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Hexagonal Image Processing

RRP $519.99

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The sampling lattice used to digitize continuous image data is a signi?cant determinant of the quality of the resulting digital image, and therefore, of the e?cacy of its processing. The nature of sampling lattices is intimately tied to the tessellations of the underlying continuous image plane. To allow uniform sampling of arbitrary size images, the lattice needs to correspond to a regular - spatially repeatable - tessellation. Although drawings and paintings from many ancient civilisations made ample use of regular triangular, square and hexagonal tessellations, and Euler later proved that these three are indeed the only three regular planar tessellations possible, sampling along only the square lattice has found use in forming digital images. The reasons for these are varied, including extensibility to higher dimensions, but the literature on the rami?cations of this commitment to the square lattice for the dominant case of planar data is relatively limited. There seems to be neither a book nor a survey paper on the subject of alternatives. This book on hexagonal image processing is therefore quite appropriate. Lee Middleton and Jayanthi Sivaswamy well motivate the need for a c- certedstudyofhexagonallatticeandimageprocessingintermsoftheirknown uses in biological systems, as well as computational and other theoretical and practicaladvantagesthataccruefromthisapproach. Theypresentthestateof the art of hexagonal image processing and a comparative study of processing images sampled using hexagonal and square grids.


A Biologically Inspired Cmos Image Sensor

RRP $546.99

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Biological systems are a source of inspiration in the development of small autonomous sensor nodes. The two major types of optical vision systems found in nature are the single aperture human eye and the compound eye of insects. The latter are among the most compact and smallest vision sensors. The eye is a compound of individual lenses with their own photoreceptor arrays. The visual system of insects allows them to fly with a limited intelligence and brain processing power. A CMOS image sensor replicating the perception of vision in insects is discussed and designed in this book for industrial (machine vision) and medical applications.

The CMOS metal layer is used to create an embedded micro-polarizer able to sense polarization information. This polarization information is shown to be useful in applications like real time material classification and autonomous agent navigation. Further the sensor is equipped with in pixel analog and digital memories which allow variation of the dynamic range and in-pixel binarization in real time. The binary output of the pixel tries to replicate the flickering effect of the insect's eye to detect smallest possible motion based on the change in state. An inbuilt counter counts the changes in states for each row to estimate the direction of the motion. The chip consists of an array of 128x128 pixels, it occupies an area of 5 x 4 mm2 and it has been designed and fabricated in an 180nm CMOS CIS process from UMC.


Remote Sensing Digital Image Analysis

RRP $271.99

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Remote Sensing Digital Image Analysis provides the non-specialist with an introduction to quantitative evaluation of satellite and aircraft derived remotely retrieved data. Since the first edition of the book there have been significant developments in the algorithms used for the processing and analysis of remote sensing imagery; nevertheless many of the fundamentals have substantially remained the same. This new edition presents material that has retained value since those early days, along with new techniques that can be incorporated into an operational framework for the analysis of remote sensing data. The book is designed as a teaching text for the senior undergraduate and postgraduate student, and as a fundamental treatment for those engaged in research using digital image processing in remote sensing. The presentation level is for the mathematical non-specialist. Since the very great number of operational users of remote sensing come from the earth sciences communities, the text is pitched at a level commensurate with their background. Each chapter covers the pros and cons of digital remotely sensed data, without detailed mathematical treatment of computer based algorithms, but in a manner conductive to an understanding of their capabilities and limitations. Problems conclude each chapter.


Remote Sensing Digital Image Analysis

RRP $271.99

Click on the Google Preview image above to read some pages of this book!

Remote Sensing Digital Image Analysis provides the non-specialist with an introduction to quantitative evaluation of satellite and aircraft derived remotely retrieved data. Since the first edition of the book there have been significant developments in the algorithms used for the processing and analysis of remote sensing imagery; nevertheless many of the fundamentals have substantially remained the same. This new edition presents material that has retained value since those early days, along with new techniques that can be incorporated into an operational framework for the analysis of remote sensing data. The book is designed as a teaching text for the senior undergraduate and postgraduate student, and as a fundamental treatment for those engaged in research using digital image processing in remote sensing. The presentation level is for the mathematical non-specialist. Since the very great number of operational users of remote sensing come from the earth sciences communities, the text is pitched at a level commensurate with their background. Each chapter covers the pros and cons of digital remotely sensed data, without detailed mathematical treatment of computer based algorithms, but in a manner conductive to an understanding of their capabilities and limitations. Problems conclude each chapter.


Imagery From Beyond

RRP $17.99

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40 Abstract Designs + 10 Bonus Pages...Abstract Art with Tangled Borders The drawings featured in our Messages From Beyond(r) Coloring Book series are all hand-drawn originals created specifically to help you get in touch with your innate intuitive ability. The abstract designs will allow your imagination and creativity to flow. We call our series Imagery From Beyond because Art by Ali is a unique style of drawing that seems to flow from Alice's pens as she creates each page. To some people, this is just a coloring book-a fun way to relieve stress and relax after a hectic day. To many others, this may become a meditation tool to promote healing as well as to facilitate communication with loved ones who are sending you messages. As you flip through the pages, you may be drawn to a specific image...that is the place to start. The designs and even the colors you select will hold a special meaning for you. Each design magically comes to life as color is applied, and depending on the colorist's view and direction the page is turned, the images can be quite different. Let your imagination and creativity soar as you color and create your own images within these pages. There is no right or wrong way to view the page-you may turn the book any way you desire-great for left-handed colorists, too. The possibilities are endless-many people color the same design more than once, each time coming up with different patterns, images, and emotions. Use 1, 2, or many colors to bring the designs to life. You will begin to see various images while creating a piece of art that speaks directly to you. Pages are purposely sized for easy framing-even the borders alone are perfect for 8x10 photo frames. For best results, the preferred tools for coloring are colored pencils, crayons, gel pens, and fine or ultra-fine-point markers. If using markers, we suggest placing a protective page behind the drawing you're coloring to prevent bleed-through colors. There are bordered sheets at the end of this book to test your colors or use as a protective blotter page, or you can color and use as a photo frame! Please note: the artist has no control over the quality of the paper. This is a book published on demand by CreateSpace and Amazon, and the paper used is the best thickness available. Many people have told us, when coloring the images, they are taken to a place where healing can begin. The therapeutic benefits of coloring, along with the personal meaning you assign to your finished pages, may bring you healing and comfort as well. Thank you for choosing our book to be a part of your creative process."



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