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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.
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For any object in an image, we can extract important points in the image to provide a "feature description" of the object. This description, extracted from a training image, can then be used to locate the object in a new (previously unseen) image containing other objects.
Image analysis or imagery analysis is the extraction of meaningful information from images; mainly from digital images by means of digital image processing techniques. [1] Image analysis tasks can be as simple as reading bar coded tags or as sophisticated as identifying a person from their face .
Feature enhancement in an image (St Paul's Cathedral, London) using Phase Stretch Transform (PST). Left panel shows the original image and the right panel shows the detected features using PST. The phase stretch transform or PST is a physics-inspired computational approach to signal and image processing. One of its utilities is for feature ...
Open the email. Hover over the attachment | click the Download icon on each image. - The file will be downloaded to your computer. Open the file on your computer. It will often be under "Downloads".
pdfimages is an open-source command-line utility for lossless extraction of images from PDF files, including JPEG2000 and JBIG2 format when used with option -all. [1] It is freely available as part of poppler-utils and xpdf-utils, and included in many Linux distributions. pdfimages originates from the xpdf package (but now part of poppler-utils).
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