Chameleon Browser for Public Device Operation

Due to the spread of COVID-19, people are starting to be more aware and careful when touching any devices in public. To reduce physical contact with public devices, we have developed a method that enables users to interact with many kinds of public devices using the browser on their smartphones. This method is called Chameleon because it resembles the ability of the animal chameleon to change its color according to its surrounding environment. We have developed the prototype system to confirm the mechanism of Chameleon. Then, we have applied the Chameleon method to two practical systems in the campus of Nagasaki University that is expected to be used by multiple users. These two systems are a Certificate Issuance System for students and a Digital Signage System, that provides directions to campus visitors. Through these experiences, we confirmed the availability of the Chameleon method as the new type of the browser included not only Web server browsing functions but also public device operation functions.

Hand Written Digits Recognition based on Concatenated LSTMs

Over the last few years, contactless technology has gotten much attention because of the influence of the coronavirus (COVID-19). We focused on the hand written digits using contactless devices, Leap Motion Controller, for an information input method to accommodate the rapidly increasing demand. In this study, we verify the effectiveness of the proposed learning model that divides the subject's hand-tracking data according to the type of fingers and learn with multiple input layer. We set two kinds of evaluation methods. The normal recognition method is that specific subject data includes training and test data. The third party recognition method is that specific subject data does include training data. The classification accuracy calculated by the proposed learning model, the normal recognition method achieves a maximum of 96.7%, and the third party recognition method achieves a maximum of 80.1%. © 2023 IEEE.

Chameleon Browser for Public Device Operation

Due to the spread of COVID-19, people are starting to be more aware and careful when touching any devices in public. To reduce physical contact with public devices, we have developed a method that enables users to interact with many kinds of public devices using the browser on their smartphones. This method is called Chameleon because it resembles the ability of the animal chameleon to change its color according to its surrounding environment. We have developed the prototype system to confirm the mechanism of Chameleon. Then, we have applied the Chameleon method to two practical systems in the campus of Nagasaki University that is expected to be used by multiple users. These two systems are a Certificate Issuance System for students and a Digital Signage System, that provides directions to campus visitors. Through these experiences, we confirmed the availability of the Chameleon method as the new type of the browser included not only Web server browsing functions but also public device operation functions. © 2022 IEEE.

Chameleon: Contactless Operation Application on Campus

Due to the spread of COVID-19, people are starting to be more aware and careful when touching any devices in the public. In this paper, we proposed a method that could help reduce physical contacts with public devices using smartphone. This method is called Chameleon and we have developed the Chameleon so that it functions as an application that can control any kinds of public devices with minimal modifications.To confirm the effectiveness of the Chameleon, we have applied the method to two different systems in the campus of Nagasaki University that is expected to be used by multiple users. The two systems are a Digital Signage System, a system that provides directions to campus visitors, and a PIN type Smart Lock, a system that acts as a door lock. © 2021 IEEE.

Aerodock (a smart, autonomous charging and docking station for unmanned aerial vehicles)

The COVID-19 pandemic has laid bare the need for contactless operations. While unmanned aerial vehicles (UAVs) are being developed to aid humans in countless domains, the need for effective battery management and performance optimization remains a huge task. The proposed solution, the “AeroDock”, aims to tackle these challenges by using wireless power transfer (WPT) technology coupled with smart monitoring of the drone's health. The performance and hardware checks are assessed at the user end via cloud computing and IoT technology. This system is contact-less, safe, reliable and its usage is not affected by external factors. Thus, the AeroDock is a smart docking station for UAVs which eliminates the need for human intervention in effective charging and maintenance. © 2022 Institute of Physics Publishing. All rights reserved.

Chameleon: Contactless Operation Method for Public Devices

Due to the spread of new coronavirus infections, it is desirable to allow people to use public devices such as PIN type smart locks or vending machines without touching them directly. Therefore, we developed a method that enables contactless operation of various public devices using personal smartphones while reducing the impact on existing public devices. This method imitates chameleons of the animal. Therefore, we call it chameleon. We developed the chameleon based on Web application and applied it to PIN type smart locks. Then, we confirmed the effectiveness of the chameleon as the method of contactless operation. © 2021 IEEE.