Dahua DH-ITC231 Panduan Instalasi - Halaman 20

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Attached Jan.12

algorithm test result：

① Day time vehicle head， capture rate， vehicle67.8%， non-vehicle70.1%， total capture rate： 68.6%；

actual recognition rate 92.9%；LOGO：30%；model：57%，vehicle color：74.75%；

② Night vehicle head， capture rate， vehicle41.5%， non-vehicle14.9%； actual recognition rate83.5%；

③ Day time vehicle tail， capture rate： motor： 82.4%， non-vehicle94.6%， total capture rate： 87.6%；

actual recognition rate：88.5%；LOGO33.8%，model：75%，vehicle color：81.6%；

④ Night vehicle tail，capture rate，vehicle86.6%，non-vehicle83.5%；actual recognition rate75%。

FAQ

Device is abnormal, cannot

boot up or be operated

WEB control unit did not pop

up webrec.cab

Focus not clear at night

Plate effect is weak at night

Snapshot rate is low at night

Figure 2.1-4

Chapter 6 FAQ

Solution

Device is abnormal and cannot operate or cannot boot up, press Reset

key for 5 seconds to restore default settings.

Please lower Internet Explorer security level to the lowest, set

"ActiveX plug in and control unit" to "enabled".

At day time, manually adjust iris to max, and manually focus or use

ABF (do not touch ABF during other time)

1. Confirm focus clarity；

2. At night, use linear WDR；（adjust WDR to below 50 at night,

default is OK）

3. Ensure use of IR7 on site, light cup angle is 15 degrees。

1. Recommend vehicle tail snapshot plan；

2. Ensure snapshot effect is ok；

3. Use version after Jan.12