Questions - OpenCV Q&A Forum

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1

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no

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2016-08-29 10:08:36 -0600 berak

CV_8UC3 returns grayscale

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1

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-1

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2017-07-13 05:11:52 -0600 alkasm

How do i convert a Grayscale video to a Tensor?

269

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no

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2018-07-30 22:45:44 -0600 Stéphane Charette

How are RGB images converted to greyscale?

453

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1

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2018-08-14 10:51:49 -0600 berak

Is it possible to create a BGR image from predefined 3 (1-channel) image

519

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1

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no

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2018-11-21 23:38:14 -0600 berak

why load an image with input 0 gives a different result that converting the same image with input 1 to grey scale with opencv crtcolor method?

grayscale

599

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1

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no

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2019-04-27 15:23:55 -0600 Tetragramm

Why at() return 3 values for a grayscale image

grayscale

404

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no

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1

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2015-02-24 21:09:14 -0600 nob_forward

Grayscale image instead of RGB image [closed]

713

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no

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2015-03-19 03:51:51 -0600 begueradj

GrayScale Vs YUV comparaison

485

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no

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2015-04-08 13:23:10 -0600 vg

Metal Edge Defect Detection

223

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no

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2015-05-05 11:56:05 -0600 lwi

TonemapDurand on grayscale images segfaults

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no

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2015-05-11 02:53:05 -0600 karmaDet

Camshift Algorithm and Grayscaled Images

435

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no

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2015-12-16 11:22:37 -0600 opencvlover

How to convert detected mouth region in gray-scale and binary in android ? [closed]

282

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no

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2016-05-18 13:51:54 -0600 alinouriz

Accessing Pixel Values of RAW 8 image

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no

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1

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2016-06-09 07:58:10 -0600 pmh4514

[SOLVED] putText - result is always black text [closed]

2k

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1

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2016-09-30 15:27:54 -0600 simbaforrest

Different results between imread as grayscale and cvtColor

362

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no

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1

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2017-07-02 06:00:41 -0600 Cole

Better character isolation

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no

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3

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2018-04-16 04:41:37 -0600 theaniolad

ConnectedComponents-like function for grayscale image

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no

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no

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2019-01-29 15:58:05 -0600 wildwolf13

Open CV Error: Assertion failed (scn ==2 && depth == CV_8U) in cvtColor

271

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no

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2019-02-21 05:29:37 -0600 berak

grayscale image pixel-based detect object

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no

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no

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2019-04-13 10:09:14 -0600 A85

Failing to read pixel of grayscale image as float

5k

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no

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1

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2020-02-24 21:58:55 -0600 charlie

51 questions

CV_8UC3 returns grayscale

How do i convert a Grayscale video to a Tensor?

How are RGB images converted to greyscale?

Is it possible to create a BGR image from predefined 3 (1-channel) image

why load an image with input 0 gives a different result that converting the same image with input 1 to grey scale with opencv crtcolor method?

Why at() return 3 values for a grayscale image

Grayscale image instead of RGB image [closed]

GrayScale Vs YUV comparaison

Metal Edge Defect Detection

TonemapDurand on grayscale images segfaults

Camshift Algorithm and Grayscaled Images

How to convert detected mouth region in gray-scale and binary in android ? [closed]

Accessing Pixel Values of RAW 8 image

[SOLVED] putText - result is always black text [closed]

Different results between imread as grayscale and cvtColor

Better character isolation

ConnectedComponents-like function for grayscale image

Open CV Error: Assertion failed (scn ==2 && depth == CV_8U) in cvtColor

grayscale image pixel-based detect object

Failing to read pixel of grayscale image as float

Create 2 channel image - grayscale and alpha

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