UFOCaptureV2 users manual
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2.3 Basic Settings
To begin observations, basic settings below are necessary.
(1) Initialize settings by reading a preset file.
- By package default, UFOCaptureV2 is set as NTSC 640x480 29.97fps daytime AVI capture. If your observation purpose is differ from this, you should read the nearest preset settings from below.
|preset file name
||NTSC minimum load setting
||NTSC low resolution for daytime
||NTSC IEEE1394(DV) low resolution for daytime
||NTSC standard for daytime (package default)
||NTSC standard for night sky
||NTSC IEEE1394(DV) hi resolution for daytime
||PAL minimum load setting
||PAL high resolution for night sky
||PAL IEEE1394(DV) high resolution for night sky
- Be aware that high resolution setting requires very high performance. Please try low resolution at first.
- Preset file (*.ufi) can be read by pushing "Read Settings" button in "Operation sheet" and assign file name.
- All settings will be changed by reading and can be modified manually afterwards. Settings will save to "Settings.ufi" at every end of execution and will be succeeded to next execution. Preset file will not change unless it is saved manually.
- Important information such as FTP passwords is saved in cipher. They can be read only with using same Serial ID.
- All setting will be initialized to package default by deleting "Settings.ufi"in execution directory.
(2)DB directory assign
(3)Capture device/pin selection and initial detection test.
(4)Detect are mask setting.
- Confirm Detect area file name box shows "DA-ALL.bmp" when you detect all area of input signal.
- When you have unstable or unwanted object such as trees or ground objects in the field of view, you should make area mask pattern by Detect area mask editor before sensitivity tuning.
- There are two main threshold level below that must be tuned . Optimum setting is depend on various conditions of your system and purpose. If setting is too sensitive, capture will not stop and this must be avoided.
- Detect Lev (brightness level)
- "Detect Lev" is the threshold level of brightness change of each pixels.
- Usually, "Detect Level Noise Tracking" =ON is recommended. In this case tuning must be done to Noise Tracking parameters .
- To avoid continuous capture, tune "MinL-N " in "Input" sheet to be "Detect Lev" become above enough the noise level shown in the Bar when the input is stable.
- In daytime observation, there will be big difference of brightness, therefore "MinL-N" = 10 to 30 would be appropriate.
- In night, "MinL-N" = 3 to 10 may be appropriate for dim phenomenon detection..
- Detect Size (number of pixels which change its brightness)
- In daytime, set "Detect Size" = 100 for example. Set lower value to detect small object or set 1000 to 10000 to detect only very big objects.
- In night, set 3 to 8 to detect small objects. In case of getting many clips which is triggered by small noise, do not set Detect size too high, but tune "MinL-N "of Noise Tracking parameter or "Detect Lev".
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