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  2. Image conversion - Wikipedia

    en.wikipedia.org/wiki/Image_conversion

    RAW is not a standardized format, in fact, RAW-formats even differ between camera models from the same vendor [citation needed]. Data in a RAW-file is structured according to the Bayer filter's pattern in cameras that use a single image sensor. Debayering, the process of obtaining bitmap data from a RAW-image is always a lossy operation.

  3. Low Frequency Analyzer and Recorder - Wikipedia

    en.wikipedia.org/wiki/Low_Frequency_Analyzer_and...

    Each system, from shore facility to the transducer array was a sonar set with the signal processing beginning as the array's signals were amplified, processed into beams by time delay and each beam processed by an electromechanical spectrum analyzer with the display being a sweep of the frequency spectrum's intensity burned across electrostatic ...

  4. Imaging spectrometer - Wikipedia

    en.wikipedia.org/wiki/Imaging_spectrometer

    Alice ultraviolet imaging spectrometer on New Horizons. An imaging spectrometer is an instrument used in hyperspectral imaging and imaging spectroscopy to acquire a spectrally-resolved image of an object or scene, usually to support analysis of the composition the object being imaged.

  5. Spectral density - Wikipedia

    en.wikipedia.org/wiki/Spectral_density

    The spectral centroid of a signal is the midpoint of its spectral density function, i.e. the frequency that divides the distribution into two equal parts. The spectral edge frequency ( SEF ), usually expressed as "SEF x ", represents the frequency below which x percent of the total power of a given signal are located; typically, x is in the ...

  6. File:Transduction image.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Transduction_image.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  7. Optical spectrometer - Wikipedia

    en.wikipedia.org/wiki/Optical_spectrometer

    The light then passed through a prism (in hand-held spectroscopes, usually an Amici prism) that refracted the beam into a spectrum because different wavelengths were refracted different amounts due to dispersion. This image was then viewed through a tube with a scale that was transposed upon the spectral image, enabling its direct measurement.