Search found 48 matches

by skylin008
Fri Dec 29, 2017 1:27 am
Forum: Technical Discussion
Topic: Covert Image to matrix
Replies: 2
Views: 392

Re: Covert Image to matrix

Thanks K kwagyeman,I will be try.
by skylin008
Thu Dec 28, 2017 9:29 pm
Forum: Technical Discussion
Topic: Covert Image to matrix
Replies: 2
Views: 392

Covert Image to matrix

Hello everyone! I want Image to dehazing processing,need covert image pixel value to matrix .But when run the script,the error information as show,had any method to finish this function.Thanks kindly support!
by skylin008
Fri Dec 08, 2017 3:32 am
Forum: Technical Discussion
Topic: Bird's eye view transformation to estimate the distance
Replies: 1
Views: 455

Bird's eye view transformation to estimate the distance

Hello,everyone! Bird's eye view transformation is to generate a top view perspective of an image. I would be use it to measure or estimate the distance from camera to object(the object size not fixed).How to finished this function.Thanks!
by skylin008
Sun Oct 15, 2017 3:43 am
Forum: Technical Discussion
Topic: How to porting image processing algorithm with pure C to openmv3
Replies: 1
Views: 538

How to porting image processing algorithm with pure C to openmv3

Hello everyone ! I need my new algorithm with pure c to openmv3 ,Does it have detailed doc guide to porting it.Thank you very much!
by skylin008
Mon Aug 14, 2017 9:32 pm
Forum: Technical Discussion
Topic: Detection the cars rear tail-light
Replies: 1
Views: 660

Detection the cars rear tail-light

We have a new project that needs to be detection in a variety of natural environments (including sunny, rainy, day, night, fog) need to detect the car's red taillights and its symmetry. When using the find_blob method, it is found that the influence of ambient light is very large, resulting in inacc...
by skylin008
Tue Aug 08, 2017 3:46 am
Forum: Technical Discussion
Topic: Flipping the camera up-side-down
Replies: 17
Views: 4627

Re: Flipping the camera up-side-down

Thank you iabdalkader, I will be try!
by skylin008
Mon Aug 07, 2017 11:32 pm
Forum: Technical Discussion
Topic: trained haar classifier could not run properly
Replies: 26
Views: 5019

Re: trained haar classifier could not run properly

iabdalkader ,Thank you for your kindley support! The issue can't be solved from viewtopic.php?f=6&t=246&p=1969&hilit=short#p1969. I found the file is HOG or LBP format train by opencv,there can't be convert to cascade file by openmv-cascade.py. How to used there in openmv3 .Thanks!
by skylin008
Mon Aug 07, 2017 9:54 am
Forum: Technical Discussion
Topic: trained haar classifier could not run properly
Replies: 26
Views: 5019

Re: trained haar classifier could not run properly

Thank you for your kindly support! I had check the version of python.Default is python 2.7.I also try follow command:python2.7 openmv-cascade.py cas1.xml ,the same error show,thank you!
by skylin008
Mon Aug 07, 2017 4:37 am
Forum: Technical Discussion
Topic: Flipping the camera up-side-down
Replies: 17
Views: 4627

Re: Flipping the camera up-side-down

Hi,kwagyeman . I need only ROI field in one Image.Thanks!
by skylin008
Mon Aug 07, 2017 2:39 am
Forum: Technical Discussion
Topic: Flipping the camera up-side-down
Replies: 17
Views: 4627

Re: Flipping the camera up-side-down

Hello kwagyeman ,how to define the ROI used sensor.set_vflip or sensor.set_hmirror?
by skylin008
Mon Aug 07, 2017 12:01 am
Forum: Technical Discussion
Topic: Flipping the camera up-side-down
Replies: 17
Views: 4627

Re: Flipping the camera up-side-down

Hello kwagyeman! How to used the sensor.hmirror and sensor.vflip. Rotation function when by define the ROI field. I Need compared one image the diffenece between the up side down or left side right which by define the ROI fields.Thank you for your kindly support!
by skylin008
Sun Aug 06, 2017 9:57 pm
Forum: Technical Discussion
Topic: trained haar classifier could not run properly
Replies: 26
Views: 5019

