Multi-cell automatic tracking method and system based on plurality of task ant systems

An ant system and automatic tracking technology, applied in the field of multi-cell tracking, can solve problems such as difficult problems, and achieve the effect of saving computing costs

Active Publication Date: 2013-03-27
HUAWEI TEHCHNOLOGIES CO LTD
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Problems solved by technology

Judging from the current literature and patent search results, there are few reports on multi-cell tracking technology based on measurement tracking, and related research is sti

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  • Multi-cell automatic tracking method and system based on plurality of task ant systems
  • Multi-cell automatic tracking method and system based on plurality of task ant systems
  • Multi-cell automatic tracking method and system based on plurality of task ant systems

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Embodiment Construction

[0032] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0033] A multi-cell automatic tracking system based on the multi-task ant system, comprising:

[0034] Multiple ant systems, each independent ant system corresponds to the tracking of a cell;

[0035] The initialization module sets the distribution of individual ants in the image in multiple ant systems; assumes the initial tracking task completion probability of each ant system; constructs the initial histogram template library; sets the maximum and minimum activity affected areas of ant individuals, and model probability with weights;

[0036] There are multiple ant individual decision-making units, and each ant individual decision-making unit...

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Abstract

The invention discloses a multi-cell automatic tracking method and system based on a plurality of task ant systems. The plurality of task ant systems work independently and cooperatively, each independent task ant system module corresponds to a cell for tracking, and a corresponding variable describes the task completion probability; for each independent task ant system, and the ant individual state is firstly determinate by ant model probability and likelihood function values and then performed with state local optimizing through a local adjusting module; for an ant system cooperating layer, on the basis than an effective likelihood function is defined, an optimum histogram template in the current plurality of ant colony systems is found out through a mutually information exchanging method to update a template histogram image base, further model probability, weight and influence area of each ant and task finishing probability of each ant system are further updated, and cell state estimation is given out finally. The multi-cell automatic tracking method and system based on the plurality of task ant systems can achieve various multi-cell automatic tracking with different dynamic characteristic parameters, moving in close range and with cell number time-varying.

Description

technical field [0001] The invention relates to the field of multi-cell tracking, in particular to an automatic multi-cell tracking method and system based on a multi-task ant system. Background technique [0002] Multicellular movement analysis is one of the essential means for the analysis of biological cellular processes, the diagnosis of diseases, and the development of new drugs. Cell movement analysis faces many challenges, such as cell deformation, differences in dynamic characteristics of multiple cells, cell overlap, cell number changes, low-contrast ratio cell image sequences, and so on. At present, cell tracking methods are mainly divided into three categories, which are model-based diffusion methods, detection-based methods, and Bayesian probability estimation techniques. The main representative of the model diffusion technology is the active contours method (Active contours), which is also an earlier cell tracking technology, but this method is effective for sl...

Claims

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Application Information

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IPC IPC(8): G06T7/20G06N3/00
Inventor 徐本连陈庆兰鲁明丽毛丽民朱培逸王小英
Owner HUAWEI TEHCHNOLOGIES CO LTD
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