*Human Action Recognition using Factorized Spatio-Temporal Convolutional Networks *http://arxiv.org/abs/1510.00562
On Fri, Sep 9, 2016 at 1:04 PM, Rajith Roshan <[email protected]> wrote: > Hi Anusha, > > AFAIK Haar cascade is good to detect humans in still images. It does not > use the factors like motion of humans which will be available in a real > time video. Applying haar cascade for the video would process single frame > at a time which will result in delay when processing real time video. You > can use concepts like optical flows and its implementations like Lucas > Kanade (not directly , changed according to your scenario) in order to > capture the motion as well. > > Thanks > Rajith > > On Fri, Sep 9, 2016 at 11:26 AM, Sumedha Rubasinghe <[email protected]> > wrote: > >> On Fri, Sep 9, 2016 at 11:24 AM, Anusha Jayasundara <[email protected]> >> wrote: >> >>> Hi Geesara, >>> >>> I used Haar full body cascade and HoG pedestrian detection cascade, In >>> Haar full body cascade they have mentioned that, upper body detection, >>> lower body detection and full body detection is there in the cascade. even >>> thought it is there, once I tried to use separate upper body detection >>> cascade with full body detection cascade. but when it is implemented system >>> took long time to process even a simple video with two person. >>> I'll upload my code to Github repo. >>> I still didn't work with real-time CCTV videos ,but I was able to build >>> a real-time face detection system using the web cam of my laptop and it had >>> issues on processing as the machine couldn't handle it. >>> >> >> Anusha, >> Did you just detect the face or associated that with a name as well? >> >> >> >>> We thought of doing video processing out side of the CEP and send the >>> process data in to the CEP.(i.e human count, time_stamp, frame rate >>> ,etc..). For now I send those data into CEP as a Json POST request. >>> >>> >>> Thank You, >>> >>> >>> >>> >>> On Wed, Sep 7, 2016 at 11:57 PM, Geesara Prathap <[email protected]> >>> wrote: >>> >>>> Hi Anusha, >>>> >>>> A few suggestions to improve your implementation. >>>> Haar and HoG are used to get visual descriptors which can be used to >>>> describe an image. Then both of them are using boosting classification like >>>> AdaBoost to tune up its performance. When you are using haar-like feature >>>> extraction method you need to use more that one model in order to make the >>>> final decision. Let's say you are using full body classifier for human >>>> detection. Along with this classifier, can’t detect upper body properly. >>>> When haar-like feature extraction is used you may have to use more that one >>>> classifier and the final decision will be taken aggregation or composition >>>> of those results. Next important thing is pre-processing. It may be >>>> composed of color balancing, gamma correction , changing color space and >>>> some of the factors which unique to the environment which you're trying >>>> out. Processing model is also more important since this is to be done in >>>> real time. If you can explain your algorithm we will able to provide some >>>> guidance in order to improve your algorithm to get a better result. >>>> >>>> Since the main intention of this project is to facilitate support for >>>> images process in the WSO2 Platform. I am just curious to know, how do you >>>> process the video stream in real-time with the help of CEP. Since you are >>>> using CCTV feeds which might be using RTSP or RTMP, where do you process >>>> the incoming video stream? Are you to develop RTSP or RTMP input adapters >>>> so as to get input stream into CEP? >>>> >>>> Thanks, >>>> Geesara >>>> >>>> On Wed, Aug 31, 2016 at 8:16 PM, Anusha Jayasundara <[email protected]> >>>> wrote: >>>> >>>>> Hi, >>>>> >>>>> The Progress of the video processing project