Investigating soil desiccation cracking using an infrared thermal imaging technique

2021 ◽  
Author(s):  
Hao Zeng ◽  
Chao‐sheng Tang ◽  
Cheng Zhu ◽  
Qing Cheng ◽  
Zong‐ze Lin ◽  
...  
Keyword(s):  
Thermal Imaging ◽  
Imaging Technique ◽  
Infrared Thermal Imaging ◽  
Soil Desiccation ◽  
Desiccation Cracking

Appearance of Human Meridian-Like Structure and Acupoints and Its Time Correlation by Infrared Thermal Imaging

2007 ◽  
Vol 35 (02) ◽  
pp. 231-240 ◽  
Author(s):  
Hong-Qin Yang ◽  
Shu-Sen Xie ◽  
Xiang-Long Hu ◽  
Li Chen ◽  
Hui Li
Keyword(s):  
Thermal Imaging ◽  
Physiological Function ◽  
Imaging Technique ◽  
Pathological Change ◽  
Potential Method ◽  
Time Correlation ◽  
Human Beings ◽  
Infrared Thermal Imaging ◽  
Physiological Phenomenon ◽  
First Time

The meridians and acupoints of human bodies at natural condition are investigated among 30 healthy volunteers by infrared thermal imaging technique. The results give clear evidence of the existence of infrared radiant tracks along human meridian courses. The time dependent evolution of the infrared radiant track is observed for the first time. The time rhythm of acupoints is also studied. Our findings not only support the view that infrared radiant tracks along human meridian courses is a normal vital and physiological phenomenon appearing in human beings, but also offer a potential method for noninvasive diagnostic by studying the physiological function and pathological change of meridians or acupoints by means of thermography.

Research on Infrared Thermal Imaging Technique for the Sidewall of LNG Storage Tank

2014 ◽  
Vol 511-512 ◽  
pp. 425-428
Author(s):  
Jie Jiang ◽  
Wen Da Zhu ◽  
Gong Sheng Yang ◽  
Jing Peng Yan ◽  
Nan Jin Gao ◽  
...  
Keyword(s):  
Natural Gas ◽  
Thermal Imaging ◽  
Storage Tank ◽  
Imaging Technique ◽  
Temperature Drop ◽  
Liquefied Natural Gas ◽  
Thermal Imager ◽  
Gas Temperature ◽  
Infrared Thermal Imaging ◽  
Lng Tank

Liquefied natural gas (LNG) is obtained by cooling the gas temperature to -162 degree. Problems with the steel cans, the insulation layer or the concrete tank of the LNG tank can lead to changes of the temperature, local temperature decreases, and the safety of the tank is threatening. Through the combination of many sets of infrared thermal imager to monitor the temperature of the LNG storage tank’s sidewall, analyze the heat imagine, establish the corresponding relationship between the locations on the sidewall of the LNG tank and on the heat imagine, determine the position of the temperature point on the tank wall. Infrared thermal imaging technique for the sidewall of LNG storage tank can find out the heat abnormal conditions and fixing the temperature drop area in time, and provide powerful guarantee for the safe storage of the liquefied natural gas.

scholarly journals Correlation between Plantar Foot Temperature and Diabetic Neuropathy: A Case Study by Using an Infrared Thermal Imaging Technique

2010 ◽  
Vol 4 (6) ◽  
pp. 1386-1392 ◽  
Author(s):  
Subramnaiam Bagavathiappan ◽  
John Philip ◽  
Tammana Jayakumar ◽  
Baldev Raj ◽  
Pallela Narayana Someshwar Rao ◽  
...  
Keyword(s):  
Diabetic Neuropathy ◽  
Thermal Imaging ◽  
Imaging Technique ◽  
Infrared Thermal Imaging

scholarly journals Detection of Defects in Kenaf/Epoxy using Infrared Thermal Imaging Technique

2012 ◽  
Vol 4 ◽  
pp. 172-178 ◽  
Author(s):  
M.J. Suriani ◽  
A. Ali ◽  
A. Khalina ◽  
S.M. Sapuan ◽  
S. Abdullah
Keyword(s):  
Thermal Imaging ◽  
Imaging Technique ◽  
Infrared Thermal Imaging ◽  
Detection Of Defects

scholarly journals Effects of salicylic acid elicitor against aphids on wheat and detection of infestation using infrared thermal imaging technique in Ismailia, Egypt

