Download E-books OpenCV for Secret Agents PDF

By Joseph Howse

Use OpenCV in six mystery initiatives to reinforce your house, motor vehicle, mobilephone, eyesight, and any picture or drawing

About This Book

  • Build OpenCV apps for the computing device, the Raspberry Pi, Android, and the cohesion video game engine
  • Learn real-time innovations that may be used to categorise pictures, detecting and spotting anyone or animal, and learning movement and distance with superhuman precision
  • Design hands-free interfaces which are useful in domestic automation, in automobiles, and in discrete surveillance

Who This publication Is For

This publication is for programmers who are looking to extend their abilities by means of construction enjoyable, shrewdpermanent, and invaluable platforms with OpenCV. The initiatives are perfect in supporting you to imagine creatively concerning the makes use of of desktop imaginative and prescient, ordinary person interfaces, and ubiquitous pcs (in your place, vehicle, and hand).

What you are going to Learn

  • Install OpenCV, a Python improvement surroundings, and an Android improvement surroundings on home windows, Mac, or Linux and set up a harmony improvement setting on home windows or Mac
  • Get to grips with movement detection and gesture attractiveness as a method of controlling a guessing video game on a smartphone
  • Detect automobile headlights, estimate distances to them, and supply suggestions to the driver
  • Spot and realize human faces and cat faces as a method of controlling an alarm
  • Amplify movement in real-time video in order that a person's heartbeat and respiring turn into basically visible
  • Draw a ball-in-a-maze puzzle on paper and spot it come to lifestyles as a physics simulation on a smartphone
  • Integrate OpenCV with different libraries, in addition to renowned frameworks for GUI apps and games

In Detail

OpenCV is a grand selection of picture processing services and machine imaginative and prescient algorithms. it truly is open resource, it helps many programming languages and systems, and it's speedy adequate for plenty of real-time functions. What loads of contraptions we will be able to construct with this kind of convenient library!

Taking concept from the area of James Bond, this e-book provides a spark of experience and computing device imaginative and prescient in your day-by-day regimen. defend your place and automobile with clever digicam platforms that learn humans, cats, and stumbling blocks. allow your seek engine compliment or criticize the pictures that it reveals. listen a voice out of your telephone that responds for your physique language. Attune your self to a different person's rhythm through glancing at a exhibit that magnifies a heartbeat or a breath. study OpenCV and notice your international as by no means before.

Show description

Read more

Download E-books Two Scoops of Django: Best Practices For Django 1.5 PDF

By Daniel Greenfeld


The 3rd variation, Scoops of Django: top Practices For Django 1.8 is on the market! Revised and increased to 532 pages, it is a entire new ebook choked with new fabric. Please think about it prior to buying this edition!

Two Scoops of Django: most sensible Practices For Django 1.5 is brim-full of fabric to help you together with your Django projects.

We'll introduce you to varied counsel, methods, styles, code snippets, and strategies that we have picked up over the years.

We have placed millions of hours into writing and revising its three hundred+ pages of concise, example-packed text.

What is every body asserting approximately Scoops of Django?

  • “A unmarried read-through of 2 Scoops of Django gave me such a lot of lightbulbs and counsel; I needed to return for a moment helping.” -- Lynn Root, pink Hat engineer and PyLadies ambassador.
  • Ha ha, I realized whatever within the first bankruptcy. Awesome. -- Zed Shaw, writer of study Python the difficult Way.
  • Two Scoops should still offer a few nutrition for idea and usable strategies for anyone utilizing Django regularly. -- Malcolm Tredinnick, Django center Contributor
  • Make convinced you've gotten your favourite undertaking subsequent to you whereas studying. you may be doing a little rewriting. -- Bryan Veloso, GitHubber, PyCon PH Keynote Speaker
  • If i'll time shuttle, first thing i might do will be provide my more youthful self a duplicate of this publication, and make him learn it. -- Randall Degges, Passionate Python Hacker
  • You comprehend these classes you examine whilst initiatives blow up on your face? This booklet includes numerous initiatives worthy of such lessons. -- Lennart Regebro, writer of "Porting to Python 3"
  • This publication should still turn out to be an awesome source for any new-to-Django developer that choices it up. -- Kenneth Love, writer of "Getting all started with Django"
  • No subject what your ability point is, Scoops has strong assistance for everyone. -- Jeff Triplett, Developer at Revsys
  • This is the booklet i wanted had existed and that i may have learn whilst i began studying Django. -- Barry Morrison, Linux platforms engineer and Django developer
  • Two Scoops of Django is by means of a long way the easiest Django publication i have read. -- Ben Beecher on Twitter
  • Are there any negatives? good convinced. just one: I want i have learn it earlier! -- Branko Vukelic

