Subscriber Discussion

What Is The Difference Between 180 And 360 Degree Fisheye Cameras?

U
Undisclosed #1
Aug 18, 2021

Please help. How are they different?

UM
Undisclosed Manufacturer #2
Aug 18, 2021

***** ** ** *** ******** ******. A ******* ****** ******* ** * wall ***** * *** ****** **** and ******* ***** ***** * ***. It ** **** *** *** ********* is ****.

** *** ****** ******** ** ***** around ** ** *** *******.

(1)
U
Undisclosed #1
Aug 18, 2021

*** **** *** ******** ****** ****** the *******?

UI
Undisclosed Integrator #3
Aug 18, 2021

** ******* **** ** **** ******** vestibules, ******* ***** *** ** ******* a ****. ** *********** **'* * 360 ****** ****** *** *** ** that *** ** ******* ** *** wall. **** ** *** *** ** set ** ** ** ******* **** the ********** *** *** **** ** usable.

U
Undisclosed #1
Aug 18, 2021

*** * ******* ******, ****, **** is *** ***** *** *** * manufacturer ** ******* **? ***? ***? Both? ******* ** *** *****?

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified
Avatar
Ethan Ace
Aug 18, 2021

**** * **** **********, *****'* ****** no **********. *** *** *** *** sort ** **********, *** ****'** *** simplest *** ** ******* ******** ****************** ** ****. ** *** **** at * ************'* *********, **** ******** specify ***** ***** ** **** ** ~180° ********** *** ~***° ********, *.*.:

IPVM Image

*** *** ****** ****** ********** ***** of **** ******* ** *** *** mount **. ** *** ***** * fisheye ** *** *******, ***** *** field ** **** ** *********** ** unobstructed ******, ** ***** ** ** as ***°.

IPVM Image

*** ** *** ***** **** **** camera **** ** *** ****, **** horizontal ******** ******* ***° ******* *** wall **'* ******* ** ********* **. It **** ** ***° ** ***** of **.

IPVM Image

*** **** ***** *** **** **** to * *** ** ****** *** (highlighted ** *** **** ** *** test) ******* ** ******, *** **** will ** ********* * *** ** sky ** *******. **** ************* **** mounts ** **** ** **** ** avoid ****.

***** ******* *********** **** **** *****, ***** ********* output * ******** ****** **** *** camera ******* ** * ****** ******* image, ******** ***** *** ** *** minority.

*** ****** ** *** ***** *** to ******* ** ** ** ** pretty ******: **** ** *** ** it *** ******* ***** ** **** mount, *** **** **** ** *** if **'* **** ***** ****.

(2)
JH
John Honovich
Aug 18, 2021
IPVM

*** **** ***** ****** *** ***** of **** ** *** ******? ***'* say * ***** *** ****** ***** in ***** ** * ***** ****. Is *** *** *** ****?

**********, * ******* **** ********** *** am ***** ******** ***** *** ******** impacts *** *** ** *** ****** itself.

(1)
Avatar
Ethan Ace
Aug 18, 2021

** *** ***** *** ****** ***** directly ** * ***** **** *" away, *** *** ** ***** ***°. Just ******* *****'* ** *********** *****'* mean *** *** *******. ** *** mount * ****** **** * **° lens ******** ** ***** ** * brick ****, **'* ***** **°.

** ****** *** *****, *** ** referenced ** *** ********** *****, *.*., a ***** ******** ** *** ******. So ** *** *** * *** up, ******* ****, *** ***** ** view ** * ******, ** *** angle ** **** ** ***. ** you *** *** **, ******* ** a ****, ******* ***, *** ***** of **** ** * **********, ** its ***** ** **** ** ***.

U
Undisclosed #1
Aug 18, 2021

** ****** *** *****, *** ** referenced ** *** ********** *****, *.*., a ***** ******** ** *** ******.

****'* *** **** *********** *'** *****. We ***** **** ** ****** *** how ** **** ** ** *** calculator (****** ** **** ***** **** camera ** *** / *** **?