2015 ◽  
Vol 30 (2) ◽  
pp. 91-97 ◽  
Author(s):  
Farag Mahmoud ◽  
Hatem Mahfouz
Keyword(s):  
Salicylic Acid ◽  
Thermal Imaging ◽  
Insect Pests ◽  
Foliar Application ◽  
Imaging Technique ◽  
Wheat Yield ◽  
Yield Reduction ◽  
Imaging Data ◽  
Infrared Thermal Imaging ◽  
Aphid Infestation

Wheat (Triticum sativum L.) is one of the most important cereal crops in Egypt. Insect pests, such as aphids, are major threats in terms of yield reduction. Induced resistance in wheat using salicylic acid as a foliar application was tested on the farm of the Faculty of Agriculture, Suez Canal University during 2012/2013 and 2013/2014 seasons. Three wheat cultivars, Gemeza 9, Sakha 93 and Giza 168, were sprayed three times with two concentrations of salicylic acid (SA), 200 mg/l and 100 mg/l, after early detection of aphid infestation by infrared thermal imaging. The infrared thermal imaging technique is based on significant differences in surface temperature between infested and healthy leaves. Imaging data are digital, and a computer program can be used to detect infestation rapidly. The results showed that aphid infestation raised the temperature of infested leaves, compared to healthy leaves. The range temperature difference between maximum and minimum temperatures (At) was 1.1 ?C in healthy leaves and 3.9 ?C in infected leaves. The results of SA application showed significant differences in the mean number of aphids and in reduction of infestation among treatments and cultivars. The higher of the two SA rates (200 mg/l) gave higher efficacy in the three cultivars than the lower rate (100 mg/l) over the five weeks of trial. The highest efficacy against aphids was reached one week after application (86.28% for Giza, 85.89% for Gemesa and 70.54% for Sakha). Moreover, SA treatment enhanced the wheat yield of all three cultivars, compared with control plants. The three cultivars (Giza, Gemesa and Sakha) produced higher yields than the control when sprayed with 200 mg/l SA. Their grain yield was 2,491.5, 2,455.0, and 2,327.25 kg/feddan (1 fed = 0.42 ha), respectively. In conclusion, infrared thermal imaging can be employed in identification of infected leaves. Also, the application of SA on wheat induced plant resistance to aphids.

scholarly journals Evaluation of muscle fatigue using infrared thermal imaging technique with assisted electromyography

2017 ◽  
Vol 13 (4-2) ◽  
pp. 509-514 ◽  
Author(s):  
Nursyazana Ridzuan ◽  
Aizreena Azaman ◽  
Soeed K ◽  
Izwyn Zulkapri ◽  
Asnida Abd Wahab
Keyword(s):  
Muscle Fatigue ◽  
Temperature Difference ◽  
Thermal Imaging ◽  
Gastrocnemius Muscle ◽  
Imaging Technique ◽  
Alternative Methods ◽  
Median Frequency ◽  
Infrared Thermal Imaging ◽  
Sports Science ◽  
Average Temperature

Muscle fatigue in sports science is an established research area where various techniques and types of muscles have been studied in order to understand the fatigue condition. It can be used as an indicator for predicting muscle injury and other muscle problems which can decrease athletes’ performance. Muscle fatigue usually occurs after a long lasting or repeated muscular activity. Electromyography (EMG) assessment method is a standard tool used to evaluate muscle fatigue based on the signals from the neuromuscular activation during fatigue condition. However, additional time for equipment set up such as placement of the electrodes and the use of multiple wires make this overall setting a bit complicated. In addition, the signal from EMG which possessed some noise, need to be filtered and post processing time is also required to obtain a reliable measurement signal. Therefore, researchers have explored the application of thermal imaging technique as one of the alternative methods for muscle fatigue assessment. The objective of this study is to investigate the correlation of muscle fatigue condition measured using a non-invasive infrared thermal imaging technique and a standard evaluation method, EMG. Five healthy men were selected to run on a treadmill for 30 minutes with a constant speed setting. Temperature and EMG signals were registered from gastrocnemius muscle of the subjects' dominant leg simultaneously. Result obtained shows that the average temperature of gastrocnemius muscle decrease as subjects start to exercise. Further temperature decrease along with exercise and increase in temperature were observed during the recovery period. Statistical analysis was performed and analyzed using both temperature and EMG parameters. Result shows a significant strong correlation with r = 0.7707 and p < 0.05 between temperature difference and median frequency (MDF) for all subjects compared to average temperature. Therefore, it is concluded that temperature difference extracted from thermal images can be used as an ideal parameter for muscle fatigue evaluation.  

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