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Related papers: Generative Anonymization in Event Streams

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Traditional RGB-based speech generation faces Temporal Granularity Mismatch since fixed camera exposure times inevitably blur the high-frequency articulatory transients essential for rendering emotional speech. To break this ceiling, we…

Multimedia · Computer Science 2026-05-27 Jingping Fang , Lin Chen , Chenyang Xu , Tong Zhao , Weidong Cai , Xiaoming Chen

Large-scale image datasets frequently contain identifiable or sensitive content, raising privacy risks when training models that may memorize and leak such information. We present Unsafe2Safe, a fully automated pipeline that detects…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Mih Dinh , SouYoung Jin

Event cameras excel at high-speed, low-power, and high-dynamic-range scene perception. However, as they fundamentally record only relative intensity changes rather than absolute intensity, the resulting data streams suffer from a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Gang Xu , Zhiyu Zhu , Junhui Hou

Knowledge distillation in neural networks refers to compressing a large model or dataset into a smaller version of itself. We introduce Privacy Distillation, a framework that allows a text-to-image generative model to teach another model…

Generative techniques for image anonymization have great potential to generate datasets that protect the privacy of those depicted in the images, while achieving high data fidelity and utility. Existing methods have focused extensively on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Luca Piano , Pietro Basci , Fabrizio Lamberti , Lia Morra

With the increasing deployment of intelligent sensing technologies in highly sensitive environments such as restrooms and locker rooms, visual surveillance systems face a profound privacy-security paradox. Existing privacy-preserving…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Huan Song , Shuyu Tian , Ting Long , Jiang Liu , Cheng Yuan , Zhenyu Jia , Jiawei Shao , Xuelong Li

Anonymization plays a key role in protecting sensible information of individuals in real world datasets. Self-driving cars for example need high resolution facial features to track people and their viewing direction to predict future…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Pascal Zwick , Kevin Roesch , Marvin Klemp , Oliver Bringmann

Face deidentification is an active topic amongst privacy and security researchers. Early deidentification methods relying on image blurring or pixelization were replaced in recent years with techniques based on formal anonymity models that…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Blaž Meden , Refik Can Mallı , Sebastjan Fabijan , Hazım Kemal Ekenel , Vitomir Štruc , Peter Peer

Event cameras produce asynchronous event streams that are spatially sparse yet temporally dense. Mainstream event representation learning algorithms typically use event frames, voxels, or tensors as input. Although these approaches have…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Futian Wang , Fan Zhang , Xiao Wang , Mengqi Wang , Dexing Huang , Jin Tang

Existing event stream-based pattern recognition models usually represent the event stream as the point cloud, voxel, image, etc., and design various deep neural networks to learn their features. Although considerable results can be achieved…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Lan Chen , Dong Li , Xiao Wang , Pengpeng Shao , Wei Zhang , Yaowei Wang , Yonghong Tian , Jin Tang

Event cameras have emerged as a promising vision sensor in recent years due to their unparalleled temporal resolution and dynamic range. While registration of 2D RGB images to 3D point clouds is a long-standing problem in computer vision,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Xiuhong Lin , Changjie Qiu , Zhipeng Cai , Siqi Shen , Yu Zang , Weiquan Liu , Xuesheng Bian , Matthias Müller , Cheng Wang

Event cameras sense intensity changes and have many advantages over conventional cameras. To take advantage of event cameras, some methods have been proposed to reconstruct intensity images from event streams. However, the outputs are still…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Lin Wang , Tae-Kyun Kim , Kuk-Jin Yoon

Reconstructing intensity frames from event data while maintaining high temporal resolution and dynamic range is crucial for bridging the gap between event-based and frame-based computer vision. Previous approaches have depended on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Zipeng Wang , Yunfan Lu , Lin Wang

Event cameras are activity-driven bio-inspired vision sensors, thereby resulting in advantages such as sparsity,high temporal resolution, low latency, and power consumption. Given the different sensing modality of event camera and high…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Lakshmi Annamalai , Vignesh Ramanathan , Chetan Singh Thakur

Multi-modal retrieval-augmented generation (MRAG) systems retrieve visual evidence from large image corpora to ground the responses of large multi-modal models, yet the retrieved images frequently contain human faces whose identities…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zehua Cheng , Wei Dai , Jiahao Sun

Event-based cameras are bio-inspired novel sensors that asynchronously record changes in illumination in the form of events, thus resulting in significant advantages over conventional cameras in terms of low power utilization, high dynamic…

Machine Learning · Statistics 2020-02-18 Lakshmi Annamalai , Anirban Chakraborty , Chetan Singh Thakur

Event-based vision, characterized by low redundancy, focus on dynamic motion, and inherent privacy-preserving properties, naturally fits the demands of video anomaly detection (VAD). However, the absence of dedicated event-stream anomaly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Peng Wu , Yuting Yan , Guansong Pang , Yujia Sun , Qingsen Yan , Peng Wang , Yanning Zhang

We propose DarkStream, a streaming speech synthesis model for real-time speaker anonymization. To improve content encoding under strict latency constraints, DarkStream combines a causal waveform encoder, a short lookahead buffer, and…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-08 Waris Quamer , Ricardo Gutierrez-Osuna

We introduce GS2E (Gaussian Splatting to Event), a large-scale synthetic event dataset for high-fidelity event vision tasks, captured from real-world sparse multi-view RGB images. Existing event datasets are often synthesized from dense RGB…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Yuchen Li , Chaoran Feng , Zhenyu Tang , Kaiyuan Deng , Wangbo Yu , Yonghong Tian , Li Yuan

We introduce a novel formulation of visual privacy preservation for video foundation models that operates entirely in the latent space. While spatio-temporal features learned by foundation models have deepened general understanding of video…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Joseph Fioresi , Ishan Rajendrakumar Dave , Mubarak Shah