*** ** ****** ****** ********** ********* ****** *****, **'* *** * ***** ***.

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

** ***** **** ** ****** *** how ** **** ** ** *** calculator (****** ** **** ***** **** camera ** *** / *** **?

* ***** *** **** ** ****** but ** **** **** *** *** degree *********. ********* *** **** **** to ******* *** ****** **** **** angle ** *** ****/******* *** ********* intermediate ******, *** **** **** *********** the ******* ** ******** ** * frame:

**** ***** ** *** *** ** a ** ****** **** ******* ********* at ****** ***** ** * ******** stadium?

Avatar
Ethan Ace
Aug 18, 2021

**** ***** ** *** *** ** a ** ****** **** ******* ********* at ****** ***** ** * ******** stadium?

*** *** ***** ** **** *** half-obscured, *** ************* ***** ** ********* ***** ** ***°. **'* ***** a **********.

Avatar
Ethan Ace
Aug 18, 2021

**** ***** ** *** *** ** a ** ****** **** ******* ********* at ****** ***** ** * ******** stadium?

**** **'** *** ******* ***** ****** theoretically ******** ******* ******* *********** ** mount **** * *' ***. **'** concerned ***** *** ** ************* ******* this *** ****** ************ ****.

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

**** ******, *** ********************* ******* ** ****** ** ******* 0 *** **, ***** ******* *** apparent *** ******/****-******.

*** **** ** ******** *****?

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

****'* *** **** *********** *'** *****.

****’* **** *** *** ** *** anonymously *********** #*, *** *** ** know *** **** ** * ******** Fish-eye **** **********…

;) *** **

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

** ** *** *** * *** up, ******* ****, *** ***** ** view ** * ******, ** *** angle ** **** ** ***.

*** **** ** **** **** *** camera, ** **** ** *** ****** is *** ****** ** ******* *** entire ***** ****** (**** ** **********).

(1)
Avatar
Ethan Ace
Aug 18, 2021

**** *** ****'* *** * ****** use ****. * ***** ****** ******** the ***** ****** ** * ***-******* lens ** **** *** ********* ****'* done *****, ** ** ***.

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

**’* **** ********* **. ****’* * manufacturer, ****** ** ******, **** *********** itself ** *** **** ****:

IPVM Image

(2)
Avatar
Lynn Harold
Aug 18, 2021

*** **** ******* ******, *** *** a ***-****** **** ** ******* ******* a **** (****** ***), *** * 360-degree **** ** ******* **** *** ceiling (****** ****).

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

**, *** *** ***, ** ******.

** *** **** ******* *** *** could *** **** *** ** *** drop ******* ***** *** ******.

(2)
(2)
JH
John Honovich
Aug 18, 2021
IPVM

IPVM Image

** * ********* *****, ** *** trying ** ****** *** *** ** label / ****** **** ** *** Calculator ******* ***** ** ***** ******* complains "*** *** **** *** *** it's ******** ***" ** **** *****.

Avatar
Lynn Harold
Aug 18, 2021

*** *** ******** **** "***" ** spherical **** **** *******. *** **** to ***** ** ** - **'* 360-degrees ** * ********** *****.

(2)
JH
John Honovich
Aug 18, 2021
IPVM

** **** ***** **, ** **** logic, *** ******* ** * ******** plane, ***/**?

U
Undisclosed #8
Aug 18, 2021

***. *** ************* ****** *** *** degrees ** ****** *** **** *** mounted. * ******* *** *** ****** short **** ** **** ***** ******** up *** ****** ***** ** *** you ***** *****-****** *******. ********* ***** are **** *******.*

** ** ***** ** * ***** cropping ***** ** *** ******. *'** never **** **** *** ******* ***** do ** *** * **** ***** saw **.

U
Undisclosed #8
Aug 18, 2021

******* ****** ******* ***********. *** * spherical *********** ***'* *** ********** ** solid ******. *** ****** *** ***** angles ** Ω. *** ****** *** steradians ** **. ** **** *** see **** ******* *** **** ***'** looking *** ** *****. *** ******* for * ****** *********** ** ********* the ***** ** **** ** * circle. **** **** *** **** **** regular ******* **** * ** ***** the **** ** ********* **** *** degrees.

**** ** *** ** ***** *** things **** ******** **** ***** ** students ** **** **** **** ********* math ** ******* *********.

