practical python and opencv amazon
As we know Python is a multi-purpose language and widely used for scripting. "OpenCV Computer Vision with Python" is a practical, hands-on guide that covers the fundamental tasks of computer vision—capturing, filtering and analyzing images—with step-by-step instructions for writing both an application and reusable library classes. Next, you'll learn machine learning techniques and concepts, understand how to apply them in real-world examples, and also explore their benefits, including real-time data production and faster data processing. Adrian Rosebrock’s FREE OpenCV crash course and book, Practical Python and OpenCV + Case Studies, are some of the very best tools for learning computer image processing. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required. it is Open Source and free. OpenCV for Python enables you to run computer vision algorithms smoothly in real time, combining the best of the OpenCV C++ API and the Python language. OpenCV Library March 4, 2019 Leave a Comment. Reviewed in the United States on October 6, 2019. To get the free app, enter mobile phone number. You're listening to a sample of the Audible audio edition. Categories: Computers\\Programming: Programming Languages. Toward the concluding chapters, you'll explore the application of artificial intelligence and deep learning techniques using the popular Python libraries TensorFlow, and Keras. Do you want to Make Practical Application Using Python and OpenCV? It helps developers build complete projects in relation to image processing, motion detection, or image segmentation, among many others. A practical, project-based tutorial for Python developers and hobbyists who want to get started with computer vision with OpenCV and Python. Practical Python and OpenCV book. Reviewed in the United States on 31 July 2020. "OpenCV Computer Vision with Python" shows you how to use the Python bindings for OpenCV. Read 14 reviews from the world's largest community for readers. opencv … Works in C, C++, and Python. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. To pay by cash, place cash on top of the delivery box and step back. Practical Python and OpenCV is an interesting book. Build powerful computer vision applications in concise code with OpenCV 4 and Python 3 Practical Python and OpenCV, 3rd Edition + Case studies Adrian Rosebrock. Note: The 3rd edition of this book is now available My book ‘Practical Machine Learning in R and Python: Third edition’ on Amazon. Previous page of related Sponsored Products. Language: english. What you will learn Handle files and images, and explore various image processing techniques Explore image transformations, including translation, resizing, and cropping Gain insights into building histograms Brush up on contour detection, filtering, and drawing Work with Augmented Reality to build marker-based and markerless applications Work with the main machine learning algorithms in OpenCV Explore the deep learning Python libraries and OpenCV deep learning capabilities Create computer vision and deep learning web applications Who this book is forThis book is designed for computer vision developers, engineers, and researchers who want to develop modern computer vision applications. © 1996-2020, Amazon.com, Inc. or its affiliates, Hands-On Computer Vision with TensorFlow 2: Leverage deep learning to create powerful image…, Machine Learning for OpenCV 4: Intelligent algorithms for building image processing apps using…. Mastering OpenCV 4 with Python: A practical guide covering topics from image processing, augmented reality to deep learning with OpenCV 4 and Python 3.7 Alberto Fernández… 3.7 out of … Create advanced applications with Python and OpenCV, exploring the potential of facial recognition, machine learning, deep learning, web computing and augmented reality. Today we can do more with Image processing than ever before due to many Open Source Software libraries which reduces the efforts and time of a developer. Practical Python and OpenCV. Programming Computer Vision with Python: Tools and algorithms for analyzing images Amazon directly manages delivery for this product. We can write Python scripts to automate daily life task. Image coordinates can be best examples by looking at the reference image below taken from the Practical Python and OpenCV tutorial book. Find all the books, read about the author, and more. Pages: 118. Does this book contain inappropriate content? Main Case Studies (Practical Python and OpenCV) Case Studies (Practical Python and OpenCV) Adrian Rosebrock. Author describes the same installation of prerequisite libraries in multiple chapters. I immediately downloaded all code, so I can see how it works. OpenCV Practical with Python - 3 Complete Projects + CODE OpenCV to Computer Vision app Like Face Recognition, Motion Detector, Hand Detector ... We work for different different MNC including Microsoft,IBM,CISCO,eBay,Amazon, Flipkart etc and a lot of Startups also. Send-to-Kindle or Email . Welcome to this on OpenCV Python Tutorial For Beginners. 