West, 1984 - Google Patents
A system for the automatic visual inspection of bare-printed circuit boardsWest, 1984
- Document ID
- 4182442922802328050
- Author
- West G
- Publication year
- Publication venue
- IEEE transactions on systems, man, and cybernetics
External Links
Snippet
A system for automatic inspection of bare-printed circuit boards is described that uses three concepts: 1) multiple inspection systems; 2) learn and inspect phases of inspection; 3) a hierarchy of detection processes to satisfy the four basic criteria for a successful inspection …
- 238000011179 visual inspection 0 title description 3
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30148—Semiconductor; IC; Wafer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
- G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
- G06K9/46—Extraction of features or characteristics of the image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
- G06K9/62—Methods or arrangements for recognition using electronic means
- G06K9/6201—Matching; Proximity measures
- G06K9/6202—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2209/00—Indexing scheme relating to methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
- G06K2209/19—Recognition of objects for industrial automation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/302—Contactless testing
- G01R31/308—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| West | A system for the automatic visual inspection of bare-printed circuit boards | |
| KR100808652B1 (en) | Pattern inspection method | |
| Rau et al. | Automatic optical inspection for detecting defects on printed circuit board inner layers | |
| Chin et al. | Automated visual inspection: A survey | |
| US4532650A (en) | Photomask inspection apparatus and method using corner comparator defect detection algorithm | |
| Darwish et al. | A rule based approach for visual pattern inspection | |
| Moganti et al. | Automatic PCB inspection algorithms: a survey | |
| Chin | Automated visual inspection: 1981 to 1987 | |
| Hara et al. | Automatic inspection system for printed circuit boards | |
| EP1254431B1 (en) | Method and system for detecting defects on a printed circuit board | |
| US4477926A (en) | Process for inspecting and automatically sorting objects showing patterns with constant dimensional tolerances and apparatus for carrying out said process | |
| US5119434A (en) | Method of and apparatus for geometric pattern inspection employing intelligent imaged-pattern shrinking, expanding and processing to identify predetermined features and tolerances | |
| Fu | Pattern recognition for automatic visual inspection | |
| Gao et al. | Adaptive deep learning for high-speed railway catenary swivel clevis defects detection | |
| US4496971A (en) | Detection apparatus | |
| JPS62201339A (en) | Method of optically testing circuit substrate | |
| Hsieh et al. | An automatic visual inspection system for integrated circuit chips | |
| GB2102122A (en) | Detecting defects in a pattern | |
| JPH0210461B2 (en) | ||
| JPS62280975A (en) | Optical inspection of printed circuit | |
| Chin | Automated visual inspection algorithms | |
| Thibadeau | Printed Circuit Board Inspection. | |
| West et al. | The automatic visual inspection of printed circuit boards | |
| Thibadeau | The state of the art in printed wiring board inspection | |
| JP3106370B2 (en) | Defect detection and type recognition of printed circuit boards using graph information |