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|1. (WO2018143278) IMAGE PROCESSING DEVICE, IMAGE RECOGNITION DEVICE, IMAGE PROCESSING PROGRAM, AND IMAGE RECOGNITION PROGRAM|
|Applicants:||EQUOS RESEARCH CO., LTD.
KYUSHU INSTITUTE OF TECHNOLOGY
|Title:||IMAGE PROCESSING DEVICE, IMAGE RECOGNITION DEVICE, IMAGE PROCESSING PROGRAM, AND IMAGE RECOGNITION PROGRAM|
The present invention reduces calculation costs while raising detection accuracy. An image processing device 8 has a function for plotting a luminance gradient co-occurrence pair of an image on a feature plane 15 and applying an EM algorithm thereto to form a GMM. The image processing device 8 learns a pedestrian image and creates a GMM of the pedestrian image, subsequently learns a background image and creates a GMM of the background image, and furthermore calculates a difference between the two and generates a GMM for relearning based on the calculation. The image processing device 8 plots a sample that conforms to the GMM for relearning on the feature plane 15 by applying an inverse function theorem. The image processing device 8 finally forms a GMM that represents the distribution of samples at a designated mixed number and thereby forms a standard GMM that serves as a standard for image recognition. When this mixed number is set to less than a mixed number designated earlier, the dimensions with which an image is analyzed are reduced, making it possible to reduce calculation costs.