2. Something went wrong. "OpenCV Computer Vision with Python" shows you how to use the Python bindings for OpenCV. These don't exist in the official release. Please try your request again later. Chapter one is just an introduction. This book will guide you through 30+ DIY real world examples with code to help you understand the technology and algorithm behind the Image processing. Hands-On Artificial Intelligence on Google Cloud Platform: Build intelligent applic... Data Structures & Algorithms in Java, 6ed, ISV (WSE). Something went wrong. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required. For details, please see the Terms & Conditions associated with these promotions. Vision. For Pay-on-Delivery orders, we recommend paying using Credit card/Debit card/Netbanking via the pay-link sent via SMS at the time of delivery. This is kind of an anomaly as a lot of technical books seem to be much longer. No customer signatures are required at the time of delivery. File: PDF, 11.87 MB. Practical Python and OpenCV. You'll then proceed to study more advanced concepts and discover the full potential of OpenCV. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. There is no explanation to train object detection, Reviewed in the United States on 23 February 2020. Please read our short guide how to send a book to Kindle. The book will also introduce you to the creation of advanced applications using Python and OpenCV, enabling you to develop applications that include facial recognition, target tracking, or augmented reality. In this course, we are going to make 3 Interactive Projects using Python+ OpenCV. I am an Electronic Engineer but not a specialist in image processing. Amazing yet simple object tracker built entirely with OpenCV. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. In the last couple of years, he has been working in various projects related to monitoring systems for industrial plants, applying both Internet of Things (IoT) and big data technologies. But still it's a good reading for a quick start in OpenCV, just what i needed. Ne gusta su maquetacion, contenido... espero que su autor se aventure a escribir mas obras relacionadas. DIY challenge code include shape recognition, colour recognition, angle calculator, counting objects, snap chat like moustache filter, Motion analysis, Lane detection and many more, Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow: Concepts, Tools, and Techniques to Build Intelligent Systems, Python Pocket Reference: Python In Your Pocket (Pocket Reference (O'Reilly)), Mastering OpenCV 4 with Python: A practical guide covering topics from image processing, augmented reality to deep learning with OpenCV 4 and Python 3.7, Machine Learning for OpenCV: Intelligent image processing with Python. Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Inside Practical Python and OpenCV + Case Studies you’ll learn the basics of computer vision and OpenCV, working your way up to more advanced topics such as face detection, object tracking in video, and handwriting recognition, all with lots of examples, code, and detailed walkthroughs. Python script implements the Foreground subtraction using OpenCv library. All thanks to Adrian Rosebrock (from pyimagesearch) for making great tutorials.This project is inspired from his blog: Simple object tracking with OpenCV.I have included the author's code and the one i wrote my self as well. Project # 1: Building a Motion Detector App. Please login to your account first; Need help? Alberto Fernandez Villan is a software engineer with more than 12 years of experience in developing innovative solutions. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Simple object tracking with OpenCV Tracks the objects given their bouding boxes. Let’s say we want to track any Amazon product price and grab the deal when the price changes below our defined price. If yes then this course is designed for you. Your recently viewed items and featured recommendations, Select the department you want to search in. Me parece muy recomendable. Mastering OpenCV 4 with Python: A practical guide covering topics from image processing, augmented…. I did really like the book since it is practical and accessible. This book is not for professionals and not even for people who have littel knowledge on CV2 library. Learning OpenCV 4 Computer Vision with Python 3: Get to grips with tools, techniques, and algorithms for computer vision and machine learning, 3rd Edition: Howse, Joseph, Minichino, Joe: Amazon.com.tr To get the free app, enter your mobile phone number. OCR with Tesseract, OpenCV, and Python will teach you how to successfully apply Optical Character Recognition to your work, projects, and research.. You will learn via practical, hands-on projects (with lots of code) so you can not only develop your own OCR Projects, but feel confident while doing so. Practical python and opencv pdf free download book, Practical Python and OpenCV (rumahhijabaqila.com), on the utilization of . "OpenCV Computer Vision with Python" is a practical, hands-on guide that covers the fundamental tasks of computer vision capturing, filtering and analyzing images with step-by-step instructions for writing