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Can I use Intel RealSense technology to ... try on place? "Why non," Volumental decided, "after all, the foot is the same terzetto-dimensional physical object as the others and thence can live 3D-scanned." And, imagine, they used it, achieving excellent accuracy - up to 2 millimeter! This curious lesson shows how wide the possibilities of using RealSense are and how umteen untested opportunities are waiting for their time and their researchers.

If you ever bought children's shoes, then you know that choosing shoes of the conservative sizing is very difficult. The child grows, and the purchased place quickly become small. To boot, it is not so cuneate to persuade the child to vindicatory sit in place to try along several pairs of shoes. After this, you still ask to read how accurately and truthfully the child answered whether He could fit new sneakers, especially if they depict a character from a favorite cartoon.
Only what if you could cursorily and accurately measure your child's feet before difficult on shoes to select among the pairs exactly the right size?

Volumental and Intel RealSense Technology

Company Volumental plans to implement this approach using Intel RealSense technology. Three-dimensional scanning to accurately determine body size will be used non only for measuring legs and buying shoes. King of England Walerud, Volumental CEO, says: "We trust that entirely clothing and shoes should be successful to measuring stick, according to the accurate size of each person." Volumental experts believe that solid scanning of body parts testament allow greater habit of the possibilities of individual fitting of various products, non but shoes and clothes, but also medical devices. And now, thanks to Intel RealSense technology, these features are available for the quite a little market.

Volumental is a young party working in the domain of cubical scanning of the human body. The company was formed on the basis of a computer vision research project regulated at the Head of state Technological Institute of Stockholm. When Intel declared the release of Intel RealSenseTM hardware and software, Volumental now drew attention to this technology and decided to use it atomic number 3 the ground for 3D model and visualisation programs. However, to movement from a undiversified concept to a well-developed project, IT was obligatory to solve many an problems.

Intel has released a exploiter-directed Intel RealSense F200 camera, which is built into Ultrabooks, transformers and all-in-ones, patc Volumental wrote code to measure and make three-dimensional models of legs, first for children (since trying on children's shoes is more difficult) so for adults. Volumental experts tested users to understand how customers would "by nature" try to measure their feet using a tablet or laptop. Users intuitively sought to drive the twist around their feet for scanning (Figure 1) instead of just placing the device along the coldcock.


Figure 1. Testing with users.


Bod 2. Step-ladder mode and stand-up position with the screen facing out.

After watching the preparation video in which the device was on the floor, users agreed that information technology was more convenient. Information technology clad that it was most convenient when the transformer laptop was installed in the "step-ladder" mode or simply with a vertically raised screen deployed outward from the keyboard (Common fig tree. 2). It is important that users can scan both bare feet and feet in socks, since IT was essential to produce a product, when working with which people would not feel awkward, everything should be extremely simple and intuitive. Adding book of instructions on how to the right way install the twist for each of the three poses made it possible to get good results in the home.

In retail stores, where in the shoe departments it is necessary to give customers the possibility of self-serve, but simultaneously to avoid stealing of devices, they advisable using stationary kiosks for scanning legs, as shown in Fig. 3. The diagrams on the lower platform display the buyer how and where to stand.


Figure 3. Cubicle for selecting shoe sizes

Using Intel RealSense profoundness and color cameras, Volumental developers created an application program that takes blocky pictures of bare feet Beaver State socks. The covering scans the legs from three angles, recognizes the legs and their direction (Ficus carica. 4).


Figure 4. Three shots.


Figure 5. Results on test.

The Intel RealSense 3D camera provides some a colorize image and the corresponding depth information for to each one pixel. Volumental package analyzes the data of these images and provides information on the duration, width and girth of the foot lift, creating a useful three-magnitude model of the user's legs. The resulting model contains thousands of measurements, IT can be used to advocate the powerful sizing of finished shoes, and to range shoes accordant to individual measurements.

In figure. 5 shows an example of a three-dimensional model of the legs of a customer. Shoe stores can provide each customer with horseshoe catalogs of just the right size up.

How it works

Victimisation pre-beta equipment and the Intel RealSense SDK 2014, Volumental, Intel, and PLAE (a children's shoe manufacturer in San Francisco) showed off their children's foot measurement system at the 2014 Intel Developer Meeting place in San Francisco. At the beginning of 2015, Volumental and Intel showed slay their latest development - a non-slave-standing unmoving kiosk with a computer and Intel RealSense F200 camera at the human foot level. So much kiosks are contrived to be installed in the skid departments of some retail stores in 2015.

ShoeSizer combines computing machine vision and machine encyclopaedism to make over correct 3D foot models in seconds. The system works straight if the legs move (not too much), because algorithms for tracking three-dimensional trajectory are applied and an accurate result is achieved.

Software algorithms are based on machine learning; large leg databases were used to develop the organization in order to achieve the creation of accurate models even with insufficiently vivid images or in the absence of data. Algorithms and processing techniques are the intellectual belongings of Volumental, just Intel has helped improve program performance through with multi-rib processing using OpenMP *. Ready-successful models bear such more selective information about foot size than just the justly shoe size.

Other tasks

Touch screen systems require the use of manpower, which is inconvenient if the system should be at foot equal. However, the developers appreciated and used other features of Intel RealSense engineering science, including the ability to use voice commands. The stall receives the user's phonation commands to start the scan.

It was also necessary to take into account that there are a large number of socks of different types, different colors, with varied patterns and textures of the fabric. Very careful testing was needed to determine that the system whole kit and boodle foremost with white cotton socks, but you can also wear socks of strange colors or with a radiation diagram. Black socks with a impenetrable texture are the most difficult to recognize. Volumental code had to be refined to support a wider range of images. Additionally, even the color of the floor and its texture are important, since the plane of the coldcock is embezzled into accounting in the measurements. In this regard, one of the advantages of a stationary cubicle for measurements is that the buyer does not put his foot on the floor, but on the kiosk site, the distort and texture of which are known advanced to the developers of the system.

Not just shoes

Carlovingian Wellrad, Volumental Chief executive officer, states: "This is sporting the beginning for Volumental. We are going to release products settled along this model and develop general commercial use. We are pleased to take the opportunity to make up the first-year to launch such solutions on the market. We believe that expedient recording of foot size data is the first step towards a completely new approach to shoe production, which will more closely match the individual sizes of customers. In the future, the principles of production will shift dramatically: the individual wishes of customers will beryllium taken into account to a much greater extent than now. "

The technology was originally developed for retail shoe stores, but it as wel has certain advantages in areas much atomic number 3 prosthetics and the initiation of medical devices. Using this technology, lead footwear companies leave be able to offer their customers shoes that are unblemished in size. Volumental is currently working on several projects with partners in prosthetics and custom-made shoes, in gain to major retail shoe stores. With Intel's new cameras, you'll soon see 3D scanners for customers in all stores.

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