AccuSoft ImageGear MD

• Medical Formats
• Read and Write
• Display

• Presentation State Objects
• Image Processing
• Data Set
• Annotations

DICOM is an industry standard file format and network protocol for storing, exchanging and archiving medical images. ImageGear MD support for DICOM file format includes:

• Read and write DICOM images of various modalities, transfer syntaxes (uncompressed, RLE, JPEG, JPEG2000) and bit depths
• Automatic detection and read non-Part10 compliant DICOM images
• Read and write of DICOM Presentation State objects and overlays
• Full read and write access to DICOM non-image data
• Read DICOM waveform images

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When reading and writing DICOM image files, ImageGear MD provides the following capabilities:

• Display DICOM waveforms for ECG and HD modalities with image data set access
• Convert to and from other ImageGear supported formats
• Scan 9- to 16-bit grayscale images using TWAIN
• Support monochrome, grayscale, palletized and true color DICOM images
• Read and write both Big Endian and Little Endian byte orders
• Auto-detect DICOM images with or without a Meta-info (Part 10) header
• Read many out-of-spec images
• Read 1-bit DICOM files
• Read and write multi-frame and Cine files
• Support both Implicit VR and Explicit VR
• Read files with or without group lengths
• Load and save DICOM images without data element (DE) loss
• Preserve 16-bit grayscale pixels
• Read RGB planar images
• Read and write JPEG lossy, JPEG lossless, RLE and JPEG 2000 compressed DICOM images
   

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When displaying DICOM image files, ImageGear MD provides the following capabilities:

• Real-time contrast adjustment using Window level, rescale, and gamma correction transforms
• Support bit depths of 8- to 16-bits per pixel
• Pseudo-coloring of entire image using either pre-defined pseudo-color schemes or your own customized LUTs
• Allow pseudo-coloring of only those pixel values that are over the high threshold, or under the low threshold (allows you to set the thresholds)
• Support for cine loop display of image sequences

ImageGear MD includes support for Presentation State objects. These objects serve the following purposes within a DICOM file:

• Consistent display of images on various devices and media
• Storage of specific settings for display
• Storage of annotations and additional tags such as Patient/Study/Series information

Presentation State files do not contain images, but rather reference other images for which they provide the above mentioned attributes.

ImageGear provides full support for the Presentation LUT as well as the Grayscale Standard Display Function (GSDF). This allows consistent image display and contrast settings. Additionally, the Presentation State data set can be loaded and merged with the image data set.

Presentation State annotations are also supported. These include:

• Textbox
• Point
• Poly-line
• Spline
• Circle
• Ellipse

These annotations are converted into ImageGear ART objects during reading, and exported back into presentation state data during saving. Graphical objects can be filled or not. Additionally, annotations can be grouped into layers.

When processing medical image files, ImageGear MD provides the following capabilities:

• Convert 16-bit images to 8-bit images and vice versa
• Contrast adjustment
• Tabulate up to 16-bit histogram data
• Convert signed to unsigned pixel data
• Swap bytes of 16-bit pixels
• Support convolve matrix, sharpen, smooth, edge maps, rotate, resize, flip and crop functions for 16-bit images
• Support 16-bit images in many baseline ImageGear Image Processing API functions
• Shifting up or down of the High bit
• Return minimum and maximum pixel values from a chosen area of an image
   

When working with the data set, ImageGear MD provides the following capabilities:

• Complete API for data set creation and removal
• Complete data set access, including the modification, addition and removal of data elements
• Complete support of SQ and multiple levels
• Add customer-defined tags to the data dictionary

The AccuSoft Redlining Toolkit (ART) component is part of ImageGear MD. It provides the ability to add annotations to a medical image, including:

• Add arrows
• Highlight the areas of interest on a medical image
• Place notes or observations onto an image
• Block out (redact) sensitive areas

Additionally, annotations can be merged with an image, or kept in a separate file and overlaid on the image at display time. In this way, the original image is never directly altered.