• Journal of Korean Physical Therapy Science
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• v.10 no.2
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• pp.246-257
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• 2003

Even though the automation of industrial machinery has dramatically increased, most industries still require human hands for the production of goods. Our hands are essential to our existence. For this reason, hand injuries caused by industrial accidents have become an important issue lately. Most hand injuries are external wounds and constitute 38.6% of disabling industrial accidents. This significant statistic cannot be ignored by rehabilitation programs. The rate of success in operations of finger and hand injuries has increased, but relatively less consideration has been given to physical therapy, rehabilitation, research, or systematic installment in terms of welfare, which would help the injured carry on the nominal life they lived before their injury. Therefore, it is necessary to study systematically all related aspects to provide patients with physical therapy, rehabilitation, and social welfare, in order to restore their social, professional, and economical capabilities. Physical considerations, functional usability, and cosmetic restoration, as well as the patients' mental state must be addressed. The results of the study shows several problems. Medical appliances, manpower, and the environment of the treatment rooms are very poor. The patients cannot receive treatment early enough nor enough treatment because of too many patients for too few physical therapists. Close cooperation between physical therapists and doctors, nurses, or related departments is lacking. Furthermore, it is irrational that industrial accident premiums for the exert; e treatment of hand injury patients are not itemized. Lack of recognition of the importance of specialty in hand injury therapists leads to the lack of professionalization of systematic hand injury treatment In order to solve these problems, the professonalism of physical therapy should be acknowledged and particular treatment courses should be available and/or required. Based on the understanding of the hand injury patients' needs, new theories of physical therapy should be developed and modem medical appliances and facilities should be available, in order to provide the patients with qualitative medical treatment, which then will facilitate the patients' recovery.

• Journal of KIISE:Software and Applications
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• v.37 no.1
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• pp.80-84
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• 2010

Tracking hands is an essential technique for hand gesture recognition which is an efficient way in Human Computer Interaction (HCI). Recently, many researchers have focused on hands tracking using a 3D hand model and showed robust tracking results compared to using 2D hand models. In this paper, we propose a novel 3D hand tracking method based on a coupled particle filter. This provides robust and fast tracking results by estimating each part of global hand poses and local finger motions separately and then utilizing the estimated results as a prior for each other. Furthermore, in order to improve the robustness, we apply a multi-cue based method by integrating a color-based area matching method and an edge-based distance matching method. In our experiments, the proposed method showed robust tracking results for complex hand motions in a cluttered background.

• KIPS Transactions on Software and Data Engineering
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• v.4 no.2
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• pp.91-96
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• 2015

We propose AirPincher, a handheld pointing device for recognizing delicate mid-air hand gestures to control a remote display. AirPincher is designed to overcome disadvantages of the two kinds of existing hand gesture-aware techniques such as glove-based and vision-based. The glove-based techniques cause cumbersomeness of wearing gloves every time and the vision-based techniques incur performance dependence on distance between a user and a remote display. AirPincher allows a user to hold the device in one hand and to generate several delicate finger gestures. The gestures are captured by several sensors proximately embedded into AirPincher. These features help AirPincher avoid the aforementioned disadvantages of the existing techniques. We experimentally find an efficient size of the virtual input space and evaluate two types of pointing interfaces with AirPincher for a remote display. Our experiments suggest appropriate configurations to use the proposed device.

• Journal of Digital Contents Society
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• v.15 no.3
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• pp.381-386
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• 2014

Multi-touch technology with the development of IT technology, various forms of recognition technology is positioned as the technology is one. A computer and a human action virtualization technology needed to design a natural interface while haneundedo influence. Human-computer interaction possible through intuitive to many users being able to reach without having to learn the sensory capabilities, will be useful if you could use. This paper presents the design of interfaces to the smart table environment to a conventional multi-touch touch-based, real so that you can use your finger to all the purposes. Growing day by day through the ubiquitous electronic blackboard, desk, furniture and electronics industry is actively being made by IT to incorporate multi-touch based interface because the design is expected to be important. Not far in the future, new ways of learning environment by combining modernization and smart table for meeting various IoT not only affect the environment looks anticipating.

• Smart Media Journal
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• v.4 no.1
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• pp.16-24
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• 2015

In this paper, we propose a method for multi-touch tracking using MRF-based particle filters and gesture likelihood estimation Each touch (of one finger) is considered to be one object. One of frequently occurring issues is the hijacking problem which means that an object tracker can be hijacked by neighboring object. If a predicted particle is close to an adjacent object then the particle's weight should be lowered by analysing the influence of neighboring objects for avoiding hijacking problem. We define a penalty function to lower the weights of those particles. MRF is a graph representation where a node is the location of a target object and an edge describes the adjacent relation of target object. It is easy to utilize MRF as data structure of adjacent objects. Moreover, since MRF graph representation is helpful to analyze multi-touch gestures, we describe how to define gesture likelihoods based on MRF. The experimental results show that the proposed method can avoid the occurrence of hijacking problems and is able to estimate gesture likelihoods with high accuracy.