Re: trained haar classifier could not run properly

Yes,I used the python 2.7.6 (GCC 4.8.4)
by skylin008
Sat Aug 05, 2017 10:59 pm
Forum: Technical Discussion
Topic: trained haar classifier could not run properly
Replies: 26
Views: 5019

Re: trained haar classifier could not run properly

Hello iabdalkader ,thank you for your kindly support! when I convert the xml file to cascade in ubuntu 16.04 ,the error information as follow: python openmv-cascade.py cas2.xml Converting new XML format.. Traceback (most recent call last): File "openmv-cascade.py", line 416, in <module> main() File ...
by skylin008
Wed Aug 02, 2017 5:34 am
Forum: Technical Discussion
Topic: Measuring distance between objects in an image
Replies: 8
Views: 1382

Re: Measuring distance between objects in an image

Thank you kwagyeman ! The openmv3 be used in ADAS.The distance measuring no be very accurately! Had any method can be come true? Thank you very much!
by skylin008
Tue Aug 01, 2017 10:28 pm
Forum: Technical Discussion
Topic: Measuring distance between objects in an image
Replies: 8
Views: 1382

Re: Measuring distance between objects in an image

Thank you kwagyeman. I had used the haarcascade way to vehicle detection in road . I need the measuring or predicting the distance between vehicle and openmv3 camera .Thank you very much!
by skylin008
Tue Aug 01, 2017 1:46 am
Forum: Technical Discussion
Topic: Measuring distance between objects in an image
Replies: 8
Views: 1382

Measuring distance between objects in an image

Hello everyone! Openmv3 is a appreciation project .I had read the source code .I had a issue, How to Measuring distance between objects in an image with openmv3.Thanks !
by skylin008
Tue Jul 04, 2017 3:24 am
Forum: Technical Discussion
Topic: openmv3 can be support SVM
Replies: 4
Views: 1993

Re: openmv3 can be support SVM

Hello iabdalkader,pls when time the SVM function for human detection can be include?Thank you !
by skylin008
Tue Jun 27, 2017 4:50 am
Forum: Technical Discussion
Topic: haarCascade file Crashed
Replies: 3
Views: 1127

haarCascade file Crashed

when used the attach the cascade file(the .rar file include the .xml file) ,the openmv3 be crashed ,How solve this issue.Than
haardata2.rar
(17.42 KiB) Downloaded 36 times
k you for kindly support.
by skylin008
Mon Jun 26, 2017 3:29 am
Forum: Technical Discussion
Topic: openmv-cascade to be use
Replies: 9
Views: 3212

Re: openmv-cascade to be use

@ iabdalkader ,when I used the attach the cascade file(the .rar file include the .xml file) ,the openmv3 be crashed ,How solve this issue.Thank you for kindly support.
by skylin008
Mon Jun 19, 2017 2:57 am
Forum: General Topics
Topic: openmv IDE flash out
Replies: 1
Views: 733

openmv IDE flash out

With installed opem IDE software in windows xp platform,it can be installed ok ,but when open the IDE ,the software flashed out in 2 second.How solve this issue.Thanks!
by skylin008
Fri Apr 28, 2017 11:20 pm
Forum: General Topics
Topic: which version opencv to compatible openmv-cascade
Replies: 1
Views: 791

which version opencv to compatible openmv-cascade

Hello,I want to used haar cascade function,which version opencv to compatible the openmv-cascade.py .Thanks!
by skylin008
Thu Apr 27, 2017 4:17 am
Forum: Technical Discussion
Topic: openmv3 can be support SVM
Replies: 4
Views: 1993

openmv3 can be support SVM

Hello.Openmv3 can be support the SVM(Support vector machine) machine learning for human detection for walking .Thanks!
by skylin008
Mon Apr 24, 2017 9:47 pm
Forum: Technical Discussion
Topic: run cascade file openmv3 crash
Replies: 8
Views: 2843

