Search found 27 matches

by bob63
Tue Dec 24, 2019 7:52 am
Forum: Project Discussion
Topic: Detect movement and direction
Replies: 8
Views: 2889

Re: Detect movement and direction

Hi ,
just to have evidence of the sequence of blobs , is there any way to add a frame number inside the blob ?
I've tryed with

Code: Select all

 blob["Frame"]=num_frame
but seems that blob object doesn't accet to append any value .
Tks
by bob63
Sat Nov 30, 2019 4:34 pm
Forum: Project Discussion
Topic: Detect movement and direction
Replies: 8
Views: 2889

Re: Detect movement and direction

Hi kwagyeman, just to understand if I've understood your post , are you referreing to somenthing , conceptually , similar to this ( i've found an example searching for object filter in google ... ) : # list of alphabets alphabets = ['a', 'b', 'd', 'e', 'i', 'j', 'o'] # function that filters vowels d...
by bob63
Sat Nov 30, 2019 4:03 am
Forum: Project Discussion
Topic: Detect movement and direction
Replies: 8
Views: 2889

Re: Detect movement and direction

So, I've no chance to use the blobs isolating just the moving ones ?
by bob63
Fri Nov 29, 2019 9:03 am
Forum: Project Discussion
Topic: Detect movement and direction
Replies: 8
Views: 2889

Re: Detect movement and direction

HI, yes I've seen the example that you suggest but as also declared in the code notes can't work in real time ,or let me say at least faster as I would like , and at the moment seems quite slow for my needs. Based on the crossing of the inmmaginary line I should activate or disactivate such sensors ...
by bob63
Fri Nov 29, 2019 6:59 am
Forum: Project Discussion
Topic: Detect movement and direction
Replies: 8
Views: 2889

Detect movement and direction

Hi, for my project I must find a way to detect the moving of person along the horizontal axis and if cross in one direction or in another an immaginary vertical line ( lets assume 1/2 of image size) , increment or decrement a counter. In another post was suggested for a similar problem to use the fr...
by bob63
Fri Nov 15, 2019 6:01 am
Forum: General Topics
Topic: www.openmv.io site doesn't open.
Replies: 5
Views: 854

Re: www.openmv.io site doesn't open.

Hi Kwabena, I confirm what say wikicand . I wrote you a mail days ago.
Have a nice day. Roberto. :)
by bob63
Fri Apr 26, 2019 3:45 am
Forum: Technical Discussion
Topic: img-chars74k.network network module missing,
Replies: 12
Views: 4000

Re: img-chars74k.network network module missing,

OK ! No problems ...

Thanks.
by bob63
Thu Apr 25, 2019 8:25 am
Forum: Technical Discussion
Topic: img-chars74k.network network module missing,
Replies: 12
Views: 4000

img-chars74k.network network module missing,

Hi , I've just received my H7 and try to use the machine learning example on IDE 2.2.0. Locking the nn_chars74k_2.py example I was expecting to find into the network models folder the 3 files mentioned as possible alternatives,but is available just the fnt-chars74k.network . Another doubt is about t...
by bob63
Tue Aug 08, 2017 12:08 pm
Forum: Technical Discussion
Topic: Integral Image
Replies: 3
Views: 2088

Re: Integral Image

ah !!!! :o
Ok I was 1 pixel over the y resolution ... :oops:
Thanks . Roberto.
by bob63
Tue Aug 08, 2017 10:33 am
Forum: Technical Discussion
Topic: Integral Image
Replies: 3
Views: 2088

Re: Integral Image

I've tryed this piece of code : while(True): bar1=0 bar2=0 img = sensor.snapshot() for x in range (20,21): for y in range(10,121): print( type(img.get_pixel(22,14))) bar1 += img.get_pixel(x,y) img.draw_string(28, 10,str(bar1)) Why at this instruction : bar1 += img.get_pixel(x,y) I got this error Typ...
by bob63
Tue Aug 08, 2017 9:03 am
Forum: Technical Discussion
Topic: Integral Image
Replies: 3
Views: 2088

Integral Image

Hi , I need calculate the sum of pixel in a specific ROI of a gray scale image. Reading some article on image processing , seems that one of most easy way is transit from an Integral image of the ROI. My ROI is about 5 x 150 pixel and I could use the image.get_pixel(x,y) to calculate the values , I ...
by bob63
Fri Jun 02, 2017 5:10 pm
Forum: Technical Discussion
Topic: Simple logical operations on images.
Replies: 3
Views: 2632

Re: Simple logical operations on images.

Hi ,
Thanks for the fast reply !
OK now is clear .
Thanks Roberto.
by bob63
Fri Jun 02, 2017 4:38 pm
Forum: Technical Discussion
Topic: Simple logical operations on images.
Replies: 3
Views: 2632

Simple logical operations on images.

