Machine Learning.- Deep Learning Based Automated Vickers Hardness Measurement.- ElasticHash: Semantic Image Similarity Search by Deep Hashing with Elasticsearch.- Land Use Change Detection Using Deep Siamese Neural Networks and Weakly Supervised Learning.- AMI-Class: Towards a Fully Automated Multi-view Image Classifier.- How realistic should synthetic images be for training crowd counting models?.- Unsupervised Recognition of the logical structure of Business Documents based on Spatial Relationships.- Feature Extraction.- The method for adaptive material classification and pseudo-coloring of the baggage X-ray images.- Sampling of Non-flat Morphology for Grey Value Images.- A Multi-Scale Line Feature Detection Using Second Order Semi-Gaussian Filters.- Experimental analysis of Appearance Maps as Descriptor Manifolds approximations.- Building Hierarchical Tree Representations Using Homological-Based Tools.- Face verification in practice: The case of Greek artist Leonidas Arniotis.- Object Recognition.- Spatio-temporal object detection from UAV on board cameras.- Automatic Watermeter Reading in Presence of Highly Deformed Digits.- HR-Crime: Human-Related Anomaly Detection in Surveillance Videos.- Sequence-based Recognition of License Plates with Severe Out-of-Distribution Degradations.- Exploiting Spatio-Temporal Coherence for Video Object Detection in Robotics.- Face and Gesture.- A Study of General Data Improvement for Large-Angle Head Pose Estimation.- Knight Tour Patterns: Novel Handcrafted Feature Descriptors for Facial Expression Recognition.- Exploiting visual context to identify people in TV programs.- Foreground-guided Facial Inpainting with Fidelity Preservation.- Talking Detection In Collaborative Learning Environments.- Facial Recognition in Collaborative Learning Videos.- Guess the Age Contest.- Guess The Age Contest: Age Estimation From Facial Images with Deep Convolutional Neural Networks.- Real-Time Age Estimation From Facial Images Using YOLO and EfficientNet.- Single View Facial Age Estimation Using Deep Learning with Cascading Random Forests.- Age-Style Augmentation for Facial Age Estimation.- LAE: Long-tailed Age Estimation.- Biometrics, Cryptography and Security.- Toward a robust shape and texture face descriptor for efficient face recognition in the wild.- Automatic Gender Classification from Handwritten Images: a Case Study.- Learning to Read L'Infinito: Handwritten Text Recognition with Synthetic Training Data.- Robust watermarking approach for 3D multirsolution meshes based on multi-wavelet transform, SHA512 and turbocodes.- A spherical harmonics-LSB-quantification adaptive watermarking approach for 3D multiresolution meshes security.- Authentication of Vincent van Gogh's Work.- Segmentation and Image Restoration.- Anisotropic Diffusion-Based Enhancement of Scene Segmentation with Instance Labels.- Jigsaw Puzzle Solving as a Consistent Labeling Problem.- Single-Loss Multi-Task Learning For Improving Semantic Segmentation Using Super-Resolution.- Deep Fisher Score Representation via Sparse Coding.- D-LSD: a Distorted Line Segment Detector for Calibrated Images.- Efficient Data Optimisation for Harmonic Inpainting with Finite Elements.-