BR112016029616A2 - padrão de luz codificada tendo simetria hermitiana - Google Patents
padrão de luz codificada tendo simetria hermitianaInfo
- Publication number
- BR112016029616A2 BR112016029616A2 BR112016029616A BR112016029616A BR112016029616A2 BR 112016029616 A2 BR112016029616 A2 BR 112016029616A2 BR 112016029616 A BR112016029616 A BR 112016029616A BR 112016029616 A BR112016029616 A BR 112016029616A BR 112016029616 A2 BR112016029616 A2 BR 112016029616A2
- Authority
- BR
- Brazil
- Prior art keywords
- bit sequence
- light pattern
- perforated
- coded light
- codewords
- 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
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4266—Diffraction theory; Mathematical models
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
-
- 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
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
- G06T15/506—Illumination models
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters
- G06V10/89—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters using frequency domain filters, e.g. Fourier masks implemented on spatial light modulators
- G06V10/893—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters using frequency domain filters, e.g. Fourier masks implemented on spatial light modulators characterised by the kind of filter
- G06V10/895—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters using frequency domain filters, e.g. Fourier masks implemented on spatial light modulators characterised by the kind of filter the filter being related to phase processing, e.g. phase-only filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Graphics (AREA)
- Manufacturing & Machinery (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
- Image Analysis (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
um método inclui identificar uma ou mais palavras-código de uma sequência de bit que não satisfaz pelo menos uma restrição de palavra-código. o método também inclui remover a uma ou mais palavras-código da sequência de bit para gerar uma sequência de bit perfurada. o método inclui adicionalmente determinar se a sequência de bit perfurada é simétrica. o método inclui, em resposta à determinação de que a sequência de bit perfurada é simétrica, gerar um primitivo de livro-código simétrico hermitiano com base, pelo menos em parte, na sequência de bit perfurada, onde o primitivo de livro-código simétrico hermitiano pode ser útil para formar um elemento óptico difrativo (doe) de um sistema de captação de profundidade de luz estruturada.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462015349P | 2014-06-20 | 2014-06-20 | |
| US62/015,349 | 2014-06-20 | ||
| US14/491,521 | 2014-09-19 | ||
| US14/491,521 US9558436B2 (en) | 2014-06-20 | 2014-09-19 | Coded light pattern having hermitian symmetry |
| PCT/US2015/033531 WO2015195309A1 (en) | 2014-06-20 | 2015-06-01 | Coded light pattern having hermitian symmetry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016029616A2 true BR112016029616A2 (pt) | 2017-08-22 |
| BR112016029616B1 BR112016029616B1 (pt) | 2023-07-04 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| US9536186B2 (en) | 2017-01-03 |
| JP6224276B2 (ja) | 2017-11-01 |
| CN106415604A (zh) | 2017-02-15 |
| CA2952420A1 (en) | 2015-12-23 |
| EP3158504A1 (en) | 2017-04-26 |
| WO2015195309A1 (en) | 2015-12-23 |
| CN106415604B (zh) | 2018-06-01 |
| JP2017529579A (ja) | 2017-10-05 |
| US9558436B2 (en) | 2017-01-31 |
| US20150371434A1 (en) | 2015-12-24 |
| CA2952420C (en) | 2022-07-19 |
| KR101781775B1 (ko) | 2017-09-25 |
| CN108764227A (zh) | 2018-11-06 |
| US20150371127A1 (en) | 2015-12-24 |
| KR20170020787A (ko) | 2017-02-24 |
| EP3158504B1 (en) | 2024-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 01/06/2015, OBSERVADAS AS CONDICOES LEGAIS |