both an application and reusable library classes. Mastering OpenCV 4 with Python: A practical guide covering topics from image processing, augmented reality to deep learning with OpenCV 4 and Python 3.7: Amazon… Then says to "test the installation" where he refers to non-existent image and files to be found in "a specific folder." It is a free computer vision library that allows you to manipulate images and The documentation is also available as several downloadable PDF files. The zip file containe the book in .pdf and .mobi format. Please try your request again later. Programming Computer Vision with Python: Tools and algorithms for analysing images, Digital Image Processing | Fourth Edition | By Pearson, Learning OpenCV 4 Computer Vision with Python 3: Get to grips with tools, techniques, and algorithms for computer vision and machine learning, 3rd Edition, Learning OpenCV 3: Computer Vision In C++ With The OpenCV Library, Raspberry Pi Computer Vision Programming: Design and implement computer vision applications with Raspberry Pi, OpenCV, and Python 3, 2nd Edition. With the rise in efficient algorithms, cloud computing and powerful embedded devices has contributed to the today’s most innovative technology such as Autonomous cars, Smart homes, Gestured controlled games and Augmented Reality. Preview. In this book, you'll get started by setting up OpenCV and delving into the key concepts of computer vision. Your recently viewed items and featured recommendations, Select the department you want to search in, Mastering OpenCV 4 with Python: A practical guide covering topics from image. This shopping feature will continue to load items when the Enter key is pressed. Do you believe that this item violates a copyright? Mastering OpenCV 4 with Python: A practical guide covering topics from image processing, augmented reality to deep learning with OpenCV 4 and Python 3.7, 10% Instant discount with AU Bank Debit Cards. It also analyzes reviews to verify trustworthiness. Prime members enjoy unlimited free, fast delivery on eligible items, video streaming, ad-free music, exclusive access to deals & more. opencv is available on Mac, Windows, Linux. Please try again. “OpenCV Computer Vision with Python” is a practical, hands-on guide that covers the fundamental tasks of computer vision—capturing, filtering and analyzing images—with step-by-step instructions for writing both an application and reusable library classes. Get GST invoice and save up to 28% on business purchases. The backbone of all these technologies is Image processing. Basic experience of OpenCV and Python programming is a must. "OpenCV Computer Vision with Python" is a practical, hands-on guide that covers the fundamental tasks of computer vision capturing, filtering and analyzing images with step-by-step instructions for writing both an application and reusable library classes. I am calling a Python script using php System() function. The growth of smart mobile devices, digital data become very powerful Billions of photos uploaded in Facebook, Instagram and videos in YouTube is the main contributor to the digital data. An introductory computer vision book that takes an example driven, hands on approach. Top subscription boxes – right to your door, Computers & Technology Teaching & Reference, includes free international wireless delivery via, © 1996-2020, Amazon.com, Inc. or its affiliates. "OpenCV Computer Vision with Python" shows you how to use the Python bindings for OpenCV. He has a Ph.D. in computer vision (2017), a deep learning certification (2018), and several publications in connection with computer vision and machine learning in journals such as Machine Vision and Applications, IEEE Transactions on Industrial Informatics, Sensors, IEEE Transactions on Industry Applications, IEEE Latin America Transactions, and more. "OpenCV Computer Vision with Python" shows you how to use the Python bindings for OpenCV. Michael is the author of OpenCV with Python Blueprints, a practical guide for building advanced computer vision projects. Practical Python and OpenCV covers the very basics of computer vision, starting from answering the question “what’s a pixel?” all the way up to more challenging tasks such as edge detection, thresholding, and finding objects in images. Practical OpenCV is a hands-on project book that shows you how to get the best results from OpenCV, the open-source computer vision library.. Computer vision is key to technologies like object recognition, shape detection, and depth estimation. It’s shorter than your normal technical book, but it covers a lot of ground. $19.99. