14.11.2025; Львів, Україна: X Міжнародна наукова конференція «Науковий простір: актуальні питання, досягнення та інновації»
Роботи, що індексуються в Google Scholar

USING APPLE LOG ON THE IPHONE 15 PRO: PRINCIPLES, PRACTICE, AND SCIENTIFIC CONTEXT

  • Asqar Ospan,
  • Nurjan Mustafin,
  • Ha Jin Hwang
PDF

Опубліковано 16.11.2025

Як цитувати

Ospan, A., Mustafin, N., & Ha Jin Hwang. (2025). USING APPLE LOG ON THE IPHONE 15 PRO: PRINCIPLES, PRACTICE, AND SCIENTIFIC CONTEXT. Матеріали конференцій МЦНД, (14.11.2025; Львів, Україна), 363–370. вилучено із https://archives.mcnd.org.ua/index.php/conference-proceeding/article/view/1309

Завантаження

Дані завантаження ще не доступні.
Creative Commons License

Ця робота ліцензується відповідно до Creative Commons Attribution-ShareAlike 4.0 International License.

Google Scholar

Анотація

Apple Log — Apple’s logarithmic gamma/profile available on recent “Pro” iPhone models when recording Apple ProRes — introduces a camera-embedded log encoding to mobile capture workflows. This paper explains the theoretical motivation for log encodings, situates Apple Log within the history of photographic and computational approaches to high dynamic range (HDR) capture and tone mapping, analyzes the practical trade-offs of using Apple Log on the iPhone 15 Pro, and offers recommended capture and post-production practices grounded in imaging science. We reference classic HDR / response-function literature and recent computational photography work to clarify how log encoding interacts with sensor noise, bit depth, and burst/HDR fusion strategies commonly used in smartphone imaging. Practical recommendations, limitations, and future directions for research and application are discussed.

PDF

Посилання

  1. 1. Debevec, P. E., & Malik, J. (1997). Recovering high dynamic range radiance maps from photographs. Proceedings of SIGGRAPH 1997, 369–378. https://doi.org/10.1145/258734.258884. Paul Debevec
  2. 2. Grossberg, M. D., & Nayar, S. K. (2004). Modeling the space of camera response functions. IEEE Transactions on Pattern Analysis and Machine Intelligence, 26(10), 1272–1282. https://doi.org/10.1109/TPAMI.2004.88. ACM Digital Library
  3. 3. Reinhard, E., Stark, M., Shirley, P., & Ferwerda, J. (2002). Photographic tone reproduction for digital images. Proceedings of SIGGRAPH 2002. https://doi.org/10.1145/566654.566575. ACM Digital Library
  4. 4. Hasinoff, S. W., et al. (2016). Burst photography for high dynamic range and low-light imaging on mobile cameras. ACM Transactions on Graphics (SIGGRAPH Proceedings). https://doi.org/10.1145/2980179.2980254. ACM Digital Library
  5. 5. Naka, K. I., & Rushton, W. A. H. (1966). S-potentials from luminosity units in the retina of fish (Cyprinidae). The Journal of Physiology, 185(3), 587–599. https://doi.org/10.1113/jphysiol.1966.sp008002. PMC
  6. 6. Pinoli, J.-C. (1997). The logarithmic image processing model. Journal of Mathematical Imaging and Vision, 7(4), 341–359. https://doi.org/10.1023/A:1008259212169.
  7. 7. Robertson, M. A., Borman, S., & Stevenson, R. L. (2003). Estimation-theoretic approach to dynamic range enhancement using multiple exposures. Journal of Electronic Imaging, 12(2), 219–228. https://doi.org/10.1117/1.1557695.
  8. 8. SMPTE. (2014). SMPTE ST 2084:2014 — High dynamic range electro-optical transfer function of mastering reference displays (Perceptual Quantizer, PQ). (Standard). https://doi.org/10.5594/SMPTE.OV2094-0.2017. Color.org
  9. 9. Apple Inc. (2024). Record ProRes video with your iPhone camera (support article). Apple Support. https://support.apple.com/en-kz/guide/iphone/iphde02c478d/ios. Apple Support
  10. 10. Apple Inc. (2024). About Apple ProRes on iPhone (support article). Apple Support. https://support.apple.com/en-in/109041. Apple Support
  11. 11. Hasinoff, S. W., et al. (2016). Burst photography for high dynamic range and low-light imaging on mobile cameras (preprint / Stanford paper). https://people.csail.mit.edu/hasinoff/pubs/HasinoffEtAl16-hdrplus.pdf. Stanford Graphics
  12. 12. ProVideo Coalition. (2023). Anderson, I. Log on the iPhone 15 Pro: a big upgrade. Provideocoalition.com. https://provideocoalition.com/log-on-the-iphone-15-pro-a-big-upgrade/. ProVideo Coalition
  13. 13. Prolost. (2023). Log is the “Pro” in iPhone 15 Pro. Prolost Blog. https://prolost.com/blog/applelog. Prolost
  14. 14. Blackmagic / Community resources on LUT export and Apple Log LUT usage (forum threads). (2024). Blackmagic Design Forum. https://forum.blackmagicdesign.com/viewtopic.php?f=2&t=202731. Blackmagic Design Forum
  15. 15. Lecouat, B., et al. (2022). High dynamic range and super-resolution from raw bursts. arXiv preprint. https://arxiv.org/abs/2207.14671. arXiv