نتایج جستجو برای: cell tracking
تعداد نتایج: 1790500 فیلتر نتایج به سال:
Tracking motile cells in time-lapse series is challenging and is required in many biomedical applications. Cell tracks can be mathematically represented as acyclic oriented graphs. Their vertices describe the spatio-temporal locations of individual cells, whereas the edges represent temporal relationships between them. Such a representation maintains the knowledge of all important cellular even...
Service robots, e.g. massage have attracted more and attention in recent years the most popular study within this field is trajectory tracking. Due to actual demand for service solution of tracking requires fast convergence high accuracy. In order solve above issues, paper proposed an enhanced Gated recurrent unit (GRU) deal with tasks robot manipulators. The main feature GRU utilizing cell sta...
در این پایان نامه مدل های عددی برای تحلیل مرز آزاد دو بعدی از آبهای زیر زمینی در شیب های پایدار شده به وسیله ترانشه های زهکشی ارائه می شود. که شامل روش front-tracking می باشد که در ذخیره ی زمان محاسبات نسبت به روش شبکه- ثابت موثرتر می باشد. این روش اثر ترانشه های درون شیب ها را بررسی می کند که در آن خاک بالای سطح ایستابی غیر اشباع می باشد.
This paper discusses cell detection and tracking in the microscope scene for a cell-operation robot. An approach integrating morphological operator and Bayesian estimation technique is used for cell detection and tracking. One of the problems in the implementation is a difficulty in obtaining accurate information of cells. We introduce classification criterion, which rely on both shape and text...
Tracking an unknown number of low-observable objects is notoriously challenging. This letter proposes a sequential Bayesian estimation method based on the track-before-detect (TBD) approach. In TBD, raw sensor measurements are directly used by tracking algorithm without any preprocessing. Our proposed new statistical model that introduces object hypothesis for each data cell measurements. It al...
Automated segmentation and tracking of cells in actively developing tissues can provide high-throughput and quantitative spatiotemporal measurements of a range of cell behaviors; cell expansion and cell-division kinetics leading to a better understanding of the underlying dynamics of morphogenesis. Here, we have studied the problem of constructing cell lineages in time-lapse volumetric image st...
Automated visual-tracking of cell populations in vitro using time-lapse phase contrast microscopy enables quantitative, systematic, and high-throughput measurements of cell behaviors. These measurements include the spatiotemporal quantification of cell migration, mitosis, apoptosis, and the reconstruction of cell lineages. The combination of low signal-to-noise ratio of phase contrast microscop...
MOTIVATION To gain fundamental insight into the development of embryos, biologists seek to understand the fate of each and every embryonic cell. For the generation of cell tracks in embryogenesis, so-called tracking-by-assignment methods are flexible approaches. However, as every two-stage approach, they suffer from irrevocable errors propagated from the first stage to the second stage, here fr...
recently many studies have been done on different issues of using multiple antennas at transmit and receive sides of a radar system in a mimo (multiple input multiple output) configuration. in addition, for the electronic warfare‟s purposes, the utilization of available signals of the environment to detect the targets has gained considerable attention in recent years. such passive radars use th...
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