NSTL国家科技图书文献中心

1. Comparison and Optimization of Rail Defect Detection Methods Based on Object Detection Model NSTL国家科技图书文献中心

Zhang, Hongwei | Cui, Xiaolu ... - 《Tribology Transactions》 - 2025,68(1) - 171～179 - 共9页

摘要： method combining the grayscale* histogram equalization* | performing grayscale* histogram equalization, resulting in a* | Rail maintenance is an extremely complex but | important component of a metro system. In response to the | frequent occurrence of rail defects, the rail defect

关键词： Rail defects | object detection | optimization method | grayscale histogram equalization | feature pyramid network

2. Adaptive fast Walsh-Hadamard transform for magnetic flux leakage signal of broken wire damage extraction under noise background NSTL国家科技图书文献中心

Huang, Shengping | Wang, Zhongqiu ... - 《Nondestructive Testing and Evaluation》 - 2025,40(2) - 564～584 - 共21页

摘要： histogram as the indexes, the Fast Walsh-Hadamard | Steel wire rope usually works in harsh | environments, making it prone to damage during frequent use | . Magnetic flux leakage testing is an important way of non | -destructive testing, preventing some major accidents of

关键词： Steel wire rope | magnetic flux leakage testing | fast Walsh-Hadamard transform | grayscale histogram

3. Cotton leaf water potential prediction based on UAV visible light images and multi-source data NSTL国家科技图书文献中心

Gao, Yonglin | Zhao, Tiebiao ... - 《Irrigation Science》 - 2025,43(1) - 121～134 - 共14页

摘要： grayscale histogram mean was extracted as an indicator of | . This model integrates the grayscale* histogram method* | Regular monitoring of crop moisture conditions | has the potential to enhance both crop production | efficiency and water utilization efficiency. To generate a

关键词： Leaf water potential | Visible light image | Unmanned aerial vehicle | Extreme learning machine | Sparrow search algorithm

4. A novel chirp-based 2D hyperchaotic map for enhanced image encryption NSTL国家科技图书文献中心

Demirtas, Mehmet | Altunkaya, Sabri - 《Physica Scripta》 - 2025,100(1) - 共28页

摘要： any size, whether color or grayscale. Comprehensive | security evaluations, such as key analysis, histogram | This paper presents a novel image encryption | algorithm based on a newly proposed two-dimensional | hyperchaotic map derived from the chirp signal. Performance

关键词： image security | hyperchaotic map | image encryption | chirp signal

5. Multilevel chaotic encryption model with cyclic redundancy check for medical data NSTL国家科技图书文献中心

Suvita Rani,Sharma | Birmohan,Singh ... - 《Neural computing & applications》 - 2025,37(5) - 3581～3603 - 共23页

摘要： model is effectively implemented for grayscale* and* | encryption model is proved in terms of histogram* analysis* | In telemedicine applications, it is crucial to | ensure the authentication, confidentiality, and privacy | of medical data due to its sensitive nature and the

关键词： Chaotic maps | Cyclic redundancy check | Decryption | Encryption | Medical data | Telemedicine

6. A new histogram equalization technique for contrast enhancement of grayscale images using the differential evolution algorithm NSTL国家科技图书文献中心

Rivera-Aguilar Beatr... | Cuevas Erik ... - 《Neural computing & applications》 - 2024,36(20) - 12029～12045 - 共17页

摘要： enhancement are Histogram* Equalization-based (HE) techniques* | the histogram* and improve the image's contrast* | performance in improving the grayscale* images' contrast.* | Image contrast enhancement is a crucial | computer vision step aiming to improve the quality of the

关键词： Contrast enhancement | Histogram equalization | Transformation function | Image processing | Differential evolution

7. Fetal Echogenic Bowel: What Is Real Echogenicity? A Quantitative Method Based on Histogram Analysis of the Grayscale NSTL国家科技图书文献中心

Silvia,Spinnato | Alessia,De Biase ... - 《Fetal diagnosis and therapy》 - 2024,51(2) - 145～153 - 共9页

摘要： computerized analysis of the grayscale spectrum (histogram | the role of histogram* analysis in the prenatal* | mean of the grayscale* histograms of the bowel, liver* | bowel/liver and bowel/bone histogram* ratios between* | outcome. Conclusions: Histogram* analysis may refine the*

关键词： Fetal echogenic bowel | Prenatal diagnosis | 2D ultrasound

8. Optimizing Grayscale Image Quality Through Genetic Algorithm Over Quad Histogram Division NSTL国家科技图书文献中心

Supriya Singh | Deepa Raj - 《2024 IEEE Students Conference on Engineering and Systems》 - IEEE Students Conference on Engineering and Systems - 2024, - 1～6 - 共6页

