Wednesday, March 11, 2020

A Food Wastage Reduction Mobile Application


Abstract— Wasting food is a common problem in our society. Food waste management is crucial since it can improve our environmental and economic sustainability. We have identified the use of mobile technology to reduce food waste management and built an android mobile application that allows restaurants to donate and share their foods and leftovers with people in need. This app will enable users to register, login, view items, add items, add items to cart, remove an item from the cart, and log out. This app is using the firebase storage and real-time database. Any user in need can see all the food images donated by different users and add it to his or her cart.
I.INTRODUCTION
Mobile phone applications have seen wide use in recent years [1, 2]. It's known that Android is the most popular platform for mobile, right now android is used on over 190 countries in the world on millions of mobile devices. Android is the most installed platform for mobile, and the number is increasing rapidly since almost 1 million users every day purchase new Android devices and use it immediately to get digital content such as games, application, and many other services [3]. Due to that, we developed an android application “FoodReduction App” using android studio because it will reach a wider range of audience since most people nowadays use android phones. To improve the performance of the image processing algorithms, noise estimation can be used to adapt the detection step [4]. The purpose of this development is to limit the wastage of food in the United Arab Emirates. Many restaurants tend to throw the leftover food at the end of the day even though the food is perfectly fine to be eaten, which means that huge amounts of food are wasted. While all that food is being wasted, some families can barely afford proper meals with their limited money. They don't get enough nutrition due to the lack of having three meals in a day. Therefore, we decided to create our application to link the restaurant with the unfortunate people, so instead of throwing the food, the unfortunate will be able to pick it up from the restaurant at the end of the day. The application allows the restaurants to log in, and upload an image of the meals they have as leftovers along with a description of that meal, and the location where to pick it up. The users then, can log in and choose the meal suitable to their choice and can pick it up once they send a request to the application.


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II.LITERATURE REVIEW
According to [5], food waste is a significant issue around the world. It is predicted through a survey that more than 58 percent of food that people produce for consumption is wasted every day. Whereas, more than 60 percent of people in the third world countries are dying in malnutrition without proper food for a living. Therefore, the technologically developed countries are emphasizing more on this issue. Therefore, that less food can be wasted and can be distributed to the needy people. According to [6] in the age of modern era, where we are developed through artificial intelligence, people are more dependent on the smartphone. There are various applications, which are developed to control the huge wastage of food, and it provides the opportunity to send that extra food to the people who need it. There are multiple applications, which control food waste. The most useful food waste application for android and apple are discussed below:
A.Food waste application of Singapore (11th Hour)
Tan Jun Yuan who is a food stall hawker from Singapore felt very bad noticing that people waste so much food in every year. He saw many vendors with leftover foods in a day. The quantity was 10 to 15 bowl of pork ribs served including other foods that he served the customers per day. He also saw that more than 35 percent of food he made every day was left as extra. Therefore, he created the application named 11Th Hour. This application provides the left and unused foods at the half of their original price before the restaurants are closed. After the creation of this application, there were almost 20000 downloads of this application [7].
B.Food waste reduction application from Netherlands (NoFoodWasted)
August de Vocht, a citizen of Netherlands developed this application to reduce the amount of food waste. This application makes collaboration with the supermarket so that people can be aware of the foods that will be expired very soon. According to [8], it helps the users to upload their grocery items, which will expire soon so that people who are in need of food can buy them at a reduced price and use them. It helps to stop the wastage of excessive foods. More than 20000 people have found this application useful, and it has reduced the amount of food wastage in the Netherlands.
C.An application to control food waste by UK and Ireland (FoodCloud)
This application has been declared as one of the useful food wastage application in the United Kingdom as well as Ireland. This application notifies the supermarkets about their surplus food so that the charitable societies can collect them and reduce the chances of food wastage. This application works as an intermediate that provides the type of foods and arranges the pick-up for the charities. It also collects and stores the food so that the charitable societies can collect the food according to their requirements. According to [9] more than 1200 business hubs and 3000 charitable societies work under this application to provide excess foods to the homeless people.
D.Food wastage Reduction Application from Africa (Cheetah)
Some researchers from the University of Twente have developed this application to reduce the number of food wastages in Africa. It is seen that various fruits and vegetables lose their ability to be consumed due to poor road circumstances, less refrigeration in Africa. This application is created to gather those food items before they get rotten and distribute it to the needy malnutrition people of Africa. Dutch Ministry of Foreign Affairs helped the researchers in the development of this application. Mostly, farmers, the food transporters use this application, and it also helped them to reduce the chances of food bribing in Africa. It is expected that the public version of this application will be released within May, next year [10].
E.Indian Food Wastage Reduction Application (No Food Waste)
No Food waste is an application from India that allows the restaurants, food stalls and parties to inform about their excessive leftover foods so that needy people can collect them for their usage. This application collects those foods and distributes those among the homeless people, slum dwellers and orphanages as well as nursing homes. According to [11], the users can also notify them by showing hunger points, and they will distribute the foods to there. The only requirement is they take foods only if it is prepared two hours before. These applications have changed the use of artificial intelligence by providing food to the needy people. It is considered one of the best uses of software development. However, food wastage is still a bad habit. According to [12], people need to be more careful while preparing or ordering food because many people around the world do not get to eat. Food wastage reduction has decreased a lot due to the usage of this application, but people need to be more sensitive and careful so that a better world can be created where no food is wasted.

