Remote sensing has developed by leaps and bounds in the 20th century. This has helped in developing efficient and reliable navigation technologies, weather predictions that benefit agriculture, aquaculture, disaster warning, etc. The objective of this book is to give a general view of the different areas of remote sensing, and its applications. While understanding the long-term perspectives of the topics, the book makes an effort in highlighting their impact as a modern tool for the growth of the discipline. This book discusses the advanced technologies and applied principles in the field of remote sensing. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of remote sensing.