WO2014119258A1 - 情報処理方法及び情報処理装置 - Google Patents
情報処理方法及び情報処理装置 Download PDFInfo
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- WO2014119258A1 WO2014119258A1 PCT/JP2014/000334 JP2014000334W WO2014119258A1 WO 2014119258 A1 WO2014119258 A1 WO 2014119258A1 JP 2014000334 W JP2014000334 W JP 2014000334W WO 2014119258 A1 WO2014119258 A1 WO 2014119258A1
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- control
- display object
- display
- control amount
- screen
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/002—Specific input/output arrangements not covered by G06F3/01 - G06F3/16
- G06F3/005—Input arrangements through a video camera
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
Definitions
- the present invention relates to an information processing method and an information processing apparatus that provide a GUI (Graphical User Interface), and more particularly, to a technique for updating a screen display based on the position of an indicator in a three-dimensional space.
- GUI Graphic User Interface
- any object displayed on the screen can be indicated by moving the pointer by the movement of the operator's hand or finger.
- these input devices do not have a mechanism that can be reliably operated like a switch on a remote controller, a mouse, or the like, and it has been difficult to specify an intentional operation of the operator such as selection and determination of an object.
- Patent Document 1 monitors the movement of a pointer that points to an object on the screen, and the operator performs a selection operation when the movement locus of the pointer matches a predetermined pattern. A method of determining that it has been performed is disclosed.
- Patent Document 2 discloses an interface device that determines that the operator has performed a selection operation when the operator performs a predetermined posture different from the posture of the hand or finger that indicates the object. Further, in the case of the interface device disclosed in Patent Document 2, a list of finger postures used for operation and a determination result of the finger postures are displayed on the screen, so that the operator can check the screen without learning a predetermined finger posture. It can be operated while.
- Patent Document 3 discloses an information processing apparatus that displays a captured image of an operator captured by a camera and a guide frame for detecting a predetermined pose of the operator on a screen on which an object is displayed. ing. Specifically, when the hand part of the captured image of the operator is located within the guide frame, the hand part is displayed surrounded by a red frame, and when the hand part is located outside the guide frame, The hand part is displayed with a blue frame. As a result, the operator is guided to move the portion of the hand surrounded by the blue frame into the guide frame, and can execute processing corresponding to the guide frame.
- Patent Document 1 After an operator designates a desired object with a pointer, it is necessary to further perform an operation of selecting the object by moving the pointer so as to match a predetermined pattern. However, it is not always easy to move the pointer accurately so as to match a predetermined pattern with respect to the object.
- Patent Document 2 it is necessary that an operator designates a desired object by a posture such as pointing, and then performs an object selecting operation by changing to another predetermined posture.
- a situation may occur in which an object different from the intention cannot be indicated due to an attempt to change to a predetermined posture.
- the present invention has been made in view of the above problem, and a screen that is displayed when an operator who does not hold a special operation device inputs information by moving a hand or a finger or changing a posture.
- a screen that is displayed when an operator who does not hold a special operation device inputs information by moving a hand or a finger or changing a posture is provided.
- An information processing method is an information processing method for executing a predetermined process in relation to an object displayed on a screen in an information processing device, and includes two or more parts in an indicator
- An acquisition step for acquiring position information indicating the detected position of the image, a calculation step for calculating a control amount based on the positions of two or more parts indicated by the position information, and a control amount calculated in the calculation step.
- a control display object including a first display object to be displayed and a second display object representing a threshold value that is a criterion for determining whether or not the control amount satisfies a predetermined condition is controlled to be displayed on the screen. And a control step of performing the predetermined process when it is determined that the condition is satisfied.
- an information processing apparatus includes an acquisition unit that acquires position information indicating a detected position for each of two or more parts in an indicator, and two or more parts that the position information indicates.
- a calculation unit that calculates a control amount based on a position; a first display object that represents the control amount calculated by the calculation unit; and a second threshold that serves as a criterion for determining whether or not the control amount satisfies a predetermined condition
- the information processing apparatus includes a control unit that performs control so that a control display object including a display object is displayed on a screen and performs a predetermined process when it is determined that the control amount satisfies the predetermined condition.
- the operator can easily perform an operation such as selecting an object without using a special operation device.
- FIG. 1 is an external view of an information input system according to an embodiment.
- FIG. 2 is a diagram illustrating a hardware configuration of the information input system according to the embodiment.
- FIG. 3 is a functional block diagram of the information input system according to the first embodiment.
- FIG. 4 is a flowchart showing the operation of the information input system according to the first embodiment.
