Abstract: [Object] To analyze a strain of a biological sample more accurately. [Solution] Provided is an information processing device including: a setting unit configured to set at least one region of interest from one captured image constituting a dynamic image for a biological sample; an analysis object specifying unit configured to specify an analysis object for the at least one region of interest; a detection unit configured to detect a motion of the analysis object in the dynamic image; and an analysis unit configured to analyze a strain of the biological sample related to the at least one region of interest on a basis of the detected motion of the analysis object.

Abstract: A detection device includes: a detector that detects an object from a first viewpoint; an information calculator that calculates first model information including shape information on the object from the first viewpoint by using detection results of the detector; a light source calculator that calculates light source information on the light source by using a first taken image obtained by imaging a space including a light source that irradiates the object with illumination light and including the object; and a position calculator that calculates a positional relation between the first viewpoint and the object by using the light source information as information used to integrate the first model information and second model information including shape information obtained by detecting the object from a second viewpoint different from the first viewpoint.

Abstract: Methods and systems for capturing motion and/or determining the shapes and positions of one or more objects in 3D space utilize cross-sections thereof. In various embodiments, images of the cross-sections are captured using a camera based on reflections therefrom or shadows cast thereby.

Abstract: The present disclosure relates to a method for generating a monochrome permutation structured-light pattern and a structured-light system using the method, and the method for generating a monochrome structured-light pattern that is represented with two or more luminous intensities of a single color includes selecting two different luminous intensities of a single color, generating a stripe for each selected luminous intensity, apart from the two luminous intensities selected previously, generating at least one combination stripe by combining regions of two or more different luminous intensities that are identical to or different from the previously selected two luminous intensities, generating permutations using the generated stripes as elements, setting each permutation as a subpattern, and introducing permutation overlapping into the set subpatterns to generate a monochrome structured-light pattern in which each subpattern is connected in sequential overlapping manner.

Abstract: A deformation processing system acquires target shape data of a work including a reference line, acquires intermediate shape data from the work having an intermediate shape having a reference line drawn thereon, puts these two pieces of data side by side by positioning the reference lines relative to each other, and calculates a necessary deformation amount of the work based on the difference between the two pieces of data put side by side.

Abstract: A height measurement apparatus comprising an array of differential pressure sensors, each differential pressure sensor comprising a reference outlet and a measurement outlet, the reference outlet being a predetermined distance from a reference surface, and each differential pressure sensor further comprising an inlet configured to provide pressurized gas for the reference outlet and the measurement outlet. A flexible membrane is positioned such that a reference side of the flexible membrane is in fluid communication with the reference outlet and a measurement side of the flexible membrane is in fluid communication with the measurement outlet. The flexible membrane is configured to move when a pressure change occurs at the measurement outlet and a detector is configured to monitor the movement of the flexible membrane.

Abstract: The purpose of the present invention is to provide an overlay error measurement device that is capable of accurately recognizing patterns and executing overlay error measurement, even when one pattern overlaps with another pattern in some areas but not in others. In order to do so, the present invention provides an overlay error measurement device provided with a calculating device for calculating overlay error. The overlay error measurement device is provided with an image designation device for designating a plurality of regions demarcated by luminance borders on an image. The calculating device recognizes, as a first pattern, a region in an image to be measured, corresponding to the plurality of regions demarcated by luminance borders, and uses the recognized first pattern to measure overlay error.

Abstract: The present disclosure provides a positioning device, including a laser projector, and a servo system for driving the laser projector and collecting a coordinate data. The present disclosure further provides a positioning method and a color film coating machine, including a warehouse and a marble platform arranged in the warehouse, wherein further includes a positioning device, the positioning device includes a laser projector and a servo system for driving the laser projector and collecting a coordinate data, a projection direction of the laser projector is opposite to a surface of the marble platform. Compared with the prior art, by knowing the current position of the laser projector to output the corresponding coordinates, the corresponding target foreign objects can be quickly found on the marble platform according to the coordinates, cleared in time, the inspection time is saved, and the product yield is improved.