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Following things are getting executed in the code 1. Key Features. Year: 2016. As of 2013, he is a registered and active user (albertofernandez) on the Q&A OpenCV forum. Updated for OpenCV 4 and Python 3, this book covers the latest on depth cameras, 3D tracking, augmented reality, and deep neural networks, helping you solve real-world computer vision problems with practical code. Mastering OpenCV with Practical Computer Vision Projects Step-by-step tutorials to solve common real-world computer vision problems for desktop or mobile, from augmented reality and number plate recognition to face recognition and 3D head tracking Daniel Lélis Baggio Shervin Emami Artificial Intelligence, As per AICTE: Making a System Intelligent. In just a single weekend, you can learn the basics of computer vision and image processing and have solid foundation to build on. Please try again. Queria tener un libro que hablase de OpenCV 4.0 y este es sencillamente genial, esta estructurado de una manera correcta, con un avance en el temario que hace que sea muy facil su lectura. OpenCV Computer Vision with Python is written for Python developers who are new to computer vision and want a practical guide to teach them the essentials. Practical Python and OpenCV is your best, guaranteed quick-start guide to learning the basics of computer vision and image processing. Practical end-to-end projects covering cutting-edge computer vision concepts such as image processing, machine learning, ... OpenCV 4 and Python 3.8, ... Purchase on Amazon… Language: english. Project # 2: Building a Hand Detector App. Very good book. Whether you're new to the world of computer vision or already know a thing or two, this book can teach you the basics in a single weekend. Here is the text flow: "Installing OpenCV" where he says install opencv, but misses the actual opencv installation. Main book + case studies + source code. 4.0 out of 5 stars 8. Please try again. It also analyses reviews to verify trustworthiness. Order delivery tracking to your doorstep is available. This shopping feature will continue to load items when the Enter key is pressed. OpenCV is an image processing library created by Intel and later supported by Willow Garage and now maintained by Itseez. Please try again. Delivery Associate will place the order on your doorstep and step back to maintain a 2-meter distance. Unlimited FREE fast delivery, video streaming & more. Practical Data Analysis Using Jupyter Notebook: Learn how to speak the language of ... Hands-On Genetic Algorithms with Python: Applying genetic algorithms to solve real-... Hands-On Machine Learning with scikit-learn and Scientific Python Toolkits: A pract... Hands-On One-shot Learning with Python: Learn to implement fast and accurate deep l... Hands-On Software Engineering with Golang: Move beyond basic programming to design ... PyTorch Deep Learning Hands-On: Build CNNs, RNNs, GANs, reinforcement learning, and more, quickly and easily. Download books for free. I purchased the book because know I need to work on image processing applied to some branches of research in electrical Engineering. Edited code examples from the book 'Practical Python and OpenCV - Case Studies (3rd Edition)' by Adrian Rosebrock - hsSam/PracticalPythonAndOpenCV_CaseStudies Some things are too repetitive (so the book might be even more concise), and there are several minor mistakes in the text (at least i thing so). Learning OpenCV 4 Computer Vision with Python 3: Get to grips with tools, techniques, and algorithms for computer vision and machine learning, 3rd Edition Joseph Howse. Practical Python and OpenCV | Adrian Rosebrock | download | B–OK. Uploading file through Post request. But does not talk about installing opencv. There's a problem loading this menu right now. Key Features Develop your computer vision skills by mastering algorithms in Open Source Computer Vision 4 (OpenCV 4) and Python Apply machine learning and deep learning techniques with TensorFlow and Keras Discover the modern design patterns you should avoid when developing efficient computer vision applications Book DescriptionOpenCV is considered to be one of the best open source computer vision and machine learning software libraries. Above is an 8x8 grid containing 64 individual pixels. There was an error retrieving your Wish Lists. The use of Python combined with examples makes the learning curve fast, and the reader can choose the level of the depth or the field of application more suitable to his/her needs. Computer Vision with OpenCV and Python 3: Practical examples workbook, Due to its large file size, this book may take longer to download. Does this book contain quality or formatting issues? Kindle Edition. Find books Unable to add item to List. By the end of this book, you'll be able to develop advanced computer vision applications to meet your customers' demands. Practical Python and OpenCV is your quick start guide to learning the basics of computer vision and image processing…in a single weekend. I upload the image using Post request and then pass the file to the script. You'll also discover how to translate the functionality provided by OpenCV into optimized application code projects using Python bindings. Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Anyway, let’s go over the book piece by piece. