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feat.新增文字识别ROI区域缓存的功能

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MistEO
2021-09-27 15:33:38 +08:00
parent 128951530a
commit aaf59defb3
5 changed files with 75 additions and 29 deletions
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10
src/MeoAssistance/InfrastAbstractTask.cpp
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@@ -226,15 +226,7 @@ std::vector<TextArea> asst::InfrastAbstractTask::detect_operators_name(
if (textarea.text.find(key) != std::string::npos
&& textarea.text.find(value) == std::string::npos) {
// 把key所在的矩形放大一点送去做特征检测，不需要把整张图片都送去检测
Rect magnified_area = textarea.rect.center_zoom(2.0);
magnified_area.x = (std::max)(0, magnified_area.x);
magnified_area.y = (std::max)(0, magnified_area.y);
if (magnified_area.x + magnified_area.width >= image.cols) {
magnified_area.width = image.cols - magnified_area.x - 1;
}
if (magnified_area.y + magnified_area.height >= image.rows) {
magnified_area.height = image.rows - magnified_area.y - 1;
}
Rect magnified_area = textarea.rect.center_zoom(2.0, image.cols, image.rows);
// key是关键字而已，真正要识别的是value
auto&& ret = OcrAbstractTask::m_identify_ptr->feature_match(
image(make_rect<cv::Rect>(magnified_area)), value);