Table of Contents

  • Chapter 1: Coding Conventions
  • Chapter 2: The optimum Django setting Setup
  • Chapter three: the best way to Lay Out Django Projects
  • Chapter four: basics of Django App Design
  • Chapter five: Settings and standards Files
  • Chapter 6: Database/Model top Practices
  • Chapter 7: Function-and Class-Based Views
  • Chapter eight: most sensible Practices for sophistication established Views
  • Chapter nine: universal styles for Forms
  • Chapter 10: extra issues to grasp approximately Forms
  • Chapter eleven: development relaxation APIs in Django
  • Chapter 12: Templates: most sensible Practices
  • Chapter thirteen: Template Tags and Filters
  • Chapter 14: Tradeoffs of changing middle Components
  • Chapter 15: operating With the Django Admin
  • Chapter sixteen: facing the person Model
  • Chapter 17: Django's mystery Sauce: Third-Party Packages
  • Chapter 18: checking out bankruptcy of Doom!
  • Chapter 19: Documentation: Be Obsessed
  • Chapter 20: discovering and lowering Bottlenecks
  • Chapter 21: safeguard most sensible Practices
  • Chapter 22: Logging: guidance and Tools
  • Chapter 23: indications: Use instances and Avoidance Techniques
  • Chapter 24: What approximately these Random Utilities?
  • Chapter 25: Deploying Django Projects
  • Chapter 26: how you can unlock your individual Django Packages
  • Chapter 27: remaining Thoughts
  • Appendix A: programs pointed out during this Book
  • Appendix B: Troubleshooting

Show description

Read more

Download E-books IPython Interactive Computing and Visualization Cookbook PDF

By Cyrille Rossant

Over a hundred hands-on recipes to sharpen your abilities in high-performance numerical computing and information technology with Python

About This Book

  • Leverage the hot gains of the IPython pc for interactive web-based gigantic facts research and visualization
  • Become knowledgeable in high-performance computing and visualization for info research and medical modeling
  • A complete insurance of clinical computing via many hands-on, example-driven recipes with special, step by step explanations

Who This booklet Is For

Intended to a person attracted to numerical computing and knowledge technology: scholars, researchers, lecturers, engineers, analysts, hobbyists... uncomplicated wisdom of Python/NumPy is suggested. a few abilities in arithmetic may help you already know the idea in the back of the computational methods.

What you'll Learn

  • Code higher by means of writing high quality, readable, and well-tested courses; profiling and optimizing your code, and accomplishing reproducible interactive computing experiments
  • Master the entire new good points of the IPython laptop, together with the interactive HTML/JavaScript widgets
  • Analyze info with Bayesian and frequentist records (Pandas, PyMC, and R), and research from info with desktop studying (scikit-learn)
  • Gain important insights into signs, photographs, and sounds with SciPy, scikit-image, and OpenCV
  • Learn how you can write blazingly speedy Python courses with NumPy, PyTables, ctypes, Numba, Cython, OpenMP, GPU programming (CUDA and OpenCL), parallel IPython, MPI, and lots of more

In Detail

IPython is on the middle of the Python medical stack. With its greatly acclaimed web-based computing device, IPython is this present day a great gateway to facts research and numerical computing in Python.