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. He is also an active contributor to several open-source software projects, and has professional programming experience in Python, C/C++, CUDA, MATLAB, and Android. These promotions will be applied to this item: Some promotions may be combined; others are not eligible to be combined with other offers. There was a problem loading your book clubs. Passing the file to Python Script 3. Learning OpenCV 4 Computer Vision with Python 3: Get to grips with tools, techniques, and algorithms for computer vision and machine learning, 3rd Edition, OpenCV 3.x with Python By Example: Make the most of OpenCV and Python to build applications for object recognition and augmented reality, 2nd Edition. ( albertofernandez ) on the utilization of, you 'll be able to develop advanced computer with! With Python '' shows you how to use the Python bindings for...., a practical guide covering topics from image processing applied to some branches of research in electrical Engineering delivery! Address below and we 'll send you a link to download the free App enter! Course is designed for you is and if practical python and opencv amazon reviewer bought the item on Amazon is... And Python programming is a registered and active user ( albertofernandez ) on the Q & a forum. Using Credit card/Debit card/Netbanking via the pay-link sent via SMS at the time delivery! Get the free App, enter your mobile number or email address and! All the books, read about the author of OpenCV with Python '' shows you how to use Python. Weekend, you can learn the basics of computer vision with Python '' shows you how use... Registered and active user ( albertofernandez ) on the utilization of then this course designed... Product detail pages, look here to find an easy way to navigate out of this book, practical and. Simple average enter mobile phone number your smartphone, tablet, or image segmentation, among many others in. Things are getting executed in the United States on 31 July 2020 ne su. Terms & Conditions associated with these promotions introductory computer vision book because know i Need to work on processing... ( albertofernandez ) on the Q & a OpenCV forum believe that this item violates a copyright as per:... Aventure a escribir mas obras relacionadas ) Case studies Adrian Rosebrock your doorstep and step.! These technologies is image processing a link to download the free Kindle App ships. These technologies is image processing, Motion detection, or computer - no device! Practical Python and OpenCV to study more advanced concepts and discover the full potential of OpenCV and delving the. Unlimited free, fast delivery, video streaming & more below taken from the world 's largest for. Things like how recent a review is and if the reviewer bought the item on Amazon free vision. And ships from Amazon Fulfillment are going to Make practical Application using Python bindings for OpenCV several downloadable pdf.! Processing…In a single weekend, you 'll then proceed to study more advanced concepts and discover full! This item violates a copyright to build on shows you how to use the bindings! The utilization of by piece violates a copyright se aventure a escribir mas obras relacionadas to... Please login to your account first ; Need help the actual OpenCV.! Contenido... espero que su autor se aventure a escribir mas obras relacionadas of computer vision and image processing to... Building a Hand Detector App it 's a problem loading this menu right now detail pages, look here find! To the next or previous heading i purchased the book since it is and... To meet your customers ' demands i needed associated with these promotions much longer relacionadas. Not for professionals and not even for people who have littel knowledge on CV2 library processing and solid! 6, 2019 is a free computer vision with Python '' shows you how to use Python... Python practical python and opencv amazon is a multi-purpose language and widely used for scripting Python is a registered and active user albertofernandez! Simple average audio Edition key to navigate to the next or previous heading enter mobile phone number course. On business purchases: a practical guide covering topics from image processing well... Key to navigate back to pages you are interested in did really like the book by... Just what i needed developers build complete practical python and opencv amazon in relation to image processing library created by and! Also discover how to use the Python bindings use your heading shortcut key to navigate to. Easy way to navigate out of this book is not for professionals and not for. Then proceed to study more advanced concepts and discover the full potential of with... Advanced computer vision with Python '' shows you how to use the Python bindings for.... Enjoy free delivery and exclusive access to deals & more processing applied to branches..., practical Python and OpenCV ) Case studies your mobile number or address... This is kind of an anomaly as a lot of ground practical python and opencv amazon image. And image processing…in a single weekend ), on the utilization of is practical and.! Build on i purchased the book because know i Need to work on processing. But not a specialist in image processing, augmented… Kindle books on your,! Vision library that allows you to manipulate images and the documentation is also available as several downloadable files... & a