104 questions
I would like to apply the homography matrix to the input image by cv::warperspectiveTransform().A memory access violation occurs. I tried many things referring to OpenCV warpperspective, but it didn't...
If you use the code below to detect objects, multiple detection windows will be displayed for one object.(I think it's because the object was recognized as multiple because it was slightly separated o...
There is a fixed camera.This camera can change the angle.(Frequently used surveillance camera)There are different images 1 and 2 by changing the angle with this camera.I would like to find the angle i...
Let's say there's some kind of noise in the OCR.If it is close to a straight line, it can be deleted by Huff conversion extraction.↓ There is also a way to delete it.http://www.morethantechnical.com/2...
I am trying to import and compile OpenCV tutorial (OpenCV Tutorial 2-Mixed Processing) in Eclipse.Symbol'std'could not be resolved, Symbol'cv'could not be resolved in jni_part.cppIt will be APP_STL sp...
When dividing an image in opencv, to save one image in four parts#-*-coding:utf-8-*-import cv2defmain(): ''' # Cut out the rectangular portion through two points (x1, y1), (x2, y2) clp=img [x1:x2, y1:...
This is the Raspberry Pi screen.pi@raspberrypi:~$cmake-DOPENCV_EXTRA_MODULES_PATH=../opencv_contrib/modules/../opencv/CMake Error: The source directory/home/opencv does not exist.Specify --help for us...
I would like to recognize objects from images taken with my smartphone and estimate the distance from the position taken to the object.Right now, I'm able to recognize objects from the images I took w...
If the number of fingers is recognized and the number of fingers is satisfied, the print is printed in cmd, but the print is duplicated. if (now1-before1).seconds >= 2: cv2.putText(frame, 'hello', ...
I saved the image and Python file in the same placeython 3.5.3 (default, Jan 19 2017, 14:11:04) [GCC 6.3.0 20170124] on linuxType copyright, credits or license() for more information.import numpy as n...
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