Abstract: A stereo camera apparatus 10 includes: a first imaging unit 11R including an imaging optical system 14R provided with a plurality of lens groups, and an actuator 16R configured to change a focal length by driving at least one of the plurality of lens groups of the imaging optical system 14R; a second imaging unit 11L including an imaging optical system 14L provided with a plurality of lens groups, and an actuator 16L configured to change a focal length by driving at least one of the plurality of lens groups of the imaging optical system 14L; a focal length controller 21 configured to output synchronized driving signals to the actuators 16R and 16L; and an image processing unit 22 configured to calculate a distance to a subject by using images captured by the first imaging unit 11R and the second imaging unit 11L.

Abstract: An object detection system for a motor vehicle is proposed. The system includes an array of electroluminescent light sources, an array of light sensors and a calculating unit. At least one of the electroluminescent light sources is able to emit a signal. At least one of the sensors is able to receive the emitted signal that has been reflected by an object. The calculating unit is able to calculate, by triangulation, the position of the object on the basis of the position, in one of the arrays of electroluminescent light sources, of at least one of the electroluminescent light sources able to emit a signal and on the basis of the position, in one of the arrays of light sensors, of at least one of the sensors able to receive the signal reflected by the object.

Abstract: A tilt switch based on differential threshold sensing includes a tilt track (such as a tilt tube), and a tilt/target element moveable along the tilt track by gravity between first/second ends based on tilt angle. An inductive sensor includes first/second sense coils at the ends of the tilt track, and sensor circuitry (a) to drive each sense coil to project a magnetic sensing field, and to measure a differential sensor to a position of the tilt/target element relative to the sense coils, based on a property corresponding to sense coil inductance (for example, relative to a pre-defined switching threshold position), and (b) to provide, in response to the differential sensor response, a tilt switch output corresponding to a tilt angle of the tilt track based on a position of the tilt/target element relative to the sense coils (or switching threshold), for example, with a pre-defined hysteresis.

Abstract: The invention relates to a silicon-based micro-machined vibratory gyroscope with an I-shaped structure, which is a measuring instrument used for measuring the angular rate perpendicular to a base, and comprises a top monocrystalline silicon, a middle monocrystalline silicon, and a bottom monocrystalline silicon; the top monocrystalline silicon being arranged with signal input and output lines is the silicon micro gyroscope packaged cover plate; the middle monocrystalline silicon is where the gyroscope mechanical structures are fabricated; the bottom monocrystalline silicon is a gyroscope substrate with fixed pedestals; the middle monocrystalline silicon layer is sealed in a closed cavity formed by top and bottom monocrystalline silicon layers.

Abstract: An angular rate sensor includes four Coriolis masses, configured such that the Coriolis masses move along perpendicular drive and sense axes, and a lever mechanism having first and second sets of levers. The first set of levers is coupled outside a boundary of the Coriolis masses, and the second set of levers is coupled within a boundary of the first set of levers and between the Coriolis masses. The second set of levers is configured to produce an anti-phase drive mode motion of the Coriolis masses along the drive axis. The first set of levers is configured to allow an anti-phase sense mode motion of the Coriolis masses along the sense axis responsive to the angular rate sensor rotating around an input axis that is perpendicular to the drive and sense axes. The first and second sets of levers are configured to constrain an in-phase motion of the Coriolis masses.

Abstract: In one embodiment, a method is provided. The method comprises transmitting a first laser pump signal to an optical resonator; adjusting a frequency of the first laser pump signal; generating a first order Stokes signal from the first laser pump signal in an optical resonator; measuring a first beat signal frequency; ceasing transmission of the first laser pump signal to the optical resonator; transmitting a second laser pump signal to the optical resonator; adjusting a frequency of the second laser pump signal; generating a first order Stokes signal from the second laser pump signal in the optical resonator; and measuring a second beat signal frequency; ceasing transmission of the second laser pump signal to the optical resonator.

