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VX6854LC bảng dữ liệu(PDF) 80 Page - STMicroelectronics

tên linh kiện VX6854LC
Giải thích chi tiết về linh kiện  QXGA EDOF camera module
PDF  114 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VX6854LC bảng dữ liệu(HTML) 80 Page - STMicroelectronics

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DocID027110 Rev 2
8.2
Text, 1D and 2D code reading
The VX6854LC camera module features a Supermacro mode dedicated to business card
and text reading as well as barcode and 2D QR code reading using a monochrome image.
Figure 29. Examples of barcode and QR code
Note:
The above performances were achieved on VX6854LC in Supermacro mode through ST’s
image processing pipe and with standard mobile phone application QR decoder software.
Refer to the “EDoF application note” for recommendations on Host processing pipe tuning
for QR/Barcode reading.
Table 65: QR code (2D) resolution reading capability
Performances
Working distances (cm)
QR code 0.339 mm
25-28cm
QR code 0.4 mm
20-30cm
QR code 0.5 mm
15-30cm
QR code 0.6 mm
15-30cm
QR code 0.7 mm
15-30cm
QR code
Barcode



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