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

*** ******* ** **** ** ** imitator, ******* **** ******** *** **** 270 ****** *******:

IPVM Image

********* *** ********* *** ********** **

FOV = (****** *** * *) - ****** ***

***** *** ** ******* ***** *** is ******* ******:

IPVM Image

(1)
UI
Undisclosed Integrator #5
Aug 18, 2021

**** *********'* *** ****** ******* *******, you *** *** **** ** ** various **** ** ******* ******** ***** requirements. **** *** *** **** ** the ******** ********* ***** ** **** they **** *** ** * *** degree ******** *** ********* * ***** image. *** *** **** *** ** up ** * *** ****** *** which *********** ***** *** *** *** and ****** ** *** *****, *** dewarps ** **** * **:* *********** image.

*** ****** ** ********* **** ** a **** ******* *********** *** *** advantage ***** *** *** *** ******* drive ***** ********* *** *** *** ground. *** ** ********* * *** of ****** ****** **** ****'* ********* something *** ****'* *** ********** ** having * ***-****** ********.

** ****** ****** ** ***** **** fisheyes *** ********* **** **** ** a*****************. **** **** * **** ****** you're ********* ***** ****** **** ** much ***** **** **** *** **** ten **** **** *** ****** ** fairly ***. ******** ***** **** ******* always ******* ******, **** ****** ******, however ***** *** ******* ************ ***** fisheyes *** * **** ********.

UI
Undisclosed Integrator #6
Aug 18, 2021

* **** *** ********** ** ***** 180 *******.

(2)
JH
John Honovich
Aug 18, 2021
IPVM

(1)
U
Undisclosed #7
Aug 18, 2021

** *** **** * **** ******* 180 ****** ****** **** *** *** same ********** ** * **** ******* 360 ****** ******, *** ******* ******* of *** *** **** **** **** the *** ** *** ******** ** the ***** ** *** ***, **?

(1)
JH
John Honovich
Aug 18, 2021
IPVM

** **** * ******? *** *** remains *** ****, *** ***** ** change, *** **** *** *** ********? The ****** *** *** ** **** put *** ***, ** *** ***** distance **** *** ******, ****** ** the **** **?

U
Undisclosed #7
Aug 18, 2021

*** = ********** ****** / **** no?

** * ***, ******* *** **** be ***** **** ** * ***?

**** ******* *** **** ****** **** of *** **** ******* **************, ** *****'* ****** *** **************** - ***** ****** ** ****** the ***.

** * *****?

JH
John Honovich
Aug 18, 2021
IPVM

** * ***, ******* *** **** be ***** **** ** * ***?

** ***** ** **** ******* *** call ** *** ** ***, **'* the **** ******** ****, **** *** same ***.

U
Undisclosed #7
Aug 18, 2021

*** **** *** *** **** ** concentrate *** *** ***** ****** ****only *** ******* ******* of it's entire 360 FoV when mounted on a wall?

** ** ***'*, **** *** ******* area ** **** ***** **** *** total ****** ** *** ******** **** - ****, **** *** *** - since *** *** ** ********** *** ***** ****** ** *** visible ****.

Avatar
Sean Patton
Aug 19, 2021

******* **** ** ****** ******* ** think *****, ** ******** **** ******* the **** **** ***/*** **** *** change ***, ****:* ******* ********* ** *:** "********" mode.

IPVM Image

*** *** **** *** ****** **** you ****** *** ****** *** ****** ratio. ** **** ****, ** ******** 66PPF ** **** ******:

IPVM Image

*********, * ******* *** **** *** change ***** ****-******* ** *******-*******.

U
Undisclosed #4
Aug 19, 2021
IPVMU Certified

** **** ****, ** ******** ***** in **** ******:

* ****’* ******* *** ******** *** to**********. * **** ******* ** *** math ***** ** *** ***** ** the ***** *** ***** ** *** sensor.

*** *** **** *** ****** **** you ****** *** ****** *** ****** ratio.

*****. * ****** **** ***** ****** with * **** (** *****!) ******, since *** ****** *** *** ******* square, *** **********…

(1)
JH
John Honovich
Aug 19, 2021
IPVM

**** ***** ****** **** * **** (or *****!) ******, ***** *** ****** are *** ******* ******, *** **********…

*** ****** **** ** ** **** there???

U
Undisclosed #4
Aug 19, 2021
IPVMU Certified

*** ****** **** ** ** **** there???

***, *’* *** ***** ***** ***** question ***** :)

***, *** *****, **** *** * much *****, *** **** ******** ***** to *** ****** ******* ******.

U
Undisclosed #7
Aug 19, 2021

** ******* ** **** *******, ******** the ****** ***** *****'* ****** *** fixed ****** ** *** ******* ****, so *** *** ******** ** *** same, ******* **:* ** *:**.