摘要： histogram clipping method for controlling global contrast | histogram divisions, ensuring consistent brightness and | In medical images, poor-quality images such as | X-rays, MRI scans, CT scans, and ultrasound are | common. These images can make it difficult to

关键词： Measurement | Image quality | Histograms | Visualization | PSNR | X-rays | Polynomials

9. Detection of oilseed rape clubroot based on low-field nuclear magnetic resonance imaging NSTL国家科技图书文献中心

Feng, Lei | Chen, Sishi ... - 《Computers and Electronics in Agriculture》 - 2024,218 - ARTN 108687～ - 共9页 - 被引量：3

摘要： grayscale histograms (Avg-SGH) were extracted to build | Plant root diseases threat plant growth and | eventually cause plant death without proper treatment. It | is difficult to diagnose root diseases without | digging the roots from the soil, and it is late when the

关键词： Root disease | Magnetic resonance imaging | 3D root reconstruction | Grayscale histogram | Machine learning | GROWTH | ROT

10. Convolutional Neural Network based edge detection technique for thermal images of electrical equipment NSTL国家科技图书文献中心

Xiaoyun Tian | Bin Liu ... - 《Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), Part Three of Three Parts: 24-26 November 2023.Wuhan, China》 - International Conference on Energy System, Electricity, and Power - 2024, - 13159A0.1～13159A0.7 - 共7页

摘要： electrical equipment. Then, grayscale histogram | Infrared detection is a common means of | inspecting current electrical equipment. It has the | advantages of not requiring power outage, non-contact, non | -disassembly, long-distance, large-area rapid scanning

摘要： method combining the grayscale* histogram equalization* | performing grayscale* histogram equalization, resulting in a* | Rail maintenance is an extremely complex but | important component of a metro system. In response to the | frequent occurrence of rail defects, the rail defect

关键词： Rail defects | object detection | optimization method | grayscale histogram equalization | feature pyramid network

摘要： histogram as the indexes, the Fast Walsh-Hadamard | Steel wire rope usually works in harsh | environments, making it prone to damage during frequent use | . Magnetic flux leakage testing is an important way of non | -destructive testing, preventing some major accidents of

关键词： Steel wire rope | magnetic flux leakage testing | fast Walsh-Hadamard transform | grayscale histogram

摘要： grayscale histogram mean was extracted as an indicator of | . This model integrates the grayscale* histogram method* | Regular monitoring of crop moisture conditions | has the potential to enhance both crop production | efficiency and water utilization efficiency. To generate a

关键词： Leaf water potential | Visible light image | Unmanned aerial vehicle | Extreme learning machine | Sparrow search algorithm

摘要： any size, whether color or grayscale. Comprehensive | security evaluations, such as key analysis, histogram | This paper presents a novel image encryption | algorithm based on a newly proposed two-dimensional | hyperchaotic map derived from the chirp signal. Performance

关键词： image security | hyperchaotic map | image encryption | chirp signal

摘要： model is effectively implemented for grayscale* and* | encryption model is proved in terms of histogram* analysis* | In telemedicine applications, it is crucial to | ensure the authentication, confidentiality, and privacy | of medical data due to its sensitive nature and the

关键词： Chaotic maps | Cyclic redundancy check | Decryption | Encryption | Medical data | Telemedicine

摘要： enhancement are Histogram* Equalization-based (HE) techniques* | the histogram* and improve the image's contrast* | performance in improving the grayscale* images' contrast.* | Image contrast enhancement is a crucial | computer vision step aiming to improve the quality of the

关键词： Contrast enhancement | Histogram equalization | Transformation function | Image processing | Differential evolution

摘要： computerized analysis of the grayscale spectrum (histogram | the role of histogram* analysis in the prenatal* | mean of the grayscale* histograms of the bowel, liver* | bowel/liver and bowel/bone histogram* ratios between* | outcome. Conclusions: Histogram* analysis may refine the*

关键词： Fetal echogenic bowel | Prenatal diagnosis | 2D ultrasound

摘要： histogram clipping method for controlling global contrast | histogram divisions, ensuring consistent brightness and | In medical images, poor-quality images such as | X-rays, MRI scans, CT scans, and ultrasound are | common. These images can make it difficult to

关键词： Measurement | Image quality | Histograms | Visualization | PSNR | X-rays | Polynomials

摘要： grayscale histograms (Avg-SGH) were extracted to build | Plant root diseases threat plant growth and | eventually cause plant death without proper treatment. It | is difficult to diagnose root diseases without | digging the roots from the soil, and it is late when the

关键词： Root disease | Magnetic resonance imaging | 3D root reconstruction | Grayscale histogram | Machine learning | GROWTH | ROT

