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1. WO2019057907 - BAYER MATRIX IMAGE SENSOR

Publication Number WO/2019/057907
Publication Date 28.03.2019
International Application No. PCT/EP2018/075628
International Filing Date 21.09.2018
IPC
H04N 5/225 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
222Studio circuitry; Studio devices; Studio equipment
225Television cameras
H04N 9/04 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
9Details of colour television systems
04Picture signal generators
H04N 5/33 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
30Transforming light or analogous information into electric information
33Transforming infra-red radiation
H04N 5/232 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
222Studio circuitry; Studio devices; Studio equipment
225Television cameras
232Devices for controlling television cameras, e.g. remote control
CPC
G06T 3/4015
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
3Geometric image transformation in the plane of the image
40Scaling the whole image or part thereof
4015Demosaicing, e.g. colour filter array [CFA], Bayer pattern
H04N 5/2254
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
222Studio circuitry; Studio devices; Studio equipment ; ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
225Television cameras ; ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
2251Constructional details
2254Mounting of optical parts, e.g. lenses, shutters, filters or optical parts peculiar to the presence or use of an electronic image sensor
H04N 5/33
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
30Transforming light or analogous information into electric information
33Transforming infra-red radiation
H04N 5/332
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
30Transforming light or analogous information into electric information
33Transforming infra-red radiation
332Multispectral imaging comprising at least a part of the infrared region
H04N 9/045
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
9Details of colour television systems
04Picture signal generators
045using solid-state devices
Applicants
  • SAFRAN ELECTRONICS & DEFENSE [FR]/[FR]
Inventors
  • DAVENEL, Arnaud
  • JOUFFROY, Michel
  • DUBOIS, Corentin
  • GUERIN, Yannick
  • ROBERT-CHARRERAU, Eric
Agents
  • REGIMBEAU
Priority Data
17/0096621.09.2017FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) BAYER MATRIX IMAGE SENSOR
(FR) CAPTEUR D'IMAGE À MATRICE DE BAYER
Abstract
(EN)
The invention relates to an image sensor comprising: • an optical system (2a) for receiving an optical signal; • a Bayer matrix (4) located on the image focal plane of the optical system (2a), the Bayer matrix (1) comprising: a reference optical filter (B1) configured to eliminate or attenuate, in the received optical signal, a first band of wavelengths and to allow through, in the received optical signal, a second band length of wavelengths, and also eight optical filters adjacent to the reference optical filter (B1); • a phase mask (2c, 22, 28) arranged on a pupil (2b) of the optical system (2a) and configured to selectively project at least 98% of the energy of the optical signal carried in the first band of wavelengths and 98% of the energy of the optical signal carried in the second band of wavelengths on the reference optical filter (B1) and on at least one adjacent optical filter, which is configured to allow through, in the received optical signal, the first band of wavelengths.
(FR)
L'invention concerne un capteur d'image comprenant : • un système optique (2a) pour recevoir un signal optique, • une matrice de Bayer (4) située au plan focal image du système optique (2a), la matrice de Bayer (1) comprenant : un filtre optique de référence (B1) configuré pour éliminer ou atténuer dans le signal optique reçu une première bande de longueurs d'onde et pour laisser passer dans le signal optique reçu une deuxième longueur bande de longueurs d'ondes, et par ailleurs huit filtres optiques adjacents au filtre optique de référence (B1), • un masque de phase (2c, 22, 28) agencé sur une pupille (2b) du système optique (2a) et configuré pour projeter au moins 98 % de l'énergie du signal optique transportée dans la première bande de longueurs d'onde et 98 % de l'énergie du signal optique transportée dans la deuxième bande de longueurs d'onde sélectivement sur le filtre optique de référence (B1) et sur au moins un filtre optique adjacent lequel est configuré pour laisser passer dans le signal optique reçu la première bande de longueurs d'onde.
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