Abstract: A method and system obtaining positioning data from an object traveling on a plurality of routes; mapping the data into a plurality of points on a digital map; identifying points that are unmatched to the stored route trajectory; obtaining candidate transition points from the unmatched points; aggregating the candidate transition points by applying a clustering algorithm; selecting a first cluster of points and a plurality of second clusters of points, determining a confidence level that the first cluster of points are transition points indicating a transition between the routes, classifying the first cluster of points as a first plurality of traveling points having a first direction in response to the confidence being below a threshold confidence and automatically adjusting the stored route trajectory to indicate that the first cluster of points are on the route trajectory.

Abstract: Some precision guidance systems and methods for detecting the position and orientation of one or more magnetic sources are disclosed. The precision guidance system can include a magneto-optical defect center sensor and a controller. The controller can be configured to detect one or more axial components of a magnetic source. Each of the one or more axial components can have a unique, predetermined magnetic signature. The controller can determine a position and orientation of the magnetic source based on the one or more axial components and output the determined position and orientation of the magnetic source to a guidance system.

Abstract: A vehicle-positioning aid includes a field unit and a cab unit. The field unit is configured to generate a vehicle-contact signal when contacted by a vehicle and to wirelessly transmit a signal indicative that the field unit has be contacted by a vehicle. The cab unit is configured to provide the vehicle operator with an indication that the vehicle has contacted the field unit; for example, by emitting a particular sound pattern. The operator places the vehicle-positioning aid at a desired location on, for example, a work site, and is able to position the vehicle at the desired location by moving the vehicle until it contacts the field unit. Thus, the operator is able to position the vehicle at a desired spot without the need for other workers (spotters) to monitor the blind spots and relay information to the operator.

Abstract: Aspects of the disclosure relate to processing remotely captured sensor data. A computing platform having at least one processor, a communication interface, and memory may receive, via the communication interface, from a user computing device, sensor data captured by the user computing device using one or more sensors built into the user computing device. Subsequently, the computing platform may analyze the sensor data received from the user computing device by executing one or more data processing modules. Then, the computing platform may generate trip record data based on analyzing the sensor data received from the user computing device and may store the trip record data in a trip record database. In addition, the computing platform may generate user record data based on analyzing the sensor data received from the user computing device and may store the user record data in a user record database.

Abstract: A method of providing route information to a plurality of users by means of a data processing device is disclosed. In one embodiment, the method comprises: receiving a first location and a second location; analysing mapping services and/or geographical or other databases or information and thereby determining a pair of routes, each route comprising a start point, an end point and a defined path from the start point to the end point, the step of analysing comprising determining the routes such that (a) a first one of the routes is in the vicinity of the first location and a second one of the routes is in the vicinity of the second location and (b) the routes are of comparable difficulty for the users to complete; and providing the first route to a first one of the users and providing the second route to a second one of the users. These and other embodiments are disclosed herein.

Abstract: A method for operating a navigation system of a vehicle includes providing one or more dedicated route options, transmitting a first signal for requesting one or more route options to a vehicle-external data processing device, and receiving a second signal from the vehicle-external data processing device, where the second signal identifies one or more route options provided by the vehicle-external data processing device for route calculation. The method also includes outputting at least one of the dedicated route options and at least one of the route options identified in the second signal, and detecting at least one input of a user of the navigation system corresponding to a selected one of the outputted route options.

Abstract: A system for usage guidance using wireless communication includes a receiver configured to wirelessly receive a first signal from a transmitter, and a portable computing device coupled to the receiver and designed and configured to parse the first signal for at least a textual element, extract, from the at least a textual element, a unique transmitter identifier, provide a user identifier, receive a first data record including a first user-specific datum from a first database as a function of the user identifier, receive a second data record including a first item-specific datum from a second database as a function of the unique identifier, and generate a user-specific usage sequence as a function of the first user-specific datum and the first item specific datum. The system includes a user output component coupled to the portable computing device and configured to provide the user-specific usage sequence to the user.

