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树莓派车牌识别

于 2021-05-06 发布
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下载积分: 1 下载次数: 6

代码说明:

本代码主要分为4个部分,分别是车辆高度判断部分、图像采集部分,车牌识别部分、通信部分。通信设置是树莓派用来与单片机通信的波特率、com口以及停止位参数等,将车牌的字符串通过串口发送给单片机;摄像头设置是树莓派对摄像头进行初始化,方便后面直接调用摄像头进行拍照;车辆高度判断,利用激光对射模块,若超过限定高度则返回的电平发生了变化;车牌识别部分是核心部分,对含有车牌信息的图像进行处理,最后得到车牌信息。

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up……….….….….………..……3483.7.2 Shelf Manager actions on Carrier detection3-483.7.3 Normal Shelf operation1B面面国B3-483.7.4 Abnormal situation handling3-4938 Power management.……3-493.8.1 Power clapping国面3-503.8.2 Micro T CA Carrier Power Management records.3-513.8.3 Early power management356PICMG( Micro TCAO Specification Draft RC1. 0, May 26, 2006Do not specify or claim compliance with this Draft Specification3.8.4 Normal power management.3-573.8.5 Power management commands and sensors3-593.8.6 Abnormal power condition handling3-673.9 Cooling management3-693.9.1 Fan geography.…3-703.9.2 Cooling control…3-713.9.3 Normal cooling operation3-723.9.4 Abnormal cooling operation3-733.9.5 Fan tachometer sensors3-733.9.6 Temperature sensors翻画1国翻B1B…3-733.10 Electronic Keying3-743.10.1 Micro TCA Carrier point-to-point connectivity information3-753.10.2 Module point-to-point connectivity information.3-773.10.3 AMC Port state commands3-783.10.4 Clock b- Keying……3-783.11 Telco alarm management3-73. 12 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modules.6-226.5.7 JSM Master mode selection6-236.5.8 JSM Interface to External tester..6-246.5.9 MCH JTAG6-266.5. 10 Power module jtAG6-276.6 MicroTCA Interface topologies1画6-276.6. 1 Topology models6-286.6.2 Correlation to AdvancedMc fabric regions6-296.7 MCH Connector pin allocation6-306.7.1 Pin naming conventions6-316.7.2 Fabric interface naming conventions6-31PICMG MicroTCA. 0 Specification Draft RC1.o, May 26, 2006Do not specify or claim compliance with this Draft Specification6.7.3 Synchronization clock interface naming convention6-316.7.4 MCH Connector pin list……………6-326.8 System examples.6-386.8. 1 Redundant MicroTCA system6-386.8.2 Variant redundant microtca interconnect6-416.8.3 Non-redundant MicroTCA system6-45Connectors7-17.1 General information7-17.2 AdvancedMC Backplane Connectors7-17.2.1 AdvancedMC Backplane Connector pin list7-27.2.2 AdvancedMC Backplane Connector dimensions7-27.2.3 Advancedmc backplane connector pcb layout∴7-67. 2. 4 AdvancedMC Backplane Connector electrical characteristics7-107.2.5 AdvancedMC Backplane Connector high-speed characteristics7-147.2.6 AdvancedMC Backplane Connector mechanical characteristics7-187.3 Micro TCa Carrier hub connectors7-197.3.1 Micro TCA Carrier Hub Connector pin list7-197.3.2 Micro TCA Carrier Hub mating interface design7-207.3.3 Micro TCA Carrier Hub backplane connector7-227.3. 4 Micro TCA Carrier Hub Connector Backplane PCB layout7-237. 3.5 Micro tca Carrier Hub connector electrical characteristics7-247.3.6 Micro TCA Carrier Hub Connector high-speed characteristics7-2573.7 Micro tCa Carrier hub connector mechanical characteristics7-297.4 Power Module Output Connector7.4.1 Power Module Output Connector pin list and mating sequence7-317.4.2 Power Module Output Connector dimensions7-327. 4.3 Power Module Output Connector Backplane PCb layout7-347.4.4 Electrical characteristics for power Module output connector.7-367.4.5 Power Module Output Connector mechanical characteristics7-397.5 Power Module Input 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