Search found 11 matches

by jl1982fm
Thu Jul 25, 2019 12:47 pm
Forum: Technical Discussion
Topic: using umatrix in OpenMV
Replies: 2
Views: 1226

Re: using umatrix in OpenMV

That when I was adding in import in the beginning of the code I was not able to see it in blue, but now that I copy it to the root folder of the SD card seems I can access it.
by jl1982fm
Thu Jul 25, 2019 11:54 am
Forum: Technical Discussion
Topic: using umatrix in OpenMV
Replies: 2
Views: 1226

using umatrix in OpenMV

I am trying to use the umatrix library in OpenMV but seems that it is not opening with I import umatrix at the beggining of the code.

https://github.com/openmv/openmv/blob/m ... umatrix.py

I am not sure how to use it.

Kind regards, jl1982fm
by jl1982fm
Wed Jun 26, 2019 2:24 pm
Forum: General Topics
Topic: MT9V034 Sensor RAW
Replies: 3
Views: 2516

Re: MT9V034 Sensor RAW

Thanks for your reply it was quite helpful, If the pins 44 and 45 where swap by the pins 18 and 19 from the schematics https://cdn.shopify.com/s/files/1/0803/9211/files/MT9V034.PDF?16766726301665544870 we will get the information from the LSBs, but not in the right order, the reason I ask it is beca...
by jl1982fm
Tue Jun 25, 2019 6:39 am
Forum: General Topics
Topic: MT9V034 Sensor RAW
Replies: 3
Views: 2516

MT9V034 Sensor RAW

Extracting the RAW data from the sensor, I am checking the specs of the sensor and in theory is capable of a 10 bit per pixel ADC, it is possible to extract this color depth resolution? The other question is in order to extract the raw data, as the sensor seems B&W does saving it as a BMP I can do l...
by jl1982fm
Wed Jun 19, 2019 3:55 am
Forum: General Topics
Topic: Global Shutter
Replies: 32
Views: 36860

Re: Global Shutter

Well, you can build a unit with a color sensor. You just have to take our files and switch out the MTV part to.thr color one. Our code then won't line the difference. As long as you keep the res above vga you have a bayer image. Would be great if you can explain this a bit further, what it the MTV ...
by jl1982fm
Fri Sep 14, 2018 6:22 am
Forum: Kickstarter Topics
Topic: OpenMV H7
Replies: 21
Views: 17365

Re: OpenMV H7

Hi will what kind of MIPI connection will the OpenMV H7 have?

MIPI CSI 2.1? 4 lanes?

Waiting for the kickstarted to start
by jl1982fm
Thu Aug 02, 2018 9:25 am
Forum: Technical Discussion
Topic: Saving the BAYER raw for sensor calibration
Replies: 9
Views: 2790

Re: Saving the BAYER raw for sensor calibration

But thanks a lot for your help I manage to sorted out, and looking forward to the Open MV H7. I searched in kickstarter but I didn't find it any link is welcomed. Seems that was the line order, I put the line regarding the sensor gain later and now seems to work. So now I can control both Exposure a...
by jl1982fm
Thu Aug 02, 2018 2:35 am
Forum: Technical Discussion
Topic: Saving the BAYER raw for sensor calibration
Replies: 9
Views: 2790

Re: Saving the BAYER raw for sensor calibration

Hi thanks for the reply. I need to work in the order of milliseconds, i was just testing in seconds with the LED so i could take the time with a chrono watch. Now I am using the filename for storing the information of the gain and exposure using sensor.get_gain_db(), sensor.get_exposure_us(), while ...
by jl1982fm
Wed Aug 01, 2018 4:34 pm
Forum: Technical Discussion
Topic: Saving the BAYER raw for sensor calibration
Replies: 9
Views: 2790

Re: Saving the BAYER raw for sensor calibration

Hi thanks, I tried the raw option, but seem it didn't work. But I can work with the Raw Anyway I am trying to adjust the exposure time and the gain. Which are the ranges of both parameters in the camera? Also when I am setting the Exposure value to 3000000 microseconds I watch the camera LED blue li...
by jl1982fm
Thu Jul 26, 2018 5:50 pm
Forum: Technical Discussion
Topic: Saving the BAYER raw for sensor calibration
Replies: 9
Views: 2790

Re: Saving the BAYER raw for sensor calibration

Dear Kwagyeman

Thanks a lot for the tip it worked, and now I am able to capture the images and do post processing for the calibration of the sensor that I need.

Kind regards
by jl1982fm
Thu Jul 26, 2018 4:49 am
Forum: Technical Discussion
Topic: Saving the BAYER raw for sensor calibration
Replies: 9
Views: 2790

Saving the BAYER raw for sensor calibration

I want to save the Bayer unmodified image Ideally i would like to save as a PGM file in which each pixel is each of the RGGB import sensor, image, pyb RED_LED_PIN = 1 BLUE_LED_PIN = 3 sensor.reset() # Initialize the camera sensor. sensor.set_pixformat(sensor.BAYER) # or sensor.Bayer sensor.set_frame...

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