I've recently recived the OpenVm7 and I'm playing with it. I just want perform some logical operation on two image but I got and syntax error when i try to perform the and operation : # Untitled - By: HomeLenovo - ven giu 2 2017 import sensor import image import pyb sensor.reset() sensor.set_pixform...
by bob63
Tue Mar 14, 2017 3:34 pm
Forum: Project Discussion
Topic: Morse Code Project
Replies: 3
Views: 3670

Re: Morse Code Project

Clear ! Thanks for the depth explanation.
by bob63
Sat Mar 11, 2017 4:25 pm
Forum: Project Discussion
Topic: Morse Code Project
Replies: 3
Views: 3670

Re: Morse Code Project

Hi , this is a very interesting project . I would like have some more details about some piece of code starting for instance from this one : if(sensor.snapshot().statistics()[7] >= MEAN_TRIGGER_THRESHOLD): count = 0 while(sensor.snapshot().statistics()[7] >= MEAN_TRIGGER_THRESHOLD): count += 1 retur...
by bob63
Sat Jan 28, 2017 3:50 pm
Forum: General Topics
Topic: Documentation in PDF format
Replies: 1
Views: 1977

Documentation in PDF format

Hi,
is there any possibility to have the OpenMV documentation also in PDF format instead that have to read from the web ?
I use print the documentation and put some hands written notes while I study , and print each single paragraf from the web is not the best...
Thanks.
by bob63
Sun Nov 06, 2016 3:25 pm
Forum: General Topics
Topic: Can the board works disconnected from IDE ?
Replies: 19
Views: 9997

Re: Can the board works disconnected from IDE ?

Good job guys !
Today after have downloaded the last version 1.3.0 of IDE from OpneMV download page and have upgraded the firmware to V 2.0.0 everything seems works fine.
Now I can start to play with this board :D

Thanks again . Roberto
by bob63
Sat Oct 22, 2016 6:25 am
Forum: General Topics
Topic: Can the board works disconnected from IDE ?
Replies: 19
Views: 9997

Re: Can the board works disconnected from IDE ?

HI, as suggested I've downloaded the ide from this link https://openmv.io/download/ . Now I've the ide 1.2 installed, and I hope that is the right one. On the board I've flashed the firmware 1.7 ( only the file openvm.df2 from OPENVM2 folder ). When i connect the board is recognised undec com9 port....
by bob63
Sat Oct 08, 2016 6:05 am
Forum: General Topics
Topic: Can the board works disconnected from IDE ?
Replies: 19
Views: 9997

Re: Can the board works disconnected from IDE ?

Hi , with IDE 1.0.0 under tools there is the option that you say . With Ide 1.5.0 the buttown download that appear at the start it doesn't work, so I don't understand if is just an allert or has to work as real download trigger. [img] Cattura1.JPG [/img] Under tools there is just the option Bootload...
by bob63
Tue Oct 04, 2016 5:37 am
Forum: General Topics
Topic: Can the board works disconnected from IDE ?
Replies: 19
Views: 9997

Can the board works disconnected from IDE ?

Hi, working with the exapmples I noticed that when I disconnect the board the code loaded into the IDE is never present inside the main.py file ,so my doubt if what is see run on the IDE is mainly is the rusult of processing inside the IDE by the PC instead than on board of board. In other words , i...
by bob63
Sun Sep 11, 2016 6:13 am
Forum: Technical Discussion
Topic: Detect motion direction
Replies: 9
Views: 5571

Re: Detect motion direction

Trying to test the basic and advanced frame differencing scripts I got this error msg IMPORT ERROR : no module named 'os' .
I'm using a 4 gb sd , that I normally use on the PyBoard without problems.
Thanks Roberto.
by bob63
Sat Sep 10, 2016 3:48 am
Forum: Technical Discussion
Topic: Detect motion direction
Replies: 9
Views: 5571

Re: Detect motion direction

Hi, unfortuantely I can't assume that the light will be always costant because during the day the light in the rooms could change. My idea was catch periodically the picture of the floor having so a reference and then compare this picture with frames taken when someone pass trought the door to under...
by bob63
Fri Sep 09, 2016 4:25 pm
Forum: Technical Discussion
Topic: Detect motion direction
Replies: 9
Views: 5571

Re: Detect motion direction

I want place the openmv camora on the top of a door to count how many person pass under the door from left to right and viceversa and count the transit in both direction. I've tryed the example available but not really understood how works an how decode the output for my scope.
Thanks.
by bob63
Sat Sep 03, 2016 7:47 am
Forum: General Topics
Topic: Documentation and Examples
Replies: 3
Views: 3559

Re: Documentation and Examples

After my post I've tried to update Firmware version to 1.8 but it doesent work and the board isn't recognised by my PV ( W7 ). Why ? Updating at version I.7 the optical_flow don't show the above error , so I suppose was a problem of firmware . Still open the question on the documentation. Than. Robe...
by bob63
Sat Sep 03, 2016 7:20 am
Forum: General Topics
Topic: Documentation and Examples
Replies: 3
Views: 3559

Documentation and Examples

Hi, I've received my board few day afo , but was not working because probably the firmware was not flashed in. Thansk to a post in the forum I've fixed the issue and at the moment I've installed the release 1.5 . Now I've started to play with the board using the exmples that I've have updated taking...
by bob63
Tue Aug 09, 2016 3:47 pm
Forum: Technical Discussion
Topic: Detect motion direction
Replies: 9
Views: 5571

Re: Detect motion direction

oK, perfect !
I've placed my order yesterday .
Thanks again.
by bob63
Sun Aug 07, 2016 8:50 am
Forum: Technical Discussion
Topic: Detect motion direction
Replies: 9
Views: 5571

Detect motion direction

Hi, I would like to know if OpenMV can be the right device for a my project. I need detect the direction of someone/something that transit under a door without have any marker or pre defined shape. The OpenMV could be the right device for this scope and in which way I could implement ? Comparing mor...

Go to advanced search