Cozzolino , Luisa Verdoliva

With the emergence of GAN, face forgery technologies have been heavily abused. Achieving accurate face forgery detection is imminent. Inspired by remote photoplethysmography (rPPG) that PPG signal corresponds to the periodic change of skin…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Jiahao Liang , Weihong Deng

In the emerging commercial space industry there is a drastic increase in access to low cost satellite imagery. The price for satellite images depends on the sensor quality and revisit rate. This work proposes to bridge the gap between image…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Gaurav Kumar Nayak , Saksham Jain , R Venkatesh Babu , Anirban Chakraborty

We introduce FusionRF, a novel framework for digital surface reconstruction from satellite multispectral and panchromatic images. Current work has demonstrated the increased accuracy of neural photogrammetry for surface reconstruction from…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Michael Sprintson , Rama Chellappa , Cheng Peng

The quick and accurate retrieval of an object height from a single fringe pattern in Fringe Projection Profilometry has been a topic of ongoing research. While a single shot fringe to depth CNN based method can restore height map directly…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Yixiao Wang , Canlin Zhou , Xingyang Qi , Hui Li

The proliferation of sophisticated deepfake technology poses significant challenges to digital security and authenticity. Detecting these forgeries, especially across a wide spectrum of manipulation techniques, requires robust and…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Kohou Wang , Huan Hu , Xiang Liu , Zezhou Chen , Ping Chen , Zhaoxiang Liu , Shiguo Lian

Advanced manipulation techniques have provided criminals with opportunities to make social panic or gain illicit profits through the generation of deceptive media, such as forged face images. In response, various deepfake detection methods…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Ruiyang Xia , Decheng Liu , Jie Li , Lin Yuan , Nannan Wang , Xinbo Gao

In recent years, an ever-increasing number of remote satellites are orbiting the Earth which streams vast amount of visual data to support a wide range of civil, public and military applications. One of the key information obtained from…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Kang Zhao , Muhammad Kamran , Gunho Sohn

Most of the face hallucination methods are designed for complete inputs. They will not work well if the inputs are very tiny or contaminated by large occlusion. Inspired by this fact, we propose an obscured face hallucination…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Lianping Yang , Bin Shao , Ting Sun , Song Ding , Xiangde Zhang

Feature point detection and description is the backbone for various computer vision applications, such as Structure-from-Motion, visual SLAM, and visual place recognition. While learning-based methods have surpassed traditional handcrafted…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Ali Youssef , Francisco Vasconcelos

Most current NeRF variants for satellites are designed for one specific scene and fall short of generalization to new geometry. Additionally, the RGB images require pan-sharpening as an independent preprocessing step. This paper introduces…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Tongtong Zhang , Yuanxiang Li

Pansharpening aims to generate high-resolution multispectral (HRMS) images by fusing low-resolution multispectral (LRMS) and high-resolution panchromatic (PAN) images. Although deep learning has advanced this field, mainstream…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jianing Zhang , Zijian Zhou , Kai Sun

Hyperspectral image classification (HSIC) has been significantly advanced by deep learning methods that exploit rich spatial-spectral correlations. However, existing approaches still face fundamental limitations: transformer-based models…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Muhammad Ahmad

Modern deep Super-Resolution (SR) networks have established themselves as valuable techniques in image reconstruction and enhancement. However, these networks are normally trained and tested on benchmark image data that lacks the typical…

图像与视频处理 · 电气工程与系统科学 2021-03-12 Jack White , Alex Codoreanu , Ignacio Zuleta , Colm Lynch , Giovanni Marchisio , Stephen Petrie , Alan R. Duffy

Target classification is a fundamental task in radar systems, and its performance critically depends on the quantization precision of the signal. While high-precision quantization (e.g. 16-bit) is well established, 1-bit quantization offers…

信号处理 · 电气工程与系统科学 2025-12-18 Jundong Qi , Weize Sun , Shaowu Chen , Lei Huang , Qiuchen Liu

Our research focuses on few-shot fine-grained image classification, which faces two major challenges: appearance similarity of fine-grained objects and limited number of samples. To preserve the appearance details of images, traditional…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Shulei Qiu , Wanqi Yang , Ming Yang

Recent algorithms for image manipulation detection almost exclusively use deep network models. These approaches require either dense pixelwise groundtruth masks, camera ids, or image metadata to train the networks. On one hand, constructing…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Susmit Agrawal , Prabhat Kumar , Siddharth Seth , Toufiq Parag , Maneesh Singh , Venkatesh Babu

Recently, deep learning techniques have been extensively studied for pansharpening, which aims to generate a high resolution multispectral (HRMS) image by fusing a low resolution multispectral (LRMS) image with a high resolution…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Xiangyong Cao , Yang Chen , Wenfei Cao

We present HIPNet, a neural implicit pose network trained on multiple subjects across many poses. HIPNet can disentangle subject-specific details from pose-specific details, effectively enabling us to retarget motion from one subject to…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Sourav Biswas , Kangxue Yin , Maria Shugrina , Sanja Fidler , Sameh Khamis