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The rapid advancements in computer graphics have greatly enhanced the quality of computer-generated images (CGI), making them increasingly indistinguishable from authentic images captured by digital cameras (ADI). This indistinguishability…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Preeti Mehta , Aman Sagar , Suchi Kumari

\textbf{Purpose} This study aims to address the growing challenge of distinguishing computer-generated imagery (CGI) from authentic digital images in the RGB color space. Given the limitations of existing classification methods in handling…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Preetu Mehta , Aman Sagar , Suchi Kumari

This study aims to address the growing challenge of distinguishing computer-generated imagery (CGI) from authentic digital images across three different color spaces; RGB, YCbCr, and HSV. Given the limitations of existing classification…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Preeti Mehta , Aman Sagar , Suchi Kumari

Instance segmentation performance in remote sensing images (RSIs) is significantly affected by two issues: how to extract accurate boundaries of objects from remote imaging through the dynamic atmosphere, and how to integrate the mutual…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Dawen Yu , Shunping Ji

Image forensics has become increasingly crucial in our daily lives. Among various types of forgeries, copy-move forgery detection has received considerable attention within the academic community. Keypoint-based algorithms, particularly…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Li Jiang , Zhaowei Lu

Arbitrary text appearance poses a great challenge in scene text recognition tasks. Existing works mostly handle with the problem in consideration of the shape distortion, including perspective distortions, line curvature or other style…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Chengwei Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Fei Wu , Futai Zou

We explore means to advance source camera identification based on sensor noise in a data-driven framework. Our focus is on improving the sensor pattern noise (SPN) extraction from a single image at test time. Where existing works suppress…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Matthias Kirchner , Cameron Johnson

Image restoration is a long-standing low-level vision problem that aims to restore high-quality images from low-quality images (e.g., downscaled, noisy and compressed images). While state-of-the-art image restoration methods are based on…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Jingyun Liang , Jiezhang Cao , Guolei Sun , Kai Zhang , Luc Van Gool , Radu Timofte

Susceptibility Map Weighted Imaging (SMWI) is an advanced magnetic resonance imaging technique used to detect nigral hyperintensity in Parkinsons disease. However, full resolution SMWI acquisition is limited by long scan times. Efficient…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Muhammad Usman , Sung-Min Gho

Image inpainting consists of filling holes or missing parts of an image. Inpainting face images with symmetric characteristics is more challenging than inpainting a natural scene. None of the powerful existing models can fill out the…

计算机视觉与模式识别 · 计算机科学 2023-01-10 MohammadReza Naderi , MohammadHossein Givkashi , Nader Karimi , Shahram Shirani , Shadrokh Samavi

Detecting the source model of AI-generated images is a growing accountability problem. AI fingerprinting techniques address this by detecting imperceptible patterns in the images that are unique to each model, achieving high detection…

密码学与安全 · 计算机科学 2026-05-06 Kai Yao , Marc Juarez

Model inversion is a widely adopted technique in data-free learning that reconstructs synthetic inputs from a pretrained model through iterative optimization, without access to original training data. Unfortunately, its application to…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Seongsoo Heo , Dong-Wan Choi

An increasing number of classification approaches have been developed to address the issue of image rebroadcast and recapturing, a standard attack strategy in insurance frauds, face spoofing, and video piracy. However, most of them…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Preeti Mehta , Aman Sagar , Suchi Kumari

Patch-Match is an efficient algorithm used for structural image editing and available as a tool on popular commercial photo-editing software. The tool allows users to insert or remove objects from photos using information from similar scene…

图像与视频处理 · 电气工程与系统科学 2019-07-01 Ahmet Karaküçük , Ahmet Emir Dirik

The proliferation of deepfake technology poses significant challenges to the authenticity and trustworthiness of digital media, necessitating the development of robust detection methods. This study explores the application of Swin…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Aprille J. Xi , Eason Chen

Encoding the Region Of Interest (ROI) with better quality than the background has many applications including video conferencing systems, video surveillance and object-oriented vision tasks. In this paper, we propose a ROI-based image…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Binglin Li , Jie Liang , Haisheng Fu , Jingning Han

This communication is about an application of image forensics where we use camera sensor fingerprints to identify source camera (SCI: Source Camera Identification) in webcam/smartphone videos. Sensor or camera fingerprints are based on…

图像与视频处理 · 电气工程与系统科学 2022-01-28 Fernando Martín-Rodríguez , Fernando Isasi-de-Vicente

With the rapid development of image generation technologies, especially the advancement of Diffusion Models, the quality of synthesized images has significantly improved, raising concerns among researchers about information security. To…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Weinan Guan , Wei Wang , Bo Peng , Ziwen He , Jing Dong , Haonan Cheng

Convolutional neural networks (CNNs) have been widely utilized in many computer vision tasks. However, CNNs have a fixed reception field and lack the ability of long-range perception, which is crucial to human pose estimation. Due to its…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Zinan Xiong , Chenxi Wang , Ying Li , Yan Luo , Yu Cao

3D Swin Transformer (3D-ST) known for its hierarchical attention and window-based processing, excels in capturing intricate spatial relationships within images. Spatial-spectral Transformer (SST), meanwhile, specializes in modeling…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Muhammad Ahmad , Manuel Mazzara , Salvatore Distifano
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