Questions - OpenCV Q&A Forum

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

Create 2 channel image - grayscale and alpha

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

Why at() return 3 values for a grayscale image

grayscale

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

Failing to read pixel of grayscale image as float

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

grayscale image pixel-based detect object

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

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

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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

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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

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

How are RGB images converted to greyscale?

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2018-05-05 14:15:21 -0600 pedro_lafuente

VideoCapture with grayscale camera

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

ConnectedComponents-like function for grayscale image

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

How do i convert a Grayscale video to a Tensor?

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

Better character isolation

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2017-03-21 04:30:12 -0600 pvt.peter

Result of CLAHE is different on 8 and 16 bit

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

Different results between imread as grayscale and cvtColor

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

CV_8UC3 returns grayscale

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

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

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

Accessing Pixel Values of RAW 8 image

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2016-04-22 12:03:16 -0600 berak

convert the RGB image to a grayscale representation of its redness

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2016-03-11 22:41:00 -0600 gseif

How to capture in GRAYSCALE directly from source

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2016-01-24 21:33:19 -0600 MartinTarrou

Normalizing Sobel Filter Noise

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2016-01-21 23:30:06 -0600 berak

Memory error accessing grayscale pixel data

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2015-12-22 22:55:30 -0600 Ralph058

Why should an RGB image be converted to grayscale for carrying out deblurring/blur detection?

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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]

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2015-11-26 06:09:26 -0600 valexor89

get few pixels value of grayscale image with android API

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

Camshift Algorithm and Grayscaled Images

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

TonemapDurand on grayscale images segfaults

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

Metal Edge Defect Detection

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2015-03-25 12:56:43 -0600 matman

Convert CV_16UC3 color image to CV_8U grayscale

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

GrayScale Vs YUV comparaison

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2015-03-12 07:56:33 -0600 thdrksdfthmn

51 questions

Create 2 channel image - grayscale and alpha

Why at() return 3 values for a grayscale image

Failing to read pixel of grayscale image as float

grayscale image pixel-based detect object

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

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?

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

How are RGB images converted to greyscale?

VideoCapture with grayscale camera

ConnectedComponents-like function for grayscale image

How do i convert a Grayscale video to a Tensor?

Better character isolation

Result of CLAHE is different on 8 and 16 bit

Different results between imread as grayscale and cvtColor

CV_8UC3 returns grayscale

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

Accessing Pixel Values of RAW 8 image

convert the RGB image to a grayscale representation of its redness

How to capture in GRAYSCALE directly from source

Normalizing Sobel Filter Noise

Memory error accessing grayscale pixel data

Why should an RGB image be converted to grayscale for carrying out deblurring/blur detection?

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

get few pixels value of grayscale image with android API

Camshift Algorithm and Grayscaled Images

TonemapDurand on grayscale images segfaults

Metal Edge Defect Detection

Convert CV_16UC3 color image to CV_8U grayscale

GrayScale Vs YUV comparaison

YUV values in grayscale images

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