Search found 33 matches

by jisheng
Mon Dec 10, 2018 9:56 pm
Forum: General Topics
Topic: maintaing same brightness throughout video
Replies: 8
Views: 354

Re: maintaing same brightness throughout video

I think you are talking about making each frame have the same light even if the light outdoors changes. do i understand correctly?
by jisheng
Thu Dec 06, 2018 1:17 am
Forum: General Topics
Topic: ask information about remove_shadows()
Replies: 4
Views: 191

Re: kwagyeman

Ok, I get the file. Thanks a lot, bro.
by jisheng
Wed Dec 05, 2018 9:18 pm
Forum: General Topics
Topic: ask information about remove_shadows()
Replies: 4
Views: 191

Re:kwagyeman

hello, I read the paper in that website. In the paper, it only shows five methods, LR Texture method, Physical method, SR Texture method, Chromacity method and Geometry method. There is no color based method. And did you get the source code in that wedsite. Though I can download the zip, it is empty.
by jisheng
Wed Dec 05, 2018 3:14 am
Forum: General Topics
Topic: ask information about remove_shadows()
Replies: 4
Views: 191

ask information about remove_shadows()

hello, kwagyeman. I am very curious about the method of remove_shadows(). Is that convenient to send me the pdf of that paper or tell me the name of that paper or the name of that method? Look forward to your reply. Thanks a lot.
by jisheng
Sun Dec 02, 2018 8:37 pm
Forum: General Topics
Topic: about machine module
Replies: 6
Views: 274

Re:kwagyeman

OK,I got it.Thanks a lot.
by jisheng
Tue Nov 27, 2018 12:47 am
Forum: General Topics
Topic: about machine module
Replies: 6
Views: 274

Re: about machine module

an external interrupt on X1 (PA0=WKUP) or X18 (PC13=TAMP1) Does the above sentense mean that i just need to give X1 or X18 a high level or low level? I cannot find this two lines on the openmvboard. Could you please give some hint? Thanks a lot.
by jisheng
Mon Nov 26, 2018 8:54 pm
Forum: General Topics
Topic: about machine module
Replies: 6
Views: 274

Re: kwagyeman

So is there anyway to realize the process that using a sensor to wake up and reset the openmv,then make openmv enter standby mode or suspend mode for some time that is not fixed? I just want the openmv to stop working and after being waked up by external sensor, the openmv can repeat the same functi...
by jisheng
Sun Nov 25, 2018 8:24 pm
Forum: General Topics
Topic: about machine module
Replies: 6
Views: 274

about machine module

hello, I am confused about one class, machine. i would like to use a external sensor to wake up the openmv from the sleep status.There is a constant, maching.PIN_WAKE. I dont know how to use it. And how shoule I connect the lines?Is there any example that can show how to use this command. Help,pleas...
by jisheng
Tue Jun 26, 2018 2:03 am
Forum: General Topics
Topic: starting speed of openmv
Replies: 4
Views: 536

Re: kwagyeman

Is there any influence from the micropython since we need import some libs first?
by jisheng
Mon Jun 25, 2018 4:50 am
Forum: General Topics
Topic: starting speed of openmv
Replies: 4
Views: 536

starting speed of openmv

Now, i would like to start my openmv very fast.Is there any way to speed up the starting speed of openmv? Thanks
by jisheng
Mon Mar 05, 2018 8:32 pm
Forum: General Topics
Topic: color track
Replies: 3
Views: 9656

Re: kwagyeman

for now, what I would like to do is, for example, traking the red color and if there is the red color in the image, i would like to return 1. Can this come true?
by jisheng
Mon Mar 05, 2018 3:58 am
Forum: General Topics
Topic: color track
Replies: 3
Views: 9656

color track

hello, I met a problem. I want to use the openmv to track the red color, but it doesnt work. How is blob.code() used? follows are the codes from example. is there anyone who can give me some advice? thanks a lot. while(True): clock.tick() img = sensor.snapshot() for blob in img.find_blobs(thresholds...
by jisheng
Mon Oct 16, 2017 9:12 pm
Forum: General Topics
Topic: codes running related to powering up frequently
Replies: 3
Views: 1039

Re: kwagyeman

i just use the general code and i guess the it is not the codes causing this problem. I make a led light lit at the beginning of the codes to check. when it doesn't work, the led light doesn't work. it seems the codes don't run.
by jisheng
Mon Oct 16, 2017 2:55 am
Forum: General Topics
Topic: codes running related to powering up frequently
Replies: 3
Views: 1039

codes running related to powering up frequently

Dose anyone meet a problem that if you make openmv power on frequently, sometimes the program in the sd card cannot run? Is there any solution for this?
by jisheng
Wed Apr 26, 2017 9:08 pm
Forum: General Topics
Topic: what is the relation between firmware file and src file?
Replies: 8
Views: 2057

Re: kwagyeman

OK, thanks, I will go through this website.
by jisheng
Wed Apr 26, 2017 1:00 am
Forum: General Topics
Topic: what is the relation between firmware file and src file?
Replies: 8
Views: 2057

Re:kwagyeman

yes, this is the first time I work on the firmware stuff and I will spend some time doing this part. I am about to add some image algorithm to the firmware to fulfill certain function. So can you recommend some materials for this part of knowledge? I appreciate it a lot.

