FULLY CONVOLUTIONAL PYRAMID NETWORKS FOR PEDESTRIAN DETECTION

    公开(公告)号:US20180018524A1

    公开(公告)日:2018-01-18

    申请号:US15300490

    申请日:2015-12-16

    Abstract: A fully convolutional pyramid network and method for object (e.g., pedestrian) detection are disclosed. In one embodiment, the object detection system is a pedestrian detection system that comprises: a multi-scale image generator to generate a set of images from an input image, the set of images being versions of the input image at different scales; a human body-specific fully convolutional network (FCN) model operable to generate a set of detection results for each image in the set of images that is indicative of objects that are potentially of human bodies; and a post processor to combine sets of detection results generated by the FCN model for the set of images into an output image with each object location determined as potentially being a human body being marked.

    FACIAL EXPRESSION RECOGNITION USING RELATIONS DETERMINED BY CLASS-TO-CLASS COMPARISONS

    公开(公告)号:US20170308742A1

    公开(公告)日:2017-10-26

    申请号:US15116894

    申请日:2015-09-16

    Abstract: Facial expressions are recognized using relations determined by class-to-class comparisons. In one example, descriptors are determined for each of a plurality of facial expression classes. Pair-wise facial expression class-to-class tasks are defined. A set of discriminative image patches are learned for each task using labelled training images. Each image patch is a portion of an image. Differences in the learned image patches in each training image are determined for each task. A relation graph is defined for each image for each task using the differences. A final descriptor is determined for each image by stacking and concatenating the relation graphs for each task. Finally, the final descriptors of the images of the are fed into a training algorithm to learn a final facial expression model.

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