is described in the >>>>> attached pdf. >>>>> >>>>> On Wed, Aug 31, 2016 at 11:39 AM, Srinath Perera <[email protected]> >>>>> wrote: >>>>> >>>>>> Anusha has the people counting from video working through CEP and >>>>>> have a dashboard. ( Anusha can u send an update with screen shots?). We >>>>>> will also setup a meeting. >>>>>> >>>>>> Also seems new Camaras automatically do human detection etc and add >>>>>> object codes to videos, and if we can extract them, we can do some >>>>>> analysis >>>>>> without heavy processing as well. Will explore this too. >>>>>> >>>>>> Also Facebook opensourced their object detection code called FaceMask >>>>>> https://code.facebook.com/posts/561187904071636. Another to look at. >>>>>> >>>>>> --Srinath >>>>>> >>>>>> >>>>>> >>>>>> On Mon, Aug 15, 2016 at 4:14 PM, Sanjiva Weerawarana < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> Looks good! >>>>>>> >>>>>>> In terms of test data we can take the video cameras in the LK Palm >>>>>>> Grove lobby as an input source to play around with people analysis. For >>>>>>> vehicles we can plop a camera pointing to Duplication Road and get >>>>>>> plenty >>>>>>> of data :-). >>>>>>> >>>>>>> I guess we should do some small experiments to see how things work. >>>>>>> >>>>>>> Sanjiva. >>>>>>> >>>>>>> On Wed, Aug 10, 2016 at 3:02 PM, Srinath Perera <[email protected]> >>>>>>> wrote: >>>>>>> >>>>>>>> Attached document list some of the initial ideas about the topic. >>>>>>>> Anusha is exploring some of the ideas as an intern project. >>>>>>>> >>>>>>>> Please comment and help ( specially if you have worked on this area >>>>>>>> or has tried out things) >>>>>>>> >>>>>>>> >>>>>>>> Thanks >>>>>>>> Srinath >>>>>>>> >>>>>>>> -- >>>>>>>> ============================ >>>>>>>> Srinath Perera, Ph.D. >>>>>>>> http://people.apache.org/~hemapani/ >>>>>>>> http://srinathsview.blogspot.com/ >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Sanjiva Weerawarana, Ph.D. >>>>>>> Founder, CEO & Chief Architect; WSO2, Inc.; http://wso2.com/ >>>>>>> email: [email protected]; office: (+1 650 745 4499 | +94 11 214 >>>>>>> 5345) x5700; cell: +94 77 787 6880 | +1 408 466 5099; voip: +1 650 >>>>>>> 265 8311 >>>>>>> blog: http://sanjiva.weerawarana.org/; twitter: @sanjiva >>>>>>> Lean . Enterprise . Middleware >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> ============================ >>>>>> Srinath Perera, Ph.D. >>>>>> http://people.apache.org/~hemapani/ >>>>>> http://srinathsview.blogspot.com/ >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Anusha Jayasundara >>>>> Intern Software Engineer >>>>> WSO2 >>>>> +94711920369 >>>>> >>>>> _______________________________________________ >>>>> Architecture mailing list >>>>> [email protected] >>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>>>> >>>>> >>>> >>>> >>>> -- >>>> Geesara Prathap Kulathunga >>>> Software Engineer >>>> WSO2 Inc; http://wso2.com >>>> Mobile : +940772684174 >>>> >>>> >>> >>> >>> -- >>> >>> Anusha Jayasundara >>> Intern Software Engineer >>> WSO2 >>> +94711920369 >>> >>> _______________________________________________ >>> Architecture mailing list >>> [email protected] >>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>> >>> >> >> >> -- >> /sumedha >> m: +94 773017743 >> b : bit.ly/sumedha >> >> _______________________________________________ >> Architecture mailing list >> [email protected] >> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >> >> > > > -- > Rajith Roshan > Software Engineer, WSO2 Inc. > Mobile: +94-72-642-8350 <%2B94-71-554-8430> > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- Thanks & regards, Nirmal Team Lead - WSO2 Machine Learner Associate Technical Lead - Data Technologies Team, WSO2 Inc. Mobile: +94715779733 Blog: http://nirmalfdo.blogspot.com/
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