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
>>>>
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>>>>
>>>>
>>>
>>
>>
>> --
>> ============================
>> 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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>>
>
>
> --
> Sivajothy Vanjikumaran
> *Senior Software Engineer*
> *Integration Technologies Team*
> *WSO2 Inc. http://wso2.com <http://wso2.com/>*
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-- 
============================
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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