III.CONCLUSION AND FUTURE WORK
Our study has investigated the problem of food waste that has many serious side effects economically and socially. However, the wastage of the food can be prevented or at least decreased using political rules and technology. Mobile application technology is beneficial for food waste management. The app aims to encourage better food management. Our proposed solution should reduce food wastage by facilitating food sharing in UAE community using mobile technology. This work is an initial step towards designing a better system to reduce daily food waste. In future, this app could be enhanced more by adding the following features: Extending our app to have many types of donating users either from organizations such as restaurants, or a family or a single user Adding the location (GPS) facility to our apps. The donating user should specify the location of the shared food. Adding the time and date of each meal shared by users Making the app supports multiple platforms (cross-platform app)

Monday, January 13, 2020

An Android-Based Emergency Alarm and Healthcare Management System

An Android-Based Emergency Alarm and Healthcare Management System

Now with the growing social pressure and the life more and more quick steps, most people are facing with health problems, especially a lot of high-level personnel who are in sub-health. And modern social accidents occur frequently. It is more important to design a health security system for people. As mobile phones play more and more important role for people, it is the best choice that the system will be deployed on mobile phones. Normally, a healthcare emergency alarm system is deployed on an independent device, wired or wirelessly linked to a gateway, and then connected to the hospital or emergency center, such as [6] and [8].But the disadvantage of such systems is obvious: once getting out of the coverage of the gateway, the system won’t work anymore. A healthcare management system has two main functions. The one is life reminder system. The other is On-Line medical. However the life reminder function is useful and helpful for the senior people and chronic patients to give a friendly reminder for medicine and so on, such as [9]. But most of the healthcare management system is separated from the emergency alarm system, which means the users have to keep two systems at the same time. Apparently it is not convenient at all. According to these disadvantages, deploying the systems on cell phone is undoubtedly a better choice. As a carrier of emergency alarm and healthcare management system, there are some advantages for cell phone. First, the cell phone is convenient to carry. People always carry a cell phone with them, so they can trigger an alarm or get the prescription from the HIS at everywhere and everytime. Second, open operating systems on cell phones, such as iOS, Android and Symbian have many applications and easy to extend by developing application. Third, by the cell phone, user can make a phone call to their friends and family, and with the help of GPS chip, their location can be acquired. Finally, the phone can make fall detect by gravity sensor. For example, if an old man accidentally falls down, the phone can automatically trigger an alarm. In this paper, we choose GPhone (Google Phone) [10] as our platform.

 
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Friday, January 10, 2020

A New Express Management System Based on Encrypted QR Code

ANew Express Management System Based on Encrypted QR Code

Android PHP Projects
Abstract—Recently, the express service develops rapidly.However, traditional express service suffers from severalnoteworthy drawbacks, e.g., low level of informatization, high-risk of information leak and low efficiency of freight. In thispaper, we propose a new express management system based onencrypted QR code to overcome above problem. Firstly, thesystem adopts an encrypted QR code to store all information ofgoods. Secondly, after courier scan the encrypted QR code byusing our designed APP for smart phones, the real-time logisticsinformation of goods in the database is automatically updatedthrough GPRS (General Packet Radio Service) or Wi-Fi. https://codeshoppy.com/latest-mca-project-topics-2018.html
In themeantime, the server sends the real-time logistics information ofgoods to consignee. Thirdly, the APP provides an optimaldelivery route for courier by employing the improved geneticalgorithm. Lastly, at the delivery point, after the courier scansthe encrypted QR code, the APP automatically sends a messageto consignee to receive goods. Our benchmark research showsthat the new express management system can effectively protectthe privacy of clients, improve efficiency of express service1.Keywords-Code; Express Management System; Software

