Questions - OpenCV Q&A Forum

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2014-01-13 01:03:11 -0600 Moster

How to use Surf to detect features in android application?

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2014-03-01 14:53:40 -0600 Rui Marques

Save ORB features to database

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2014-03-28 20:11:34 -0600 Moster

Inaccurate feature matching

949

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2014-10-21 04:24:10 -0600 StevenPuttemans

Keypoint and descriptor ordering - C++ vs Android

3k

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2015-02-16 03:36:33 -0600 Nawara

SURF & SIFT feature detector and descriptor on OpenCV android

9k

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2015-02-24 04:55:49 -0600 alaa

Using SIFT/SURF for feature extraction using opencv on android in Android Studio

144

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2015-11-20 04:01:11 -0600 berak

Read keyfeatures on Android without saving image file

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2018-02-10 10:57:55 -0600 Wasim Reza

Bicycle detection with opencv library in android

874

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2018-09-24 08:05:28 -0600 berak

Problem when training SVM with ORB descriptors (Android)

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2013-11-24 11:23:04 -0600 tobix10

Choosing neighbours, window, matrix size in GLCM

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2016-11-10 03:08:42 -0600 antdroid

YUV420888 to Grayscale Image (cvtColor ENUM) [closed]

YUV
cvtColor

227

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2014-08-22 13:56:43 -0600 valder

calcOpticalFlowPyrLK never returns in Java call

opticalflow

271

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2018-03-09 11:29:29 -0600 sgrossberndt

Need help optimizing training setup to detect all german traffic signs

opencv_traincascade

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2015-04-05 11:07:27 -0600 nicolausYes

Detect type of document in a real-time

353

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2018-06-08 13:32:53 -0600 berak

Android HOGDescriptor return a 0x1 descriptor array

339

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2015-01-15 10:51:21 -0600 Willis

How to determine time to collision

android

541

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2015-07-02 02:12:52 -0600 beniroquai

Possbile to align two Images ('nonlinear' warp) with OpticalFlow-Information? Super-Resolution Inline Hologram reconstruction

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2016-12-09 06:57:13 -0600 Der Luftmensch

How to remove false matches in brute force matcher?

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2016-06-29 03:22:43 -0600 masehitam

How I detect marker using OpenCV for android

522

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2014-05-30 21:06:19 -0600 Darren

HOGDescriptor returning wrong result in static image [closed]

168

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2016-05-17 03:12:02 -0600 rezaghoddoosian

Detection Parameters in OpenCV 4 Android

380

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2013-02-11 03:06:32 -0600 muthu

FLANN match

flann
match

122

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2019-11-06 03:13:01 -0600 lolitsgab

Grabcut outputs only what was marked as GC_FGD

801

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2016-02-26 04:26:34 -0600 panc

Using SIFT/SURF obj. detection with Android

469

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2015-10-20 13:12:10 -0600 berak

Problems with traincascade

2k

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2016-12-13 23:56:39 -0600 akshika47

Best method to recognize currency notes [closed]

367

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2018-12-29 12:56:07 -0600 ONIGIRI

What is a good way to recognize an object from two different images in android system? [closed]

385

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2015-11-15 21:27:53 -0600 Bob W

Feature Detection Use Cases

feature-detection

114

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2016-08-13 04:08:52 -0600 Mustansar Saeed

Eye detection and recognition

323

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no

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1

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2016-03-21 13:11:02 -0600 Teju1106

How to store images in SQlite database with opencv java ?

signature-detection

259 questions

How to use Surf to detect features in android application?

Save ORB features to database

Inaccurate feature matching

Keypoint and descriptor ordering - C++ vs Android

SURF & SIFT feature detector and descriptor on OpenCV android

Using SIFT/SURF for feature extraction using opencv on android in Android Studio

Read keyfeatures on Android without saving image file

Bicycle detection with opencv library in android

Problem when training SVM with ORB descriptors (Android)

Choosing neighbours, window, matrix size in GLCM

YUV420888 to Grayscale Image (cvtColor ENUM) [closed]

calcOpticalFlowPyrLK never returns in Java call

Need help optimizing training setup to detect all german traffic signs

Detect type of document in a real-time

Android HOGDescriptor return a 0x1 descriptor array

How to determine time to collision

Possbile to align two Images ('nonlinear' warp) with OpticalFlow-Information? Super-Resolution Inline Hologram reconstruction

How to remove false matches in brute force matcher?

How I detect marker using OpenCV for android

HOGDescriptor returning wrong result in static image [closed]

Detection Parameters in OpenCV 4 Android

FLANN match

Grabcut outputs only what was marked as GC_FGD

Using SIFT/SURF obj. detection with Android

Problems with traincascade

Best method to recognize currency notes [closed]

What is a good way to recognize an object from two different images in android system? [closed]

Feature Detection Use Cases

Eye detection and recognition

How to store images in SQlite database with opencv java ?

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