IPython Interactive Computing and Visualization Cookbook comprises many ready-to-use centred recipes for high-performance clinical computing and information research. the 1st half covers programming innovations, together with code caliber and reproducibility; code optimization; high-performance computing via dynamic compilation, parallel computing, and images card programming. the second one half tackles info technological know-how, data, desktop studying, sign and photograph processing, dynamical structures, and natural and utilized mathematics.

Show description

Read more

Download E-books Python Cookbook PDF

Python is famous as a strong and chic language, with help for either useful and object-oriented programming types. in case you decide to use Python, even if, you get greater than only a language-you additionally develop into a part of a really enthusiastic and supportive group of Python programmers who succeed in out to assist one another study and develop of their use of the language. Python Cookbook, 2d variation is only one tangible manifestation of that Python group. In it, you will discover functional strategies to many universal Python programming difficulties. those suggestions come from the group, from Python programmers who for a few years have contributed to the net Python Cookbook hosted via ActiveState at those are battle-tested strategies; contributed, reviewed, more suitable, and now introduced jointly in booklet shape. this is only a sampling of the various subject components coated by way of the greater than three hundred recipes during this e-book: looking and sorting, internet programming, Manipulating textual content, community programming, operating with documents, Processing XML, Object-oriented programming, allotted programming, Multithreaded programming, Debugging and trying out, approach management, Metaprogramming. recommendations during this e-book are geared up by means of subject region. the entire chapters commence with introductions written by way of famous Python luminaries corresponding to: Facundo Batista, David Beazley, Donn Cave, Fred L. Drake, jr., Paul F. Dubois, Mark Hammond, Raymond Hettinger, jeremy Hylton, Fredrik Lunch, Mark Lutz, Andy McKay, Gustavo Niemeyer, Tim Peters, Paul Prescod, Aaron Watters, and Greg Wilson. This ebook is a treasure trove of beneficial code for all Python programmers, entrance newcomers to complicated practitioners. it is a present, from the neighborhood to you. by way of procuring this booklet, you're additionally giving again to the group: 25 percentage of all royalties from this publication are donated to the Python software program beginning. The recipes in Python Cookbook, second version have been edited via Alex Martelli, additionally the writer of Python in a Nutsbell; Anna Martelli Ravenscroft, an avid Python consumer and widespread convention speaker; and David Ascher of ActiveState, coauthor of studying Python. The ebook incorporates a foreword through Guido van Rossum, the author of Python.

Show description

Read more

Download E-books Scikit-Learn Cookbook PDF

By Trent Hauck

Over 50 recipes to include scikit-learn into each step of the knowledge technological know-how pipeline, from function extraction to version development and version evaluation

About This Book

  • Learn the right way to deal with quite a few initiatives with Scikit-Learn with attention-grabbing recipes that exhibit you the way the library rather works
  • Use Scikit-Learn to simplify the programming aspect info so that you can specialize in thinking
  • Discover how one can follow algorithms in numerous situations

Who This e-book Is For

If you are a facts scientist already acquainted with Python yet no longer Scikit-Learn, or are conversant in different programming languages like R and wish to make the leap with the top-quality of Python computer studying libraries, then this can be the e-book for you.

What you are going to Learn

  • Address algorithms of assorted degrees of complexity and methods to examine facts on the similar time
  • Handle universal facts difficulties corresponding to function extraction and lacking data
  • Understand tips on how to review your types opposed to themselves and the other model
  • Discover barely enough math had to how you can take into consideration the connections among a variety of algorithms
  • Customize the laptop studying set of rules to suit your challenge, and how one can alter it whilst the placement demands it
  • Incorporate different programs from the Python surroundings to munge and visualize your dataset

In Detail

Python is instantly changing into the go-to language for analysts and knowledge scientists as a result of its simplicity and adaptability, and in the Python facts area, scikit-learn is the unequivocal selection for computing device studying. Its constant API and plethora of beneficial properties support remedy any computer studying challenge it comes across.

The booklet begins via strolling via diverse tips on how to organize your data—be it a dataset with lacking values or textual content columns that require the kinds to be become indicator variables. After the knowledge is prepared, you will research varied concepts aligned with various objectives—be it a dataset with identified results comparable to revenues by way of nation, or extra complex difficulties corresponding to clustering related clients. ultimately, you will methods to polish your set of rules to make sure that it is either actual and resilient to new datasets.

