baber/WOPTO huggingface dataset:
Patent JP-WO2018147328-A1 (JP)
Title: ゴム用組成物
IPC: C08K3/04
Filed: 2018-02-07
Abstract: エピクロロヒドリン系重合体を用いたゴム材料、及び上記ゴム材料のための組成物を提供するために、エチレンオキシド由来の構成単位を有するエピクロロヒドリン系重合体、カーボンブラックを含有する組成物から得られるエピクロロヒドリン系ゴム材料を見出した。
Patent JP-WO2020003394-A1 (JP)
Title: エレベーターのドアの吊り状態を診断する制御装置
IPC: B66B13/14
Filed: 2018-06-27
Abstract: ドアの吊り状態を容易に把握することができるエレベーターの制御装置を提供する。エレベーターの制御装置は、エレベーターのドアに設けられた複数の投光器の各々が光を発しているときの複数の受光器の各々の受光量を示す情報を記憶する記憶部と、前記記憶部により記憶された情報に対応した受光量に基づいて前記ドアの吊り状態を判定する判定部と、を備えた。当該構成を備えることにより、ドアの吊り状態を容易に把握することができる。
Patent JP-WO2018150945-A1 (JP)
Title: シリコン基板中間研磨用組成物およびシリコン基板研磨用組成物セット
IPC: B24B37/00
Filed: 2018-02-06
Abstract: シリコン基板の仕上げ研磨工程より上流の工程で用いられて、仕上げ研磨工程後において高品位の表面を効果的に実現し得る研磨用組成物を提供する。本発明によると、中間研磨工程と仕上げ研磨工程とを含むシリコン基板の研磨プロセスにおいて上記中間研磨工程に用いられる中間研磨用組成物が提供される。上記中間研磨用組成物は、砥粒Ａ１と、塩基性化合物Ｂ１と、表面保護剤Ｓ１とを含む。上記表面保護剤Ｓ１は、重量平均分子量が３０×１０４より高い水溶性高分子Ｐ１を含み、さらに、分散剤Ｄ１を含み、かつ分散性パラメータα１が８０％未満である。
Patent WO-2020144727-A1 (WO)
Title: Dispositif d'identification de mouvement, procédé d'identification de mouvement et programme d'identification de mouvement
Inventor: KUSANO KATSUHIRO
IPC: G06T7/20
Filed: 2019-01-07
Abstract: L'invention concerne un dispositif d'identification de mouvement (10) dans lequel une unité d'acquisition d'image (21) acquiert des données d'image d'un sujet. Une unité d'extraction de squelette (22) extrait, à partir des données d'image acquises par l'unité d'acquisition d'image (21), des informations cibles qui sont des informations de squelette représentant une posture du sujet, telles que les coordonnées d'une pluralité d'articulations. Une unité d'enregistrement d'informations de mouvement (23) identifie, en tant que contenu du mouvement exécuté par le sujet, un contenu de mouvement indiqué par des informations de mouvement qui sont des informations de squelette similaires aux informations cibles extraites par l'unité d'extraction de squelette (22).
Patent WO-2019151048-A1 (WO)
Title: High-carbon hot-rolled steel sheet and method for manufacturing same
Inventor: MIYAMOTO YUKA
IPC: C21D9/46
Filed: 2019-01-22
Abstract: The purpose of the present invention is to provide: a high-carbon hot-rolled steel sheet having superior cold workability and superior hardenability (in terms of immersion quenching and carburizing quenching); and a method for manufacturing the same. Provided is a high-carbon hot-rolled steel sheet: that has a composition containing, in terms of % by mass, 0.10% or more and less than 0.20% of C, 0.5% or less of Si, 0.25-0.65% of Mn, 0.03% or less of P, 0.010% or less of S, 0.10% or less of sol.Al, 0.0065% or less of N, 0.05-0.50% of Cr, 0.0005-0.005% of B, and the balance made up of Fe and unavoidable impurities; that has a microstructure formed of ferrite and cementite; in which, furthermore, the proportion of the quantity of cementite having a circle-equivalent diameter of 0.1 μm or less is 12% or less relative to the total quantity of cementite; in which the quantity of Cr dissolved in the steel sheet is 0.03-0.50%; and in which the hardness is 73 or less in terms of HRB and the total elongation is 37% or greater.
