VC++实现的光流场计算源代码分析

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资源摘要信息:"hh.rar_光流_光流提取" 根据提供的文件信息,我们可以提取以下知识点: 1. 光流计算概念:光流(Optical Flow)是指在图像序列中,由于物体或相机的运动所产生的像素点在序列帧之间的运动。光流场则可以理解为一个向量场,它描述了图像序列中每个像素点的运动轨迹。这种运动通常用二维速度向量来表示,可以在视觉处理、运动检测、图像分割、物体跟踪等领域中应用。 2. 光流提取方法:光流提取是从视频或图像序列中计算出光流场的过程。常见的光流提取方法包括基于梯度的方法、基于匹配的方法和基于能量的方法等。其中,基于梯度的方法比如Horn-Schunck算法是一种经典的光流计算方法,通过求解偏微分方程组来估计像素点的运动。 3. VC++编程语言:VC++指的是Visual C++,是微软公司推出的一个集成开发环境,用于C、C++语言的开发。VC++提供了一系列开发工具,包括编译器、调试器和代码编辑器,是进行Windows平台软件开发的常用工具。在这份资源中,光流场计算的源代码就是用VC++编写的。 4. 光流计算的实际应用:光流技术在多个领域有着广泛的应用。例如,在自动驾驶汽车中,光流可用于检测道路上车辆和行人的运动,为车辆导航和避障提供数据支持。在视频监控中,光流分析可以帮助识别和跟踪监控场景中的移动对象。在人机交互中,光流可以用于手势识别,从而实现无需接触的交互方式。 5. 文件名称sensorHS.cpp分析:根据文件名称"sensorHS.cpp",可以推测该源代码文件可能实现了Horn-Schunck算法的光流计算方法。该文件可能是软件模块中的一部分,专门负责使用Horn-Schunck方法处理传感器数据,以提取光流场信息。"cpp"扩展名表示该文件是一个C++源代码文件。 总结上述信息,本资源提供了一套用VC++实现的光流场计算源代码,主要运用的是经典的Horn-Schunck算法。光流场的计算在计算机视觉领域具有非常重要的意义,它能够帮助我们理解图像中的运动模式,并在多种应用中发挥作用。通过掌握光流的计算方法和VC++编程,开发者可以在视觉处理相关的项目中实现高级的功能,如运动追踪和场景分析。此资源将有助于提升开发者在图像处理和计算机视觉方面的专业技能。

改如何修正: <select id="getCurrentTask" resultType="com.sottop.sokonmobile.sokonmobile.qingdao.entity.AsEmWorkOrderEntity"> SELECT asewo.code_s as code,asewo.order_type_s as orderType,asewo.equipment_name_s as equipmentName,asewo.executor_s as executor, asewo.plan_start_time_T as planStartTime,asewo.plan_finish_time_T as planFinishTime,asewo.tpm_key_s as tpmKey,asewo.shop_s as shop, asewo.line_S as line,asewo.actual_start_time_t as startTime,asewo.actual_finish_time_t as finishTime,asewo.executor_account_s as executorAccounts, asewo.source_type_s as sourceType,asewo.SOURCE_ORDER_S as sourceOrder,asewo.CREATION_TIME as creationTime FROM AT_AS_EM_Work_Order asewo WHERE to_char(asewo.plan_start_time_T,'yyyy_mm-dd hh24:mi') <= to_char(plan_finish_time_T,'yyyy_mm_dd hh24:mi') AND asewo.ORDER_STATUS_S='创建' AND asewo.executor_s=#{executor} <if test="orderType!=null and orderType!=''"> AND asewo.order_type_s=#{orderType} </if> ORDER BY asewo.creation_time DESC Union All SELECT asewo.code_s as code,asewo.order_type_s as orderType,asewo.equipment_name_s as equipmentName,asewo.executor_s as executor, asewo.plan_start_time_T as planStartTime,asewo.plan_finish_time_T as planFinishTime,asewo.tpm_key_s as tpmKey,asewo.shop_s as shop, asewo.line_S as line,asewo.actual_start_time_t as startTime,asewo.actual_finish_time_t as finishTime,asewo.executor_account_s as executorAccounts, asewo.source_type_s as sourceType,asewo.SOURCE_ORDER_S as sourceOrder,asewo.CREATION_TIME as creationTime FROM AT_AS_EM_Work_Order asewo WHERE asewo.ORDER_STATUS_S='创建' AND asewo.executor_s=#{executor} <if test="orderType!=null and orderType!=''"> AND asewo.order_type_s=#{orderType} </if> ORDER BY asewo.creation_time DESC </select>

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java.sql.SQLException: sql injection violation, syntax error: TODO : pos 872, line 15, column 43, token UNION : SELECT asewo.code_s as code,asewo.order_type_s as orderType,asewo.equipment_name_s as equipmentName,asewo.executor_s as executor, asewo.plan_start_time_T as planStartTime,asewo.plan_finish_time_T as planFinishTime,asewo.tpm_key_s as tpmKey,asewo.shop_s as shop, asewo.line_S as line,asewo.actual_start_time_t as startTime,asewo.actual_finish_time_t as finishTime,asewo.executor_account_s as executorAccounts, asewo.source_type_s as sourceType,asewo.SOURCE_ORDER_S as sourceOrder,asewo.CREATION_TIME as creationTime FROM AT_AS_EM_Work_Order asewo WHERE to_char(asewo.plan_start_time_T,'yyyy_mm-dd hh24:mi') <= to_char(plan_finish_time_T,'yyyy_mm_dd hh24:mi') AND asewo.ORDER_STATUS_S='创建' AND asewo.executor_s=? ORDER BY asewo.creation_time DESC Union All SELECT asewo.code_s as code,asewo.order_type_s as orderType,asewo.equipment_name_s as equipmentName,asewo.executor_s as executor, asewo.plan_start_time_T as planStartTime,asewo.plan_finish_time_T as planFinishTime,asewo.tpm_key_s as tpmKey,asewo.shop_s as shop, asewo.line_S as line,asewo.actual_start_time_t as startTime,asewo.actual_finish_time_t as finishTime,asewo.executor_account_s as executorAccounts, asewo.source_type_s as sourceType,asewo.SOURCE_ORDER_S as sourceOrder,asewo.CREATION_TIME as creationTime FROM AT_AS_EM_Work_Order asewo WHERE asewo.ORDER_STATUS_S='创建' AND asewo.executor_s=? ORDER BY asewo.creation_time DESC如何改

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