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1. (WO2017110261) IMAGING DEVICE, FOCUS CONTROL METHOD, AND FOCUS CONTROL PROGRAM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/110261 International Application No.: PCT/JP2016/082696
Publication Date: 29.06.2017 International Filing Date: 02.11.2016
IPC:
G02B 7/36 (2006.01) ,G02B 7/28 (2006.01) ,G03B 13/36 (2006.01) ,G03B 17/14 (2006.01) ,H04N 5/232 (2006.01)
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7
Mountings, adjusting means, or light-tight connections, for optical elements
28
Systems for automatic generation of focusing signals
36
using image sharpness techniques
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7
Mountings, adjusting means, or light-tight connections, for optical elements
28
Systems for automatic generation of focusing signals
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
13
Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
32
Means for focusing
34
Power focusing
36
Autofocus systems
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
17
Details of cameras or camera bodies; Accessories therefor
02
Bodies
12
with means for supporting objectives, supplementary lenses, filters, masks, or turrets
14
interchangeably
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
222
Studio circuitry; Studio devices; Studio equipment
225
Television cameras
232
Devices for controlling television cameras, e.g. remote control
Applicants:
富士フイルム株式会社 FUJIFILM CORPORATION [JP/JP]; 東京都港区西麻布2丁目26番30号 26-30, Nishiazabu 2-chome, Minato-ku, Tokyo 1068620, JP
Inventors:
潘 毅 PAN Yi; JP
Agent:
高松 猛 TAKAMATSU Takeshi; JP
尾澤 俊之 OZAWA Toshiyuki; JP
Priority Data:
2015-24961822.12.2015JP
Title (EN) IMAGING DEVICE, FOCUS CONTROL METHOD, AND FOCUS CONTROL PROGRAM
(FR) DISPOSITIF D'IMAGERIE, PROCÉDÉ DE COMMANDE DE MISE AU POINT ET PROGRAMME DE COMMANDE DE MISE AU POINT
(JA) 撮像装置、合焦制御方法、及び合焦制御プログラム
Abstract:
(EN) Provided are an imaging device, a focus control method, and a focus control program such that fast and highly accurate focus control can be achieved regardless of the combination with a lens device. This digital camera to which a lens device 40 is detachably attachable comprises: a search control unit 110 for acquiring a captured image signal while moving a focus lens; an evaluation value calculation unit 111 for calculating an evaluation value used to determine a target position on the basis of the acquired captured image signal; a storage unit 12 for storing the maximum frame rate fbody that can be set in the digital camera; and a lens information acquisition unit 114 for acquiring lens performance information from the lens device 40. The search control unit 110 selectively performs either acceleration/deceleration control or constant speed control on the basis of the lens performance information acquired from the lens device 40 and the frame rate fbody stored in the storage unit 12.
(FR) L'invention concerne un dispositif d'imagerie, un procédé de commande de mise au point, et un programme de commande de mise au point tels qu'une commande de mise au point rapide et hautement précise peut être obtenue indépendamment de la combinaison avec un dispositif de lentille. Un appareil photo numérique auquel un dispositif de lentille (40) est fixé de façon amovible comprend : une unité de commande de recherche (110) pour acquérir un signal d'image capturée pendant le déplacement d'une lentille de mise au point ; une unité de calcul de valeur d'évaluation (111) pour calculer une valeur d'évaluation utilisée pour déterminer une position cible sur la base du signal d'image capturée acquis ; une unité de stockage (12) pour stocker la cadence de prise de vues maximale fbody qui peut être réglée dans l'appareil photo numérique ; et une unité d'acquisition d'informations de lentille (114) pour acquérir des informations de performance de lentille provenant du dispositif de lentille (40). L'unité de commande de recherche (110) effectue sélectivement soit une commande d'accélération/décélération soit une commande à vitesse constante sur la base des informations de performance de lentille acquises en provenance du dispositif de lentille (40) et de la cadence de prise de vues (fbody) stockée dans l'unité de stockage (12).
(JA) レンズ装置との組み合わせによらずに常に高速かつ高精度の合焦制御を実現することのできる撮像装置、合焦制御方法、及び、合焦制御プログラムを提供する。レンズ装置40を着脱可能なデジタルカメラは、フォーカスレンズを移動させながら撮像画像信号を取得するサーチ制御部110と、取得された撮像画像信号に基づいて目標位置決定用の評価値を算出する評価値算出部111と、デジタルカメラで設定可能な最大のフレームレートfbodyを記憶する記憶部12と、レンズ性能情報をレンズ装置40から取得するレンズ情報取得部114と、を備える。サーチ制御部110は、レンズ装置40から取得されたレンズ性能情報と、記憶部12に記憶されているフレームレートfbodyと、に基づいて、加減速制御と定速制御とのいずれかを選択的に行う。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
CN108369326US20180299646