Show description

Read more

Download E-books Python in a Nutshell, Second Edition (In a Nutshell) PDF

This e-book deals Python programmers one position to seem once they need assistance remembering or decoding the syntax of this open resource language and its many robust yet scantily documented modules. This complete reference consultant makes it effortless to seem up the main often wanted information--not almost about the Python language itself, but additionally the main often used components of the traditional library and crucial third-party extensions.

Ask any Python aficionado and you may pay attention that Python programmers have all of it: a chic object-oriented language with readable and maintainable syntax, that permits for simple integration with parts in C, C++, Java, or C#, and an important number of precoded average library and third-party extension modules. additionally, Python is simple to benefit, but robust adequate to tackle the main bold programming demanding situations. yet what Python programmers used to lack is a concise and transparent reference source, with the correct degree of steerage in how top to take advantage of Python's nice energy. Python in a Nutshell fills this need.

Python in a Nutshell, moment version covers greater than the language itself; it additionally bargains with the main often used components of the normal library, and the most well-liked and significant 3rd get together extensions. Revised and extended for Python 2.5, this ebook now includes the gory information of Python's new subprocess module and breaking information approximately Microsoft's new IronPython venture. Our "Nutshell" structure suits Python completely by means of providing the highlights of crucial modules and capabilities in its general library, which disguise over ninety% of your functional programming wishes. This booklet includes:

  • A fast paced instructional at the syntax of the Python language
  • An rationalization of object-oriented programming in Python
  • Coverage of iterators, turbines, exceptions, modules, programs, strings, and standard expressions
  • A fast reference for

Show description

Read more

Download E-books Core Python Programming (2nd Edition) PDF

Praise for Core Python Programming


"The long-awaited moment version of Wesley Chun's Core Python Programming proves to be definitely worth the wait—its deep and wide insurance and beneficial workouts might help readers examine and perform sturdy Python."

—Alex Martelli, writer of Python in a Nutshell and editor of Python Cookbook


"There has been lot of fine buzz round Wesley Chun's Core Python Programming. It seems that each one the thrill is easily earned. i believe this can be the easiest publication presently on hand for studying Python. i might suggest Chun's ebook over Learning Python (O'Reilly), Programming Python (O'Reilly), or The quickly Python Book (Manning)."

—David Mertz, Ph.D., IBM DeveloperWorks®


"I were doing loads of examine [on] Python for the earlier yr and feature noticeable a few optimistic studies of your e-book. The sentiment expressed confirms the opinion that Core Python Programming is now thought of the traditional introductory text."

—Richard Ozaki, Lockheed Martin


"Finally, a e-book more than enough to be either a textbook and a reference at the Python language now exists."

—Michael Baxter, Linux Journal


"Very good written. it's the clearest, friendliest publication i've got stumble upon but for explaining Python, and placing it in a much broader context. It doesn't presume a large number of different adventure. It does pass into a few vital Python subject matters conscientiously and extensive. not like too many newbie books, it by no means condescends or tortures the reader with infantile hide-and-seek prose video games. [It] sticks to gaining a fantastic seize of Python syntax and structure."

— bookshop internet site


"[If ] i'll in basic terms personal one Python e-book, it'd be Core Python Programming by way of Wesley Chun. This e-book manages to hide extra subject matters in additional intensity than studying Python yet contains all of it in a single ebook that still greater than appropriately covers the middle language. [If] you're available in the market for only one ebook approximately Python, i like to recommend this publication. you'll take pleasure in analyzing it, together with its wry programmer's wit. extra importantly, you'll study Python. much more importantly, you can find it valuable in aiding you on your daily Python programming lifestyles. good performed, Mr. Chun!"

—Ron Stephens, Python studying Foundation


"I imagine the simplest language for rookies is Python, indisputably. My favourite booklet is Core Python Programming."

