نتایج جستجو برای: image quality
تعداد نتایج: 1085664 فیلتر نتایج به سال:
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We objectively measured optical quality and quantified such nightvision disturbances as glare, starbursts, and halos perceived by patients diagnosed with cataracts. For this purpose, retinal-image quality was measured with a double-pass device (OQAS, Visiometrics SL). Visual-discrimination capacity was quantified by the disturbance index under low illumination (Halo v1.0 software, Laboratory of...
In recent years steganography has attracted the attention of many researchers. Steganography can be used in media such as still image, audio, and video. Image is one of the most frequently used media. One of the forms of presentation of an image is halftone. In this paper a method is presented which hides data in halftone images. The data hiding process is performed during the halftoning step. ...
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