The book "Median filtering", written by the author's team as part of Priorov A. L. and B. In. It is a fascinating and in-depth study that immerses the reader in the world of signal and image processing. This edition, published by Yaroslavl State University, will become an indispensable tool for both students of technical specialties and practitioners in the field of information technology and data processing . The book examines the basics of median filtration, one of the most effective methods of signal processing, which is widely used in various fields, from medicine to computer vision. The authors explain in detail how median filtration helps eliminate noise and distortion while preserving important image details. The reader will be able to learn about the mathematical foundations of the method, its algorithms and practical applications, which makes the book not only a theoretical, but also a practical guide. This book will be of interest not only to undergraduate and graduate students, but also to professionals working in the field of image processing, data analysis and machine learning. If you are passionate about technology, programming or just want to expand your knowledge in the field of digital signal processing, “Median filtering” will be a real find for you. The age range of readers can range from high school students studying the basics of computer science to experienced researchers seeking to deepen their knowledge in the field. The topics raised in the book go beyond the simple description of algorithms. The authors highlight the importance of median filtration in today’s world, where image and signal quality plays a key role in everything from medicine to safety. They consider not only theoretical aspects, but also real examples of the use of median filtering in various applications, which makes the material more accessible and understandable to the reader. The style of the authors is distinguished by the clarity and logic of the presentation . They skillfully combine theory with practical examples, which allows the reader not only to understand, but also to apply the knowledge gained in practice. Priors A. L. and Cartilage In. In. are known for their scientific work in the field of computer science and data processing, and their experience makes this book a valuable source of information Their other well-known works are also devoted to various aspects of data processing and may be of interest to those who want to deepen their knowledge in this area. “Median filtering” is not just a textbook, it is a real find for anyone who wants to understand how modern signal processing technologies work. The book offers readers a unique opportunity to immerse themselves in the world of algorithms and methods that form the basis for many modern technologies. If you are looking for literature on image processing, algorithms and digital technologies, this publication should definitely be in your library. In conclusion, Median Filtration is a book that combines scientific rigor and practical applicability. It will become a reliable assistant for everyone who seeks to understand the complex issues of signal processing and image processing. Do not miss the opportunity to discover the world of median filtering and learn how this method can change your perception of technology!