- FIG. 5 is a diagram illustrating an example of operations and screens of the information input system according to the first embodiment.
- FIG. 6 is a diagram illustrating an example of an operation and a screen of the information input system according to the first embodiment transitioned from FIG.
- FIG. 7 is a diagram illustrating an example of operations and screens of the information input system according to the first embodiment.
- FIG. 1 is an external view of an information input system according to an embodiment.
- FIG. 2 is a diagram illustrating a hardware configuration of the information input system according to the embodiment.
- FIG. 3 is a functional block diagram of the information input system according to the first embodiment.
- FIG. 4 is
- FIG. 8 is a diagram illustrating an example of an operation and a screen of the information input system according to the first embodiment transitioned from FIG.
- FIG. 9 is a functional block diagram of an information input system according to the second embodiment.
- FIG. 10 is a flowchart showing the operation of the information input system according to the second embodiment.
- FIG. 11 is a diagram illustrating an example of operations and screens of the information input system according to the second embodiment.
- FIG. 12 is a diagram illustrating an example of operations and screens of the information input system according to the second embodiment transitioned from FIG. 11.
- FIG. 13 is a functional block diagram of an information input system according to the third embodiment.
- An information processing method is an object displayed on a screen in an information processing device so that an operator can easily perform operations such as selection on an object without using a special operation device.
- An information processing method for executing a predetermined process in connection with an acquisition step of acquiring position information indicating detected positions for two or more parts of an indicator, and two or more indicated by the position information A calculation step for calculating a control amount based on the position of each part of the first part, a first display object representing the control amount calculated in the calculation step, and a threshold value serving as a criterion for determining whether or not the control amount satisfies a predetermined condition
- control in the control step includes control of devices such as a display device and control of each unit of the information processing apparatus.
- the predetermined process is a process that appears as an output of light, an electric signal, etc., and a process (selection, enlargement / reduction, etc.) related to a change in the screen content displayed by the display device or an object (target) in the screen. Including.
- control step it is further controlled to display a position display object at a position on the screen determined according to one or more positions indicated by the position information, and in the control step, the position display object is displayed.
- the predetermined processing may be performed in relation to the object displayed at the display position.
- the display position of the position indicator does not necessarily correspond directly to the position of any part of the indicator.
- the average position is determined according to two or more positions of the indicator, and the average It may correspond to the position.
- the position information is information representing a three-dimensional position
- the information processing method further sequentially generates the position information by detecting a three-dimensional position for each of two or more parts in the indicator.
- the position information generated in the detection step is sequentially acquired, and in the control step, the position display object corresponds to the sequential acquisition of the position information in the acquisition step.
- the control display object is sequentially displayed on the screen, and the position on the screen that is controlled to display the position display object in the control step is a predetermined projection on one three-dimensional position determined based on the position information. It may be a two-dimensional position obtained by performing conversion.
- the position (two-dimensional position) of the position display object (pointer) on the screen changes according to the position of the pointing object in the three-dimensional space, and the operator can easily select any position by checking the screen. It becomes possible to specify the object.
- the second display object includes a figure of a predetermined size representing the threshold value
- the first display object is similar in shape to the figure of the predetermined size included in the second display object.
- the operator compares the first display object and the second display object, which are graphics on the screen, and performs an operation for selecting an object, for example, by performing an operation so as to match the size of both. Can be easily performed.
- the graphic of the predetermined size related to the second display object is a circle of a predetermined size for representing the threshold value
- the first display object is a basis for calculating the control amount.
- a circle obtained by subjecting a minimum sphere including two or more positions to a predetermined projection transformation may include a circle having the same center as the circle related to the second display object.
- the operator can change the size of the circle representing the control amount on the screen by, for example, spreading or rounding the finger of the hand using the hand as an indicator, and selecting an object, etc. It becomes possible to do it by intuitive operation.
- the information processing method further includes a specifying step of specifying one part in the indicator, and a position on the screen to be controlled to display the position display object in the control step is specified in the specifying step.
- the two-dimensional position obtained by performing the predetermined projection transformation on the three-dimensional position indicated by the position information about the part, and the sphere is a sphere centered on the position of the part specified in the specifying step
- the control amount is calculated according to the position of one or more parts of the indicator other than the part specified in the specifying step with reference to the position of the part specified in the specifying step. It is good as well.
- the operator can move the position of the position display object on the screen by moving one specific part such as the thumb or the index finger by using the hand as an indicator, and also move parts other than the part.
