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  2. Image scanner - Wikipedia

    en.wikipedia.org/wiki/Image_scanner

    A high-density range means that the scanner is able to record shadow details and brightness details in one scan. Density of film is measured on a base 10 log scale and varies between 0.0 (transparent) and 5.0, about 16 stops. [65] Density range is the space taken up in the 0 to 5 scale, and Dmin and Dmax denote where the least dense and most ...

  3. High-resolution computed tomography - Wikipedia

    en.wikipedia.org/wiki/High-resolution_computed...

    Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: [1] a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...

  4. Cargo scanning - Wikipedia

    en.wikipedia.org/wiki/Cargo_scanning

    Cargo scanning or non-intrusive inspection ... It can also identify high-density regions too thick to penetrate, which would be the most likely to hide nuclear threats.

  5. 3D scanning - Wikipedia

    en.wikipedia.org/wiki/3D_scanning

    A real-time scanner using digital fringe projection and phase-shifting technique (certain kinds of structured light methods) was developed, to capture, reconstruct, and render high-density details of dynamically deformable objects (such as facial expressions) at 40 frames per second. [27]

  6. CT scan - Wikipedia

    en.wikipedia.org/wiki/CT_scan

    It is due to the scanner being unable to differentiate between a small amount of high-density material (e.g., bone) and a larger amount of lower density (e.g., cartilage). [130] The reconstruction assumes that the X-ray attenuation within each voxel is homogeneous; this may not be the case at sharp edges.

  7. High Capacity Color Barcode - Wikipedia

    en.wikipedia.org/wiki/High_Capacity_Color_Barcode

    An example of a High Capacity Color Barcode: a Microsoft Tag referring to the HCCB article on the English Wikipedia. High Capacity Color Barcode (HCCB) is a technology developed by Microsoft for encoding data in a 2D "barcode" using clusters of colored triangles instead of the square pixels conventionally associated with 2D barcodes or QR codes. [1]

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