Abstract: A method for providing recorded anonymized routes, wherein a route is a spatial movement of an object from a starting point to a destination point via successive waypoints, which movement is recorded by means of a position indication for each waypoint and is anonymized by removing object-identifying data, having the steps of: capturing more than one route, wherein each captured route has at least one waypoint or at least one overlapping partial route of adjacent waypoints in common with at least one other captured route, segmenting each route into at least two partial routes comprising at least one overlapping partial route or a common waypoint, storing each individual partial route of each captured route in a single data record for each partial route, and outputting the captured routes only in the form of the partial-route-specific data records. In addition, an apparatus which carries out the method.

Abstract: A method and an apparatus for localizing and automatically operating a vehicle, including the task of detecting environmental data values that represent an environment of the vehicle, the environment of the vehicle including at least one interfering object; determining an environment class of the environment of the vehicle; determining a high-accuracy position of the vehicle based on the environmental data values, at least one filter being applied to filter the at least one interfering object out of the environmental data values, the at least one filter being selected as a function of the environment class, and the high-accuracy position being determined after the at least one interfering object is filtered out; and automatically operating the vehicle as a function of the high-accuracy position.

Abstract: Systems and methods are presented for sequencing locations and events and determining routing and itineraries for the sequence. In some embodiments the system may receive a starting location, a first location, and a second location in a default order. The system may determine a sequence from the starting location for the first location and the second location. The system may generate a route for the sequence with the route having transportation directions between the starting location, the second location, and the first location indicative of the sequence. The system may display the route in a graphical user interface of an application.

Abstract: A database comprising data associated with one or more routes is maintained. The data associated with the one or more routes comprises difficulty level data for utilizing one or more mobility assistive tools to traverse the one or more routes. In response to receiving a query from a given computing device, one or more amounts of physical exertion for a given user to traverse at least a portion of the one or more routes utilizing a given mobility assistive tool are predicted. One or more routes for the given user to traverse are selected based at least in part on the predicted amounts of physical exertion. One or more contextual factors of the given user are estimated to at least one of optimize and prioritize the selected one or more routes for the given user based on analyzing user data.

Abstract: An apparatus comprising a processor and memory including computer program code, the memory and computer program code configured to, with the processor, enable the apparatus at least to: generate an indication of one or more communication network receiver upload zones for a road data gatherer along a planned route to be traveled by the road data gatherer, the indication determined according to a predetermined upload criterion, which takes account of the bandwidth capacities of communication network receivers along the planned route for the road data gatherer, to specify communication network receivers to be used by the road data gatherer for uploading of road data; and provide the indication to guide uploading of the road data gathered by the road data gatherer.

Abstract: Aspects of the disclosure relate to processing remotely captured sensor data. A computing platform having at least one processor, a communication interface, and memory may receive, via the communication interface, from a user computing device, sensor data captured by the user computing device using one or more sensors built into the user computing device. Subsequently, the computing platform may analyze the sensor data received from the user computing device by executing one or more data processing modules. Then, the computing platform may generate trip record data based on analyzing the sensor data received from the user computing device and may store the trip record data in a trip record database. In addition, the computing platform may generate user record data based on analyzing the sensor data received from the user computing device and may store the user record data in a user record database.

Abstract: A three-dimensional computer model of an environment is formed based on collected sensor data that includes at least one of image data of the environment and range data to objects in the environment. A plurality of candidate trajectories within the environment are generated based on the three-dimensional computer model. Rendered image data of the three-dimensional computer model and the plurality of candidate trajectories is formed. One of the candidate trajectories is selected based on the rendered image data and is utilized for controlling movement of a mobile platform.

Abstract: The present disclosure is directed toward systems and methods for an augmented reality transportation system. For example, the systems and methods described herein present an augmented reality environment for a driver or a passenger including augmented reality elements to mark specific locations within a display of real-world surroundings. Additionally, the systems and methods described herein analyze historical information to determine placements for augmented reality elements. The systems and methods also enable a user to share an augmented reality or virtual reality environment with another user.

