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High dynamic range ultrasound imaging
International Journal of Computer Assisted Radiology and Surgery, 2018High dynamic range (HDR) imaging is a popular computational photography technique that has found its way into every modern smartphone and camera. In HDR imaging, images acquired at different exposures are combined to increase the luminance range of the final image, thereby extending the limited dynamic range of the camera.
Alperen Degirmenci +2 more
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Noise in high dynamic range imaging
2008 15th IEEE International Conference on Image Processing, 2008High dynamic range (HDR) imaging is more and more widely used to increase the limited dynamic range of digital cameras and, in turn, to cover the dynamic range of the acquired scene. This image acquisition process can be subdivided into two steps. The first step is the measurement or estimation of the mostly non-linear camera transfer function (CTF ...
André A. Bell +3 more
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, 2006 High dynamic range imaging produces images with a much greater range of light and color than conventional imaging. The effect is stunning, as great as the difference between black-and-white and color television.
Reinhard, Erik +3 more
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High-Dynamic-Range Image Reproduction Methods
IEEE Transactions on Instrumentation and Measurement, 2006The high dynamic range of illumination may cause serious distortions and problems in the viewing and further processing of digital images. Important information can be hidden in the highly or extremely lowly illuminated parts. This paper deals with the reproduction of such images and introduces two new tone reproduction preprocessing algorithms which ...
Annamária R. Várkonyi-Kóczy +1 more
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2013 International Conference on Communication Systems and Network Technologies, 2013
While real scenes produce a wide range of brightness variations, current cameras use low dynamic range image detector that typically provide 256 levels of brightness data at each pixel. We propose methods to create High Dynamic Range images, the method to enhance the dynamic range of is based on capturing multiple exposure photographs of the scene ...
R. K. Chaurasiya, K. R. Ramakrishnan
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While real scenes produce a wide range of brightness variations, current cameras use low dynamic range image detector that typically provide 256 levels of brightness data at each pixel. We propose methods to create High Dynamic Range images, the method to enhance the dynamic range of is based on capturing multiple exposure photographs of the scene ...
R. K. Chaurasiya, K. R. Ramakrishnan
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Split Aperture Imaging for High Dynamic Range
International Journal of Computer Vision, 2002Most imaging sensors have limited dynamic range and hence are sensitive to only a part of the illumination range present in a natural scene. The dynamic range can be improved by acquiring multiple images of the same scene under different exposure settings and then combining them.
Manoj Aggarwal, Narendra Ahuja
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Advanced High Dynamic Range Imaging
2011This book explores the methods needed for creating and manipulating HDR content. HDR is a step change from traditional imaging; more closely matching what we see with our eyes. In the years since the first edition of this book appeared, HDR has become much more widespread, moving from a research concept to a standard imaging method.
Banterle F +3 more
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Streamed high dynamic range imaging
2012 International Conference on Field-Programmable Technology, 2012The problem of mapping from a high dynamic range image, or a series of images spanning a wide dynamic range, to a standard 8-bit image is considered. Several techniques for dynamic range compression are reviewed. FPGA implementations are developed and demonstrated, with a focus on directly processing the video stream from the camera.
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High dynamic range images for enhancing low dynamic range content
SIGGRAPH Asia 2011 Posters, 2011This poster presents a practical system for enhancing the quality of Low Dynamic Range (LDR) videos using High Dynamic Range (HDR) background images. Our technique relies on the assumption that the HDR information is static in the video footage. This assumption can be valid in many scenarios where moving subjects are the main focus of the footage and ...
Banterle Francesco +2 more
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Hybrid High Dynamic Range Imaging fusing Neuromorphic and Conventional Images
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2023Lei Ma, Boxin Shi, Tiejun Huang
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