Patent WO-2019163375-A1 (WO)
Inventor: MATSUMOTO AKINORI
IPC: A61B5/0484
Filed: 2019-01-23
Abstract: 生体信号計測装置（１０ｂ）は、第一トリガパルスを出力する第一パルス発生器（５６ａ）と、生体に接触する第一電極によって検出される生体信号が入力される第一増幅回路（５２ａ）と、第一パルス発生器（５６ａ）の出力端子及び第一増幅回路（５２ａ）の入力端子を容量結合する、第一トリガパルスを生体信号に重畳するための第一容量素子（５９ａ）とを備える。
Patent WO-2020161858-A1 (WO)
Inventor: KUTSUZAWA Kodo
IPC: G06Q50/10
Filed: 2019-02-07
Abstract: 因子スコアデータ取得部６３は、性格分析用の質問に対する対象者の回答に基づいて特定される所定の複数の性格因子のスコアを示す因子スコアデータを取得し、対象者特性特定部６４は、因子スコアデータに基づいて、スコアが所定のローレベル範囲である性格因子をローレベル特性として特定し、スコアが所定のハイレベル範囲である性格因子をハイレベル特性として特定する。支援フレーズ選択部６５は、所定の記憶装置に記憶されている支援フレーズデータ５１における複数の支援フレーズから、対象者のローレベル特性の性格因子およびハイレベル特性の性格因子に基づいて支援フレーズを選択し、支援フレーズ出力部６６は、選択された支援フレーズを出力する。
Patent WO-2020183585-A1 (WO)
Title: Display device
Inventor: MURATA KOJI
IPC: H05B33/22
Filed: 2019-03-11
Abstract: The present invention comprises: a TFT layer (4); a light emitting element layer (5) that includes a first electrode, a light emitting layer, and a second electrode; a wavelength conversion layer (43) that is formed as a layer above the light emitting element layer and converts the color of the light from the light emitting layer; a dielectric layer (45) that is formed as a layer above the wavelength conversion layer; and a particle layer (47) that is formed as a layer above the dielectric layer and that includes metal nanoparticles (NP) each having a core and a shell around the core.
Patent WO-2019181815-A1 (WO)
Title: 加工機の安全装置
Inventor: AOKI TAKAYUKI
IPC: B21D55/00
Filed: 2019-03-18
Abstract: 加工機における移動体（上部テーブル１）における、移動体の移動方向と直交する方向の一方の側に侵入物検出装置（２０）が取り付けられている。侵入物検出装置（２０）は、投光部、受光部、距離算出部、動作許可信号出力部を備える。投光部は、移動体と固定体（下部テーブル２）との間に高周波信号に基づき高周波光を投光する。受光部は入射される光に基づいて受光信号を生成する。距離算出部は、移動体と固定体との間に侵入物が存在するとき、侵入物検出装置（２０）から侵入物までの距離を算出する。動作許可信号出力部は、距離算出部が算出した距離が予め設定されている基準距離以内でなければ、加工機の動作を許可する動作許可信号を出力し、基準距離以内であれば、動作許可信号の出力を停止する。
Patent WO-2020066072-A1 (WO)
Inventor: MACHII KIMIYOSHI
IPC: G06T7/60
Filed: 2019-03-18
Abstract: A sectioning line recognition device is provided with: a movement amount estimation unit for estimating a movement amount of a vehicle; a sectioning line position estimation unit for estimating a position of a white line candidate from each image taken by a plurality of cameras; a sectioning line candidate selection unit for selecting at least one of a plurality of white line candidates on the basis of changes in the movement amount of the vehicle and the position of the white line candidate; a sectioning line position decision unit for deciding a current position of a sectioning line from among the selected white line candidates; and a reference position setting unit for setting a reference position of the sectioning line on the basis of the movement amount of the vehicle and the position of the sectioning line decided before a lapse of the time, wherein the sectioning line position decision unit decides, as the current position of the sectioning line, the white line candidate closest to the reference position set by the reference position setting unit.
