Questions - OpenCV Q&A Forum

816

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1

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3

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2012-09-14 03:17:39 -0600 dagi

BRISK Feature Detector detects no keypoints

572

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1

answer

no

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2013-08-29 13:48:47 -0600 berak

DrawMatches img2 shows up blank in outImg.

732

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no

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4

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2013-09-02 11:44:18 -0600 berak

What does function evaluateFeatureDetector do ?

1k

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no

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no

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2013-09-10 08:30:01 -0600 abrykt

Surf and masks

1k

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no

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no

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2013-09-16 03:49:15 -0600 nhatphongtran

Keypoint Matching very sensitive to distortion/transformations

1k

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1

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no

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2013-10-17 21:36:15 -0600 martinRosevear

MSER detection error: detected region not extremal

429

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no

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1

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2013-11-15 04:36:57 -0600 viratan

Training Kd tree for object detection android

4k

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3

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1

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2014-01-07 19:37:23 -0600 jm

Symbol detection/classification

265

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no

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no

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2014-01-10 05:31:30 -0600 JAyThaRevo

Find new object in a scene [closed]

854

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no

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no

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2014-02-05 14:21:39 -0600 jceceniceros

Train KNN classifier with several samples OpenCV Python

3k

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no

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no

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2014-02-05 14:22:31 -0600 matt venn

robustly finding a region in a photo using fiducial

8k

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1

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no

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2014-02-12 08:22:43 -0600 TonySJH

How to compare two image and need result in percentage wise?

334

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1

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1

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2014-02-20 11:44:46 -0600 Will Stewart

How to detect a fallen person with a camera image?

501

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no

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no

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2014-02-25 06:08:47 -0600 CurlyB

OpenCV SURFDetector Range of minHessian

1k

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1

answer

1

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2014-03-01 08:14:06 -0600 Guanta

Question about Bag of Words, detectors, and such

4k

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1

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4

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2014-03-12 00:10:06 -0600 pats

Alternatives for SIFT, ORB and FAST

853

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1

answer

1

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2014-04-08 07:19:16 -0600 Kevin B.

What's the best feature matcher for pairs of very similar images?

152

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no

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no

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2014-04-29 01:27:09 -0600 jpl

The right parameters setting to test feature detectors

1k

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no

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no

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2014-05-02 06:58:46 -0600 jpl

Brute force matcher vs knn+RANSAC, which is better?

958

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no

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2

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2014-05-04 03:34:38 -0600 rednaks

ORB not detecting any keypoint [closed]

15k

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1

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2

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2014-06-30 09:30:08 -0600 StevenPuttemans

How to detect individual body parts in an image

761

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2

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no

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2014-07-08 06:09:01 -0600 jamesnzt

Extract one object from set of objects

3k

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1

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no

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2014-09-18 01:30:23 -0600 Messina Vision Systems

Extracting features with unclean canny detection

911

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2

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no

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2014-10-28 04:28:52 -0600 thdrksdfthmn

Circular Region of Interest before thresholding

452

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1

answer

1

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2014-10-29 15:57:37 -0600 petititi

Categorizing lines on a shirt

318

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no

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5

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2014-11-25 03:32:30 -0600 PhilLab

Removal of BRIEF from main repository [closed]

2k

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1

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no

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2015-01-05 04:23:09 -0600 berak

Is there a create for features in OpenCV 3?

838

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1

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no

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2015-01-13 16:21:15 -0600 Vit

Align 2 photos of text

752

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1

answer

-1

votes

2015-01-22 12:28:04 -0600 talkera.org

I need to implement face detection and feature extraction of face on a web application using java or php

819

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1

answer

no

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2015-02-03 03:49:42 -0600 colin747

160 questions

BRISK Feature Detector detects no keypoints

DrawMatches img2 shows up blank in outImg.

What does function evaluateFeatureDetector do ?

Surf and masks

Keypoint Matching very sensitive to distortion/transformations

MSER detection error: detected region not extremal

Training Kd tree for object detection android

Symbol detection/classification

Find new object in a scene [closed]

Train KNN classifier with several samples OpenCV Python

robustly finding a region in a photo using fiducial

How to compare two image and need result in percentage wise?

How to detect a fallen person with a camera image?

OpenCV SURFDetector Range of minHessian

Question about Bag of Words, detectors, and such

Alternatives for SIFT, ORB and FAST

What's the best feature matcher for pairs of very similar images?

The right parameters setting to test feature detectors

Brute force matcher vs knn+RANSAC, which is better?

ORB not detecting any keypoint [closed]

How to detect individual body parts in an image

Extract one object from set of objects

Extracting features with unclean canny detection

Circular Region of Interest before thresholding

Categorizing lines on a shirt

Removal of BRIEF from main repository [closed]

Is there a create for features in OpenCV 3?

Align 2 photos of text

I need to implement face detection and feature extraction of face on a web application using java or php

Best images for ORB feature point tracking

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