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Web5 is here. Goodbye Web3? TBD.

<a href="https://uxdesign.cc/designers-guide-to-hardware-and-software-for-mobile-ar-5c800503676d?source=rss----138adf9c44c---4">uxdesign.cc &ndash; User Experience Design &mdash; Medium</a> | Bushra 
This article is an offshoot of the ongoing series ‘A Quick Guide to Designing for AR on Mobile.’ Catch up on <a href="https://medium.com/@goatsandbacon/a-quick-guide-to-designing-for-augmented-reality-on-mobile-part-1-c8ecaaf303d5">Part 1</a>, <a href="https://medium.com/@goatsandbacon/a-quick-guide-to-designing-for-augmented-reality-on-mobile-part-2-fb76fe87dd41">Part 2</a> and <a href="https://medium.com/@goatsandbacon/a-quick-guide-to-designing-for-augmented-reality-on-mobile-part-3-2380f253467a">Part 3</a>.
<h3>The First Steps</h3>
​​This article is not intended to teach (or even encourage) designers to code. My goal is to get you comfortable with the emerging AR landscape and give you insight into how an AR app is made.
Hardware and software are easy to overlook when focusing on design and experience. However, when working in new and emerging tech, knowing how things work can help inspire and even bring innovation to this space.
The following is a high-level breakdown of the different parts that make an AR application work on a mobile device.
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*5N6qaAVyycuOrw7WOsgJ8A.png">
<h3>What Makes a Computer Work?</h3>
Before we start, it’s probably worth understanding how a device is able to run in the first place.
All computers have a processor which serves as the brain of a device; it is the part that makes things work by performing mathematical operations.
<img alt="" src="https://cdn-images-1.medium.com/max/625/0*VeA6Q7XnD5S-Zbeq.">The A11 Bionic chip inside the iPhone X
Processors come in the form of chips, and these chips contain several hardware units. The hardware unit that reads and performs a program instruction is called a core.
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*ltL75hLDEEmdStnbjOkzmw.png">
Put a few cores together, and you have CPU (Central Processing Unit). A CPU processes information step-by-step.
Put a few THOUSAND cores together, and you have a GPU (Graphics Processing Unit). GPU processes in groups parallel to each other at the same time.
The GPU renders a graphic in several parts rather than in one piece. The GPU also increases frame rates and makes things look better and smoother in general.
Mobile devices have what’s called a SOC (System on a Chip), a single chip that packs and condenses all the large parts of a desktop device together, such as the CPU and GPU.
<h3>The Cost of Mobile</h3>
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*hB1ayqQ2FLvRQywZjgY92g.png">
Rendering in 3D is an expensive task and therefore needs a lot of power. The more intensive a job is, the more heat a device produces. Balancing this temperature impacts how powerful a device can physically be. Most high-performance computers come with cooling mechanisms such as fans and even liquid coolers to prevent meltdowns.
Since mobile phones need to be as lightweight and portable as possible, these devices cannot physically afford add-on parts for cooling and thus are limited in power. This is the main reason why 3D graphics that would otherwise be smooth on a desktop, takes a hit in performance and quality when experienced on mobile.
<h3>How Does a Computer See?</h3>
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*4x42w7f8i4pQUowWPExeAQ.png">
The process of a computer acquiring, analyzing and processing data from the real world is called Computer Vision. The most common method of ingesting information is through a camera. However, the most accurate way is to use sensors. A sensor is a piece of technology that detects information from its surroundings and then responds back with data.
<h4>Common Sensors Found Inside a Mobile Device</h4>
These definitions are high level so it should be noted that each sensor has a wide range of capabilities by themselves and in combination.
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*UQiCrvAF70ijHbApqGkKLQ.png">
<ul>
<li>Depth Sensor: Calculates depth and distance.</li>
<li>MagnetoMeter: Essentially a compass that can always tell where north is.</li>
<li>Gyroscope: Detects the angle and position of your phone.</li>
<li>Proximity Sensor: Measures how close and far something is.</li>
<li>Accelerometer: Detects change in velocity, movement, and rotation.</li>
<li>Light Sensor: Measures light intensity and brightness.</li>
</ul>
<h3>How Does a Computer Understand What it Sees?</h3>
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*etoGH3oMMLWt9IG0CV0jIA.png">
It’s one thing to gather data but another to make it meaningful. For example, calculating the distance between a phone and a door can be easy with a sensor. However, trying to identify the door can be extremely difficult. The computer must understand what makes a door different from a wall or a window? It must also comprehend the different types of doors that it is likely to encounter. An open-source software library like <a href="https://www.tensorflow.org/">Tensor Flow</a> by Google makes it easy and fast to train a computer to understand what common objects like a door is.
DEFINITIONS
<ul>
<li>Artificial Intelligence (AI): Making a computer perform a task just like a human would.</li>
<li>Machine Learning(ML): The process of learning and improving by performing tasks for better AI.</li>
<li>Deep Learning(DL): Subset of ML that learns, corrects, and comes to conclusions by itself.</li>
<li>Artificial Neural Networks (ANN): A network of algorithms that performs several tasks that enables Deep Learning.</li>
</ul>
<img alt="" src="https://cdn-images-1.medium.com/max/600/0*QUyjbQmbpT53K3yF.">Apps like <a href="https://lobe.ai/">Lobe</a>.ai make it easy to compose using Artificial Intelligence.
