Based on image decomposition, the X-ray pipe welding line image was filtered by wavelet analysis.
文章在图像分解的基础上,利用小波分析对工业X射线天然气管道焊缝缺陷图像进行去噪处理,有效地改善了图像质量,又根据Laplacian算子检测图像边缘快速性的特点,参照天然气管道焊缝图像的特征,提出一种基于小波与Laplacian算子相结合的管道焊缝缺陷识别方法,仿真结果证明了此方法有效性及可靠性。
Methods to detect crack of pipe welding lines with ultrasonic are mostly similar,but there exist differences in specific operations.
利用超声波对管道焊缝进行探伤的方法大致相同,但具体做法各有差异。
Application of Wavelet and Laplacian Operator in Pipe Welding Flaw Image Detection
小波及拉氏算子在管道焊缝缺陷检测中的应用
Study on Mechanism of Ultrasonic Testing Scanner for Pipeline Welds;
管道焊缝超声检测扫查器机械装置研究
Crack Analysis and Disposal for the Weld of High-Pressure Stainless Steel Pipe in Hydrocracking
加氢裂化高压不锈钢管道焊缝裂纹分析及处理
Analysis and Processing Test Research on Welding Line Defect of Main Steam Pipe for P91 Steel
P91钢主汽管道焊缝缺陷分析及处理试验研究
Research on pipeline girth welding joint with copper infiltration and copper back-up shoes root welding
管道环焊缝采用铜衬垫根焊及焊缝渗铜研究
Analysis on key technologies for pipeline internal circumferential automatic welding machine with multi-torch
管道环焊缝多焊炬自动内焊机关键技术分析
Research of root welding technology and welding procedure with back-up shoes pipeline girth welding
带衬垫的管道环焊缝根焊技术及焊接工艺
Application of PIW48 pipe inner girth welding line
国产PIW48管道内环缝自动焊机焊接技术应用
Finite Strip Analysis for ERW Pipe Multiple Rolls Progressive Forming
多道次直缝焊管连续成型有限条分析
Experimental Study of Laser Girth Welding for Line Pipe Steel X100
X100管道钢环缝激光焊接的试验研究
Girth Weld Defects Assessment of Strain-based Design Pipelines
基于应变设计的管道环焊缝缺陷评估
Research on System of Seam Detection and Weld Parameter Control in Automatic Pipeline Welding;
管道自动焊接中焊缝检测和焊接参数控制系统的研究
CAUSE ANALYSIS OF WELD SEAM CRACKING ON THERMOCOUPLE SLEEVES USED FOR MAIN STEAM PIPELINE
主蒸汽管道热电偶套管焊缝开裂原因分析
Development of Automatic Ultrasonic Testing System for Pipeline Girth Welds;
管道对接焊缝自动超声检测系统的研制
Research on Internal Circumferential Automatic Welding Equipment and Process for Long Distance Pipeline with Big Size
大口径长输管道内环缝自动焊设备及工艺研究
The Impact of Heat Treatment on Residual Stress from P92 Pipes Girth Weld
热处理对P92管道环焊缝残余应力的影响
Quantitative Calculation for Depth of Welding Root Defect Tested by Radiographic Method
管道射线检测时焊缝根部缺陷深度的定量计算
Welded Seam Failure-based Mathematical Model of Pipeline System Safety Probability
基于焊缝失效的管道安全概率数学模型
