![]() Applications written to the IIO specification can use any image format for which a plug-in exists, with no specific knowledge of the format itself. The Java core includes an "Image I/O" (IIO) package that is similar in concept to the JAI codec, but is newer and more capable. Is the Java Advanced Imaging (JAI) APIs still supported User7283V edited I cannot find a definitive statement as to whether or not the Java Advanced Image APIs ( ) jaicodec.jar, jaicore.jar and jaiimageio.jar are still supported or not. The third level of access involves VICAR, PDS, and ISIS Image I/O plugins. This tutorial shows how the Java language and its Java Advanced Imaging (JAI) Application Program Interface (API) can be used to create applications for image representation, processing. The PDS codec, when processing PDS images with an embedded VIAR label ("dual-labeled images," such as used for MER), presents the VICAR label in a new way that is compatible with the VICAR codec. Support for metadata (labels) is included, but is format-dependent. ![]() The VICAR and PDS codecs allow any program written using the JAI codec spec to use VICAR or PDS images automatically, with no specific knowledge of the VICAR or PDS formats. Chapter 14, Extending the API, describes. Although Sun has deprecated the codec mechanism (replaced by IIO), it is still used in many places. Chapter 13, Writing Image Files, describes Java Advanced Imagings codec system for encoding image data files. JAI is supplied by Sun Microsystems as an extension to desktop Java, and has a number of codecs for formats such as GIF, TIFF, JPEG, etc. The second level of access involves two codecs based on Java Advanced Imaging (JAI) to provide access to VICAR and PDS images in a file-format-independent manner. This low-level library can also be used to read and write labeled, uncompressed images stored in formats similar to VICAR, such as ISIS-2 and -3, and a subset of PDS (image format). This layer is analogous to the C-language "VICAR Run-Time Library" (RTL), which is the image I/O library for the (C/C++/Fortran) VICAR image processing system from JPL MIPL (Multimission Image Processing Lab). Java Advanced Imaging Codecs supporting support BMP, GIF (read only), FlashPix (read only), JPEG, PNG, PNM, TIFF, and WBMP. This allows an application to read and write specific image tiles, lines, or pixels and to manipulate the label data directly. The first level comprises the low-level, direct access to the file. ![]() Java Image I/O for VICAR, PDS, and ISIS This library, written in Java, supports input and output of images and metadata (labels) in the VICAR, PDS image, and ISIS-2 and ISIS-3 file formats. ![]()
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