نتایج جستجو برای: breast thermography
تعداد نتایج: 250920 فیلتر نتایج به سال:
Early detection of extravasation is important, but conventional methods of detection lack objectivity and reliability. This study evaluated the predictive validity of thermography for identifying extravasation during intravenous antineoplastic therapy. Of 257 patients who received chemotherapy through peripheral veins, extravasation was identified in 26. Thermography was performed every 15 to 3...
The intensity of the infrared radiation emitted by objects is mainly a function of their temperature. In infrared thermography, this feature is used for multiple purposes: as a health indicator in medical applications, as a sign of malfunction in mechanical and electrical maintenance or as an indicator of heat loss in buildings. This paper presents a review of infrared thermography especially f...
Book Reviews C.A. Parsons Revised and Abbreviated Version of Diagnosis of Breast Diseases, Imaging, Clinical Features and Pathology Chapman & Hall, London 1983 283 pp.; ISBN 0-412-22130-6 The book has been compiled on the basis of a cooperation of specialists covering all aspects of breast diseases. The opening chapters are devoted to histological techniques and clinical aspects, emphasizing es...
OBJECTIVE To assess the utility of remote-sensing infrared thermography as a screening tool for fever. DESIGN Cross-sectional study comparing body temperatures measured by remote-sensing infrared thermography (maximum for frontal, forehead, or lateral views) with core temperatures measured by aural or oral methods. SETTING Accident and Emergency Department, Queen Mary Hospital, Hong Kong. ...
This paper presents a study of the possibilities of evaluating thermal parameters of single and multilayer structures using dynamic thermography. It also discusses potential uses of lock-in thermography. It presents a simulation of a periodic excitation of a multilayer composite material. In practice, the described methods can be employed in various applications, for example, in multilayer nonw...
Breast cancer is the leading disease in incidence and mortality among women in developing countries. The opportune diagnosis of this disease strengthens the survival index. Mammography application is limited by age and periodicity. Temperature is a physical magnitude that can be measured by using multiple sensing techniques. IR (infrared) thermography using commercial cameras is gaining relevan...
The technique of thermal wave thermography combines advantages of both conventional thermal wave measurement and thermography using a commercial IR camera. This technique allows for shorter imaging time and depth profiling. Non-uniformity of heating area and optical surface structures can be suppressed in phase images. Several examples show the potential applications of thermal wave thermograph...
Thermography has been used extensively as a complementary diagnostic tool in breast cancer detection. Among thermographic methods matrix factorization (MF) techniques show an unequivocal capability to detect thermal patterns corresponding vasodilation cases. One of the biggest challenges such is selecting best representation basis. In this study, embedding method proposed address problem and De...
Fig.1 Measurement system In this paper, the three-dimensional surface shape measurement system with the temperature information is introduced. The measurement is established using a three-dimensional surface measurement system and a thermography. The measurement system is composed of CCD camera, a laser and thermography. The laser is projected to the object and the laser streak image appeared o...
Breast thermography is a promising medical imaging technique for the detection of breast cancer. However, providing robust and portable computer-aided diagnostic system remains tedious task. In this paper, based on developed implemented Raspberry Pi 4 using cloud computing services to provide power needed machine learning algorithms. Image processing techniques such as pre-processing segmentati...
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