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18 questions
Tagged
length
×
10k
views
1
answer
3
votes
2012-08-05 14:24:43 -0600
Adi
focal length and calibration
posit
focal
length
717
views
no
answers
1
vote
2013-03-06 07:47:33 -0600
funwey
fix focal length in calibrateCamera()
calibrateCamera
with
fix
focal
length
value
4k
views
1
answer
no
votes
2013-07-21 17:47:21 -0600
Mathieu Barnachon
Measuring lengths of objects
object
stereocamera
length
calibrate
712
views
no
answers
no
votes
2013-10-10 05:00:39 -0600
wuling
How to easy to get the length of the edge??? [closed]
edges
length
sobel
threshold
3k
views
1
answer
no
votes
2014-10-23 13:07:33 -0600
petititi
does auto focus change focal length or intrinsic parameters?
auto
focus
intrinsic
parameter
focal
length
3k
views
1
answer
1
vote
2015-03-05 04:39:34 -0600
FooBar
calculate focal length using camera calibration
focal
length
calibrateCamera
3k
views
1
answer
1
vote
2015-04-23 06:26:06 -0600
thdrksdfthmn
How to calculate the Hough Transform lenght of the straight line
HT
length
straight
Line
7k
views
1
answer
1
vote
2015-07-30 02:57:15 -0600
thdrksdfthmn
contourArea meaning and arclength
countour
area
and
arch
length
1k
views
1
answer
no
votes
2016-02-29 18:16:30 -0600
theodore
distribution of color in 3d coordinates and diagonal of bounding box
Color
distribution
diagonal
bounding
box
length
13k
views
3
answers
1
vote
2016-03-29 11:25:55 -0600
ayeshas
Camera Calibration : fx and fy
focal
length
fx
fy
1k
views
no
answers
no
votes
2016-03-29 11:26:43 -0600
ayeshas
focal length in pixel from fx and fy
focal
length
265
views
no
answers
no
votes
2016-12-12 07:30:19 -0600
RogerPi
how to find straight rects from a contour
rounded
triangle
corner
length
approxPolyDP
contour
243
views
1
answer
no
votes
2016-12-15 20:11:30 -0600
Tetragramm
Can OpenCV be utilized to take dimensions of a shipping package
Dimensions
android
image
length
width
height
638
views
1
answer
no
votes
2017-06-01 06:52:56 -0600
pklab
Set focal length to infinity
focal
length
infinity
1k
views
2
answers
1
vote
2017-10-18 03:27:43 -0600
MonyChin
Hard to calibrate long focal length lens, result is very poor [closed]
calibrate
long
focal
length
211
views
no
answers
no
votes
2018-05-13 08:08:47 -0600
Raiper34
Count real size of object in photo
opencv
size
length
area
295
views
no
answers
no
votes
2018-07-08 13:44:54 -0600
Kikolo3000
Finding segment length
length
linedetection
linesegments
8k
views
2
answers
no
votes
2020-02-20 00:12:25 -0600
syvlvester
Understanding the camera matrix
camera
matrix
focal
length
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
length
×18
focal
×9
area
×2
calibrate
×2
calibrateCamera
×2
and
×1
android
×1
approxPolyDP
×1
arch
×1
auto
×1
bounding
×1
box
×1
camera
×1
Color
×1
contour
×1
corner
×1
countour
×1
diagonal
×1
Dimensions
×1
distribution
×1
edges
×1
fix
×1
focus
×1
fx
×1
fy
×1
height
×1
HT
×1
image
×1
intrinsic
×1
Line
×1
linedetection
×1
linesegments
×1
long
×1
matrix
×1
object
×1
opencv
×1
parameter
×1
posit
×1
rounded
×1
size
×1
sobel
×1
stereocamera
×1
straight
×1
threshold
×1
triangle
×1
value
×1
width
×1
with
×1
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