OOIR: Observatory of International Research

Papers

(The H4-Index of IEEE Signal Processing Letters is 37. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Learning Minimal Volume Uncertainty Ellipsoids	183
On Efficient Maximum Likelihood Algorithm for Clutter Suppression	135
Adversarial Attacks on Deep Learning-Based DOA Estimation With Covariance Input	130
Language Model Personalization for Speech Recognition: A Clustered Federated Learning Approach With Adaptive Weight Average	111
Learning Self-Correlation in Space and Time as Motion Representation for Action Recognition	105
Parameter Encoding for ECRB Minimization in the Presence of Jamming	97
A Tighter Converse for the Locally Differentially Private Discrete Distribution Estimation Under the One-bit Communication Constraint	92
Symmetrical Epipolar Features Over Normalized Camera/Projector Calibration Matrices for Real-Time Structured Light Illumination	88
Fine-Scale Face Fitting and Texture Fusion With Inverse Renderer	80
Generalization of Whittle's Formula to Compound-Gaussian Processes	75
A Low Complexity Estimator of Hyperbolic Frequency Modulated Signals	70
Quantile Learn-Then-Test: Quantile-Based Risk Control for Hyperparameter Optimization	69
Adaptive Pattern-Coupled Sparse Bayesian Learning for Channel Estimation in OTFS Systems	64
Semantic-Aware Detail Search and Feature Constraint for Cross-Resolution Person Re-Identification	64
Outlier Indicator Based Projection Fuzzy K-Means Clustering for Hyperspectral Image	64
Learning Discriminative Representations in Videos via Active Embedding Distance Correlation	60
Zero-Redundancy Sparse Array Configuration Design Based on Sum-Difference Coarray	59
A Joint Sonar-Communication System Based on Multicarrier Waveforms	59
Video Complicated-Information Extraction and Filtering Network for Weakly-Supervised Temporal Action Localization	58
Outlier-Resilient Model Fitting via Percentile Losses: Methods for General and Convex Residuals	56
Learning Source-Free Domain Adaptation for Infrared Small Target Detection	55
Ambiguity-Free Broadband DOA Estimation Relying on Parameterized Time-Frequency Transform	55
Conjugate Gradient and Variance Reduction Based Online ADMM for Low-Rank Distributed Networks	47
An Efficient Method for Cooperative Multi-Target Localization in Automotive Radar	45
A Pairwise DomMix Attentive Adversarial Network for Unsupervised Domain Adaptive Object Detection	42

Gaussian Process Convolutional Dictionary Learning	42
Geometry-Aware RWKV for Heterogeneous Light Field Spatial Super-Resolution	42
TIOLI-GAN: A Bargaining for Efficiency	41
Channel Estimation and Beamforming Design for MF-RIS-Aided Communication Systems	41
Sparse Non-Linear Vector Autoregressive Networks for Multivariate Time Series Anomaly Detection	40
Message Passing Based Gaussian Mixture Model for DOA Estimation in Complex Noise Scenarios	40
Channel Estimation for Massive MIMO-OTFS System in Asymmetrical Architecture	39
Revisiting Few-Shot Compositional Action Recognition With Knowledge Calibration	39
MFAN: A Multi-Projection Fusion Attention Network for No-Reference and Full-Reference Panoramic Image Quality Assessment	39
Speech-Visual Emotion Recognition by Fusing Shared and Specific Features	39
System-Informed Neural Network for Frequency Detection	38
Action-ViT: Pedestrian Intent Prediction in Traffic Scenes	37
SeaFree-GS: Reconstructing Underwater 3D Scenes With True Appearances	37
Non-Linear Gaussian Smoothing With Taylor Moment Expansion	37
Compressed Domain Invariant Adversarial Representation Learning for Robust Audio Deepfake Detection	37
Multi-Stage Confidence-Guided Diffusion and Emotional Bidirectional Mamba for Robust Speech Emotion Recognition	37