Patent WO-2019198488-A1 (WO)
Title: Pressure-sensitive adhesive, pressure-sensitive adhesive sheet, and method for manufacturing hydroxyl-terminated urethane prepolymer
Inventor: SAITO SHUHEI
IPC: C09J7/38
Filed: 2019-03-26
Abstract: The present invention provides a pressure-sensitive adhesive that has excellent pot life and excellent initial curability, and that is capable of forming a pressure-sensitive adhesive layer which has excellent wettability and adhesion to materials, and which has good removability even if left under a high-temperature/high-humidity environment. This pressure-sensitive adhesive includes: a hydroxyl-terminated urethane polymer (UPH), which is a product of reaction between one or more species of polyisocyanate (N) and multiple species of active hydrogen group-containing compounds (HX) that contain polyether polyol (HA) having a number average molecular weight of 1,650 or more per functional group and an active hydrogen group-containing compound (HB) having a number average molecular weight of 300 or less per functional group; and a polyfunctional isocyanate compound (I). The active hydrogen group-containing compound (HB) includes an active hydrogen group-containing compound that contains only a primary hydroxyl group as the active hydrogen group.
Patent WO-2019203300-A1 (WO)
Title: Heat-transfer-tube support structure, and method for supporting heat transfer tube
Inventor: ISHIKAWA MASAYUKI
IPC: F28F9/013
Filed: 2019-04-18
Abstract: Provided is a heat-transfer-tube support structure with which it is possible to completely suppress damage to support members and damage to heat-transfer-tube fins that is caused by vibration of a heat-transfer-tube panel. A heat-transfer-tube support structure provided with a heat-transfer-tube panel 30 in which a plurality of heat transfer tubes 31 extending vertically are arranged in a staggered manner, and support members 35 that bundle the heat transfer tubes 31 in the horizontal direction, a plurality of the support members 35 being provided at prescribed intervals in the vertical direction of the heat-transfer-tube panel 30, wherein the heat-transfer-tube support structure is configured to be provided with: first reinforcing plates 38 disposed in an inclined direction in gaps between the heat transfer tubes 31; second reinforcing plates 39 disposed in an inclined direction in the gaps between the heat transfer tubes 31 so as to intersect the first reinforcing plates 39; and linking members 40 that secure one-end sides of each of the first reinforcing plates 38 and the second reinforcing plates 39 to the support members 35.
Patent WO-2019216315-A1 (WO)
Title: Inorganic wave plate and manufacturing method therefor
Inventor: TAKADA AKIO
IPC: G02B5/30
Filed: 2019-05-07
Abstract: Provided is a structural birefringence-type inorganic wave plate having excellent heat resistance and durability, and a fine pattern. Also provided is a manufacturing method for an inorganic wave plate by which, even in the case of a fine pattern, productivity is high, and a desired phase difference is easily achieved and stably obtained. This inorganic wave plate is obtained by utilizing a selective interaction between a polymer having a repeating unit containing a carbonyl group, and a metallic oxide precursor, the inorganic wave plate having a wire grid structure provided with a transparent substrate, and grid-shaped protruding portions arranged at a pitch shorter than the wavelength of light in a used band on at least one surface of the transparent substrate and extending in a predetermined direction, the main component of the grid-shaped protruding portion being a metallic oxide.
Patent WO-2019221251-A1 (WO)
Inventor: YUKAWA KINJI
IPC: G01M13/04
Filed: 2019-05-16
Abstract: La présente invention porte sur un dispositif de surveillance d'état de roulement, comprenant : un capteur qui détecte un signal basé sur la valeur de contrainte d'une bague intérieure, d'une bague extérieure, d'un arbre ou d'un boîtier, ou sur une vibration ou un son produit par un roulement ; une unité de traitement de forme d'onde qui effectue une analyse de fréquence du signal, et calcule des données de spectre ; et une unité arithmétique qui compare une fréquence dans laquelle apparaît un pic des données de spectre avec une fréquence théorique sur la base de la rotation et de la révolution d'un élément roulant quand aucun glissement n'est généré entre l'élément roulant et les bagues intérieure et extérieure du roulement, et qui calcule la variation du nombre de rotations et la variation du nombre de révolutions de l'élément roulant du roulement.
Patent WO-2020234914-A1 (WO)
Inventor: YOKOI TAKANORI
IPC: B66B25/00
Filed: 2019-05-17
Abstract: Provided is a static braking torque measurement device for an escalator capable of measuring the static torque for braking for each of a plurality of drive units individually. This static braking torque measurement device for escalators comprises a control device that controls the braking action and the motor drive for each of a plurality of drive units, a slip detection unit that detects that a brake is slipping, and a torque measurement unit that measures the torque generated in the motor. The control device selects brakes from the plurality of drive units one by one and drives all of the motors in the plurality of drive units with the selected brake being in a braking state and all brakes other than the selected brake being in the released state. The control device sets, as the static torque, the torque generated in the motor that is measured by the torque measurement unit when the slip detection unit detects that the brake is slipping.
