公开(公告)号：US09666088B2

公开(公告)日：2017-05-30

申请号：US13961139

申请日：2013-08-07

Applicant: Xerox Corporation

Inventor： Edul N. Dalal ,  Wencheng Wu ,  Richard L. Howe

IPC: G09B5/02 ,  G06K9/00 ,  G07C9/00

CPC classification number: G09B5/02 ,  G06K9/00228 ,  G06K9/00295 ,  G06K9/00335 ,  G07C9/00158

Abstract: A video-based teaching aid system and method. Video images are recorded of at least some of a plurality of people in a classroom setting by use of a video camera arrangement. Expressions of the people in the video images are identified by use of an expression recognition module configured to receive the video images from the video camera arrangement. The identified expressions of the people in the video images are correlated with at least one of an event or an outcome of an event occurring in a classroom setting by use of a correlation module. The results of the correlating are outputted by an output device.

公开(公告)号：US09361536B1

公开(公告)日：2016-06-07

申请号：US14571753

申请日：2014-12-16

Applicant: Xerox Corporation

Inventor： Richard L. Howe ,  Eric M. Gross ,  Dennis L. Venable

IPC: H04N1/38 ,  H04N1/387 ,  G06K15/02 ,  G06K9/00 ,  G06K9/34 ,  G06K9/46 ,  G06K9/60 ,  G06K9/78 ,  G06K9/80 ,  H04N1/00

CPC classification number: G06K9/346 ,  G06K9/00449 ,  G06K9/00852 ,  G06K9/60 ,  G06K9/78 ,  G06K9/80 ,  G06K15/1869 ,  G06K15/1889 ,  G06K17/00 ,  H04N1/00331 ,  H04N1/38 ,  H04N1/387 ,  H04N1/3871 ,  H04N2201/0094

Abstract: Methods, devices, and systems replace solid lines of user-fillable areas of a print job with patterned lines and then print the print job with the patterned lines to print user-fillable pre-printed forms, using a printing device. These methods, devices, and systems also scan at least one of the user-fillable pre-printed forms having user markings to produce a scan, using an optical scanner. Further, such methods, devices, and systems produce an altered scan by removing only the patterned lines from the scan to leave the user markings in the altered scan using the image processor. Then, these methods, devices, and systems can identify user-supplied characters by performing automated character recognition on the user markings in the altered scan using the image processor and output such user-supplied characters from the image processor.

Abstract translation: 方法，设备和系统用图案线替代打印作业的用户可填充区域的实线，然后使用图案线打印打印作业，以使用打印设备打印用户可填充的预打印形式。 这些方法，装置和系统还使用光学扫描仪扫描具有用户标记的用户可填充的预打印形式中的至少一个以产生扫描。 此外，这样的方法，设备和系统通过仅从扫描中去除图案线以使用图像处理器留下改变的扫描中的用户标记来产生改变的扫描。 然后，这些方法，设备和系统可以通过使用图像处理器对改变的扫描中的用户标记执行自动字符识别并从图像处理器输出这样的用户提供的字符来识别用户提供的字符。

公开(公告)号：US20150044657A1

公开(公告)日：2015-02-12

申请号：US13961139

申请日：2013-08-07

Applicant: Xerox Corporation

Inventor： Edul N. Dalal ,  Wencheng Wu ,  Richard L. Howe

IPC: G09B5/02

CPC classification number: G09B5/02 ,  G06K9/00228 ,  G06K9/00295 ,  G06K9/00335 ,  G07C9/00158

Abstract: A video-based teaching aid system and method. Video images are recorded of at least some of a plurality of people in a classroom setting by use of a video camera arrangement. Expressions of the people in the video images are identified by use of an expression recognition module configured to receive the video images from the video camera arrangement. The identified expressions of the people in the video images are correlated with at least one of an event or an outcome of an event occurring in a classroom setting by use of a correlation module. The results of the correlating are outputted by an output device.

Abstract translation: 视频教学辅助系统及方法。 通过使用摄像机装置，在教室设置中记录多个人中的至少一些人的视频图像。 通过使用被配置为从摄像机装置接收视频图像的表情识别模块来识别视频图像中的人的表达。 所识别的视频图像中的人的表达与通过使用相关模块在课堂设置中发生的事件的事件或结果中的至少一个相关联。 相关的结果由输出装置输出。