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ZTE's intelligent video ReID algorithm made a major breakthrough, refreshing the world record of three major data sets

via:博客园     time:2019/8/10 10:05:41     readed:540

Recently, ZTE Corporation has made breakthroughs in the technology of Person Re-identification (ReID), in the three major ReID data sets Market1501, DukeMTMC-reID, CUHK03 (the three data sets are the most in the industry). Multi-target multi-camera pedestrian tracking datasets with large-scale impacts, and the accuracy of the algorithm's key indicators mAP and Rank-1 have been significantly improved compared with the results released by various research institutions and industry manufacturers. First, refresh the world record.

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The number of indicators obtained by ZTE ReID technology from the three public data sets at the end of July 2019

Pedestrian re-recognition refers to the search of the same pedestrian in a multi-camera network with non-overlapping perspectives, and confirms whether the pedestrian targets captured by cameras at different positions at different times are the same person, that is, using computer vision algorithms to solve cross-camera cross-scenarios. Identification and retrieval of descendants. This technology is a great leap in machine learning after the face recognition technology. It can recognize pedestrians according to the pedestrian's wearing, posture, hairstyle, behavior and other information, and traditionally view the video and lock the key personnel track. The time is shortened from tens of days to minutes.

In the field of pedestrian recognition technology, the first Rank rate (Rank-1 Accuracy) and Mean Average Precision (MAP) are the core indicators for measuring the level of the algorithm. ZTE has innovatively proposed a multi-module multi-granularity feature extraction network in this technology, which effectively solves the complicated situations such as side face, occlusion and missing caused by camera shooting angle, chromatic aberration and illumination intensity. The network feature matching performance achieved a significant increase in the two key indicators of Rank-1 (first hit rate) and mAP (average mean mean value) on the three major data sets, ranking first and setting a new world record. (Note: The result is obtained without using any timing information, without re-ranking, etc.)

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ZTE ReID Technology Part Test Results

ZTE has always insisted on strengthening R&D investment. In addition to the 5G and other communication services, it has deepened its field of video and computer vision and launched intelligent video services. It has deep accumulation in target detection, multi-target tracking and various target recognition technologies. Continuous innovation breakthroughs, ranking first in the multi-target tracking (MOT Challenge) algorithm evaluation as early as 2017. In practical applications, pedestrian recognition technology can be combined with face recognition technology to make full use of existing equipment and infrastructure to achieve continuous tracking and track restoration of search objects across cameras, enhance data space-time continuity, and make artificial intelligence. The level of cognition has risen to a new level.

With the increasing maturity of pedestrian recognition technology, it will promote the continuous development of intelligent sensing applications for a wide range of people, bringing great application value and practical significance to the fields of business, transportation, finance, public safety, etc., and making artificial intelligence services more Multiple scenes, more users.

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