—s003apr, Forums


"Personally, i love Python. it is basic to benefit, thoroughly intuitive, amazingly versatile, and beautiful darned quickly. Python has in simple terms simply began to declare mindshare within the home windows global, yet search for it to begin gaining plenty of aid as humans detect it. to profit Python, i might commence with Core Python Programming by means of Wesley Chun."

—Bill Boswell, MCSE, Microsoft qualified specialist journal Online


"If you study good from books, I recommend Core Python Programming. it really is through a long way the simplest i have chanced on. i am a Python beginner to boot and in 3 months time i have been in a position to enforce Python in tasks at paintings (automating MSOffice, SQL DB stuff, etc.)."

—ptonman, Dev Shed Forums


"Python is just a gorgeous language. it is easy to profit, it is cross-platform, and it really works. It has completed a number of the technical targets that Java strives for. A one-sentence description of Python will be: 'All different languages seem to have developed over time--but Python used to be designed.' And it was once designed good. regrettably, there aren't plenty of books for Python. the simplest one i have run throughout thus far is Core Python Programming."

—Chris Timmons, C. R. Timmons Consulting


"If you're keen on the Prentice corridor center sequence, one other sturdy full-blown remedy to contemplate will be Core Python Programming. It addresses in tricky concrete aspect many functional themes that get little, if any, insurance in different books."

—Mitchell L version, multilevel marketing Consulting


"Core Python Programming is an amazingly effortless learn! The liberal use of examples is helping make clear a few of the extra refined issues of the language. And the comparisons to languages with which i am already primary (C/C++/Java) get you programming in list speed."

—Michael Santos, Ph.D., eco-friendly Hills Software


The whole Developer's consultant to Python

  • New to Python? The definitive advisor to Python improvement for skilled programmers
  • Covers center language gains completely, together with these present in the most recent Python releases—learn more than simply the syntax!
  • Learn complicated issues akin to standard expressions, networking, multithreading, GUI, Web/CGI, and Python extensions
  • Includes brand-new material on databases, net consumers, Java/Jython, and Microsoft place of work, plus Python 2.6 and three
  • Presents hundreds and hundreds of code snippets, interactive examples, and functional workouts to bolster your Python skills

Python is an agile, powerful, expressive, absolutely object-oriented, extensible, and scalable programming language. It combines the facility of compiled languages with the simplicity and speedy improvement of scripting languages. In Core Python Programming, moment Edition , prime Python developer and coach Wesley Chun is helping you study Python quick and comprehensively that you can instantly be successful with any Python project.


Using sensible code examples, Chun introduces the entire basics of Python programming: syntax, items and reminiscence administration, information forms, operators, documents and I/O, features, turbines, mistakes dealing with and exceptions, loops, iterators, sensible programming, object-oriented programming and extra. when you research the middle basics of Python, he exhibits you what you are able to do along with your new talents, delving into complex subject matters, comparable to normal expressions, networking programming with sockets, multithreading, GUI improvement, Web/CGI programming and increasing Python in C.


This version displays significant improvements within the Python 2.x sequence, together with 2.6 and information for migrating to three. It comprises new chapters on database and net buyer programming, plus insurance of many new issues, together with new-style periods, Java and Jython, Microsoft workplace (Win32 COM consumer) programming, and lots more and plenty more.

  • Learn expert Python variety, top practices, and sturdy programming behavior
  • Gain a deep knowing of Python's gadgets and reminiscence version in addition to its OOP good points, together with these present in Python's new-style periods
  • Build more beneficial internet, CGI, web, and community and different client/server purposes
  • Learn easy methods to enhance your individual GUI functions utilizing Tkinter and different toolkits on hand for Python
  • Improve the functionality of your Python functions through writing extensions in C and different languages, or increase I/O-bound purposes through the use of multithreading
  • Learn approximately Python's database API and the way to exploit a number of database structures with Python, together with MySQL, Postgres, and SQLite
  • Features appendices on Python 2.6 & three, together with tips about migrating to the subsequent generation! 

