yusuke1997/dblp-id-title huggingface dataset:
On Model Outsourcing Adaptive Attacks to Deep Learning Backdoor Defenses
Steganalysis Features for Content-Adaptive JPEG Steganography
Real-Time Digital Signatures for Time-Critical Networks
JCS-Net: Joint Classification and Super-Resolution Network for Small-Scale Pedestrian Detection in Surveillance Images
Adversarial Example Soups: Improving Transferability and Stealthiness for Free
Traceable CP-ABE: How to Trace Decryption Devices Found in the Wild
Image Forgery Localization via Fine-Grained Analysis of CFA Artifacts
Constant Modulus Secure Beamforming for Multicast Massive MIMO Wiretap Channels
Playing With Blocks: Toward Re-Usable Deep Learning Models for Side-Channel Profiled Attacks
Efficient Forward-Edge Control-Flow Integrity for COTS Binaries via Arm BTI
Secure Cooperative Communications With an Untrusted Relay: A NOMA-Inspired Jamming and Relaying Approach
Three-Hop Untrusted Relay Networks With Hardware Imperfections and Channel Estimation Errors for Internet of Things
Multiclass Detector of Current Steganographic Methods for JPEG Format
A Study of Age and Ageing in Fingerprint Biometrics
ExpSOS: Secure and Verifiable Outsourcing of Exponentiation Operations for Mobile Cloud Computing
A POMDP Approach to the Dynamic Defense of Large-Scale Cyber Networks
Bio-Protocol Watermarking on Digital Microfluidic Biochips
Achieving Covert Communication With a Probabilistic Jamming Strategy
Jamming-Resistant Receivers for the Massive MIMO Uplink
MPSteg-color: data hiding through redundant basis decomposition
Performance Analysis of Robust Audio Hashing
Classification of Encrypted Traffic With Second-Order Markov Chains and Application Attribute Bigrams
Exploiting Spatio-Temporal Scene Structure for Wide-Area Activity Analysis in Unconstrained Environments
Resilient Path Planning for UAVs in Data Collection Under Adversarial Attacks
Efficient Fair Conditional Payments for Outsourcing Computations
A General Purpose Data and Query Privacy Preserving Protocol for Wireless Sensor Networks
ME-FAS: Multimodal Text Enhancement for Cross-Domain Face Anti-Spoofing
Security Implications of Intentional Capacitive Crosstalk
Comments on "Control Cloud Data Access Privilege and Anonymity With Fully Anonymous Attribute-Based Encryption"
Robust Proxy: Improving Adversarial Robustness by Robust Proxy Learning
Quantifying Privacy Risks of Behavioral Semantics in Mobile Communication Services
iPrivacy: Image Privacy Protection by Identifying Sensitive Objects via Deep Multi-Task Learning
Mobility-Assisted Covert Communication Over Wireless Ad Hoc Networks
ECG Biometric Recognition: A Comparative Analysis
Reverse JPEG Compatibility Attack
Robust Broadcasting of Common and Confidential Messages Over Compound Channels: Strong Secrecy and Decoding Performance
Functionality-Verification Attack Framework Based on Reinforcement Learning Against Static Malware Detectors
Resilient Distributed State Estimation Under Stealthy Attack
Person-Specific Face Antispoofing With Subject Domain Adaptation
PIECE: Incentivizing Personalized Privacy-Preserving for Multi-Version Model Marketplace in Federated Learning
CSFAdv: Critical Semantic Fusion Guided Least-Effort Adversarial Example Attacks
Hypothesis Testing Under Mutual Information Privacy Constraints in the High Privacy Regime
Harnessing Node Multiplicity for Detecting and Mitigating False Data in Wireless Relay Networks
A Scalable Architecture for Uncompressed-Domain Watermarked Videos
TANTRA: Timing-Based Adversarial Network Traffic Reshaping Attack
Adversarial Waveform Design for Wireless Transceivers Toward Intelligent Eavesdropping
Transferable Stealthy Adversarial Example Generation via Dual-Latent Adaptive Diffusion for Facial Privacy Protection
Exploring Fine-Grained Representation and Recomposition for Cloth-Changing Person Re-Identification
Efficient and Accurate At-a-Distance Iris Recognition Using Geometric Key-Based Iris Encoding
Authentication Scheme for Flexible Charging and Discharging of Mobile Vehicles in the V2G Networks
