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  2. NIIRS - Wikipedia

    en.wikipedia.org/wiki/NIIRS

    The National Imagery Interpretability Rating Scale (NIIRS) is an American subjective scale used for rating the quality of imagery acquired from various types of imaging systems. The NIIRS defines different levels of image quality/interpretability based on the types of tasks an analyst can perform with images of a given NIIRS rating.

  3. Signal-to-noise ratio (imaging) - Wikipedia

    en.wikipedia.org/wiki/Signal-to-noise_ratio...

    Download as PDF; Printable version; ... of 40:1 for "excellent" image quality and 10:1 for "acceptable" image quality. ... Noise measurements: specifies methods for ...

  4. Visual information fidelity - Wikipedia

    en.wikipedia.org/wiki/Visual_information_fidelity

    Visual information fidelity (VIF) is a full reference image quality assessment index based on natural scene statistics and the notion of image information extracted by the human visual system. [1] It was developed by Hamid R Sheikh and Alan Bovik at the Laboratory for Image and Video Engineering (LIVE) at the University of Texas at Austin in 2006

  5. Best Free PDF Editors of 2023 - AOL

    www.aol.com/best-free-pdf-editors-2023-204004606...

    PDF24 Creator offers a suite of tools for PC users to download so they can read, save, convert and edit PDFs. Because you download the software, files are not stored on the cloud , adding another ...

  6. ExifTool - Wikipedia

    en.wikipedia.org/wiki/ExifTool

    ExifTool is a free and open-source software program for reading, writing, and manipulating image, audio, video, and PDF metadata.As such, ExifTool classes as a tag editor.It is platform independent, available as both a Perl library (Image::ExifTool) and a command-line application.

  7. Structural similarity index measure - Wikipedia

    en.wikipedia.org/wiki/Structural_similarity...

    The SSIM index is a full reference metric; in other words, the measurement or prediction of image quality is based on an initial uncompressed or distortion-free image as reference. SSIM is a perception -based model that considers image degradation as perceived change in structural information, while also incorporating important perceptual ...

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