Recently, specialized applications of 3D printing have extended into the biological realm. As the field is so new, related activities are being approached from groups with disparate specialties and backgrounds. Therefore, few firm, unambiguous and universally understood definitions have been established. Many have local and connotative meanings, and most have both unique and overlapping aspects...

In this paper, a new technique for hiding the data of images has been proposed. This method uses 3-dimentional discrete cosine transformation scheme, along with 2-dimentional discrete cosine transformation. The method proposed in this paper hides two target images behind one cover image thereby increasing the data hiding capacity greatly. For the cause of security only the final stego-image is ...

BACKGROUND Congenital radioulnar synostosis is a rare malformation of the upper limb, with functional limitations of the limb. CASE REPORT A 10-year-old child with pain and restricted mobility of the elbow joint was admitted to the hospital. Plain film radiography and CT examination was performed. Radiological examinations showed a congenital radioulnar synostosis. The child underwent surgica...