CryptojackingTrap: An Evasion Resilient Nature-Inspired Algorithm to Detect Cryptojacking Malware
Impact of Outdated CSI on the Secrecy Performance of Wireless-Powered Untrusted Relay Networks
A Multiscale Discriminative Attack Method for Automatic Modulation Classification
A Video Visual Security Metric Based on Spatiotemporal Self-Attention
SauronEyes: Disentangling Voluminous Logs to Unveil Camouflaged Attack Intentions
A Strategy-Making Method for PIoT PLC Honeypoint Defense Against Attacks Based on the Time-Delay Evolutionary Game
Your Model Trains on My Data? Protecting Intellectual Property of Training Data via Membership Fingerprint Authentication
Lightweight Privacy-Preserving Cross-Cluster Federated Learning With Heterogeneous Data
Distributed Differential Privacy via Shuffling Versus Aggregation: A Curious Study
NTD: Non-Transferability Enabled Deep Learning Backdoor Detection
Blockchain-Enabled Computing Offloading and Resource Allocation in Multi-UAVs MEC Network: A Stackelberg Game Learning Approach
On the Optimality of Keyless Authentication in a Noisy Model
Privacy for Free: Spy Attack in Vertical Federated Learning by Both Active and Passive Parties
Simplified MAP Detector for Binary Fingerprinting Code Embedded by Spread Spectrum Watermarking Scheme
Prototype Correction via Contrastive Augmentation for Few-Shot Unconstrained Palmprint Recognition
Dictionary Attacks on Speaker Verification
CILP-FGDI: Exploiting Vision-Language Model for Generalizable Person Re-Identification
Security of autoregressive speech watermarking model under guessing attack
Text Backdoor Detection Using an Interpretable RNN Abstract Model
Detection of Double Compressed AMR Audio Using Stacked Autoencoder
GuardBox: A High-Performance Middlebox Providing Confidentiality and Integrity for Packets
FedForgery: Generalized Face Forgery Detection With Residual Federated Learning
Joint Beamforming Alignment With Suboptimal Power Allocation for a Two-Way Untrusted Relay Network
STAR-RIS-Enabled Secure Dual-Functional Radar-Communications: Joint Waveform and Reflective Beamforming Optimization
An Evaluation of Image Sampling and Compression for Human Iris Recognition
Enhancing Malware Classification via Self-Similarity Techniques
Nash Equilibrium Control Policy Against Bus-off Attacks in CAN Networks
Vulseye: Detect Smart Contract Vulnerabilities via Stateful Directed Graybox Fuzzing
Find It With A Pencil: An Efficient Approach for Vulnerability Detection in Authentication Protocols
JEDI: Joint and Effective Privacy Preserving Outsourced Set Intersection and Data Integration Protocols
DRCAD: Dual-View Experts Routing and Counterfactual Generation for Explainable Time Series Anomaly Detection
Detecting DeFi Fraud With a Graph-Transformer Language Model
On Privacy of Dynamical Systems: An Optimal Probabilistic Mapping Approach
Role-Based Cryptosystem: A New Cryptographic RBAC System Based on Role-Key Hierarchy
Modeling and Extending the Ensemble Classifier for Steganalysis of Digital Images Using Hypothesis Testing Theory
Watermarking robustness evaluation based on perceptual quality via genetic algorithms
Analysis and Improvement of a PIN-Entry Method Resilient to Shoulder-Surfing and Recording Attacks
Election audits using a trinomial bound
Scope: On Detecting Constrained Backdoor Attacks in Federated Learning
High Resolution Fingerprint Retrieval Based on Pore Indexing and Graph Comparison
Binarized Internal Fingerprint Reconstruction From Optical Coherence Tomography Based on Image Region Regression
On the Security of Key Extraction From Measuring Physical Quantities
Modeling, Critical Threshold, and Lowest-Cost Patching Strategy of Malware Propagation in Heterogeneous IoT Networks
Grid-Based Likelihood Ratio Classifiers for the Comparison of Facial Marks
Behavior forensics for scalable multiuser collusion: fairness versus effectiveness
DroidCat: Effective Android Malware Detection and Categorization via App-Level Profiling
Rethinking Secure Resource Allocation: When NOMA Meets Finite Blocklength
Privacy-Preserving Boosting in the Local Setting
