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Image manipulation is rapidly evolving, allowing the creation of credible content that can be used to bend reality. Although the results of deepfake detectors are promising, deepfakes can be made even more complicated to detect through…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Davide Alessandro Coccomini , Roberto Caldelli , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Image space feature detection is the act of selecting points or parts of an image that are easy to distinguish from the surrounding image region. By combining a repeatable point detection with a descriptor, parts of an image can be matched…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Alexander Mai , Joseph Menke , Allen Yang

In this paper, we propose a novel paper fingerprinting technique based on analyzing the translucent patterns revealed when a light source shines through the paper. These patterns represent the inherent texture of paper, formed by the random…

密码学与安全 · 计算机科学 2019-05-08 Ehsan Toreini , Siamak F. Shahandashti , Feng Hao

The ever-increasing use of synthetically generated content in different sectors of our everyday life, one for all media information, poses a strong need for deepfake detection tools in order to avoid the proliferation of altered messages.…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Andrea Ciamarra , Roberto Caldelli , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

We introduce the notion of two-level fingerprinting and traceability codes. In this setting, the users are organized in a hierarchical manner by classifying them into various groups; for instance, by dividing the distribution area into…

信息论 · 计算机科学 2009-05-05 N. Prasanth Anthapadmanabhan , Alexander Barg

The aim of this paper is to further explore the usefulness of the two-dimensional complexity-entropy causality plane as a texture image descriptor. A multiscale generalization is introduced in order to distinguish between different…

数据分析、统计与概率 · 物理学 2017-05-17 Luciano Zunino , Haroldo V. Ribeiro

The most widely used method for obtaining high-quality two-dimensional materials is through mechanical exfoliation of bulk crystals. Manual identification of suitable flakes from the resulting random distribution of crystal thicknesses and…

Texture is an important characteristic for many types of images. In recent years very discriminative and computationally efficient local texture descriptors based on local binary patterns (LBP) have been developed, which has led to…

计算机视觉与模式识别 · 计算机科学 2017-01-17 Matti Pietikäinen , Guoying Zhao

Methods from computational topology are becoming more and more popular in computer vision and have shown to improve the state-of-the-art in several tasks. In this paper, we investigate the applicability of topological descriptors in the…

计算机视觉与模式识别 · 计算机科学 2017-10-31 Matthias Zeppelzauer , Bartosz Zielinski , Mateusz Juda , Markus Seidl

We investigate the concept of deep barcodes and propose two methods to generate them in order to expedite the process of classification and retrieval of histopathology images. Since binary search is computationally less expensive, in terms…

图像与视频处理 · 电气工程与系统科学 2018-05-24 Meghana Dinesh Kumar , Morteza Babaie , Hamid Tizhoosh

For objected detection, the availability of color cues strongly influences detection rates and is even a prerequisite for many methods. However, when training on synthetic CAD data, this information is not available. We therefore present a…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Pavel Rojtberg , Arjan Kuijper

We introduce FabricDiffusion, a method for transferring fabric textures from a single clothing image to 3D garments of arbitrary shapes. Existing approaches typically synthesize textures on the garment surface through 2D-to-3D texture…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Cheng Zhang , Yuanhao Wang , Francisco Vicente Carrasco , Chenglei Wu , Jinlong Yang , Thabo Beeler , Fernando De la Torre

Latent Diffusion Models (LDMs) enable a wide range of applications but raise ethical concerns regarding illegal utilization. Adding watermarks to generative model outputs is a vital technique employed for copyright tracking and mitigating…

密码学与安全 · 计算机科学 2025-06-02 Liangqi Lei , Keke Gai , Jing Yu , Liehuang Zhu

The rapid development of Deepfake technology poses severe challenges to social trust and information security. While most existing detection methods primarily rely on passive analyses, due to unresolvable high-quality Deepfake contents,…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xiao Zhang , Changfang Chen , Tianyi Wang

We consider the problem of referring camouflaged object detection (Ref-COD), a new task that aims to segment specified camouflaged objects based on a small set of referring images with salient target objects. We first assemble a large-scale…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Xuying Zhang , Bowen Yin , Zheng Lin , Qibin Hou , Deng-Ping Fan , Ming-Ming Cheng

We propose in this paper a texture-invariant 2D keypoints descriptor specifically designed for matching preoperative Magnetic Resonance (MR) images with intraoperative Ultrasound (US) images. We introduce a matching-by-synthesis strategy,…

Camouflaged object detection is a challenging task that aims to identify objects having similar texture to the surroundings. This paper presents to amplify the subtle texture difference between camouflaged objects and the background for…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Jingjing Ren , Xiaowei Hu , Lei Zhu , Xuemiao Xu , Yangyang Xu , Weiming Wang , Zijun Deng , Pheng-Ann Heng

Deepfake detection remains highly challenging, particularly in cross-dataset scenarios and complex real-world settings. This challenge mainly arises because artifact patterns vary substantially across different forgery methods, whereas…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Xiang Zhang , Wenliang Weng , Daoyong Fu , Beijing Chen , Ziqiang Li , Ziwen He , Zhangjie Fu

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…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Tong Zhang , Fatih Porikli

Realistic color texture generation is an important step in RGB-D surface reconstruction, but remains challenging in practice due to inaccuracies in reconstructed geometry, misaligned camera poses, and view-dependent imaging artifacts. In…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Jingwei Huang , Justus Thies , Angela Dai , Abhijit Kundu , Chiyu Max Jiang , Leonidas Guibas , Matthias Nießner , Thomas Funkhouser