- operations such as object selection can be easily performed.
- the second display object includes a line segment having a predetermined inclination for representing the threshold value
- the first display object includes a line segment passing through the same point as the line segment included in the second display object. And it is good also as including the line segment which reflected the said control amount in the inclination of the line segment.
- the operator compares the first display object and the second display object, which are graphics on the screen, and operates the indicator so as to adjust the inclination (for example, the angle formed with respect to the horizontal direction) of both. Therefore, an operation for selecting an object can be easily performed.
- the first display object is a line segment obtained by performing a predetermined projection transformation on a regression line that is closest to each of the two or more positions that are the basis for calculating the control amount
- the information processing method includes: Furthermore, it includes a specifying step for specifying one part in the indicator, and the position on the screen for controlling to display the position display object in the control step is the position information on the part specified in the specifying step. Is a two-dimensional position obtained by performing the predetermined projection transformation on the three-dimensional position indicated by the above-mentioned regression line, and the regression line is a straight line passing through the three-dimensional position indicated by the position information for the part specified in the specifying step.
- the control amount is calculated based on positions of one or more parts of the indicator other than the part specified in the specifying step. It may be used as a.
- the operator can move the position of the position display object on the screen by moving one specific part such as the thumb or the index finger by using the hand as an indicator, and also move parts other than the part.
- operations such as object selection can be easily performed.
- the information processing method further includes a specifying step of specifying one part in the indicator, and a position on the screen to be controlled to display the position display object in the control step is specified in the specifying step. It may be a two-dimensional position obtained by performing the predetermined projection transformation on a three-dimensional position indicated by the position information about the part.
- the operator can move the position of the position display object on the screen by moving the position of one specific part such as the thumb or the index finger using the hand as an indicator.
- the predetermined condition is satisfied when the control amount and the threshold satisfy a predetermined relationship that is an equivalent relationship or a magnitude relationship.
- the predetermined relationship which is an equivalent relationship or a magnitude relationship means, for example, one of the case where the control amount matches the threshold, the case where the control amount is larger than the threshold, and the case where the control amount is smaller than the threshold. .
- the operator refers to the screen while the first display object and the second display object in the control display object on the screen.
- the information processing apparatus can easily cause the information processing apparatus to perform predetermined processing such as object selection.
- control step it may be determined that the predetermined condition is satisfied when the control amount transitions so that the magnitude relationship between the control amount and the threshold value changes.
- the information The processing device performs a predetermined process. Accordingly, for example, when each part of the pointing object is kept stationary, it is possible to prevent the predetermined process from being repeated even if the control amount matches the threshold value.
- the control amount is limited to only one of a case where the control amount changes from a value smaller than the threshold value to a large value and a case where the control amount changes from a value larger than the threshold value to a small value. It may be determined that the predetermined condition is satisfied.
- the control amount changes from a state smaller than the threshold value to a larger state, and the control amount changes from a state larger than the threshold value to a smaller state. Only in one of the cases, the information processing apparatus performs a predetermined process.
- the position information is information representing a three-dimensional position
- the information processing method further includes a detection step of generating the position information by detecting a three-dimensional position for each of two or more parts in the indicator.
- the acquisition step the position information generated in the detection step is acquired, and in the control step, a predetermined projection transformation is performed on one three-dimensional position determined based on the position information.
- the control display object is controlled to be displayed at a two-dimensional position on the screen, and in relation to the object displayed at the display position of the control display object when it is determined that the control amount satisfies the predetermined condition
- the predetermined process may be performed.
- Displaying a control display object at a two-dimensional position on the screen obtained by performing predetermined projection transformation on one three-dimensional position determined based on the position information is, for example, in the smallest rectangle surrounding the control display object. Displaying the control display so that the dimension position is included. This includes, for example, displaying the control display object such that the center of the first display object in the control display object is its two-dimensional position.
- an information processing apparatus includes an acquisition unit that acquires position information indicating a detected position for each of two or more parts in an indicator, and two or more parts that the position information indicates.
- a calculation unit that calculates a control amount based on a position; a first display object that represents the control amount calculated by the calculation unit; and a second threshold that serves as a criterion for determining whether or not the control amount satisfies a predetermined condition
- the information processing apparatus includes a control unit that performs control so that a control display object including a display object is displayed on a screen and performs a predetermined process when it is determined that the control amount satisfies the predetermined condition.
- control in the control unit includes control of devices such as a display device and control of each unit of the information processing apparatus.
