Tatsuaki Ito

Learn More
Smartphones are very common devices in daily life that have a built-in tri-axial accelerometer. Similar to previously developed accelerometers, smartphones can be used to assess gait patterns. However, few gait analyses have been performed using smartphones, and their reliability and validity have not been evaluated yet. The purpose of this study was to(More)
Epstein-Barr virus positive diffuse large B-cell lymphoma (EBV+ DLBCL) of the elderly is a rare B-cell lymphoproliferative disorder (B-LPD) that occurs in patients > 50 years with no known history of immunodeficiency or lymphoma. Patients present with moderate to severe clinical B-symptoms. These lesions show complete effacement of normal tissue/nodal(More)
A 59-year-old male patient presented with left chest discomfort on admission. His medical history included encephalitis in childhood and his smoking history was 20 cigarettes per day for 40 years. A physical examination showed an anemic and edematous face with weak respiratory sounds in the left lung. The patient had elevated calcium levels and decreased(More)
INTRODUCTION This article is part of the Focus Theme of Methods of Information in Medicine on "Methodologies, Models and Algorithms for Patients Rehabilitation". BACKGROUND Rheumatoid arthritis (RA) is a progressive inflammatory disease that causes damage to multiple joints, decline in functional status, and premature mortality. Thus, effective and(More)
Recently, computer vision technology has been widely adopted for the safety technology of automobiles. In conventional methods, research on the recognition of obstacles of similar height has advanced, such as the recognition of pedestrians or nearby vehicles. However, we must also help drivers recognize the height of obstacles that the vehicles cannot drive(More)
Developing on-board automotive driver assistance systems aiming to alert drivers about driving environments and possible collision with other vehicles has attracted a lot of attention recently. Especially, many researchers have proposed the forward vehicle recognition method by a camera on vehicle. In the forward vehicle recognition, however, it is(More)
  • 1