Re: run cascade file openmv3 crash

Hello,iabdalkader,about the load cascade file crash issue have new methold to be solved?Thanks!
by skylin008
Sat Apr 22, 2017 12:09 am
Forum: Technical Discussion
Topic: openmv firmware can be run STM32H7
Replies: 1
Views: 921

openmv firmware can be run STM32H7

Hello,we know the STM32H7 devices are based on the high-performance ARM®Cortex®-M7 32-bit RISC core operating at up to 400 MHz frequency. The Cortex®-M7 core features a floating point unit (FPU) which supports ARM® double-precision (IEEE 754 compliant) and single-precision data-processing instructio...
by skylin008
Wed Apr 19, 2017 3:30 am
Forum: Technical Discussion
Topic: Measure the line minimal gap
Replies: 4
Views: 1631

Re: Measure the line minimal gap

Thanks iabdalkader, Yes,I had finish minlinelength function.
by skylin008
Tue Apr 18, 2017 11:20 pm
Forum: Technical Discussion
Topic: Measure the line minimal gap
Replies: 4
Views: 1631

Re: Measure the line minimal gap

Pictures taken by camera are processed by find_line and will find a lot of lines that keep only the longest line segments. If the same line segment exceeds two and the minimum distance is less than the specified value, the line is not drawn when the draw_line function is used. This function is simil...
by skylin008
Tue Apr 18, 2017 3:49 am
Forum: Technical Discussion
Topic: Measure the line minimal gap
Replies: 4
Views: 1631

Measure the line minimal gap

When use the find_line,the many line can be detection.How to measue the line minimal gap and filter,thanks!
by skylin008
Thu Apr 13, 2017 7:27 am
Forum: General Topics
Topic: Convert RGB to HSV
Replies: 1
Views: 938

Convert RGB to HSV

How to convert RGB to HSV for colors,Thanks!
by skylin008
Thu Apr 13, 2017 5:02 am
Forum: General Topics
Topic: Hough circle
Replies: 6
Views: 2071

Re: Hough circle

@ iabdalkader, I had used different canny for edge detection,how to use the openmv3 canny detection algorithm to fit the hough circle.Thank you very much!
by skylin008
Tue Apr 11, 2017 4:27 am
Forum: General Topics
Topic: Hough circle
Replies: 6
Views: 2071

Re: Hough circle

Thanks kwagyeman! I had a hough circle with c code,but how to porting to souce code be use by micropython.Attach the source code.Thank you very much!
by skylin008
Sat Apr 08, 2017 11:56 am
Forum: General Topics
Topic: Hough circle
Replies: 6
Views: 2071

Hough circle

Hello.I want to use openmv to recognition the traffic light,have any method to be come true hough circle transform,Thanks!
by skylin008
Thu Apr 06, 2017 4:17 am
Forum: Technical Discussion
Topic: run cascade file openmv3 crash
Replies: 8
Views: 2843

run cascade file openmv3 crash

Hello,every one! when I loaded my cascade file from openmv-cascade.py generated,the openmv3 crash and disconnect from IDE.How to solve this issue?Thanks!The source as follow: cars_cascade = image.HaarCascade("/cars.cascade", stages = 13) print(face_cascade) # FPS clock clock = time.clock() lcd.set_b...
by skylin008
Fri Mar 31, 2017 7:05 pm
Forum: Technical Discussion
Topic: openmv-cascade to be use
Replies: 9
Views: 3212

Re: openmv-cascade to be use

Thanks iabdalkader.I also use the official xml file, the same error message appears。
by skylin008
Fri Mar 31, 2017 10:53 am
Forum: Technical Discussion
Topic: openmv-cascade to be use
Replies: 9
Views: 3212

Re: openmv-cascade to be use

Yes,I had looked the thread,but it can't solve my issue!
by skylin008
Fri Mar 31, 2017 2:04 am
Forum: Technical Discussion
Topic: openmv-cascade to be use
Replies: 9
Views: 3212

openmv-cascade to be use

When use the openmv-cascade.py at python2.7 .some error shows as follow: [code]usage: openmv-cascade.py [-h] [-i] [-n NAME] [-s STAGES] [-c] file openmv-cascade.py: error: too few arguments Traceback (most recent call last): File "C:\Documents and Settings\fff\My Documents\Downloads\openmv-master (1...
by skylin008
Fri Mar 31, 2017 1:53 am
Forum: Technical Discussion
Topic: Composite image?
Replies: 7
Views: 2306

Re: Composite image?