Patent WO-2019225538-A1 (WO)
Title: Machine tool monitoring device
Inventor: YAMADA TOMOAKI
IPC: G05B19/418
Filed: 2019-05-20
Abstract: Provided is a machine tool monitoring device 10 provided with: a machine tool monitoring unit 12 which acquires machine tool information relating to the state of machine tools 20a to 20d; and a preliminary operation instruction unit 14 which determines a preliminary operation on the basis of the machine tool information, and sends an instruction for the preliminary operation to the machine tools 20a to 20d. In this way, it is possible to achieve efficient operation of the machine tools using the time before operation effectively.
Patent WO-2020003833-A1 (WO)
Title: Cell culture method, method for producing product, and cell culture device
Inventor: NAKAI SHINICHI
IPC: C12M1/04
Filed: 2019-05-24
Abstract: To provide: a cell culture method which comprises using a culture container housing a cell suspension containing cells, and culturing the cells by releasing a gas containing 30 vol% or more of oxygen to the cell suspension from a sparger disposed in the culture container, wherein the average pore size of a gas releasing part of the sparger is 1-300 μm inclusive, and the surface area (A m 2 ) of the gas releasing part of the sparger, the amount (X m 3 ) of the cell suspension in the culture container and the flow rate (Q m 3 /min) of the gas released from the sparger satisfy a specific relationship; a method for producing a product, said method comprising the cell culture method; and a cell culture device which makes it possible to carry out the cell culture method.
Patent WO-2020003859-A1 (WO)
Inventor: UCHIDA ATSUSHI
IPC: G06F16/28
Filed: 2019-05-28
Abstract: 情報検索に係るキーワード（１０１）から鍵付ハッシングを用いて算出したハッシュ値を所定長のビット列にマッピングした暗号化ビット列（１０２）を生成し、動的に生成された乱数（１０３）に基づいて、前記暗号化ビット列から所定の数のビットを選択し、選択した前記所定の数のビットを反転し、前記暗号化ビット列、およびビット反転部（１５）が反転したビットの数を示す反転ビット数情報を外部装置に送信する情報処理装置が提供される。
Patent WO-2020008828-A1 (WO)
Inventor: TODA TOSHIYUKI
IPC: C07D263/57
Filed: 2019-06-13
Abstract: Le problème à résoudre par la présente invention concerne la fourniture : d'un composé diamine qui ne se décolore pas, non seulement immédiatement après la production mais même lorsqu'il est stocké pendant une période prolongée ; et d'un procédé de production du composé diamine. La présente invention concerne un composé diamine ayant une structure benzoxazole dont la teneur en soufre est de 1 à 100 ppm, la quantité totale d'intermédiaires et de produits solvolysés est de 0,01 à 1 % en masse, et la pureté est de 99 % en masse ou plus.
Patent WO-2019244814-A1 (WO)
Inventor: UKON TETSUYA
IPC: C01B13/02
Filed: 2019-06-17
Abstract: A concentrated gas supply device (10) according to the present invention is provided with a gas concentrator (11) which comprises: take-in units (13, 14) which take in the air from both the inside and the outside of a room at the same time; a gas concentration unit (15) which produces a concentrated gas from the air taken in by the take-in units (13, 14), said concentrated gas being increased in the concentration of a predetermined gas component; and an air supply unit (16) which supplies the thus-produced concentrated gas to the inside of the room.
