Questions - OpenCV Q&A Forum

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2016-07-20 21:45:05 -0600 juanp_rojas

Face Detection example how to run in android 64 bits

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2016-08-29 10:20:58 -0600 che1404

Process image coming from a OpenGL rendering context

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2016-09-13 23:24:43 -0600 scholar

textdetection sample producing errors

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2016-09-08 09:40:05 -0600 livelock

How to detect and recognize traffic light road lined with trees

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2016-09-12 01:43:54 -0600 scholar

OpenCV Error: Bad argument (Default classifier file not found!) [closed]

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2016-09-21 06:08:43 -0600 TheMarcus

Opencv detect ellipse around text

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2016-10-01 09:09:06 -0600 WIN

Please How can i compare finger prints [closed]

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2016-10-04 10:42:07 -0600 Guyygarty

detect all range colors on image

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2016-10-17 03:30:42 -0600 b2meer

Best approach for Grass Detection ?

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2016-10-12 08:38:25 -0600 congliu

text module build failed

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2016-10-23 09:52:34 -0600 Tetragramm

Simple augmented reality using opencv

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2016-11-05 11:18:11 -0600 Prototype

I have an image which has black and another color. How do I check if it is within range and print the color?

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2016-11-06 18:12:03 -0600 Tetragramm

color detection of an image in opencv using c++

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2016-11-14 05:15:06 -0600 berak

Opencv color ranges for hsv

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2016-11-20 10:09:36 -0600 mesutpiskin

To distinguish a false face from the real face

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2016-11-25 04:53:33 -0600 Prototype

How do I threshhold a range of pixels of an image using python?

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2016-11-28 11:27:42 -0600 malinowydyplom

How to place id's to multiple same-coloured markers

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2016-12-06 04:38:41 -0600 dmalkr

Specular highlights position

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2016-12-25 05:37:11 -0600 berak

Demo Failure : Cannot detect face .Why?

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2017-01-05 04:52:25 -0600 abhijith

Why does the foreground image from background subtraction look transparent?

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2017-01-08 20:53:12 -0600 wes.y.w.

DescriptorMatcher reports good matches even when object is not in the scene

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2017-01-12 23:53:54 -0600 stan123

Problems with feature detection and Homography [closed]

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2017-01-24 01:20:11 -0600 hoang anh tuan

How to detect this object?

detection

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2017-02-06 00:53:13 -0600 Akhilesh

Training data for cup detection

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2017-02-15 05:00:49 -0600 kbarni

i have this Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor [closed]

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2017-03-13 21:20:41 -0600 lqj1990

program will stuck when using detectMultiScale

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2017-02-18 09:59:13 -0600 glukoz

Is HOG detection on infrared security recording of poor quality possible? [closed]

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2017-02-28 02:23:22 -0600 Crazor

Recognizing and locating object from a bunch of Hough lines

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2017-03-06 05:15:38 -0600 Libot

Detect edges of books using identifiers

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2017-04-07 23:36:26 -0600 berak

419 questions

Face Detection example how to run in android 64 bits

Process image coming from a OpenGL rendering context

textdetection sample producing errors

How to detect and recognize traffic light road lined with trees

OpenCV Error: Bad argument (Default classifier file not found!) [closed]

Opencv detect ellipse around text

Please How can i compare finger prints [closed]

detect all range colors on image

Best approach for Grass Detection ?

text module build failed

Simple augmented reality using opencv

I have an image which has black and another color. How do I check if it is within range and print the color?

color detection of an image in opencv using c++

Opencv color ranges for hsv

To distinguish a false face from the real face

How do I threshhold a range of pixels of an image using python?

How to place id's to multiple same-coloured markers

Specular highlights position

Demo Failure : Cannot detect face .Why?

Why does the foreground image from background subtraction look transparent?

DescriptorMatcher reports good matches even when object is not in the scene

Problems with feature detection and Homography [closed]

How to detect this object?

Training data for cup detection

i have this Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor [closed]

program will stuck when using detectMultiScale

Is HOG detection on infrared security recording of poor quality possible? [closed]

Recognizing and locating object from a bunch of Hough lines

Detect edges of books using identifiers

How to solve this error ?error: ..\..\..\..\opencv\modules\imgproc\src\color.cpp:3739: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

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