Abstract: Provided are a first route condition acquirer to acquire a route condition of a planned travel route of a moving body, the route including a plurality of sections; a recommended operation definer to define a content of recommended operation information related to a device included in the moving body and an output point in the planned travel route at which the recommended operation information is output; a complexity level determiner to determine a complexity level of a route in one of the sections including the defined output point by using a static route condition out of the route condition of the planned travel route and, when the complexity level of the section is greater than or equal to a threshold value, determining a complexity level of each of the other sections in the planned travel route; and a recommended operation determiner to determine the output point using the determination result.

Abstract: A mobile communication device initiates display of a point of interest as being located at particular coordinates on a map. In response to receiving an input command from a user of the mobile communication device indicating that the particular location of the point of interest as specified by the map is incorrect, the mobile communication device forwards a communication (specifying a location of the mobile communication device and an identity of the point of interest) over a network to a map management resource. Based on feedback from the mobile communication device, the map management resource updates map data an actual location of the point of interest as opposed to an incorrect location as specified by the particular coordinates on the map. Subsequent distribution of the updated map information from the map management resource specifies the proper coordinates of the point of interest in the geographical region.

Abstract: A system determines a set of POIs that are visible from a location. The system stores a visibility map for each POI. A visibility map includes data about locations or regions from which the associated POI is visible. The data may include information about how visible the POI is from different locations. The system divides a region into road bins (e.g., geofences a route passes through). Each road bin is associated with a set of POIs that are visible from locations within the road bin. When the system receives a request from a user device for information about visible POIs, the system determines a road bin that corresponds to the location of the user device, identifies POIs associated with the road bin, and transmits information about the set of POIs to the user device.

Abstract: A system and method for improved routing that combines real-time and likelihood information. In accordance with an embodiment, the system comprises a digital map/map information; a likelihood routing information; a route processor; wherein, when a request is received from a user/driver, or from another system, to receive a routing information, the system receives real-time information from a traffic-monitoring device or service providing real-time information; wherein the route processor adjusts the received real-time information based on the system's likelihood routing information; and wherein the routing information based on the combination of real-time and likelihood information can then be provided to the user/driver or other system in response to the original request.

Abstract: Methods of fabricating electronic circuits and electronic packages are provided. The electronic circuit includes a multilayer circuit board, and a tamper-respondent sensor embedded within the circuit board. The tamper-respondent sensor defines, at least in part, a secure volume associated with the multilayer circuit board. In certain implementations, the tamper-respondent sensor includes multiple tamper-respondent layers embedded within the circuit board including, for instance, one or more tamper-respondent frames and one or more tamper-respondent mat layers, with the tamper-respondent frame(s) being disposed, at least in part, above the tamper-respondent mat layer(s), which together define the secure volume where extending into the multilayer circuit board.

Abstract: A rotational angle sensor includes a stator element and a rotor element. The stator element has a transmitting coil and at least two receiving coils that are arranged within the transmitting coil and on a circuit board. The rotor element is mounted for rotation with respect to the stator element about an axis of rotation. The rotor element is configured to inductively couple the transmitting coil to the at least two receiving coils in such a way that the inductive coupling is dependent on a rotational angle between the stator element and the rotor element and the transmitting coil induces at least two angle-dependent alternating voltages in the at least two receiving coils. The rotor element and the at least two receiving coils are configured in such a way that an alternating voltage, the amplitude of which is sinusoidally dependent on the rotational angle, is induced in the receiving coils.

Abstract: Embodiments of the present disclosure provide an optical encoder for an electronic device. The optical encoder includes a spindle and an encoded pattern disposed around a circumference of the spindle. The encoded pattern may include one or more surface features that create a direction-dependent reflective region.