INTRODUCTION 
With the rapid development of electronic commerce,express service suffers from many opportunities andchallenges [1]. According to the data from SPB (State PostBureau), the total income was 204 billion RMB at the end of2014. The total income and growth rate of express servicefrom 2009 to 2014 is shown in figure 1. 
Although express service develops rapidly, a fewshortages have still existed, which are listed as follow: Many express companies still use bar codes [2] on theexpress label [3]. Restricted by information capacity, the barcode can not store much beneficial information.2) From the traditional express label, we can see muchprivate information, e.g., name, address and phone number.The exposure of personal information may bring somepitfalls to clients [4].3) Traditionally, courier informs to consignee to receivegoods by manually sending SMS (Short Messaging Service)or making telephone calls [5]. This way will be not efficientif the number of goods is large.4) At present, the delivery route mainly depends on theexperience of courier [6], which will make repetition ofdelivery route and lower the efficiency.To solve above problems, in this paper, we propose anew express management system based on encrypted QRcode.In contrast to existing express management system, tobest of our knowledge, the main contributions of this paperare as follow:1) The private information of clients can be protected byemploying encrypted QR code which stores all information.2) The logistics information of database is automaticallyupdated after the courier scans the encrypted QR code. Itincreases the efficiency of refreshing data.3) The designed APP software provides the optimaldelivery route for courier, which is convenient andefficiently.4) At the delivery point, the APP software canautomatically send messages to the consignees to receivegoods after courier scans the encrypted QR code, which cansave lots of time.

THE ARCHITECTURE OF SYSTEM
 In this section, we describe the new express label andarchitecture of system.Figure 2 shows the new express label. It is composed oftwo components, namely encrypted QR code and textinformation. Firstly, the QR code concludes all information,includes name, address and phone number of consignee,2015 8th International Conference on Intelligent Computation Technology and Automation pattern of payment, invoice information and so on. Therefore,it can effectively avoid reveal of private information. Theother part is text information, includes delivery address andthe identifier. Couriers can easily delivery goods by readingthe delivery address. Consignees can find the goods quicklythrough the identifier.The architecture of new express management systembased on encrypted QR code is shown in figure 3. Inconclusion, the process of new express management systembased on encrypted QR code is listed as follows:1) According to the corresponding information of client,the encrypted QR code is generated.2) After courier scans encrypted QR code by usingdesigned APP software, the real-time logistics informationof goods in the database is automatically updated throughGPRS or Wi-Fi. Therefore, it can improve the efficiency ofinformation update. Additionally, the server sends the real-time logistics information of goods to consignee.3) After courier scans the encrypted QR code label, theAPP software automatically sends message to consignee toreceive package. Consignee finds his own goods through hisown identifier, and completes the signs of the goods.

THE DESIGN OF SYSTEM
In this section, we describe the design of new expressmanagement system.1) The pattern of C/SThe new express management system employs thepattern of C/S (Android Client/Server). In addition, we adoptTCPTransmission Control Protocolto communicatewith Android client.The functions of Android client include the scan of QRcode label, the calculation of optimal delivery route, and soon. The functions of server include logistics informationupdating, database storage, and so on.2) The QR code encryption algorithmTo protect private information of clients, the QR codeshould be encrypted through a simple encryption algorithm.Each character occupies one byte space, e.g., the ASCIIAmerican Standard Code for Information Interchangeof‘a’ is 0x61. If ‘a’ pluses 3, it will change into ‘d’. Thus wecan encrypt the string by this simple feature.It assumes that the string ‘info’ needs to be encrypted.An encrypted array),...,,(][21krrrkshas been created byserver.iris a random integer and varies from 0 to 10. Theneach character belonged to string ‘info’ plusesir.Finally,the encrypted QR code is generated.