GCF, HARALIK HÁM RMS SÚWRET KONTRASTIN ETALONSIZ BAHALAW KÓRSETKISHLERI

Mualliflar

  • Mamatov N.S.

    Tashkent irrigatsiya hám awıl xojalıǵın mexanizatsiyalaw injenerleri institutı

  • Jalelova M.M.

    Milliy izertlew universiteti

  • Sh.X.Tojiboeva

    Namangan mámleketlik universiteti

Kalit so‘zlar: raqamli tasvir, kontrast, ko‘rsatkich, kontrast oshirish usullari, RMS, GCF, Haralik

Annotatsiya

Mazkur maqolada tasvir sifatini belgilovchi parametrlardan biri bo‘lgan kontrastni baholashning obyektiv etalonsiz usullari ko‘rib chiqilgan. Etalonsiz usullar tasvirlarni qayta ishlash jarayonini avtomatlashtirishda ahamiyatli, chunki amaliy masalalarda etalon tasvir mavjud bo‘lmaydi. Ushbu etalonsiz usullar orasidan tajriba o‘tkazish asosida GCF (global contrast factor), Haralik kontrast va RMS (root mean square) me’zonlari tanlandi va boshqa me’zonlarga nisbatan yaxshi natija berishi tasdiqlandi.

Foydalanilgan adabiyotlar

1. Голуб Ю.И., Старовойтов Ф.В. Исследование локальных оценок контраста цифровых изображений при отсутствии эталона // Системный анализ и прикладная информатика. 2019. №2. URL: https://cyberleninka.ru/article/n/issledovanie-lokalnyh-otsenok-kontrasta-tsifrovyh-izobrazheniy-pri-otsutstvii-etalona.

2. Beghdadi, Azeddine & Qureshi, Muhammad & Amirshahi, Seyed Ali & Chetouani, Aladine & Pedersen, Marius. (2020). A Critical Analysis on Perceptual Contrast and Its Use in Visual Information Analysis and Processing. IEEE Access. PP. 1-1. 10.1109/ACCESS.2020.3019350.

3. Bex P.J. and Makous W. ‘‘Spatial frequency, phase, and the contrast of natural images,’’ J. Opt. Soc. Amer. A, Opt. Image Sci., vol. 19, no. 6, -Р.1096–1106, 2002.

4. Gade P. & Walsh, P. (2013). Use of GCF aesthetic measure in the evolution of landscape designs. IJCCI 2013 - Proceedings of the 5th International Joint Conference on Computational Intelligence. 83-90.

5. https://www.kaggle.com/datasets/tolgadincer/labeled-chest-xray-images

6. https://www.kaggle.com/datasets/akhileshdkapse/super-image-resolution

7. https://www.kaggle.com/datasets/andrewmvd/face-mask-detection