- the predetermined process is a process that appears as an output of light, an electric signal, etc., and a process (selection, enlargement / reduction, etc.) related to a change in the screen content displayed by the display device or an object (target) in the screen. Including.
- an information input system that provides a GUI (Graphical User Interface) that uses as input information the position of an indicator in a three-dimensional space detected by a camera or the like will be described.
- GUI Graphic User Interface
- a method of separating the pointing operation from the selection operation by recognizing that the selection operation is performed when the operator performs a specific gesture can be considered.
- a method of separating the pointing operation from the selection operation by recognizing that the selection operation has been performed when a specific gesture of holding the hand against the object for a certain period of time is considered.
- the pointing object needs to be stationary with respect to the object during the pointing operation for moving the pointing object, which is not immediate and is not a comfortable operation.
- the selection operation has been performed when a specific gesture such as turning around the hand or pushing the hand forward is performed.
- a pointing operation may occur between the time when the operator starts moving his hand and the time when the selection operation is recognized, and the pointing operation and the selection operation are clearly separated. Because it is not possible to do so, accurate operation is not realized. Furthermore, a method of recognizing the selection operation by speaking “select!” Or “decision!” Separately from the input of the position of the indicator may be considered. However, in the method using voice recognition, a cost is required for equipment such as a microphone, and an accurate operation is not necessarily realized because it depends on the voice recognition rate.
- This information input system mainly calculates the control amount based on the detected position of each part of the indicator, displays a control display object indicating the control amount and the threshold value on the screen, and the control amount is related to the threshold value.
- This is a system that selects an object (target) on the screen when a predetermined condition is satisfied.
- the control amount is calculated based on the detection position of each part of the indicator, and the display object indicating the control amount and the criterion for determining whether the control amount satisfies the predetermined condition.
- An information processing method for displaying a control display object including a display object representing a threshold value on the screen is used.
- FIG. 1 is an external view of the information input system 10.
- a stereo camera 12 and a display device 16 are shown.
- the operator moves the indicator 11 (here, the operator's finger) within the imaging range of the stereo camera 12 to display the indicator 11 corresponding to the position in the three-dimensional space.
- the pointer on 16 can be moved. As a result, various interactions between the operator and the image displayed on the display device 16 are realized.
- the indicator 11 is not limited to the operator's finger, but may be an operator's hand, arm, or an article such as a pen held by the operator.
- FIG. 2 is a diagram illustrating a hardware configuration of the information input system 10.
- the information input system 10 is a system for acquiring an operator's instruction for an image displayed on the display device 16 and includes a stereo camera 12, a communication device 14, a display device 16, an input device 18, and a control device 20.
- the stereo camera 12 is an imaging device having at least two cameras, and is a sensor for detecting the position of the indicator 11 in the three-dimensional space.
- the stereo camera 12 images the indicator 11 at a constant frame rate, and wirelessly transmits a plurality of obtained images to the communication device 14.
- the stereo camera 12 is assumed to be an independent device from the display device 16 or the like, but may be integrated with the display device 16.
- the communication device 14 is a wireless communication interface or the like that acquires an image sent from the stereo camera 12 and sends it to the control device 20.
- the display device 16 is a liquid crystal display or the like having a screen for displaying an image to be presented to the operator.
- the display device 16 may be a projector that projects a screen onto a screen or the like.
- the input device 18 is an input device such as a button for turning on the power or a remote controller. In the present embodiment, since any instruction is given to the control device 20 through the stereo camera 12, the input device 18 is a preliminary component.
- the control device 20 is a computer (information processing device) that executes information processing that realizes interaction with an operator, and includes a CPU 22, a ROM 24, a RAM 26, and a recording medium 28.
- the CPU 22 is a processor that executes a program.
- the ROM 24 is a read-only memory that holds programs and data in advance.
- the RAM 26 is a working temporary storage memory used when the CPU 22 executes a program.
- the recording medium 28 is a readable / writable storage device such as a hard disk device capable of storing data even when the power is not turned on, and stores a program and data.
- the recording medium 28 may be a non-volatile memory, for example.
- FIG. 3 is a functional block diagram of the information input system 10 in the present embodiment. This functional block shows the functional configuration of the information input system 10 realized by the hardware configuration shown in FIG.
- the information input system 10 is functionally a system for acquiring an operator's operation on an image displayed on the display unit 52, and includes a detection unit 42, an information processing unit 70, and a display unit 52.
- the information processing unit 70 is a processing system that controls screen display using a three-dimensional position, and is realized by the control device 20 and includes an acquisition unit 43, a calculation unit 46, and a control unit 60.