Patent WO-2019244970-A1 (WO)
Title: 印刷用塗工紙
Inventor: KAKINOKI SHIORI
IPC: D21H19/82
Filed: 2019-06-20
Abstract: 原紙の少なくとも片面に顔料塗工層を備え、　最外顔料塗層が０．５０μｍより大きく０．８０μｍ以下の平均粒子径（Ｄ５０）を有する炭酸カルシウムを含み、白紙光沢度（７５°）が６０％以上である、印刷用塗工紙。
Patent WO-2020194774-A1 (WO)
Inventor: MINAMIRU Takeshi
IPC: G01S17/88
Filed: 2019-07-04
Abstract: 発光装置は、第１の発光素子チップと、第１の発光素子チップよりも光出力が大きく、第１の発光素子チップと独立して駆動するよう構成され、第１の発光素子チップと横並びで配置された第２の発光素子チップと、第１の発光素子チップの出射経路上に設けられた第１の領域と、第２の発光素子チップの出射経路上に設けられた第２の領域とを有し、第１の領域の拡散角よりも第２の領域の拡散角の方が大きい光拡散部材と、を備える。
Patent WO-2020009206-A1 (WO)
Title: Coin-type battery and manufacturing method for same
Inventor: TAGAWA Hirofumi
IPC: H01M50/147
Filed: 2019-07-04
Abstract: Provided are a coin-type battery that has high capacity and excellent reliability by virtue of enlarging an accommodation space for accommodating an electrode body without impairing the sealing performance, and a manufacturing method for the same. A coin-type battery 1 comprises: a positive electrode can 10; a negative electrode can 20; a resin film 30 that is at least partially disposed between a peripheral wall part 12 of the positive electrode can 10 and a side wall part 22 of the negative electrode can 20; and a power generation element 40. The resin film 30 is an annular body comprising: a film peripheral wall part 31 that is formed in a cylindrical shape and is disposed between the peripheral wall part 12 of the positive electrode can 10 and the side wall part 22 of the negative electrode can 20; and a film bottom section 32 that is disposed between a bottom surface section 11 of the positive electrode can 10 and an open end section 23 of the side wall part 22 of the negative electrode can 20.
Patent WO-2020013125-A1 (WO)
Title: Injection instrument set
Inventor: KANAZAWA HIDEAKI
IPC: A61M5/32
Filed: 2019-07-08
Abstract: This injection instrument set is provided with a tubular injection instrument in which an injection liquid is contained, and a guide member arranged on a surface of an object for injection of the injection liquid. The injection instrument comprises an injection needle which is inserted into the object for injection to inject the injection liquid into the object for injection. The guide member includes: a guide passageway which is disposed at a predetermined angle with respect to a surface of the guide member abutting on the object for injection, and which allows the injection needle to be inserted and guided onto the surface of the object for injection; and an anti-slip portion arranged at a portion abutting on the surface of the object for injection.
Patent WO-2020026777-A1 (WO)
Inventor: TORIKAI Kohei
IPC: F16K5/02
Filed: 2019-07-12
Abstract: Ce robinet d'arrêt comprend au moins deux corps de tuyau, une partie de corps principal de robinet d'arrêt reliant les corps de tuyau, et un élément d'étanchéité fixé à la partie de corps principal de robinet d'arrêt. L'élément d'étanchéité a une partie de maintien qui maintient un échantillon, et déplace l'échantillon d'un côté de corps de tuyau à un autre côté de corps de tuyau.
Patent WO-2020017478-A1 (WO)
Inventor: NAGAI KIYOSHI
IPC: C04B35/491
Filed: 2019-07-13
Abstract: Le problème décrit par la présente invention est de fournir un corps moulé en matériau piézoélectrique poreux ayant une utilité élevée en tant qu'élément constitutif d'un vibreur piézoélectrique approprié pour, en particulier, une sonde d'un dispositif de diagnostic médical à ultrasons. La solution selon l'invention porte sur un corps moulé en matériau piézoélectrique poreux dans lequel sont dispersés et formés au moins 1000 millimètres cubes de pores sphériques ayant un diamètre de pore moyen s'inscrivant dans une plage de 2 à 70 µm. Le corps moulé en matériau piézoélectrique poreux est caractérisé en ce que les pores sphériques ne comprennent sensiblement pas de pores ayant un diamètre de pore supérieur à 50 µm, et en ce que les pores occupant 80 %, ou plus, de l'ensemble du volume des pores constituant les pores sphériques ont un diamètre de pore correspondant à ± 20 % du diamètre de pore moyen.
Patent WO-2020027071-A1 (WO)
Inventor: ARAKI KENJIRO
IPC: G03F7/029
Filed: 2019-07-29
Abstract: 支持体と、画像記録層と、オーバーコート層と、をこの順で有し、上記画像記録層が、バインダーポリマー、及び、ＳＰ値が１８．０未満の化合物Ａを含み、上記バインダーポリマーが、芳香族ビニル化合物により形成される構成単位、及び、アクリロニトリル化合物により形成される構成単位を有し、上記オーバーコート層の膜厚が、上記画像記録層の膜厚よりも厚い機上現像型平版印刷版原版、上記機上現像型平版印刷版原版を用いた平版印刷版の製版方法、及び、上記機上現像型平版印刷版原版を用いた平版印刷方法。
Patent WO-2020049905-A1 (WO)
Title: Frictional coefficient prediction method, aluminum metal plate production method, molded aluminum body production method and aluminum metal plate
Inventor: NAKANISHI HIRONOBU
IPC: B21B1/00
Filed: 2019-07-31
Abstract: According to one aspect of the present invention, the frictional coefficient prediction method for an aluminum metal plate surface uses the skewness Rsk and the arithmetic mean roughness Ra of the surface to predict the frictional coefficient μ via formula (1).