Provably Secure and Robust Audio Steganography Under Multi-Format Low-Bitrate Compression
Over-the-Air Federated Learning With Joint Privacy-Accuracy Optimization
StirTraceV2.0: Enhanced Benchmarking and Tuning of Printed Fingerprint Detection
Modality and Camera Factors Bi-Disentanglement for NIR-VIS Object Re-Identification
DoS-Resilient Load Frequency Control of Multi-Area Power Systems: An Attack-Parameter-Dependent Approach
GIFDL: Generated Image Fluctuation Distortion Learning for Enhancing Steganographic Security
De-Anonymizing Monero: A Maximum Weighted Matching-Based Approach
Defending Against Membership Inference Attack for Counterfactual Federated Recommendation With Differentially Private Representation Learning
MEG: Memory and Energy Efficient Garbled Circuit Evaluation on Smartphones
Strong, Neutral, or Weak: Exploring the Impostor Score Distribution
Detecting Locally, Patching Globally: An End-to-End Framework for High Speed and Accurate Detection of Fingerprint Minutiae
Cracking More Password Hashes With Patterns
Modality-Specific Interactive Attack for Vision-Language Pre-Training Models
Modern Privacy-Preserving Record Linkage Techniques: An Overview
A DNN Fingerprint for Non-Repudiable Model Ownership Identification and Piracy Detection
Learning for Meta-Recognition
Single-Leader-Multiple-Followers Stackelberg Security Game With Hypergame Framework
An FPGA-Based Network Intrusion Detection Architecture
Enhancing Networked Control Systems Resilience Against DoS Attacks: A Data-Driven Approach With Adaptive Sampled-Data and Compression
Short-HotStuff: Two-Chain BFT Algorithm With Linear Complexity and Optimistic Responsiveness
Secure and Efficient Data Interoperability Protocols for Multi-Blockchains Systems
Hidden Ciphertext Policy Attribute-Based Encryption Under Standard Assumptions
Environmental-Variation-Tolerant Magnetic Tunnel Junction-Based Physical Unclonable Function Cell With Auto Write-Back Technique
PrivateLink : Privacy-Preserving Integration and Sharing of Datasets
Collusion-Resistant Video Fingerprinting for Large User Group
Secure and Privacy-Preserving Distributed Kalman Filtering for Sensor Networks With Event-Triggered Mechanism
Automatically Dismantling Online Dating Fraud
Efficient and Secure Quantile Aggregation of Private Data Streams
Controllable Identifier Measurements for Private Authentication With Secret Keys
An Effective Node Injection Approach for Attacking Social Network Alignment
MIMO Interference Channel With Confidential Messages: Achievable Secrecy Rates and Precoder Design
KeystrokeSniffer: An Off-the-Shelf Smartphone Can Eavesdrop on Your Privacy From Anywhere
Sequence Covering for Efficient Host-Based Intrusion Detection
A Design Framework for Strongly χ²-Private Data Disclosure
Transfer-Path-Based Hardware-Reuse Strong PUF Achieving Modeling Attack Resilience With200 Million Training CRPs
Secure Transmission Design in HARQ Assisted Cognitive NOMA Networks
Digital camera identification from sensor pattern noise
Efficient Source Detection in Incomplete Networks via Sensor Deployment and Source Approaching
Hidden Path: Understanding the Intermediary in Malicious Redirections
Learning Fingerprint Reconstruction: From Minutiae to Image
Privacy-Preserving ECG Classification With Branching Programs and Neural Networks
ABP-DKM: An Efficient Decentralized Key Management Scheme Based on Asymmetric Bivariate Polynomial
Hybrid Static-Runtime Information Flow and Declassification Enforcement
MTVDGAN: Multi-Token-ViT Dense GAN for Robust Screen-Shooting Watermarking
Adversarial Adaptive Neighborhood With Feature Importance-Aware Convex Interpolation
Integrated Security Analysis on Cascading Failure in Complex Networks
Deep Conditional Distribution Learning for Age Estimation
Reversible Steganography for VQ-Compressed Images Using Side Matching and Relocation
Homogeneous and Heterogeneous Feed-Forward XOR Physical Unclonable Functions
PDF Investigation With Parser Differentials and Ontology
Defending Against Model Inversion Attack via Feature Purification