** ************* ****** ******* **** * 360 ******* ** * **** ** only ***** **** **'* ***** ****** in *** ******* **** - **** the ***** **** '******' ** *** wall (*** ***** *** ******* ** the *** *** ***** ***** ** the ******* *****).

****, ** *** *** *** ***** the **** - **** **** **** in *** ******* **** - *** PPF ** *** ******* **** ****** be **** **** ** ** *********-********** 180 (***** *** *** **'* ****** in *** ******* ****).

**** ** ******** *****, *** **** mounted ** * **** *** ******** (automatically ** ********) *** ******** ***'* 'waste' **** ***** ****** ** *** 'dark ****' ** *** ***. [*** UD1 **** ***** ****]

* **** ***'* **** ** ****'* what ******* ** ***... *** ** math ** *******.

****, * **** **** *** **** ergo ******* **** **** ** *****... ; )

U
Undisclosed #4
Aug 18, 2021
IPVMU Certified

** ******** ********* ** ***** *** similar ********* ********* **** *********** ** 2014 - ***** ***** **** ***?

*** ****** ****** - ** ********

JH
John Honovich
Aug 18, 2021
IPVM

***, ** ********, ** **** **** 360, **** ******** ***** **** ******* it *** **** ******* ******* ******* camera.

U
Undisclosed #4
Aug 19, 2021
IPVMU Certified

***’* **** **** **********:

IPVM Image

**** ***** ****?

(1)
Avatar
Kestutis Nagys
Aug 19, 2021

** *********** ************* *** ****** ****** must *** ******* ** *** ******** space ********** (****** ** ****), ** I ***** *** *** ****** ****** fisheye ******* **** *** ******* *** no ****** *** **** *** *********. 360 ****** ****** ******* ***** ** a ****** **** ** ****** *** Street ****.

(2)
(1)
U
Undisclosed #8
Aug 19, 2021

**** ***'* ****. ***'** ********* ******* and *******. **** ** ********* ******* will *** ******-*** ****** ********. *** reason *** **** ** **** ****** spatially *** **** ******** ** ******* around ****. ** ** **** ** works. *** ** *** **** ***, that ***'* *** ****** ** ***** to ** ******* ***** ** **.

** **** *** ******'* *** ******* to ******** * ******. ***'* *** steradians ** ***** ******. *** ****** for **** ** **** ******* *** for ********** * ** *****. ***** is *** ** ***'* ******* ****** angles ** ********** ** ***** ******. Because ***** ** * ** *******.

************* ****** ******* * ******** *****. Circles **** *** *******. ** *** described *** **** ***** ** **** of * ****** ** ******* ******* you **** ****, *** ****** ** much, **** ******. ** *** ***** of *** ******* ** **.

Avatar
Kestutis Nagys
Aug 20, 2021

"******* ***** ** * ** *******"

****, *** ** ** ***** **** 3D ***** :) ******** ** ******* *********** ** ****** ***** (***********), ** for ****** ************* ** *** ********** (azimuthal) ***** ** **** *** ******** (polar) ***** ** ****. ** **** analogy *** *** *** ***** ******* which ** **** ** ***** (**) surface ** ***** ***** ***** (*****) has ******** (−**° ≤φ≤ **°, ***° ** *****) *** ********* (−***° ≤λ≤ ***°, ***° ** *****). ** ** ** **** ******* our ******* ** *********** ***** ** map, **'* ********** **** ** ********* by ********* ********** *** ******** - by ******** **********, ******* **** ** horizontal **** *****°** **** ***** *** ***** *******.

Avatar
Kestutis Nagys
Aug 20, 2021

* ***** **** ** ******* ** wrong ********* ***** ** ***** ******** AoV ** ********. ******* ********* ***** is ****** ** ****** ****** (******** is "****** ******"), ** ** **** case ******* *** *****°(********** *** ********) ** *** *************.***°*** ***** ** ******** **** "******* observer" *** ****** ** ***** ** center ** ****** ****, ** *********** it ** ************.

JH
John Honovich
Aug 19, 2021
IPVM
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