Core Python Programming delivers

  • Systematic, specialist insurance of Python's middle good points
  • Powerful insights for constructing advanced functions
  • Easy-to-use tables and charts detailing Python modules, operators, services, and techniques
  • Dozens of professional-quality code examples, from quickly snippets to full-fledged applications

Show description

Read more

Download E-books Python Business Intelligence Cookbook PDF

By Robert Dempsey

The volume of information produced via companies and units goes nowhere yet up. during this state of affairs, the foremost good thing about Python is that it's a general-purpose language and provides you many of suppleness in information constructions. Python is a superb instrument for extra really good research projects, and is powered with comparable libraries to technique facts streams, to imagine datasets, and to hold out clinical calculations. utilizing Python for company intelligence (BI) may help resolve difficult difficulties in a single go.

Rather than spending day by day scouring net boards for “how-to” details, the following you'll locate greater than 60 recipes that take you thru the total means of growing actionable intelligence out of your uncooked facts, it doesn't matter what form or shape it's in. in the first half-hour of starting this ebook, you'll methods to use the most recent in Python and NoSQL databases to glean insights from info simply ready to be exploited.

We'll commence with a quick-fire creation to Python for BI and convey you what difficulties Python solves. From there, we movement directly to operating with a predefined facts set to extract information as in step with enterprise necessities, utilizing the Pandas library and MongoDB as our garage engine.

Next, we are going to examine information and practice ameliorations for BI with Python. via this, you are going to assemble insightful information to help you make educated judgements in your company. the ultimate a part of the ebook will convey you an important job of BI―visualizing info by way of construction wonderful dashboards utilizing Matplotlib, PyTables, and iPython computing device.

Show description

Read more

Download E-books Introduction to Computation and Programming Using Python: With Application to Understanding Data (MIT Press) PDF

This ebook introduces scholars with very little earlier programming event to the artwork of computational challenge fixing utilizing Python and diverse Python libraries, together with PyLab. It presents scholars with abilities that may permit them to make efficient use of computational strategies, together with the various instruments and strategies of information technological know-how for utilizing computation to version and interpret information. The ebook is predicated on an MIT path (which grew to become the preferred direction provided via MIT's OpenCourseWare) and was once built to be used not just in a standard school room yet in in an enormous open on-line path (MOOC). This new version has been up to date for Python three, reorganized to assist you to use for classes that hide just a subset of the cloth, and provides extra fabric together with 5 new chapters.

Students are brought to Python and the fundamentals of programming within the context of such computational options and methods as exhaustive enumeration, bisection seek, and effective approximation algorithms. even though it covers such conventional issues as computational complexity and straightforward algorithms, the booklet makes a speciality of a variety of subject matters no longer present in so much introductory texts, together with info visualization, simulations to version randomness, computational ideas to appreciate info, and statistical concepts that tell (and lie to) in addition to similar yet quite complicated subject matters: optimization difficulties and dynamic programming. This variation bargains extended fabric on data and computing device studying and new chapters on Frequentist and Bayesian statistics.

Show description

Read more

Download E-books Python and AWS Cookbook PDF

By Mitch Garnaat

If you want to use Amazon net companies (AWS) for distant computing and garage, Python is a perfect programming language for constructing purposes and controlling your cloud-based infrastructure. This cookbook will get you all started with greater than dozen recipes for utilizing Python with AWS, in line with the author’s boto library.

You’ll locate targeted recipes for operating with the S3 garage provider in addition to EC2, the carrier that allows you to layout and construct cloud functions. each one recipe incorporates a code answer you should use instantly, in addition to a dialogue of why and the way the recipe works. you furthermore mght get specific recommendation for utilizing boto with AWS and different cloud services.

This book’s recipes contain how to support you:

  • Launch cases on EC2, and maintain song of them with tags
  • Associate an Elastic IP tackle with an instance
  • Restore a failed Elastic Block shop quantity from a snapshot
  • Store and computer screen your personal customized metrics in CloudWatch
  • Create a bucket in S3 to include your information objects
  • Reduce the price of storing noncritical data
  • Prevent unintended deletion of information in S3

Show description

Read more

1 2 3 4 8