PT90469B - Disposicao de codigo binario legivel por maquina, variavel dinamicamente e processo para a sua leitura e producao - Google Patents
Disposicao de codigo binario legivel por maquina, variavel dinamicamente e processo para a sua leitura e producao Download PDFInfo
- Publication number
- PT90469B PT90469B PT90469A PT9046989A PT90469B PT 90469 B PT90469 B PT 90469B PT 90469 A PT90469 A PT 90469A PT 9046989 A PT9046989 A PT 9046989A PT 90469 B PT90469 B PT 90469B
- Authority
- PT
- Portugal
- Prior art keywords
- matrix
- perimeter
- binary code
- density
- data
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K2019/06215—Aspects not covered by other subgroups
- G06K2019/06262—Aspects not covered by other subgroups with target- or other orientation-indicating feature
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Multimedia (AREA)
- Character Discrimination (AREA)
- Image Processing (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Image Analysis (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Image Input (AREA)
- Editing Of Facsimile Originals (AREA)
- Holo Graphy (AREA)
- Optical Recording Or Reproduction (AREA)
Description
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/190,205 US4939354A (en) | 1988-05-05 | 1988-05-05 | Dynamically variable machine readable binary code and method for reading and producing thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
PT90469A PT90469A (pt) | 1989-11-30 |
PT90469B true PT90469B (pt) | 1994-04-29 |
Family
ID=22700422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT90469A PT90469B (pt) | 1988-05-05 | 1989-05-04 | Disposicao de codigo binario legivel por maquina, variavel dinamicamente e processo para a sua leitura e producao |
Country Status (25)
Country | Link |
---|---|
US (9) | US4939354A (pt) |
JP (4) | JP2951965B2 (pt) |
KR (1) | KR930012137B1 (pt) |
AU (1) | AU622173B2 (pt) |
BE (1) | BE1002654A3 (pt) |
CA (1) | CA1341134C (pt) |
CH (1) | CH679084A5 (pt) |
DE (1) | DE3914440A1 (pt) |
DK (1) | DK175021B1 (pt) |
ES (1) | ES2017022A6 (pt) |
FI (1) | FI99056C (pt) |
FR (1) | FR2631182B1 (pt) |
GB (2) | GB2218240B (pt) |
GR (1) | GR890100297A (pt) |
IE (1) | IE62337B1 (pt) |
IL (1) | IL90140A (pt) |
IT (1) | IT1231365B (pt) |
MX (1) | MX167333B (pt) |
MY (1) | MY104121A (pt) |
NL (1) | NL193505C (pt) |
NO (1) | NO180810C (pt) |
NZ (1) | NZ228997A (pt) |
PT (1) | PT90469B (pt) |
SE (1) | SE506353C2 (pt) |
ZA (1) | ZA893288B (pt) |
Families Citing this family (226)
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- 1994-08-22 JP JP6196838A patent/JP2622235B2/ja not_active Expired - Fee Related
- 1994-08-22 JP JP6196817A patent/JP2931209B2/ja not_active Expired - Fee Related
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