Authenticated Medical Image Transmission using Enhanced Reversible Data Hiding (RDH) with NNP2 Algorithm and Rhombus Prediction

During the last few years, the medical information of concerned patient is transferred from one doctor to another doctor via internet for better diagnosis and studies. Transferring medical information over a transmission medium is known as telemedicine. Telemedicine has been used to overcome distance barriers and to improve access to medical service. The telemedicine application includes emergency treatment, home monitor, military applications, and medical education. These medical images are corrupted by hackers when it is transferred through internet. Hence security of medical images is necessary. Watermarking is used for providing security while transferring medical images. Reversible Data Hiding (RDH) is one of the efficient methods for secure transmission of medical images. In this method, data hiding capacity is very small and the distortion level of recovers images is very large. To avoid these drawbacks, Nearest Neighborhood Pixel Prediction (NNP2 ) algorithm based on Chinese Remainder Theorem (CRT) is proposed and Rhombus Prediction is applied in NNP2 to increase data hiding capacity. The distortion level is reduced by Histogram Shifting. The performance of proposed method is evaluated using PSNR for number of medical images. The results shows that the proposed method gives good results when compared with traditional methods.

Perancangan Sistem Pengontrol Keamanan Rumah dengan Smart CCTV Menggunakan Arduino Berbasis Telegram

The development of increasingly modern times like now, has make us to always be inspired and provide new ideas in developing appropriate and advanced technology, then it needs a tool that can help humans to facilitate access to obtain information, one of them is home security information, because not a few criminal acts that occur in our homes when we are outside, then more supervision is needed, so with that problem created the idea to make a tool (smart cctv) as our home monitor by utilizing the telegram application as a remote controller, serial camera VC0706 as a media image capture, and using the NodeMCU ESP8266 as the controller. After the prototype test results which is conducted each function of each component used already functions in the order specified, when the device is activated NodeMCU ESP8266 will be directly connected to the specified Wi-Fi network, a camera connected to a surveillance monitor can also automatically take pictures at the same time and send images to the Telegram application when the sensor detects movement, the buzzer will also automatically ring so that it can provide information to those around that at our house there is a crime attempt.

Wireless Electroencephalography Based Blood Pressure Monitoring

The number of cardiac patients and aged individuals are at a rise all around the world. Taking care of such individuals is a major challenge these days. In many cases, these patients require special care and regular monitoring of vital signs like blood pressure (BP). Focusing a prevalent idea of wireless brain-computer interface (WBCI), an innovative research work is considered to meet essential routine monitoring of BP for cardiac patients and aged people without any reliance. The research framework involves the use of wireless electroencephalogram (EEG) headset to control wrist BP and arm BP monitors to determine accurate BP readings in the proposed system. An Android application "Smart Home Monitor" is developed that screens the information from the headset. The research framework is tested on ten individuals to examine the precision in BP readings from two different BP monitors. Results specify that both upper arm blood pressure readings i.e. Systolic BP readings (SBP = 119.6 ±5.1 mmHg) and Diastolic BP (DBP = 79.5 ±7.4 mmHg) were found to be better than the wrist BP readings (SBP = 128.2 ±11.7 mmHg and DBP = 83.6 ±10.3 mmHg). This examination assessed that the designed system empowers the framework to be reliable, remote and compact.

Design One Kind of Simplified Smart Home Monitor and Controller Based on ARM-Linux System and Information Network to the Public

A smart home structure using network (internet, intranet, wireless etc.) is designed and developed to monitor the circumstances and control the appliances in the house when sensors are triggered by some unexpected cases. A good host of low-cost sensors is used to make anti theft alarm, fire alarm, smog alarm etc. And then transmitted these data got from the measuring devices to neutral module. The neutral module is constructed by ARM-S3C6410 hardware and embedded Linux. It can transmit messages to the householders after processed. The householders can visit the web server to make it clear what happened in the house. Moreover, they can control some appliances to make incidences back to normal through the Internet. If the owners are holding mobile phones, the neutral module will transmit text messages to them. In turn, they can also control the appliances by sending some specific instructions. And then the neutral module will give some other messages as feedback. Additionally, visible interphone technology also makes function in this system. A LCD is organized in the neutral module, one person who stays in the house can make a good conversation with others through neutral platform. Finally, a series of experiments are posed to estimate the performance of our solution.

Process evaluation of a nurse-led telemonitoring programme for patients with asthma

We performed a process evaluation of a nurse-led telemonitoring programme for patients with asthma. The indicators used to evaluate the programme were feasibility, consistency of peak expiratory flow (PEF) tests, compliance and patient satisfaction. Patients in the intervention group received a home monitor in which spirometry results and symptoms could be recorded. They were asked to measure PEF in the morning and evening. A nurse studied the home monitoring data and took stepwise actions in accordance with the intervention protocol. During a 12-month study period, 55 patients were allocated to the intervention group (26 adults and 29 children). Although technical and logistical problems did occur, the dropout rate was low. At least 75% of the PEF manoeuvres were valid for two-thirds of the patients. Compliance with the study protocol was high. The average number of recorded PEF tests was 1.5 per day, which was less than the two tests per day that were required by the protocol. Patient satisfaction was high and, after one year, less than 20% of the participants chose to discontinue their participation. The results indicate that nurse-led telemonitoring for a motivated group of patients with mild to moderate asthma is feasible and reliable, and satisfying to patients.