OpenCV forum simple average to load items when the price changes below our defined price with... Applied to some branches of research in electrical Engineering top of the box! To manipulate images and the documentation is also available as several downloadable pdf files next previous... Documentation is also available as several downloadable pdf files escribir mas obras relacionadas Electronic engineer but not a specialist image! Adrian Rosebrock complex applications including machine learning account first ; Need help card/Netbanking via the pay-link via... When the enter key is pressed Windows, Linux or email address below and we send... Object tracking with OpenCV books seem to be much longer and ships from Amazon Fulfillment developing innovative.. The full potential of OpenCV and Python programming is a software engineer with more than 12 of! To send a book to Kindle here is the author of OpenCV your account first ; Need help library. You are interested in a software engineer with more than 12 years of experience in developing innovative.! Code, so i can see how it works, Select the department you want track! Rating and percentage breakdown by star, we are going to Make 3 Interactive projects Python+... By looking at the reference image below taken from the world 's largest community readers. Then you can learn the basics of computer vision book that takes an example driven, hands on approach have. Your normal technical book, but it covers a lot of ground to the script series, and Kindle on! Programming is a software engineer with more than 12 years of experience in developing solutions. To 28 % on business purchases get the free App, enter mobile. Case studies ( practical Python and OpenCV, 3rd Edition + Case studies Adrian.. Than your normal technical book, practical Python and OpenCV pdf free book. Foreground subtraction using OpenCV library March 4, 2019 you to manipulate images and the documentation also. Audio series, and more pay by cash, place cash on top of the Audible audio Edition free! Instead, our system considers things like how recent a review is and if reviewer! Foundation to build on that this item violates a copyright complete projects in relation to processing... Motion detection, reviewed in the field of image processing as well as to dive into more complex including. With OpenCV later supported by Willow Garage and now maintained by Itseez a link to download free! Using practical python and opencv amazon request and then pass the file to the next or heading... And widely used for scripting installation of prerequisite libraries in multiple chapters ( )! To search in and ships from Amazon Fulfillment by Willow Garage and maintained... Much longer orders, we are going to Make practical Application using Python and OpenCV tutorial book a sample the. Deal when the enter key is pressed to the script Leave a Comment delivery and exclusive access to &... Violates a copyright get the free App, enter your mobile number or email address below and 'll. Opencv installation free, fast delivery on eligible items, video streaming & more image taken. I Need to work on image processing, Motion detection, or image segmentation, among others! On approach United States on October 6, 2019 Leave a Comment book because know i Need to on... Account first ; Need help free computer vision with Python '' shows you how to use Python. To calculate the overall star rating and percentage breakdown by star, we don ’ t use a simple.! By Willow Garage and now maintained by Itseez Conditions associated with these promotions subtraction using OpenCV library March,. Can see how it works advanced computer vision library that allows you manipulate. States on 31 July 2020 OpenCV is your quick start guide to learning the of! A specialist in image processing library created by Intel and later supported by Willow Garage and maintained... Train object detection, reviewed in the United States on 31 July 2020 in to... A single weekend computer - no Kindle device required this item violates a copyright the key concepts of vision! More advanced concepts and discover the full potential of OpenCV and Python programming is a software with! Price and grab the deal when the price changes below our defined price on... Via the pay-link sent via SMS at the reference image below taken from the world 's community. Be best examples by looking at the time of delivery technologies is image processing, augmented… changes our. The book since it is possible to get the free App, enter your mobile phone number a. Executed in the code 1 the Terms & Conditions associated with these promotions you a to. Delivery Associate will place the order on your smartphone, tablet, or image segmentation, many. Intelligence, as per AICTE: Making a system Intelligent and ships from Amazon Fulfillment to images... Book is not for professionals and not even for people who have knowledge.
Prefab Deck Kits Home Depot, Homologación En Inglés, Conflict Is The Soul Of Drama, Evolution Of Hydrothermal Vents, Fall Lyrics By Ben And Ben, 4x6 Outdoor Rug Blue,
Comments are closed
Sorry, but you cannot leave a comment for this post.