更新空白页算法接口,增加跳过空白页(基于文件大小)
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@ -113,9 +113,9 @@ bool CImageApplyDiscardBlank::apply(const cv::Mat& pDib, double threshold, int e
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return b;
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}
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bool CImageApplyDiscardBlank::apply(int fileSize, const cv::Size& imageSize, FileType flag)
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bool CImageApplyDiscardBlank::apply(int fileSize, const cv::Size& imageSize, FileType type, double threshold, const char* data)
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{
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switch (flag)
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switch (type)
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{
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case JPEG_COLOR:
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if (static_cast<double>(fileSize) / static_cast<double>(imageSize.width * imageSize.height) > 0.039)
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@ -21,8 +21,9 @@
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2022/11/29 v1.5 增加纸张杂点忽略功能
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2022/12/03 v1.5.1 调整纸张杂点忽略逻辑,避免把细条纹(有效信息)给忽略掉;默认将图像按照灰度图进行识别。
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2023/10/12 v1.6 添加新的空白页识别方案。采用JEPG文件大小判断是否为空白页。
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2023/10/20 v1.6.1 优化JEPG文件大小判断空白页
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* 版本号:v1.6.1
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2023/10/20 v1.6.1 优化JPEG文件大小判断空白页
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2023/10/30 v1.7 调整JPEG文件大小判断空白页的算法接口
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* 版本号:v1.7
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* ====================================================
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*/
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@ -74,13 +75,15 @@ public:
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static bool apply(const cv::Mat& pDib, double threshold = 40, int edge = 50, double devTh = 30, double meanTh = 200, int dilate = 3);
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/// <summary>
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/// 空白页识别。根据jpeg文件大小进行判断。
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///
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/// </summary>
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/// <param name="fileSize">J文件大小</param>
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/// <param name="fileSize">JPG文件大小</param>
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/// <param name="imageSize">图像大小</param>
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/// <param name="flag">0为JPG + 彩色,1为JPG + 灰度,2为PNG + 彩色, 3为PNG + 灰度, 4为PNG + </param>
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/// <returns></returns>
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static bool apply(int fileSize, const cv::Size& imageSize, FileType type);
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/// <param name="type">0为JPG + 彩色,1为JPG + 灰度,2为PNG + 彩色, 3为PNG + 灰度, 4为PNG + 二值图</param>
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/// <param name="threshold">识别灵敏度阈值</param>
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/// <param name="data">文件数据头指针</param>
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/// <returns>true为空白页,false为非空白页</returns>
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static bool apply(int fileSize, const cv::Size& imageSize, FileType type, double threshold, const char* data = nullptr);
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private:
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double m_threshold;
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@ -69,6 +69,7 @@ g_page[] =
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{MAKE_ID_AND_STR(ID_OPTION_VALUE_SMYM_SM), PAGE_DOUBLE},
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{MAKE_ID_AND_STR(ID_OPTION_VALUE_SMYM_TGKBYTY), PAGE_OMIT_EMPTY},
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{MAKE_ID_AND_STR(ID_OPTION_VALUE_SMYM_TGKBYFPZ), PAGE_OMIT_EMPTY_RECEIPT},
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{MAKE_ID_AND_STR(ID_OPTION_VALUE_SMYM_TGKBYJYWJDX), PAGE_OMIT_EMPTY_FILE_SIZE},
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{MAKE_ID_AND_STR(ID_OPTION_VALUE_SMYM_DZ), PAGE_FOLIO}
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},
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@ -173,12 +173,14 @@ bool is_lateral(int paper);
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//#define HUAGAO_SETTING_STR_PAGE_DOUBLE "双面"
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//#define HUAGAO_SETTING_STR_PAGE_OMIT_EMPTY "跳过空白页(通用)"
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//#define HUAGAO_SETTING_STR_PAGE_OMIT_EMPTY_RECEIPT "跳过空白页(发票纸)"
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//#define HUAGAO_SETTING_STR_PAGE_OMIT_EMPTY_FILE_SIZE "跳过空白页(基于文件大小)"
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//#define HUAGAO_SETTING_STR_PAGE_FOLIO "对折"
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enum {
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PAGE_SINGLE = 0,
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PAGE_DOUBLE,
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PAGE_OMIT_EMPTY,
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PAGE_OMIT_EMPTY_RECEIPT,
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PAGE_OMIT_EMPTY_FILE_SIZE,
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PAGE_FOLIO,
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};
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int match_best_page(std::string& val, bool* exact);
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@ -619,9 +621,7 @@ typedef struct _scan_conf
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int discare_dilate; /**< 调过空白页纸张杂点阈值>*/
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double discare_meanth; /**< 调过空白页文稿底色阈值>*/
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bool en_contaminationdetection; /**< 脏污检测使能>*/
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uint8_t contaminationdetection_threshold_1; /**< 脏污检测第一阈值,超过该阈值视为存在脏污>*/
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uint8_t contaminationdetection_threshold_2; /**< 脏污检测第二阈值,配合width使用,超过该阈值且连续宽度达到width视为存在脏污>*/
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uint32_t contaminationdetection_width; /**< 脏污检测宽度,配合threshold2使用>*/
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bool detect_size_diascard_blank; /**< 基于压缩图像大小跳过空白页使能*/
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uint32_t reserve[1024]; /**< 预留4096字节做协议扩展*/
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}SCANCONF ,*LPSCANCONF;
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//图像参数设置 -OVER
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@ -5409,6 +5409,7 @@ int hg_scanner::image_configuration(SCANCONF& ic)
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ic.is_duplex = (image_prc_param_.bits.page == PAGE_DOUBLE
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|| image_prc_param_.bits.page == PAGE_OMIT_EMPTY
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|| image_prc_param_.bits.page == PAGE_OMIT_EMPTY_RECEIPT
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|| image_prc_param_.bits.page == PAGE_OMIT_EMPTY_FILE_SIZE
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|| image_prc_param_.bits.page == PAGE_FOLIO);
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if (is_dpi_color_check)
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@ -5447,6 +5448,7 @@ int hg_scanner::image_configuration(SCANCONF& ic)
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ic.is_autodiscradblank_normal = image_prc_param_.bits.page == PAGE_OMIT_EMPTY || is_discardblank;
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ic.discardblank_percent = omit_empty_level_;
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ic.is_autodiscradblank_vince = image_prc_param_.bits.page == PAGE_OMIT_EMPTY_RECEIPT;
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ic.detect_size_diascard_blank = image_prc_param_.bits.page == PAGE_OMIT_EMPTY_FILE_SIZE;
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ic.is_switchfrontback = image_prc_param_.bits.exchange;
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ic.autodescrew = image_prc_param_.bits.automatic_skew;
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ic.multi_output_red = image_prc_param_.bits.rid_red; //之前加上可能导致超时,或者未知错误不可描述。
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