Abstract: A vehicle body tracking system of a vehicle assembly line determines, in real time, a position of a vehicle body transferred to process sections divided by a predetermined pitch. The tracking system includes: a vehicle body detecting unit installed at a starting point of the assembly line so as to detect the vehicle body; an encoder unit provided at a conveyor unit, which travels along the assembly line and transfers the vehicle body, so as to detect a rotation amount of a rotating body rotated by a traveling body of the conveyor unit; and a controller to receive a detection signal from the vehicle body detecting unit to acquire identification information of the vehicle body and to calculate a moving distance of the vehicle body for each process section by receiving the detection value from the encoder unit.

Abstract: A method of manufacturing a rotary scale to be fixed to a rotating shaft of a rotating member includes a first step of forming, on a scale substrate, a scale pattern and a mark indicating an outer shape of the rotating shaft positioned such that a center axis of the rotating shaft coincides with a center axis of the scale pattern, a second step of cutting a first area of the scale substrate including the mark and having a first width, and a third step of cutting a second area including the mark that remains after the cutting of the first area, having a length in a circumferential direction of the scale substrate shorter than that in the first area and having a second width narrower than the first width.

Abstract: An optical sensor and a deformation detection system in which the optical sensor is used. The optical sensor includes an optical fiber, an elongated hollow housing having an interior portion, and a material disposed on an inner surface of the housing that produces a persistent change in an optical signal transmission property of the optical fiber when the optical fiber contacts the material. The optical fiber elastically extends between opposing ends of the housing such that a bending deformation of the housing beyond a threshold radius of curvature causes a contact to occur between the material and the optical fiber. The contact results in persistent change in the optical signal transmission property of the optical fiber, which can be detected to determine whether deformation of the device occurred beyond a predetermined threshold value. The deformation detection system can use one or more of the optical sensors attached to the device.

Abstract: An optical sensor and a deformation detection system in which the optical sensor is used. The optical sensor includes an optical fiber, an elongated hollow housing having an interior portion, and a material disposed on an inner surface of the housing that produces a persistent change in an optical signal transmission property of the optical fiber when the optical fiber contacts the material. The optical fiber elastically extends between opposing ends of the housing such that a bending deformation of the housing beyond a threshold radius of curvature causes a contact to occur between the material and the optical fiber. The contact results in persistent change in the optical signal transmission property of the optical fiber, which can be detected to determine whether deformation of the device occurred beyond a predetermined threshold value. The deformation detection system can use one or more of the optical sensors attached to the device.

Abstract: A method for operating a magnetostrictive displacement measuring device, having a wave guide for guiding at least one mechanical wave, at least one damping zone, a magnetic position encoder which is displaceably arranged along a measuring range of the position measuring device and a detection unit, generates the at least one mechanical wave by an excitation signal (IP) having a clock frequency (f1, f2), at least two mechanical waves having respectively different clock frequencies (f1, f2, f) being generated. The clock frequencies can be predetermined such that interfering reflections (R11, R12) occur at different positions (x11, x21, x2) of the measuring range of the displacement measurement device, and during the method of the position encoder, switching between the different clock frequencies (f1, f2, f) takes place, such that the interfering reflections (R11, R12) on the respective different positions (x11, x21, x22) of the measuring range are masked out.

Abstract: A sensor device includes a mounting member having fixation surfaces inside, and at least one electronic component directly or indirectly fixed to the fixation surfaces of the mounting member, and the mounting member constitutes a part of a casing for housing the electronic component. Further, the fixation surfaces are perpendicular to each other.

Abstract: A crop growth sensing apparatus and method supporting agricultural machinery variable-quantity fertilization, includes a shock-absorbing support, a shock-absorbing frame, and a cantilever beam. The shock-absorbing support is connected to an agricultural machinery vehicle frame. The cantilever beam is pivotally connected above a shock-absorbing spring of the shock-absorbing support. The cantilever beam, by means shock-absorbing springs mounted thereabove and thereunder, is pivotally connected to the shock-absorbing frame. The shock-absorbing frame is fixedly connected to a crop growth sensor. The crop growth sensing method employs an engine vibration model of the agricultural machinery and a vibration model for vehicle wheels and farmland road surface as excitations in analyzing vibrations of a crop growth multispectral sensor shock-absorbing apparatus to determine the number and mount positions of sensitive elements of the crop growth multispectral sensor.