Thanks kwagyeman and iabdalkader kindly support!
by skylin008
Thu Mar 30, 2017 10:53 am
Forum: Technical Discussion
Topic: Composite image?
Replies: 7
Views: 2306

Re: Composite image?

Sorry kwagyeman,I want to this effect as follow video for mjpeg video format.
https://m.youtube.com/watch?v=EZcHGsPX55Y
Thanks!
by skylin008
Thu Mar 30, 2017 4:47 am
Forum: Technical Discussion
Topic: Composite image?
Replies: 7
Views: 2306

Re: Composite image?

Thanks kwagyeman! But how to the find_line image(new image) add to the original(old image) image,and composit one image to recording? Thank you !
by skylin008
Wed Mar 29, 2017 10:28 am
Forum: Technical Discussion
Topic: Composite image?
Replies: 7
Views: 2306

Composite image?

Composite image of how to implement the processed images via find_line function, by adding to the original image and record the mpeg video format,Thank you!
by skylin008
Fri Mar 24, 2017 9:25 am
Forum: Technical Discussion
Topic: openmv can be achieve the car lane line detection?
Replies: 4
Views: 1458

Re: openmv can be achieve the car lane line detection?

kwagyeman,Thanks! As you kindly suggestion 2: By using the line detection feature to find lines. The code for this right now isn't that highly optimized however and I think I can make it go faster. However, that said, finding lines allows you to basically see lanes on either side of the robot. How t...
by skylin008
Thu Mar 23, 2017 9:10 am
Forum: Technical Discussion
Topic: openmv can be achieve the car lane line detection?
Replies: 4
Views: 1458

openmv can be achieve the car lane line detection?

Hello,kwagyeman!
openmv can be achieve the car lane line detection?Had some source code to be or modified the code from example!Thanks!
by skylin008
Thu Mar 23, 2017 4:36 am
Forum: General Topics
Topic: How to install openmv-ide to raspberry pi for raspbian OS
Replies: 6
Views: 2134

How to install openmv-ide to raspberry pi for raspbian OS

How to install openmv-ide to raspberry pi 3 for raspbian OS ,Thanks!
by skylin008
Thu Mar 16, 2017 2:57 am
Forum: General Topics
Topic: How to perform color recognition and white line recognition at the same time
Replies: 4
Views: 1677

Re: How to perform color recognition and white line recognition at the same time

Application scenarios are as follows: openmv camera fixed in the car, the car in the process of driving, constantly testing whether there is a red light in front and whether beyond the next double solid line. In openmv-ide, the detection of color using RGB mode, and the detection of white lines is u...
by skylin008
Wed Mar 15, 2017 10:37 am
Forum: General Topics
Topic: How to perform color recognition and white line recognition at the same time
Replies: 4
Views: 1677

Re: How to perform color recognition and white line recognition at the same time

Thanks kwagyeman!
Application scenario is as follows: the car in the process of driving, the need to constantly test the traffic lights ahead and around double solid line. Red light is detected and offset the double solid line, make a report to the buzzer.Thanks!
by skylin008
Wed Mar 15, 2017 3:01 am
Forum: General Topics
Topic: How to perform color recognition and white line recognition at the same time
Replies: 4
Views: 1677

How to perform color recognition and white line recognition at the same time

Color recognition can only be in RGB mode, while white line recognition can only be in gray mode,how to perform color recognition and white line recognition at the same time?Thanks!
by skylin008
Tue Mar 14, 2017 2:16 am
Forum: General Topics
Topic: How to detect deviation from the track
Replies: 2
Views: 1202

Re: How to detect deviation from the track

Thanks kwagyeman! I will be check!
by skylin008
Mon Mar 13, 2017 11:50 pm
Forum: Technical Discussion
Topic: Equivalent to OpenCV's cv2.warpPerspective?
Replies: 8
Views: 2431

Re: Equivalent to OpenCV's cv2.warpPerspective?

@ kwagyeman Have some example code to be test,Thanks!
by skylin008
Mon Mar 13, 2017 10:22 pm
Forum: General Topics
Topic: How to detect deviation from the track
Replies: 2
Views: 1202

How to detect deviation from the track

Application scenarios are as follows: a driving car, from the white line 20CM (allow error of 5cm) driving, how to achieve deviation from the track after the alarm.Thank you very much!

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