Robustness Matters: Pre-Training Can Enhance the Performance of Encrypted Traffic Analysis
Boundaries as an Enhancement Technique for Physical Layer Security
Transaction-Pattern-Based Anomaly Detection Algorithm for IP Multimedia Subsystem
Finding More Hints - Improved Power Analysis Attacks on Dilithium
Looking Clearer With Text: A Hierarchical Context Blending Network for Occluded Person Re-Identification
Brain waves for automatic biometric-based user recognition
Succinct Hash-Based Arbitrary-Range Proofs
Fast Estimation of Optimal Marked-Signal Distribution for Reversible Data Hiding
Fingerprint Retrieval for Identification
On Mixing Authenticated and Non-Authenticated Signals Against GNSS Spoofing
Source Printer Classification Using Printer Specific Local Texture Descriptor
DPDeno: A Post-Processing Framework for Releasing Differentially Private Spatio-Temporal Mobility Features
LoPub: High-Dimensional Crowdsourced Data Publication With Local Differential Privacy
MantleMark: Migrating Watermarks From Multi-View Images to Radiance Fields via Frequency Modulation
Wrongdoing Monitor: A Graph-Based Behavioral Anomaly Detection in Cyber Security
FedComm: A Privacy-Enhanced and Efficient Authentication Protocol for Federated Learning in Vehicular Ad-Hoc Networks
PKDGA: A Partial Knowledge-Based Domain Generation Algorithm for Botnets
Early Network Intrusion Detection Enabled by Attention Mechanisms and RNNs
Significance of Subband Features for Synthetic Speech Detection
An Efficient Privacy-Preserving Outsourced Calculation Toolkit With Multiple Keys
Hand-Shape Biometrics Combining the Visible and Short-Wave Infrared Bands
Using Highly Compressed Gradients in Federated Learning for Data Reconstruction Attacks
Parameter Interpolation Adversarial Training for Robust Image Classification
Ruyi: A Configurable and Efficient Secure Multi-Party Learning Framework With Privileged Parties
A Method of Few-Shot Network Intrusion Detection Based on Meta-Learning Framework
Physical Layer Security in Downlink of Cell-Free Massive MIMO With Imperfect CSI
Privacy-Enhancing Face Biometrics: A Comprehensive Survey
Duplicity Games for Deception Design With an Application to Insider Threat Mitigation
Estimating Fingerprint Pose via Dense Voting
Achieving Secure Role-Based Access Control on Encrypted Data in Cloud Storage
Finite Blocklength Analysis of Gaussian Random Coding in AWGN Channels Under Covert Constraint
Dual-Server Public-Key Encryption With Keyword Search for Secure Cloud Storage
Active Content Fingerpriting
Secure Communication for Amplify-and-Forward Relay Networks With Finite Alphabet Input
Toward Adversarially Robust Recommendation From Adaptive Fraudster Detection
Detecting Deceptive Behavior via Learning Relation-Aware Visual Representations
Secrecy Transmission With a Helper: To Relay or to Jam
Privacy-Preserving Localization for Underwater Sensor Networks via Deep Reinforcement Learning
A General Framework of Wiretap Channel With Helping Interference and State Information
Data Acquisition and Processing of 3-D Fingerprints
GC-DRQN: Enhancing Radar Anti-Jamming Performance With Supervised Auxiliary Tasks and Deterministic Rewards
Machine Learning Security in Industry: A Quantitative Survey
Semi-Supervised Natural Face De-Occlusion
Heimdall: A Decentralized Access Control Scheme With Time-Based Secret Management and Private Access Policies
On Exploiting Message Leakage in (Few) NIST PQC Candidates for Practical Message Recovery Attacks
Counterfeit Detection Based on Unclonable Feature of Paper Using Mobile Camera
Regression From Uncertain Labels and Its Applications to Soft Biometrics
Attention BLSTM-Based Temporal-Spatial Vein Transformer for Multi-View Finger-Vein Recognition
Kernelized Neighborhood Preserving Hashing for Social-Network-Oriented Digital Fingerprints
Unsupervised Machine Learning-Based Detection of Covert Data Integrity Assault in Smart Grid Networks Utilizing Isolation Forest
PLCPrint: Fingerprinting Memory Attacks in Programmable Logic Controllers
AdvChar: Attacking Interpretable NLP Systems
