Fisheye correction setting

When fisheye correction is enabled, fisheye correction settings can be made for the target camera. The fisheye correction settings will be reflected in LIVE mode.

NOTE

The images are from an integrated video management system, but the operating procedure is the same.

  1. On the target camera, click the icon and then click Fisheye Correction Settings.
  2. From the Settings screen, make correction settings and display settings. Once you have made the settings for each, click “Save” at the end to apply the settings.

Correction setting #

Sets fisheye correction ON/OFF.
ON : Fisheye correction is enabled and the fisheye corrected image is displayed in the camera detail page.
OFF: If fisheye correction is not used, set the toggle to OFF.

To auto-detect the location, click Auto-detect.

To set the position manually, set the respective value.
Radius :Adjust the distance from the center to resize the circle
Center X : Change the coordinate X to be the center and adjust the position of the circle to the left or right.
Center Y : Change the coordinate Y to be the center and adjust the circle position up or down.
Ellipticity: Use the slider to adjust the lens shape (circle shape).

Select the projection method.
Equidistant projection: The image is formed so that the angle of incidence of a ray of light is proportional to its distance from the center of the screen.
Isosceles projection: The image is formed so that the stereoscopic angle of the subject is proportional to its area on the image.
Stereo projection: forms an image as if mapping a sphere to a plane.
Orthographic projection: The image is formed as if a spherical surface were projected directly onto a plane. Compared to equidistant projection, the subject in the center of the image is larger and the subjects on the periphery are smaller.

Select the mounting orientation.
Ceiling : Select this option when the mounting surface is a ceiling.
Floor: Select this option when the mounting surface is the floor.
Wall :Select when the mounting surface is a wall.

Select the angle to the mounting surface. (This is used when the mounting surface is a wall.)

A video player for viewing video clipped images with fisheye correction in a local environment.
After saving the fisheye correction settings, the [ Player ] button is enabled for download.

The file is downloaded in zip format.
Example) {camera name}_YYYYYMMDDhhmms.zip
player.html : Player file for playing fisheye videos.
script.js : A Java script file that describes information for playing a clip.

After unzipping the downloaded zip file, open player.html in your browser. (The latest version of Chrome is supported)
When the screen shown in the figure opens, click on the screen to select a previously downloaded video clip, or drag and drop a video clip to start playing the video clip.

The image is opened.

ALERT

The player is dedicated to the target fisheye camera. If you change the fisheye correction settings after downloading the player, the images may look different in the player and the integrated video management system. This player can also play other videos, but correction operation is not guaranteed.

Display Settings #

From the Layout drop-down list, you can select the layout you wish to display. The layout set here will be reflected in LIVE mode and DIRECT mode.

Layout Type

  • Free layout 1 x 1 (column x row)
  • Free layout 1 x 2 (column x row)
  • Free layout 1 x 3 (columns x rows)
  • Free layout 2 x 1 (column x row)
  • Free layout 2 x 2 (column x row)
  • Free layout 2 x 3 (columns x rows)
  • Free layout 3 x 1 (column x row)
  • Free layout 3 x 2 (column x row)
  • Free layout 3 x 3 (column x row)

Change display mode

The video display mode can be freely changed.
Move the cursor over the image to display the [Area View], [Panorama View], and [Original (Fisheye) View] buttons as shown below.

area indication
panoramic display
Original (fisheye) display


Scaling and angle adjustment

The images in area and panorama views can be saved with their zoom in/out and angles adjusted. After making the following adjustments with the mouse, click [ Save ] to reflect them.

  • Image scaling – adjust with mouse wheel
  • Adjusting the angle of the image – mouse dragging
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