Artificial Intelligence Techniques and Recognition.- A Straightforward Framework For Video Retrieval Using CLIP.- Inferential Rules for Identifying Answers in TOEFL Texts.- Automatic Detection of Injection Attacks by Machine Learning in NoSQL Databases.- Automatic Recognition of Learning-Centered Emotions.- Pattern Recognition Techniques.- Unsupervised Feature Selection Methodology for Analysis of Bacterial Taxonomy Profiles.- A Comparative Study of Two Algorithms for Computing the Shortest Reducts: MiLIT and MinReduct.- Extremal Topologies for the Merrifield-Simmons Index on Dynamic Trees.- Experimental Comparison of Oversampling Methods for Mixed Datasets.- Shortening the Candidate List for Similarity Searching using Inverted Index.- Neural Networks and Deep Learning.- Neuroevolution for Sentiment Analysis in Tweets Written in Mexican Spanish.- Neovascularization Detection on Optic Disc Region using Deep Learning.- Metric Localisation for the NAO Robot.- Multi-Source Transfer Learning for Deep Reinforcement Learning.- Efficient Training of Deep Learning Models through Improved Adaptive Sampling.- Graph Representation for Learning the Traveling Salesman Problem.- Satellite Imagery Classification using Shallow and Deep Learning Approaches.- Skeletal Age Estimation from Hand Radiographs using Ensemble Deep Learning.- Computer Vision.- Quantifying Visual Similarity for Artistic Styles.- Automatic Classification of Zingiberales from RGB Images.- Classification of Rail Welding Defects based on the Bag of Visual Words Approach.- Fast Background Subtraction and Graph Cut for Thermal Pedestrian Detection.- Image Processing and Analysis.- Development of a Method for Identifying People by Processing Digital Images from Handprint.- Finding the Optimum Bit-quad Patterns for Computing the Euler Number of 2D Binary Images using Simulated Annealing.- Perceptual and Pixel-Wise Information for Visual Novelty Detection.- Multi-core Median Redescending M-Estimator for Impulsive Denoising in Color Images.- A Comparative Study of 3D Plant Modeling Systems based on Low-cost 2D LiDAR and Kinect.- Evaluation of Denoising Algorithms for Source Camera Linking.- Texture based Supervised Learning for Crater-like Structures Recognition using ALOS / PALSAR Images.- Medical Applications of Pattern Recognition.- A Comparison Study of EEG Signals Classifiers for Inter-subject Generalization.- COVID-19 Related Pneumonia Detection in Lung Ultrasound.- Breastfeeding and Caries. A Relationship Analysis to Develop a Computer-Assisted Diagnosis using Random Forest.- Lung-nodule Segmentation using a Convolutional Neural Network with the U-Net Architecture.- Multi-target Attachment for Surgical Instrument Tracking.- W-net: a Convolutional Neural Network for Retinal Vessel Segmentation.- Novel Features for Glaucoma Detection in Fundus Images.