DeepVMUnProtect: Neural Network-Based Recovery of VM-Protected Android Apps for Semantics-Aware Malware Detection
CR-DAP: A Comprehensive and Regulatory Decentralized Anonymous Payment System
VGGM: Variational Graph Gaussian Mixture Model for Unsupervised Change Point Detection in Dynamic Networks
Artificial-Noise-Aided Secure Multi-User Multi-Antenna Transmission With Quantized CSIT: A Comprehensive Design and Analysis
Look Locally Infer Globally: A Generalizable Face Anti-Spoofing Approach
Frontal-Centers Guided Face: Boosting Face Recognition by Learning Pose-Invariant Features
ToNN: An Oblivious Neural Network Prediction Scheme With Semi-Honest TEE
New Fault-Based Side-Channel Attack Using Fault Sensitivity
Gait Attribute Recognition: A New Benchmark for Learning Richer Attributes From Human Gait Patterns
Constrained Convolutional Neural Networks: A New Approach Towards General Purpose Image Manipulation Detection
Detecting Silicone Mask-Based Presentation Attack via Deep Dictionary Learning
MDSClone: Multidimensional Scaling Aided Clone Detection in Internet of Things
Conjunctive Keyword Search With Dynamic Group-User
SecGrid: A Secure and Efficient SGX-Enabled Smart Grid System With Rich Functionalities
Efficient Group Key Generation Based on Satellite Cluster State Information for Drone Swarm
Fusion Graph Structure Learning-Based Multivariate Time Series Anomaly Detection With Structured Prior Knowledge
Deep Residual Network for Steganalysis of Digital Images
Efficient Sensor Fingerprint Matching Through Fingerprint Binarization
FedPN: Lightweight Privacy-Preserving Federated Learning With Hardness of Learning Periodic Neurons
Fairness-Aware Client Selection and Payment Determination for Differentially Private Federated Learning
Comparative Study of Trust Modeling for Automatic Landmark Tagging
BPVSE: Publicly Verifiable Searchable Encryption for Cloud-Assisted Electronic Health Records
Blockchain Assisted Multi-Copy Provable Data Possession With Faults Localization in Multi-Cloud Storage
Direct Anonymous Attestation With Optimal TPM Signing Efficiency
Statistically Robust Detection of Multiplicative Spread-Spectrum Watermarks
Fast and Parallel Trust Computing Scheme Based on Big Data Analysis for Collaboration Cloud Service
A channel coding approach for human authentication from gait sequences
MAAD-Face: A Massively Annotated Attribute Dataset for Face Images
Dual-Mode Learning for Multi-Dataset X-Ray Security Image Detection
Causal Learning for Robust Specific Emitter Identification Over Unknown Channel Statistics
Encoding Pathlet and SIFT Features With Bagged VLAD for Historical Writer Identification
On Hardware Security Bug Code Fixes by Prompting Large Language Models
A Disguised Wolf Is More Harmful Than a Toothless Tiger: Adaptive and Malicious Code Injection Backdoor Attack Leveraging User Behavior as Triggers
Semantic Face Signatures: Recognizing and Retrieving Faces by Verbal Descriptions
Private Polynomial Computation From Lagrange Encoding
Identifying Social Bots via Heterogeneous Motifs Based on Naïve Bayes Model
On the Security of Trustee-Based Social Authentications
Secure Channel Establishment Scheme for Task Delivery in Vehicular Cloud Computing
Coded Quickest Classification With Applications in Bandwidth-Efficient Smart Grid Monitoring
Quantitative Intellectual Property Protection Using Physical-Level Characterization
SFOM-DT: A Secure and Fair One-to-Many Data Trading Scheme Based on Blockchain
A Cyber-Insurance Scheme for Water Distribution Systems Considering Malicious Cyberattacks
Spatial Models for Human Motion-Induced Signal Strength Variance on Static Links
Verifying in the Dark: Verifiable Machine Unlearning by Using Invisible Backdoor Triggers
CPA-Secure Privacy-Preserving Reversible Data Hiding for JPEG Images
Size-Independent Reliable CNN for RJCA Steganalysis
A Message-Passing Approach to Combating Desynchronization Attacks
Privacy-Enhanced Frequent Sequence Mining and Retrieval for Personalized Behavior Prediction
Quantum Learning Based Nonrandom Superimposed Coding for Secure Wireless Access in 5G URLLC
