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ClearCanvas Workstation 2.0 SP1
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ClearCanvas In Action

The ClearCanvas Workstation is a integrated RIS Client and DICOM PACS viewer build on a highly extensible application framework. This video demonstrates the use of the Multiplanar Reconstruction (MPR) feature.
The ClearCanvas RIS is an enterprise-ready, open source RIS that is tightly integrated with a PACS and is easily extended for customized workflows. This video demonstrates how to use Worklists in ClearCanvas RIS.
The ClearCanvas Workstation is a integrated RIS Client and DICOM PACS viewer build on a highly extensible application framework. This video demonstrates how to integrate command-line based external applications with ClearCanvas Workstation.
The ClearCanvas RIS is an enterprise-ready, open source RIS that is tightly integrated with a PACS and is easily extended for customized workflows. This video demonstrates how to organize folders in ClearCanvas RIS.
The ClearCanvas Workstation is a integrated RIS Client and DICOM PACS viewer build on a highly extensible application framework. This video demonstrates how the Study Filtering feature allows you to filter images based on File Information and DICOM Attributes.

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What is ClearCanvas?

ClearCanvas is a company devoted to creating innovative open source healthcare IT applications that serve the common good. We are passionate about making such technology freely available to whoever believes they may benefit from it. Find out more...

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News

Product Bulletin 002 Issued

Feb 5

Written by: norman
Friday, February 05, 2010 

A defect has been discovered in ClearCanvas Workstation 1.5 and 1.5 SP1 that has resulted in a product recall. Though the risk of harm to patients is low, we have decided to suspend access to the downloads so that new users will not be affected. Please read Product Bulletin 002 to understand the problem and take the appropriate actions. We apologize for any inconvenience this issue may cause.

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2 comment(s) so far...

Re: Product Bulletin 002 Issued

Product Bulletin 002 says "The defect is limited to images where the pixels are not square in shape. That is, this problem will manifest only when the DICOM header of the image specifies Pixel Aspect Ratio, and the computed ratio is anything other than 1."

If the image has Pixel Spacing or Imager Pixel Spacing (and hence NOT Pixel Aspect Ratio): is there a problem with non-square pixels? Or is everything OK?

By smr99 on   Friday, February 05, 2010

Re: Product Bulletin 002 Issued

If Pixel Aspect Ratio is not present at all, then even though the pixels may not be square, the problem does NOT present. The code error involves a casting problem on the ratio computed from the Pixel Aspect Ratio tag where the floating point part of the value is discarded. If Pixel Aspect Ratio doesn't exist in the header, then Pixel Spacing or Imager Pixel Spacing is used instead.

This is my understanding, but I will re-confirm this with the dev team.

[The above has been verified with the Dev team to be accurate. 8-Feb-10]

By clinton on   Monday, February 08, 2010
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