Jisheng
by jisheng
Tue Apr 25, 2017 10:28 pm
Forum: General Topics
Topic: what is the relation between firmware file and src file?
Replies: 8
Views: 2057

Re:kwagyeman

So what kinds of source codes, or which source code file,construct a complete original firmware.bin including all the functionalities such as communication, python compiling tool,image processing and so on?
by jisheng
Tue Apr 25, 2017 9:07 pm
Forum: General Topics
Topic: what is the relation between firmware file and src file?
Replies: 8
Views: 2057

Re: kwagyeman

yep,part of my question.Thanks first. So do I need to combine the new firmware binary with the firmware.bin and then upload the new firmware.bin? Or I just need to upload the new firmware binary to the openmv board directly that has already included the firmware.bin? And what kind of tools can I use...
by jisheng
Tue Apr 25, 2017 4:51 am
Forum: General Topics
Topic: what is the relation between firmware file and src file?
Replies: 8
Views: 2057

what is the relation between firmware file and src file?

4M$[2%2L0T7~%]PECR](ZPB.png Hi, I am confused about this. Does anyone can help explain this? I see two posts about the firmware update in this community. When we upload the firmware.bin in firmware file,it is called firmware update. Also, when we add a new function to the imlib.c and py_image.c in ...
by jisheng
Thu Apr 20, 2017 9:01 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re: lcd shield doesn't work

OK,thanks.
by jisheng
Wed Apr 19, 2017 10:00 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re:iabdalkader

Yes, I bought it from taobao. So do you have a formal distributor in China?
by jisheng
Wed Apr 19, 2017 9:34 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re:iabdalkader

hi, I post the picture. This is what the lcd shield like.
by jisheng
Wed Apr 19, 2017 9:32 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re: lcd shield doesn't work

IMG_1090.JPG
IMG_1090.JPG (1.92 MiB) Viewed 5817 times
by jisheng
Tue Apr 18, 2017 11:05 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re: lcd shield doesn't work

I tried the code you tell me.I think this time it works,but there are many stripes in the LCD shield. I cannot find the browse button in my web. Could you please tell me your email address, so that i can use the email to send you the picture. By the way, if I erase some thing by mistake, can it have...
by jisheng
Tue Apr 18, 2017 10:45 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re: iabdalkader

# Hello World Example # # Welcome to the OpenMV IDE! Click on the green run arrow button below to run the script! import sensor, image, time sensor.reset() # Reset and initialize the sensor. sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE) sensor.set_framesize(sensor.Q...
by jisheng
Tue Apr 18, 2017 10:25 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re:iabdalkader

Sure! I add it with the attachments. Can you see the picture?
by jisheng
Tue Apr 18, 2017 9:23 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

Re:deshipu

I tried it just now, but it doesn't work still. :?
by jisheng
Tue Apr 18, 2017 9:16 pm
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 3
Views: 1150

Re:kwagyeman

Previously, when I connect my board to my PC,the pictures from the sensor will be updated real time both in the ide and LCD shield. However, for now, the picture can only be updated in the ide and would not be updated in the lcd shield. I don't know what happens. I would like to fix this problem. I ...
by jisheng
Tue Apr 18, 2017 4:36 am
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 18
Views: 5864

lcd shield doesn't work

Re: Can the board works disconnected from IDE ? Postby kwagyeman » Tue Oct 04, 2016 7:57 am On my phone, so, short answer. Click tools, and the then save to OpenMV cam. The IDE will then ask you if you want comments striped. Then go to tools and click reset OpenMV cam. The board will now run the scr...
by jisheng
Tue Apr 18, 2017 4:35 am
Forum: General Topics
Topic: lcd shield doesn't work
Replies: 3
Views: 1150

lcd shield doesn't work

Re: Can the board works disconnected from IDE ? Postby kwagyeman » Tue Oct 04, 2016 7:57 am On my phone, so, short answer. Click tools, and the then save to OpenMV cam. The IDE will then ask you if you want comments striped. Then go to tools and click reset OpenMV cam. The board will now run the scr...
by jisheng
Fri Apr 14, 2017 12:34 am
Forum: Technical Discussion
Topic: third-party library application
Replies: 4
Views: 1511

Re: iabdalkader

Thanks,bro.
by jisheng
Thu Apr 13, 2017 1:35 am
Forum: Technical Discussion
Topic: third-party library application
Replies: 4
Views: 1511

Re: iabdalkader

Thanks a lot. Your post is very valuable for me. By the way, do you know where I can find the introduction about the commands that have already existed in the openmv library, such as, image.HaarCascade, sensor.snapshot. I cannot know what kind of functions the openmv library includes, completely, ju...
by jisheng
Wed Apr 12, 2017 9:55 pm
Forum: Technical Discussion
Topic: third-party library application
Replies: 4
Views: 1511

third-party library application

hello,

I am using openmv. And i plan to use it to do some image process. However, I find that the image process library of the openmv is not enough for my work. So can I write my own third-party library and burn it to the openmv board? Does anyone have the related experience? Thanks.

Go to advanced search