摘要： electrical equipment. Then, grayscale histogram | Infrared detection is a common means of | inspecting current electrical equipment. It has the | advantages of not requiring power outage, non-contact, non | -disassembly, long-distance, large-area rapid scanning

关键词： Infrared Image | Neural Network | Edge Detection

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： method combining the grayscale histogram equalization | performing grayscale histogram equalization, resulting in a | Rail maintenance is an extremely complex but | important component of a metro system. In response to the | frequent occurrence of rail defects, the rail defect

关键词： Rail defects | object detection | optimization method | grayscale histogram equalization | feature pyramid network

摘要： histogram as the indexes, the Fast Walsh-Hadamard | Steel wire rope usually works in harsh | environments, making it prone to damage during frequent use | . Magnetic flux leakage testing is an important way of non | -destructive testing, preventing some major accidents of

关键词： Steel wire rope | magnetic flux leakage testing | fast Walsh-Hadamard transform | grayscale histogram

摘要： grayscale histogram mean was extracted as an indicator of | . This model integrates the grayscale histogram method | Regular monitoring of crop moisture conditions | has the potential to enhance both crop production | efficiency and water utilization efficiency. To generate a

关键词： Leaf water potential | Visible light image | Unmanned aerial vehicle | Extreme learning machine | Sparrow search algorithm

摘要： any size, whether color or grayscale. Comprehensive | security evaluations, such as key analysis, histogram | This paper presents a novel image encryption | algorithm based on a newly proposed two-dimensional | hyperchaotic map derived from the chirp signal. Performance

关键词： image security | hyperchaotic map | image encryption | chirp signal

摘要： model is effectively implemented for grayscale and | encryption model is proved in terms of histogram analysis | In telemedicine applications, it is crucial to | ensure the authentication, confidentiality, and privacy | of medical data due to its sensitive nature and the

关键词： Chaotic maps | Cyclic redundancy check | Decryption | Encryption | Medical data | Telemedicine

摘要： enhancement are Histogram Equalization-based (HE) techniques | the histogram and improve the image's contrast | performance in improving the grayscale images' contrast. | Image contrast enhancement is a crucial | computer vision step aiming to improve the quality of the

关键词： Contrast enhancement | Histogram equalization | Transformation function | Image processing | Differential evolution

摘要： computerized analysis of the grayscale spectrum (histogram | the role of histogram analysis in the prenatal | mean of the grayscale histograms of the bowel, liver | bowel/liver and bowel/bone histogram ratios between | outcome. Conclusions: Histogram analysis may refine the

关键词： Fetal echogenic bowel | Prenatal diagnosis | 2D ultrasound

摘要： histogram clipping method for controlling global contrast | histogram divisions, ensuring consistent brightness and | In medical images, poor-quality images such as | X-rays, MRI scans, CT scans, and ultrasound are | common. These images can make it difficult to

关键词： Measurement | Image quality | Histograms | Visualization | PSNR | X-rays | Polynomials

摘要： grayscale histograms (Avg-SGH) were extracted to build | Plant root diseases threat plant growth and | eventually cause plant death without proper treatment. It | is difficult to diagnose root diseases without | digging the roots from the soil, and it is late when the

关键词： Root disease | Magnetic resonance imaging | 3D root reconstruction | Grayscale histogram | Machine learning | GROWTH | ROT

摘要： electrical equipment. Then, grayscale histogram | Infrared detection is a common means of | inspecting current electrical equipment. It has the | advantages of not requiring power outage, non-contact, non | -disassembly, long-distance, large-area rapid scanning

关键词： Infrared Image | Neural Network | Edge Detection

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： method combining the grayscale* histogram equalization* | performing grayscale* histogram equalization, resulting in a* | Rail maintenance is an extremely complex but | important component of a metro system. In response to the | frequent occurrence of rail defects, the rail defect

摘要： grayscale histogram mean was extracted as an indicator of | . This model integrates the grayscale* histogram method* | Regular monitoring of crop moisture conditions | has the potential to enhance both crop production | efficiency and water utilization efficiency. To generate a

摘要： model is effectively implemented for grayscale* and* | encryption model is proved in terms of histogram* analysis* | In telemedicine applications, it is crucial to | ensure the authentication, confidentiality, and privacy | of medical data due to its sensitive nature and the

摘要： enhancement are Histogram* Equalization-based (HE) techniques* | the histogram* and improve the image's contrast* | performance in improving the grayscale* images' contrast.* | Image contrast enhancement is a crucial | computer vision step aiming to improve the quality of the

摘要： computerized analysis of the grayscale spectrum (histogram | the role of histogram* analysis in the prenatal* | mean of the grayscale* histograms of the bowel, liver* | bowel/liver and bowel/bone histogram* ratios between* | outcome. Conclusions: Histogram* analysis may refine the*