Image Management in Alfresco

With the rise in Enterprise content Management and Web Content management there is on more area which could be considered as subset of Web content Management becomes popular. With the proliferation of Computers and Digitization each and every type of information is becoming digital and why not because it is much easier to manage information that way.

Digital Asset Management consists of multiple management tasks and decisions surrounding the ingestion, annotation, cataloguing, storage, retrieval and distribution of digital assets by use of hardware and software. Digital Images is one of digital asset which needs this kind of DAM system especially when we are dealing with Hugh number of Images and all of them needs to be stored in such a way that they should be easy to search and manage. Take an example of Large Publishing house they daily deal with thousands of Images a robust Digital Asset Management system makes life much easier for them.

Alfresco provide many feature related to Image management. So, here we are going to discuss some of these features.

  • Image Transformation
  • Thumbnail Generation
  • Geo-Tagging of Images
  • Categorization of Images
  • Auto-Extraction of Image Metadata

 Image Transformation

Alfresco have capabilities to manipulate images. Alfresco uses ImageMagikWork third party software to do operations on images. Image operations can be invoked through Rules or Actions. For details about rules and actions you can refer my previous posts on Rule and Actions. For Example create a rule which converts all incoming PNG images into JPG images and create copy of those images.

Thumbnail Generations

For all images which are uploaded into alfresco we can see their thumbnail in preview and listing of those images. Alfresco has thumbnail service which does this job for it. Whenever images are being uploaded alfresco invokes thumbnail service and create thumbnail image of image.

Geo Tagging of Images

Alfresco also have a feature where it can extract geo information stored in image like latitude and longitude information from images and associate those information as metadata. All images with that Geo Information can be viewed on Google maps. Details related to that feature can be found here.

Categorization of Images

This is one of the basic features of Alfresco where you can categorize contents by assigning category to it which makes it easier to browse through them. Even you can add tags to images to identify them.

Auto Extraction of Image Metadata

For Images which are taken through high configuration or professional cameras contains many information like “exposure time”,”camera”,”resolution” etc.,,When Image with all these information is being uploaded into alfresco it invokes metadata extractor and extract all such information and attach them as metadata in alfresco. So user can get all those information by going to image detail page of alfresco

These are few capabilities of Alfresco around Image Management. I hope this helps you in evaluating alfresco for your Image Management requirements.

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I love opensource technologies working with those technologies from the time I have stepped in to the Software Industry. Alfresco CMS is my area of expertise. I have worked on various complex implementations which involved integration of Alfresco with other technologies, extensively worked with JBPM workflows and Webscripts.

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