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If the image is not yet in machine readable form, then it has to be scanned into a usable file format. Once there is a machine-readable bitmap, the image can be imported into a graphics editing program (such as Adobe Illustrator, CorelDRAW, or Inkscape). Then a person can manually trace the elements of the image using the program's editing ...
Scanner support Freehand sketch Raster filters Change color depth Image resize Rotate Crop Raster shapes Easy Trace Yes Yes Yes Yes Yes Yes Yes
Scan2CAD's first version was released in April 1993. The publishing company was Softcover International. This company continued to publish the software until 2010 when Avia Systems acquired the software.
Multiple scans, from different directions are usually helpful to obtain information about all sides of the subject. These scans have to be brought into a common reference system, a process that is usually called alignment or registration, and then merged to create a complete 3D model. This whole process, going from the single range map to the ...
CAD-based approaches use the scan data to define the surface of the domain and then create elements within this defined boundary. Although reasonably robust algorithms are now available, these techniques are often time consuming, and virtually intractable for the complex topologies typical of image data.
Raster graphic image. In computer graphics, rasterisation (British English) or rasterization (American English) is the task of taking an image described in a vector graphics format (shapes) and converting it into a raster image (a series of pixels, dots or lines, which, when displayed together, create the image which was represented via shapes).
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Scans may be stored uncompressed in image file formats such as BMP; stored losslessly compressed in file formats such as TIFF and PNG; stored lossy-compressed in file formats such as JPEG; or stored as embedded images or converted to vector graphics within a PDF. Optical character recognition (OCR) software allows a scanned image of text to be ...