Questions - OpenCV Q&A Forum

793

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2015-09-13 01:28:50 -0600 berak

compare Mat element-wise

1k

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no

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2015-09-10 09:27:06 -0600 sarjoondeen

memory management of Mat

1k

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1

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no

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2015-08-12 18:06:14 -0600 Yolteotl

imread returns empty mat in examples

711

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1

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2015-08-07 04:59:39 -0600 ragav

Possible memory leak cause - Videocapture ??

95

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1

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2015-07-23 07:52:27 -0600 Valera

PCA with big matrices

PCA
Mat

3k

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no

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6

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2015-07-14 05:00:54 -0600 mkc

Is there a reason why OpenCV does not support (CV_32U) 32 bit depth unsigned integer Mat?

2k

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1

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no

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2015-07-08 07:18:45 -0600 FooBar

find the differences between two images pixel I want to show on the screen with imshow method How can I do

2k

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1

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no

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2015-07-05 19:06:36 -0600 OrkunK

cv::Mat float values and unsigned int values showing differentials

8k

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1

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2

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2016-01-25 16:39:53 -0600 Amro_

Changing Mat dimensions inplace

413

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2

answers

1

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2015-06-25 00:20:14 -0600 Karthikeyan

Increase the number of rows for a Mat without touching original data

257

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no

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2015-06-10 10:01:12 -0600 fl1p234

Writing Mat to FileStorage: is there a way to format the output?

332

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1

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2015-06-10 05:47:05 -0600 sneap

Training models for LSVM detector [closed]

2k

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1

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no

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2015-06-01 17:47:01 -0600 theodore

cv::Mat element matrix multiplication

Mat
scalar

1k

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2015-05-26 00:31:58 -0600 我干过豪哥

The problem about the global variable of vector<cv::Mat> and temporary cv::Mat variable

40k

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1

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no

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2015-05-25 00:53:29 -0600 tomnjerry

How to get the bit-depth of an image?

443

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1

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no

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2015-05-05 16:43:36 -0600 SR

[C++] Efficient element-by-element pixel access?

1k

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1

answer

1

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2015-05-01 05:32:57 -0600 berak

goodFeaturesToTrack returns 2 channel image and can't be imshowed

168

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2015-04-30 09:23:32 -0600 AllanGH

Construct a Mat of pointers to a Mat

500

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1

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1

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2015-05-24 14:01:48 -0600 sturkmen

Decreasing ROI

2k

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3

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no

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2015-04-28 05:49:39 -0600 essamzaky

IplImage convertion to Mat

3k

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2

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no

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2015-04-27 02:24:01 -0600 thdrksdfthmn

Adding information in the Mat

1k

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1

answer

1

vote

2015-04-17 08:36:50 -0600 Pedro Batista

Changing value in the mat

Mat
values

937

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no

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no

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2015-04-15 07:42:29 -0600 Jacobe2169

Memory Leak Problem Quadtree OpenCv

3k

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1

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no

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2015-04-15 06:44:29 -0600 thdrksdfthmn

Convert String to Mat

373

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1

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no

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2015-04-14 03:58:28 -0600 Guanta

Position of a Roi in a mat

roi
Mat

654

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1

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no

votes

2015-04-10 06:22:26 -0600 berak

Mat Syntax

Mat
CV_32S

240

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1

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no

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2015-04-07 13:13:28 -0600 MalcolmMaya

iterate through a matrice, int to uchar problem

1k

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1

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no

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2015-04-06 20:41:08 -0600 Will Stewart

How to scale up small image (submat) to HoG winSize in Java

1k

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1

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4

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2015-04-03 18:01:12 -0600 Guanta

Why some basic operations with cv::Mat with number of channels > 4 do not work ?

383

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no

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no

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2015-03-30 03:20:35 -0600 razvan

467 questions

compare Mat element-wise

memory management of Mat

imread returns empty mat in examples

Possible memory leak cause - Videocapture ??

PCA with big matrices

Is there a reason why OpenCV does not support (CV_32U) 32 bit depth unsigned integer Mat?

find the differences between two images pixel I want to show on the screen with imshow method How can I do

cv::Mat float values and unsigned int values showing differentials

Changing Mat dimensions inplace

Increase the number of rows for a Mat without touching original data

Writing Mat to FileStorage: is there a way to format the output?

Training models for LSVM detector [closed]

cv::Mat element matrix multiplication

The problem about the global variable of vector<cv::Mat> and temporary cv::Mat variable

How to get the bit-depth of an image?

[C++] Efficient element-by-element pixel access?

goodFeaturesToTrack returns 2 channel image and can't be imshowed

Construct a Mat of pointers to a Mat

Decreasing ROI

IplImage convertion to Mat

Adding information in the Mat

Changing value in the mat

Memory Leak Problem Quadtree OpenCv

Convert String to Mat

Position of a Roi in a mat

Mat Syntax

iterate through a matrice, int to uchar problem

How to scale up small image (submat) to HoG winSize in Java

Why some basic operations with cv::Mat with number of channels > 4 do not work ?

Declare float/double mat in java

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