Recognizing Figure Labels in Patents [AAAI 2021 SDU Workshop]

* 100patents_design_original_png.zip: 100 figures extracted from 100 US DESIGN patents, original (unrotated), PNG format * 100patents_design_original-tif.zip: 100 figures extracted from 100 US DESIGN patents, original (unrotated), TIF format* 100patents_design_rotated-tif.zip: 100 figures extracted from 100 US DESIGN patents, rotated to upright if needed TIF format* 100patents_design_rotated-png.zip: 100 figures extracted from 100 US DESIGN patents, rotated to upright if needed, PNG format* all_results_labels.xml: ground truth labels and labels extracted by 8 tools: SWT, Adobe Acrobat, EAST, Amazon Textract, Tesseract, Google Vision API, Abbyy, and the alpha-shape method.<br>For details, see the following paper: Gong Ming, Xin Wei, Diane Oyen, Jian Wu, Martin Gryder, and Liping Yang. "Recognizing Figure Labels in Patents." In: AAAI-2021 workshop on Scientific Document Understanding (SDU). Virtual Event.

* 100patents_design_original_png.zip：从100项美国外观设计专利中提取的100幅原图（未旋转），PNG格式压缩包。
* 100patents_design_original-tif.zip：从100项美国外观设计专利中提取的100幅原图（未旋转），TIF格式压缩包。
* 100patents_design_rotated-tif.zip：从100项美国外观设计专利中提取的100幅图像，可根据需要旋转至正向姿态，TIF格式压缩包。
* 100patents_design_rotated-png.zip：从100项美国外观设计专利中提取的100幅图像，可根据需要旋转至正向姿态，PNG格式压缩包。
* all_results_labels.xml：包含基准真值标签与8种工具提取的标签的XML文件，这8种工具分别为：笔画宽度变换（Stroke Width Transform, SWT）、Adobe Acrobat、EAST、Amazon Textract、Tesseract、Google Vision API、Abbyy以及alpha形状（alpha-shape）方法。<br>详细内容请参阅以下论文：龚明、辛伟、Diane Oyen、吴健、Martin Gryder、杨立平。《专利中的图像标签识别》，发表于：AAAI-2021科学文献理解（SDU）研讨会，虚拟会议。