2015 Computer methods in biomechanics and biomedical engineering
* A fast bilateral filter with application to artefact reduction.
- Elastography in medical ultrasound is an imaging technique that displays information about tissue stiffness. However, elastography suffers from artefact noise that may come from two dominant sources: decorrelation error and amplitude modulation error. In order to reduce artefact and improve the quality of ultrasonic elastography, a fast bilateral filter is proposed in this study based on local histogram. The presented filter is derived from a conventional bilateral filter, and a local histogram is introduced to speed up the filter. The proposed algorithm can reduce artefact noise and, at the same time, maintain the tissue structure. Both simulation and phantom testing show that the proposed method can improve the quality of ultrasonic elastography in terms of tissue elastographic signal-to-noise ratio and elastographic contrast-to-noise ratio values.
=>1.時代, 季節, 歳月, 当時, 現代, 一生, 年季, 就業時間, 期間, 時刻, 時点, 機会, 拍子, 速度, 何度, 何回,
時, 時間, 回, 2.時間[速度]を測定する, 時間を決める, (装置などの)タイミングを調節する
Overview of noun time
The noun time has 10 senses (first 9 from tagged texts)
1. (219) time, clip -- (an instance or single occasion for some event; "this time he succeeded"; "he
called four times"; "he could do ten at a clip")
2. (160) time -- (a period of time considered as a resource under your control and sufficient to
accomplish something; "take time to smell the roses"; "I didn't have time to finish"; "it took more
than half my time")
3. (114) time -- (an indefinite period (usually marked by specific attributes or activities); "he
waited a long time"; "the time of year for planting"; "he was a great actor in his time")
4. (43) time -- (a suitable moment; "it is time to go")
5. (36) time -- (the continuum of experience in which events pass from the future through the
present to the past)
6. (10) time -- (a person's experience on a particular occasion; "he had a time holding back the
tears"; "they had a good time together")
7. (7) clock time, time -- (a reading of a point in time as given by a clock; "do you know what time
it is?"; "the time is 10 o'clock")
8. (5) fourth dimension, time -- (the fourth coordinate that is required (along with three spatial
dimensions) to specify a physical event)
9. (1) meter, metre, time -- (rhythm as given by division into parts of equal duration)
10. prison term, sentence, time -- (the period of time a prisoner is imprisoned; "he served a prison
term of 15 months"; "his sentence was 5 to 10 years"; "he is doing time in the county jail")
Overview of verb time
The verb time has 5 senses (first 3 from tagged texts)
1. (4) clock, time -- (measure the time or duration of an event or action or the person who performs
an action in a certain period of time; "he clocked the runners")
2. (3) time -- (assign a time for an activity or event; "The candidate carefully timed his
appearance at the disaster scene")
3. (1) time -- (set the speed, duration, or execution of; "we time the process to manufacture our
cars very precisely")
4. time -- (regulate or set the time of; "time the clock")
5. time -- (adjust so that a force is applied and an action occurs at the desired time; "The good
player times his swing so as to hit the ball squarely")
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