Similar to 3D, AI can also be an extremely process intensive task on a phone. To help maximize performance, device manufacturers like Apple have started to introduce a piece of hardware unit called a <a href="https://en.wikipedia.org/wiki/Apple_A11">“Neural Engine”</a>. This is a specific piece of technology that allows for faster performance of AI related tasks.
<h3>Software Terminology</h3>
The following definitions are flexible and continuously evolving based on the developer landscape.
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*rHkk_AqZ959djt7cafpIRg.png">
<ul>
<li>Platform: The operating system something gets specifically built for. e.g., Writing code for an iOS app means that an Android app cannot share the same code.</li>
<li>Engine: Software that can convert, power and render different types of data into content. e.g., <a href="https://unity3d.com/learn/tutorials/topics/physics/bouncing-ball">Creating a sphere in Unity and adding the ability to bounce</a>.</li>
<li>Framework: A collection of predefined code that enables quicker development. e.g., Rather than writing code for lights from scratch, <a href="https://developer.apple.com/documentation/scenekit/scnscene/1639532-lightingenvironment">Scenekit for iOS offers built-in lights</a>.</li>
<li>SDK (Software Development Kit): A collection of third-party tools and frameworks that supports or adds new functionality to an app. e.g., <a href="https://www.twilio.com/video/augmented-reality">Adding voice support using Twilio</a></li>
</ul>
<h3>Types of Engines</h3>
Engines can come in several forms. A gaming engine like <a href="https://www.united.com/ual/en/us/">Unity</a> has its own interface for real-time 3D authoring, but it can also be embedded inside an application. A rendering engine like <a href="https://www.chaosgroup.com/">V-Ray</a> comes as a plug-in for other 3D applications. Software can also have multiple engines depending on the users’ needs. The following are examples of common engines:
<img alt="" src="https://cdn-images-1.medium.com/max/1024/1*PbXM_F2ZTtZCnkWd-I-WbA.gif">
<ul>
<li>Graphics Engine: This is the primary technology that draws the images on all screens. e.g., Makes a sphere shape.</li>
<li>Rendering Engine: Still a graphics engine, but specialized for transforming 3D models into stylized or photorealistic images and video. e.g., Makes the sphere look hyper-realistic.</li>
<li>Physics Engine: Simulates how objects would react under the real-world constraints such as gravity and physics. e.g., Makes the sphere bounce.</li>
<li>Gaming Engine: A software environment that contains things like physics engines as well as support for particles, audio, logic, and AI. e.g., Makes the sphere change colors when moved up or down.</li>
</ul>
<h3>Common SDK’s and Frameworks</h3>
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*utxjVARpq1LkKvsPmmb1TA.png">
These tools make it so that a developer doesn’t have to code an application from scratch each time. Frameworks also offer crucial features that may require specialized knowledge to code.
There are tons of AR SDK’s and frameworks out in the market at the moment (and the list is only growing!). It is important to note that the platform directly impacts the technology that gets used. Some kits can accommodate several platforms, whereas others are made for a single platform and/or device only.
<h4>Examples:</h4>
<ul>
<li><a href="https://www.vuforia.com/">Vuforia</a>: Works on iOS, Android, and UWP (Universal Windows Platform)</li>
<li><a href="https://developer.apple.com/arkit/">iOS AR Kit</a>: Developed by Apple, iOS only.</li>
<li><a href="https://developers.google.com/ar/discover/">AR Core:</a> Formerly part of ‘Tango’ Developed by Google, Android only.</li>
<li><a href="https://blog.mozilla.org/blog/2017/10/20/bringing-mixed-reality-web/">WebXR:</a> Still in development by Mozilla, browser-based.</li>
</ul>
<h3>What’s Next</h3>
<img alt="" src="https://cdn-images-1.medium.com/max/720/1*zSo2V2BbVjg5LmuiQlvxsw.png">
Designing for mobile is currently a surefire way of making sure an experience gets into the hands of the most users possible. Not everyone has smart glasses right now, but nearly everyone has a phone. However, a mobile phone was not necessarily designed for AR experiences and therefore has a lot of points of friction.
Unlike phones, glasses are a more seamless way of experiencing an environment since it locks the content to your peripheral. Glasses make it easier to use gestures and freely move your hands, this introduces a new set of interactions that designers have already started to <a href="https://twitter.com/LeapMotion/status/988749463215857664">explore.</a>
There is a race for consumer-friendly AR headsets, and the number of manufacturers is on the <a href="https://www.tomsguide.com/us/best-ar-glasses,review-2804.html">rise</a>. It’s only a matter of time before an affordable headset makes waves in the consumer market.
With so much happening in this space, design and experience will continue to be the differentiator between these products.
Thank you for reading, If you have any additional thoughts, would like to suggest a topic or just chat about the future of design: You can reach me <a href="https://twitter.com/goatsandbacon">via twitter</a> or on my <a href="http://www.bushramahmood.com">website</a>.
Special thanks to <a href="https://twitter.com/3dfordesigners">Devon</a>, <a href="https://twitter.com/brendan_ford">Brendan</a>, <a href="https://twitter.com/dylandepass">Dylan</a> and <a href="https://twitter.com/bhautikj">Bhautik</a> for the help and insight.
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<a href="https://uxdesign.cc/designers-guide-to-hardware-and-software-for-mobile-ar-5c800503676d">A designer’s guide to hardware and software for mobile AR</a> was originally published in <a href="https://uxdesign.cc">UX Collective</a> on Medium, where people are continuing the conversation by highlighting and responding to this story.

A designer’s guide to hardware and software for mobile AR

A designer’s guide to hardware and software for mobile AR

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