This dataset contains simulated 10,368 Long-Film images and vertebrae centroid labels from projection of public CT images. The CT images are from SpineWeb [1] and The Cancer Imaging Archive [2]. Details of usage and generation process can be found in [3]. [1] B. Glocker, J. Feulner, A. Criminisi, D.R. Haynor, E. Konukoglu, Automatic localization and identification of vertebrae in arbitrary field-of-view CT scans., Med. Image Comput. Comput. Assist. Interv. 15 (2012) 590–8. https://doi.org/10.1007/978-3-642-33454-2_73. [2] K. Clark, B. Vendt, K. Smith, J. Freymann, J. Kirby, P. Koppel, S. Moore, S. Phillips, D. Maffitt, M. Pringle, L. Tarbox, F. Prior, The Cancer Imaging Archive (TCIA): maintaining and operating a public information repository., J. Digit. Imaging. 26 (2013) 1045–57. https://doi.org/10.1007/s10278-013-9622-7. [3] Huang Y, Jones CK, Zhang X, Johnston A, Waktola S, Aygun N, Witham TF, Bydon A, Theodore N, Helm PA, Siewerdsen JH, Uneri A. "Multi-perspective region-based CNNs for vertebrae labeling in intraoperative long-length images." Computer Methods and Programs in Biomedicine, 2022 (under review)