Then should he write an input adapter instead of an extensions and only handle higher level events in Siddhi?
I am OK for that approach! On Fri, Nov 14, 2014 at 8:03 AM, Vanjikumaran Sivajothy <va...@wso2.com> wrote: > Hi, > > Video is a set of images in a given time framework, Is not that possible > do the prepossessing and normalization before the siddhi Engine? > > Best Regards, > Vanji > > On Fri, Nov 14, 2014 at 10:27 AM, Srinath Perera <srin...@wso2.com> wrote: > >> Hi Maninda, >> >> I agree with the concern. >> >> However, as far as the Hemika's project is concerned, lets accept that >> inefficiency to keep it within 3 weeks scope. >> >> Having said that, I am very much interested how video stream like data >> set can be received and processed though an event stream (within Siddhi). >> May be the best we can do is to process them at an input adapter and only >> send high level events. If you understand this domain, can we chat about >> this a bit. >> >> --Srinath >> >> On Thu, Nov 13, 2014 at 6:17 PM, Maninda Edirisooriya <mani...@wso2.com> >> wrote: >> >>> In general video streams are compressed in time domain. If we send one >>> frame as an event this will not be achieved and the required bandwidth will >>> be higher. >>> Instead if the video stream can be chunked and decompress inside the >>> server / engine, bandwidth could have been saved. >>> >>> BTW we can use the same input adaptors to get videos to BAM and do some >>> batch processing if map-reduce implementations can be found for computer >>> vision algorithms like http://hipi.cs.virginia.edu/ >>> >>> >>> *Maninda Edirisooriya* >>> Senior Software Engineer >>> >>> *WSO2, Inc.*lean.enterprise.middleware. >>> >>> *Blog* : http://maninda.blogspot.com/ >>> *E-mail* : mani...@wso2.com >>> *Skype* : @manindae >>> *Twitter* : @maninda >>> >>> On Thu, Nov 13, 2014 at 8:32 AM, Srinath Perera <srin...@wso2.com> >>> wrote: >>> >>>> Adding dev@ >>>> >>>> Hi Suho, Mohan, >>>> >>>> Open CV (computer vision library) let you train and build a model that >>>> generates an XML file that can be used from a java program to classify >>>> video streams (e.g. detect an human, vehicle). >>>> >>>> Idea of the project is to write an CEP extension that takes the XML >>>> file and detect vision detection. We can send each frame in video as an >>>> event. However, it is a byte array. How can we send this? If he used >>>> siddhi, can he send it by defining type as object? >>>> >>>> Long term we should define an byte[] >>>> >>>> --Srinath >>>> >>>> On Wed, Nov 12, 2014 at 3:35 PM, Hemika Kodikara <hem...@wso2.com> >>>> wrote: >>>> >>>>> Hi all, >>>>> >>>>> This is regarding the Fast Track Training Project that I selected to >>>>> complete [1]. >>>>> >>>>> The task is to create a CEP extension which will receive a stream of >>>>> video and do several image processing tasks to identify an object. >>>>> >>>>> Need to know more insight on how to send input a video stream. >>>>> >>>>> Even though it is a video, we can use it frames. Which will be a set >>>>> of images. >>>>> >>>>> [1] - https://redmine.wso2.com/issues/2646 >>>>> >>>>> Hemika Kodikara >>>>> Software Engineer >>>>> WSO2 Inc. >>>>> lean . enterprise . middleware >>>>> http://wso2.com >>>>> >>>>> Mobile : +94777688882 >>>>> >>>> >>>> >>>> >>>> -- >>>> ============================ >>>> Blog: http://srinathsview.blogspot.com twitter:@srinath_perera >>>> Site: http://people.apache.org/~hemapani/ >>>> Photos: http://www.flickr.com/photos/hemapani/ >>>> Phone: 0772360902 >>>> >>>> _______________________________________________ >>>> Dev mailing list >>>> Dev@wso2.org >>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>>> >>>> >>> >> >> >> -- >> ============================ >> Blog: http://srinathsview.blogspot.com twitter:@srinath_perera >> Site: http://people.apache.org/~hemapani/ >> Photos: http://www.flickr.com/photos/hemapani/ >> Phone: 0772360902 >> >> _______________________________________________ >> Dev mailing list >> Dev@wso2.org >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > Sivajothy Vanjikumaran > *Senior Software Engineer* > *Integration Technologies Team* > *WSO2 Inc. http://wso2.com <http://wso2.com/>* > *Mobile:(+94)777219209* > [image: Facebook] <https://www.facebook.com/vanjikumaran> [image: Twitter] > <https://twitter.com/vanjikumaran> [image: LinkedIn] > <http://www.linkedin.com/pub/vanjikumaran-sivajothy/25/b31/293> [image: > Blogger] <http://vanjikumaran.blogspot.com/> [image: SlideShare] > <http://www.slideshare.net/vanjikumaran> > > This communication may contain privileged or other > confidential information and is intended exclusively for the addressee/s. > If you are not the intended recipient/s, or believe that you may > have received this communication in error, please reply to the > sender indicating that fact and delete the copy you received and in > addition, you should not print, copy, re-transmit, disseminate, or > otherwise use the information contained in this communication. > Internet communications cannot be guaranteed to be timely, secure, error > or virus-free. The sender does not accept liability for any errors > or omissions > -- ============================ Blog: http://srinathsview.blogspot.com twitter:@srinath_perera Site: http://people.apache.org/~hemapani/ Photos: http://www.flickr.com/photos/hemapani/ Phone: 0772360902
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