• The Journal of the Korea institute of electronic communication sciences
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• v.15 no.2
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• pp.291-298
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• 2020

Sign language was designed for the deaf and dumb people to allow them to communicate with others and connect to the society. However, sign language is uncommon to the rest of the society. The unresolved communication barrier had eventually isolated deaf and dumb people from the society. Hence, this study focused on design and implementation of a wearable sign language interpreter. 6 inertial measurement unit (IMU) were placed on back of hand palm and each fingertips to capture hand and finger movements and orientations. Total of 28 proposed word-based American Sign Language were collected during the experiment, while 156 features were extracted from the collected data for classification. With the used of the long short-term memory (LSTM) algorithm, this system achieved up to 99.89% of accuracy. The high accuracy system performance indicated that this proposed system has a great potential to serve the deaf and dumb communities and resolve the communication gap.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.29 no.3
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• pp.565-577
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• 2019

In recent years, biometric authentication has been used for various applications. Since biometric features are unchangeable and cannot be revoked unlike other personal information, there is increasing concern about leakage of biometric information. Recently, Jin et al. proposed a new cancelable biometric scheme, called "Index-of-Max" (IoM) to protect fingerprint template. The authors presented two realizations, namely, Gaussian random projection-based and uniformly random permutation-based hashing schemes. They also showed that their schemes can provide high accuracy, guarantee the security against recently presented privacy attacks, and satisfy some criteria of cancelable biometrics. However, the authors did not provide experimental results for other biometric features (e.g. finger-vein, iris). In this paper, we present the results of applying Jin et al.'s scheme to iris data. To do this, we propose a new method for processing iris data into a suitable form applicable to the Jin et al.'s scheme. Our experimental results show that it can guarantee favorable accuracy performance compared to the previous schemes. We also show that our scheme satisfies cancelable biometrics criteria and robustness to security and privacy attacks demonstrated in the Jin et al.'s work.

• Journal of the Institute of Convergence Signal Processing
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• v.19 no.4
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• pp.180-185
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• 2018

We have developed an interactive signage system based on floating hologram by combining hologram technology and ICT technology, which can be competitive to small businesses that have excellent products and services. The developed interactive signage system can be used for publicity and marketing of small business owners at low cost, introducing menus with 3D hologram images, and providing various contents responding to user's hand movements. The developed system is able to detect 10 finger movements at a rate of 290 frames per second in a range of 60cm and a range of 150 degrees. We also confirmed that the virtual touch function operates normally by dividing the user's motion recognition into the hover zone and the touch zone by the physical motion experiment of the leap motion object.

• Science of Emotion and Sensibility
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• v.14 no.4
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• pp.627-636
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• 2011

The purpose of this study is to develop the multi-modal interaction system. This system provides realistic and an immersive experience through multi-modal interaction. The system recognizes user behavior, intention, and attention, which overcomes the limitations of uni-modal interaction. The multi-modal interaction system is based upon gesture interaction methods, intuitive gesture interaction and attention evaluation technology. The gesture interaction methods were based on the sensors that were selected to analyze the accuracy of the 3-D gesture recognition technology using meta-analysis. The elements of intuitive gesture interaction were reflected through the results of experiments. The attention evaluation technology was developed by the physiological signal analysis. This system is divided into 3 modules; a motion cognitive system, an eye gaze detecting system, and a bio-reaction sensing system. The first module is the motion cognitive system which uses the accelerator sensor and flexible sensors to recognize hand and finger movements of the user. The second module is an eye gaze detecting system that detects pupil movements and reactions. The final module consists of a bio-reaction sensing system or attention evaluating system which tracks cardiovascular and skin temperature reactions. This study will be used for the development of realistic digital entertainment technology.

• Asian Oncology Nursing
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• v.4 no.2
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• pp.124-134
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• 2004

The major results of this study were as follows : 1. The percentage of nurses who know the complementary and alternative therapies was 50.1% Most of them(70.6%) acknowledged the therapies from newspapers, television and magazines. 2. The complementary and alternative therapy was perceived as effective by 64.9% of the nurses and as trusted by 60.2% of them The effective methods of the therapy are acupuncture herb medicine and massage. 3. Most of the nurses 93.4% experienced getting inquiries from patients or their guardians whether to use the therapies. 4. The complementary and alternative therapies was experienced by 38.9% of nurses and 7.1% of them use the therapies frequently 92.9% of patients and families were satisfied with the result 'Massage Therapy' was used the most with no side-effects and thus higher need of education for nurses. 5. They wanted to be trained for massage therapy finger-pressure, music therapy, acupuncture, aroma therapy in order. 6. Reliance on the complementary and alternative therapies, 75.2% of nurses completed the course trusted the therapies and the result of others uncompleted was similar as 52.2% Moreover both 79.5% of nurses completed it and 61.6% of the others said that the complementary and alternative therapy's nursing interventions is possible to develop. 7. It shows high relation to recognition having possibilities for applying and developing as the nursing intervention. if the confidence is as high as about the complementary and alternative therapies. Based of the results of this study as above this study proposes as follows. First, The nurses should understand mentality of the patients so that the nurses have to put in operation appropriate nursing intervention as accurate knowledge of the alternation therapies using to cancer patients for having on damages to patients from their rash using way. Furthermore, it is necessary to supply the special place and the professional nurses taking complete charge at them. Next politic interest and support from government are required to develop and practice systematic and resonable education programs for the complementary and alternative therapies. Moreover, it is necessary for nurses to be educated about the therapies continually. Finally, it is compulsory that the research and development for complementary and alternative therapies is needed. In addition, it has to be made standard and legal equipment for safety efficacy and theory about the therapies.