Browsing by Author "Kiraz, Alper"
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Az Örnekli Öğrenme ile Mikroskobik Görüntülerden Maya Hücresi Segmentasyonu
Alkan, Muhammet; Kiraz, Berna; Eren, Furkan; Uysallı, Yiğit; Kiraz, Alper (IEEE, 2021)Mikroskobik görüntülerden otomatik hücre segmentasyonu, derin sinir ağları veya görüntü işleme teknikleri kullanılarak yapılabilmektedir. Bu tekniklerin ayrı ayrı problemleri ve zorlukları bulunmakla birlikte özellikle ... -
A Deep Learning Model for Automated Segmentation of Fluorescence Cell images
Aydın, Musa; Kiraz, Berna; Eren, Furkan; Uysallı, Yiğit; Morova, Berna; Özcan, Selahattin Can; Acılan, Ceyda; Kiraz, Alper (IOP Publishing Ltd, 2021)Deep learning techniques bring together key advantages in biomedical image segmentation. They speed up the process, increase the reproducibility, and reduce the workload in segmentation and classification. Deep learning ... -
DeepCAN: A Modular Deep Learning System for Automated Cell Counting and Viability Analysis
Eren, Furkan; Aslan, Mete; Kanarya, Dilek; Uysallı, Yigit; Aydin, Musa; Kiraz, Berna; Aydın, Ömer; Kiraz, Alper (IEEE, 2022)Precise and quick monitoring of key cytometric features such as cell count, cell size, cell morphology, and DNA content is crucial for applications in biotechnology, medical sciences, and cell culture research. Traditionally, ... -
Digital Holograms Obtained Using Advanced Evolution Strategies
Aydın, Musa; Kiraz, Berna; Kiraz, Alper; Doğan, Buket (Institute of Electrical and Electronics Engineers (IEEE), 2018)By changing the amplitude and phase of optical beams digital holography allows for the generation of desired target images at the focus of a lens. It is an important research challenge to determine the digital hologram ... -
Fabrication and Characterization of Large Numerical Aperture, High-Resolution Optical Fiber Bundles Based on High-Contrast Pairs of Soft Glasses for Fluorescence Imaging
Morova, Berna; Bavili, Nima; Yaman, Onur; Yiğit, B.; Zeybel, Müjdat; Aydın, Musa; Doğan, B.; Kasztelanic, R.; Pysz, Dariusz; Buczynski, Ryszard; Kiraz, Alper (The Optical Society, 2019)Fabrication and characterization of flexible optical fiber bundles (FBs) with inhouse synthesized high-index and low-index thermally matched glasses are presented. The FBs composed of around 15000 single-core fibers with ... -
An LED-Based Structured Illumination Microscope Using A Digital Micromirror Device And GPU Accelerated Image Reconstruction
Aydın, Musa; Uysallı, Yiğit; Özgönül, Ekin; Morova, Berna; Tiryaki, Fatmanur; Karalar, Elif Nur Fırat; Doğan, Buket; Kiraz, Alper (PLOS, 2022)When combined with computational approaches, fluorescence imaging becomes one of the most powerful tools in biomedical research. It is possible to achieve resolution figures beyond the diffraction limit, and improve the ... -
An LED-Based Super Resolution GPU Implemented Structured Illumination Microscope
Aydın, Musa; Uysallı, Yiğit; Özgönül, Ekin; Morova, Berna; Kiraz, Alper (SPIEDigital Library, 2020)Fluorescence imaging of sub-cellular structures with sizes below the di raction limit is vital in understanding cellular processes. Relying on exciting the sample with di erent illumination patterns and image processing ... -
Multi-Scale Hierarchical Topology Optimization for Nanophotonic Design
Daşdemir, Ahmet Onur; Koral, Ahmet Kağan; Kiraz, Berna; Kiraz, Alper; Mağden, Emir Salih (Optics InfoBase Conference Papers, 2020)We develop a multi-scale method to rapidly design efficient and fabricationcompatible nanophotonic devices, and demonstrate it by designing a mode multiplexer with 98.1% efficiency in 104 iterations under 50 seconds using ... -
Optosayısal Konfokal Mikroskop Tasarımı ve Kurulumu
Zengin, Berk; Kurt, Adnan; Kiraz, Berna; Kiraz, Alper (Institute of Electrical and Electronics Engineers (IEEE), 2017)Standart epifloresans mikroskopiye kıyasla sunduğu yüksek yanal ve eksenel çözünürlük nedeniyle konfokal mikroskopi yaşam bilim araştırmalarında hayati bir araç haline gelmiştir. Buna karşılık, konfokal mikroskoba erişim ... -
Sinüzoidal Aydınlatma Desenleri Kullanılarak Frekans Uzayında Görüntü Yeniden Yapılandırma
Aydın, Musa; Kiraz, Alper; Uysallı, Yiğit; Özgönül, Ekin; Morova, Berna (IEEE, 2021)Yapılandırılmış Aydınlatma Desenleri (Structured Illumination Patterns) mikroskobik görüntülemede, kırımın limitinin (diffraction limit) aşılarak süper çözünürlüklü görüntünün elde edilmesini sağlamak için kullanılan ...