Integral Pose Learning via Appearance Transfer for Gait Recognition
Resampling Estimation Based RPC Metadata Verification in Satellite Imagery
A Policy-Based Security Architecture for Software-Defined Networks
Sum Secret Key Rate Maximization for TDD Multi-User Massive MIMO Wireless Networks
Lavida: Large-Universe, Verifiable, and Dynamic Fine-Grained Access Control for E-Health Cloud
Control Cloud Data Access Privilege and Anonymity With Fully Anonymous Attribute-Based Encryption
Rethinking Permission Enforcement Mechanism on Mobile Systems
A Secure Mobile Crowdsensing Game With Deep Reinforcement Learning
Blind PRNU-Based Image Clustering for Source Identification
Three Birds With One Stone: User Intention Understanding and Influential Neighbor Disclosure for Injection Attack Detection
Document Recapture Detection Based on a Unified Distortion Model of Halftone Cells
A Privacy-Preserving Scheme With High Utility Over Data Streams in Mobile Crowdsensing
Tamper Detection of JPEG Image Due to Seam Modifications
Ensemble of Multi-View Learning Classifiers for Cross-Domain Iris Presentation Attack Detection
Secrecy Amplification of Distributed Encrypted Sources With Correlated Keys Using Post-Encryption-Compression
Packet Injection Attack and Its Defense in Software-Defined Networks
Design and Performance Analysis of a Virtual Ring Architecture for Smart Grid Privacy
From Blind to Quantitative Steganalysis
HSM-Based Architecture to Detect Insider Attacks on Server-Side Data
Provably Secure Public-Key Steganography Based on Elliptic Curve Cryptography
Roughness-Adaptive 3-D Watermarking Based on Masking Effect of Surface Roughness
Modeling Enlargement Attacks Against UWB Distance Bounding Protocols
Domain Specific Learning for Newborn Face Recognition
Practical Multi-Party Private Set Intersection Protocols
Detecting Spam Movie Review Under Coordinated Attack With Multi-View Explicit and Implicit Relations Semantics Fusion
Toward Personal Data Sharing Autonomy: A Task-Driven Data Capsule Sharing System
DDOA: A Dirichlet-Based Detection Scheme for Opportunistic Attacks in Smart Grid Cyber-Physical System
AHCM: Adaptive Huffman Code Mapping for Audio Steganography Based on Psychoacoustic Model
Intrusion Detection Scheme With Dimensionality Reduction in Next Generation Networks
Improving Transferable Targeted Adversarial Attack via Normalized Logit Calibration and Truncated Feature Mixing
Byzantines Can Also Learn From History: Fall of Centered Clipping in Federated Learning
BOSC: A Backdoor-Based Framework for Open Set Synthetic Image Attribution
Exposing digital forgeries from JPEG ghosts
Sensor Pattern Noise Estimation Based on Improved Locally Adaptive DCT Filtering and Weighted Averaging for Source Camera Identification and Verification
Multimodal Wireless Networks: Communication and Surveillance on the Same Infrastructure
Privacy-Preserving Vertical Federated Learning With Tensor Decomposition for Data Missing Features
Improvement of Min-Entropy Evaluation Based on Pruning and Quantized Deep Neural Network
Secure Adaptive Filtering
Eavesdropping Strategies for Remote State Estimation Under Communication Constraints
Estimating Infection Sources in Networks Using Partial Timestamps
BLMProbe: Enhancing Internet-Connected Device Discovery by Automated Device Labeling and Label Migration
A Non-Markovian Game Approach on Labeled Attack Graphs for Security Decision-Making in Industrial Control Systems
Iris Recognition Based on Human-Interpretable Features
Locally Differentially Private Trajectory Publication Based on Regional Popularity Awareness
Nonlinearity Estimation for Specific Emitter Identification in Multipath Channels
LightGBM-Based Audio Watermarking Robust to Recapturing and Hybrid Attacks
Server-Aided Bilateral Access Control for Secure Data Sharing With Dynamic User Groups
Foundation Models and Biometrics: A Survey and Outlook
HMOG: New Behavioral Biometric Features for Continuous Authentication of Smartphone Users
A Semantically Guided and Focused Network for Occluded Person Re-Identification