activity
20202025
most citedSelf-Supervised Masked Convolutional Transformer Block for Anomaly Detection

117 citations · 245 across the 23 of their papers we have counts for

collaborators
Showing 2022Show all

7 papers · 1 filter

cs.CV2022★ 9 cited

Lightning Fast Video Anomaly Detection via Adversarial Knowledge Distillation

Florinel-Alin Croitoru, Nicolae-Catalin Ristea, Dana Dascalescu +3

We propose a very fast frame-level model for anomaly detection in video, which learns to detect anomalies by distilling knowledge from multiple highly accurate object-level teacher…

cs.CV2022★ 19 cited

Guided Unsupervised Learning by Subaperture Decomposition for Ocean SAR Image Retrieval

Nicolae-Cătălin Ristea, Andrei Anghel, Mihai Datcu +1

Spaceborne synthetic aperture radar (SAR) can provide accurate images of the ocean surface roughness day-or-night in nearly all weather conditions, being an unique asset for many g…

cs.CV2022★ 117 cited

Self-Supervised Masked Convolutional Transformer Block for Anomaly Detection

Neelu Madan, Nicolae-Catalin Ristea, Radu Tudor Ionescu +4

Anomaly detection has recently gained increasing attention in the field of computer vision, likely due to its broad set of applications ranging from product fault detection on indu…

cs.LG2022★ 3 cited

Learning Rate Curriculum

Florinel-Alin Croitoru, Nicolae-Catalin Ristea, Radu Tudor Ionescu +1

Most curriculum learning methods require an approach to sort the data samples by difficulty, which is often cumbersome to perform. In this work, we propose a novel curriculum learn…

cs.CV2022

Guided deep learning by subaperture decomposition: ocean patterns from SAR imagery

Nicolae-Catalin Ristea, Andrei Anghel, Mihai Datcu +1

Spaceborne synthetic aperture radar can provide meters scale images of the ocean surface roughness day or night in nearly all weather conditions. This makes it a unique asset for m…

eess.IV2022★ 10 cited

Multimodal Multi-Head Convolutional Attention with Various Kernel Sizes for Medical Image Super-Resolution

Mariana-Iuliana Georgescu, Radu Tudor Ionescu, Andreea-Iuliana Miron +4

Super-resolving medical images can help physicians in providing more accurate diagnostics. In many situations, computed tomography (CT) or magnetic resonance imaging (MRI) techniqu…

cs.CV2022

SepTr: Separable Transformer for Audio Spectrogram Processing

Nicolae-Catalin Ristea, Radu Tudor Ionescu, Fahad Shahbaz Khan

Following the successful application of vision transformers in multiple computer vision tasks, these models have drawn the attention of the signal processing community. This is bec…