Abstract: A flowmeter (5) is provided having a sensor assembly (10) connected to meter electronics (20), wherein the sensor assembly (10) comprises at least one driver (104) and at least one pickoff (105) and a variably modulated conduit (300) configured to change a flow area (304) therein.

Abstract: A gas supply system includes a flow controller, a first shutoff valve provided downstream of the flow controller, a second shutoff valve provided in a first flow passage communicating with the downstream side of the first shutoff valve, a second flow passage branching from the first flow passage, a third shutoff valve provided in the second flow passage, a pressure sensor that detects a pressure in a flow passage surrounded by the first, second, and third shutoff valves, a temperature sensor that detects a temperature in the flow passage, a volume measuring tank having a known volume connected downstream of the third shutoff valve, and a controller that obtains a volume of the flow passage by applying Boyle's law to open and closed states of the third shutoff valve and calculates the flow rate using the passage volume and outputs of the pressure and temperature sensors.

Abstract: A dispenser (1) for discharging an amount of a substance to be discharged includes a container (4) with a discharge opening (6), and a metering device (14). The metering device (14) is mounted movably relative to the discharge opening (6) and has at least one recess (16) for conveying the substance to be discharged through the discharge opening (6) and out of the container (4). The metering device (14) is connected to a drive element, particularly to a spring element (13), and the drive element is configured to accelerate an amount of the substance that is received in the recess (16) of the metering device (14), as the amount leaves the dispenser (1).

Abstract: Disclosed is a method of measuring a volume of a liquid provided in at least one receptacle, including the steps of: providing a receptacle having at least one cavity for holding a liquid; providing a plenoptic camera positioned so as to be able to image the surface of the liquid; positioning the receptacle such that the liquid surface faces an objective lens of the plenoptic camera; making at least one plenoptic image of the surface of the liquid by way of the plenoptic camera; determining a surface topography of the liquid on the basis of the at least one image; calculating the volume of liquid based on the measured surface topography and at least one known dimension and/or position of the cavity.

Abstract: For estimation of the gas emission amount from a storage tank for storing a liquid containing the volatile compounds therein, preconditions involving a tank shape of the fixed roof type storage tank and a working pressure of a relief valve are set in a first step, and initial conditions for storage volumes, temperatures, and pressures of the liquid and a gas inside the storage tank are set in a second step. In a third step, an inflow or outflow heat quantity to or from the liquid and the gas inside the storage tank is determined so that a mass transfer amount between the liquid and the gas is obtained through CFD analysis. In a fourth step, whether or not the relief valve is actuated and the gas emission amount through the relief valve are obtained based on the mass transfer amount.

Abstract: A bulk material storage bin has an upright wall supporting a plurality of vertically spaced indicators providing a person with visual information regarding the level of the bulk material in the bin. The indicators have bright color and dark color surfaces that are selectively displayed to provide a person with information of the level of bulk material in the bin. An actuator located in the bin cooperates with a motion transmission apparatus to move visual members to an ON position displaying the bright color when the bulk material engages the actuator and to an OFF position displaying the dark color when the actuator is free of bulk material. The motion transmission apparatus includes a rod movably retained on an O-ring held on a mount device secured to the side wall of the bin. A yoke supporting an endless flexible member mounted on the rod is connected to the visual members whereby movement of the rod moves the visual members between the ON and OFF positions.

Abstract: A device for measuring the level of a material (e.g., a liquid) in a tank is disclosed. An example device includes a non-buoyant flexible member and a plurality of sensor nodes distributed along the length of the flexible member. The sensor nodes are configured to indicate a change in orientation. A buoyant float provides a generally U-shape configuration for the flexible member, and causes an increasing number of the sensing nodes to depart from a substantially vertical orientation as the level of the material rises within the storage tank. A monitor is configured to monitor a signal indicating the change in orientation of the sensor nodes. As such, the device may be implemented to conveniently and accurately measure the liquid level in the tank.