An Accurate Book Spine Detection Network Based on Improved Oriented R-CNN.

Book localization is crucial for the development of intelligent book inventory systems, where the high-precision detection of book spines is a critical requirement. However, the varying tilt angles and diverse aspect ratios of books on library shelves often reduce the effectiveness of conventional object detection algorithms. To address these challenges, this study proposes an enhanced oriented R-CNN algorithm for book spine detection.

[MRI diagnosis of vertebral metastasis].

Objective: To study MRI changes of vertebral metastasis and their value in differential diagnosis.

Methods: MR films of 103 patients with vertebral metastasis confirmed clinically or pathologically were reviewed with all features recorded and analyzed.

Results: 338 vertebrae were involved in 103 patients, including 82 in vertebral body only, 3 in appendix only and 253 in both.