(1) μ = a + b × Ra + c × Rsk ···
In the formula, a, b and c represent constants
Patent WO-2020032240-A1 (WO)
Title: Advertisement output method and advertisement distribution system
Inventor: YAMAUCHI MASAKI
IPC: G06Q30/02
Filed: 2019-08-09
Abstract: Provided is a method for outputting an advertisement in an indoor space using an advertisement distribution system (300A) comprising a processor (301A) and a memory (302A), wherein information pertaining to the attributes of each of a plurality of advertisements is stored in the memory (302A), and the processor (301A) (a) acquires an attribute of the indoor space acquired with a sensor (104) positioned in the indoor space or an attribute of the indoor space stored in the memory (302A) (S310), (b) accepts a bid price for a first advertisement included in the plurality of advertisements (S320), (c) calculates an evaluated price in which the bid price is changed according to the degree of congruence between the attribute of the first advertisement stored in the memory (302A) and the attribute of the indoor space (S330), (d) determines the advertisement to be outputted from the plurality of advertisements on the basis of the evaluated price (S340), and (e) outputs an instruction to output the determined advertisement in the indoor space (S350).
Patent WO-2020045272-A1 (WO)
Inventor: NARUSUE YOSHIAKI
IPC: H04B10/516
Filed: 2019-08-23
Abstract: L'invention concerne un procédé de modulation optique innovant dans lequel une couleur de signal optique est amenée à passer de façon cyclique entre une pluralité prescrite de couleurs 1–n durant une période de symbole T sym . La couleur principale de chaque période de symbole T sym  est sélectionnée parmi la pluralité de couleurs 1–n , sur la base de données de transmission.
Patent WO-2020050106-A1 (WO)
Title: Dispersing auxiliary agent for suspension polymerization and method for producing vinyl resin
Inventor: WATANABE WATARU
IPC: C08F218/08
Filed: 2019-08-27
Abstract: Provided is a dispersing auxiliary agent for suspension polymerization having excellent handling properties in which, when the dispersing auxiliary agent for suspension polymerization is used for the suspension polymerization of a vinyl compound, coarse particles are less formed and vinyl resin particles having high plasticizer absorbability can be obtained. This dispersing auxiliary agent for the suspension polymerization of a vinyl compound, contains a vinyl ester polymer having an acid value (KOH mg/g) of 5-100 (exclusive of 100).
Patent WO-2021049033-A1 (WO)
Inventor: YAMAMOTO KENSUKE
IPC: G06F12/00
Filed: 2019-09-13
Abstract: Selon ‌un‌ ‌mode‌ ‌de‌ réalisation,‌ ‌la‌ présente invention ‌concerne‌ un système de mémoire qui émet des signaux de validation de lecture RE et /RE, pendant un temps d'attente t WHR2  qu'un processus met pour émettre des signaux à un contrôleur, et fournit, à partir d'un circuit de sortie, des données factices prédéfinies dans des signaux DQS et /DQS et un signal DQ.
Patent WO-2021053789-A1 (WO)
Title: Visibility estimation device, visibility estimation method, and recording medium
Inventor: SAKAINO HIDETOMO
IPC: G01C3/00
Filed: 2019-09-19
Abstract: Provided are, inter alia, a visibility estimation device with which it is possible to estimate visibility without needing a special measurement device.　An image in which the outdoors is photographed by a photographing means C is acquired (S1); a transmission map for light and environmental light is estimated from the image, and a sharpened image obtained by sharpening the image is generated on the basis of the transmission map for light and environmental light (S2); an object is recognized from the sharpened image, and an image scale of the object is converted to a physical scale of the object on the basis of information pertaining to the actual scale of the recognized object (S5); the depth-direction distance to the object is calculated from a depth-direction component of the physical scale of the object (S6); a relational expression relating the transmission map and the distance from the photographing means is applied to the image to calculate an atmospheric light attenuation parameter (S8, S20); and visibility is calculated from the depth-direction distance on the basis of a relational expression in which the calculated light attenuation parameter is adapted.