- the display unit 52 corresponds to the display device 16 of FIG. 2 and does not necessarily have to be provided in the information input system 10 as described above.
- the detection unit 42 is a processing unit that detects (measures) the positions of at least two parts of the indicator 11 in the three-dimensional space, and is realized by the stereo camera 12, the communication device 14, and the control device 20 in FIG.
- the detection of the position will be described by taking as an example a case where the indicator 11 is predetermined as five fingers and the palm of one hand of a person.
- the detection unit 42 performs image matching on each of the two images by image matching based on image data such as the shape of each finger or palm set in advance from each of the two images simultaneously captured by the stereo camera 12. Identify the position of each finger or palm.
- the position of each finger and palm in the three-dimensional space is calculated, thereby indicating the indicator 11 (in detail).
- the three-dimensional position of each of the two or more parts in the indicator 11 is detected.
- the detected three-dimensional position of each finger or the like is represented, for example, by a coordinate value P (x, y, z) based on three axes (X axis, Y axis, Z axis) orthogonal to each other in the three-dimensional space.
- the acquisition unit 43 has a function of acquiring the three-dimensional position detected by the detection unit 42 for the indicator 11 and transmitting it to the calculation unit 46 and the control unit 60. That is, the acquisition unit 43 functions as a three-dimensional position input interface in the information processing unit 70.
- the calculation unit 46 calculates a control amount according to at least two or more positions among the positions of each part of the indicator 11 in the three-dimensional space detected by the detection unit 42 and acquired by the acquisition unit 43, and controls the control unit 60.
- the control amount is an amount that varies when the operator performs an operation of moving the indicator 11 in order to express the intention of selection or the like, and is an amount that reflects the positions of two or more parts of the indicator 11.
- the calculation unit 46 calculates the minimum sphere including the three-dimensional positions of a plurality of parts (for example, five fingers and palms of one hand) of the indicator 11 in the three-dimensional space, and uses the radius of the sphere as the control amount. Calculate.
- the calculation of the controlled variable determines a positional relationship graphic (for example, a graphic in which a sphere having a radius of the controlled variable is projected on a predetermined two-dimensional plane) that is a graphic representing the positional relationship of each part. It can also be said.
- a positional relationship graphic for example, a graphic in which a sphere having a radius of the controlled variable is projected on a predetermined two-dimensional plane
- a predetermined condition a predetermined equivalent relationship, a predetermined magnitude relationship, etc.
- the control unit 60 updates the screen display and the object (target) displayed on the screen. ) Is responsible for the control of predetermined processing related to. As an update of the screen display, the control unit 60 displays a pointer (position display object) at a position on the screen determined according to the current three-dimensional position of the indicator 11, and is determined in relation to the indicator 11. Control is performed so as to display a control display object (graphic) for representing the control amount.
- the position display object and the control display object are components of the GUI and are display elements to be interacted with the operator.
- the control unit 60 recognizes the operation of the operator and executes a function corresponding to the operation.
- control unit 60 determines whether or not an operation such as selection is performed depending on whether or not the control amount satisfies a predetermined condition, and when the operation such as selection is performed, the pointer is displayed at the position where the pointer is displayed.
- a predetermined process related to the selected object is performed.
- the predetermined process may be performed by changing the display mode of the object (enlargement, reduction, rotation, deformation, deletion, etc.) or executing a function predetermined for the object (the icon associated with the function processing program is the object If so, execution of the function processing program).
- the predetermined processing includes output of light, electrical signals, etc. to the outside of the control device 20.
- the control unit 60 includes a pointer display control unit 62, a graphic display control unit 64, an auxiliary display control unit 66, and a threshold storage unit 48 as functional components.
- the pointer display control unit 62 determines the position on the screen of the display unit 52 based on the three-dimensional position of each part of the indicator 11 transmitted from the acquisition unit 43, and puts a pointer (position display object) at that position. It has a function to control display. In order to determine the display position, the pointer display control unit 62 calculates one three-dimensional position by, for example, taking an average based on the three-dimensional position of each part of the indicator 11, and the one three-dimensional A two-dimensional position obtained by performing predetermined projection transformation on the position is calculated as a display position.
- the pointer is a position display object having a specific shape (for example, a cross shape) and / or a specific color (for example, red) on the screen.
- the pointer display control unit 62 is obtained by performing predetermined projection conversion on the three-dimensional position of one part of the indicator 11 instead of performing predetermined projection conversion on the average value of each part of the indicator 11.
- the dimension position may be the display position of the pointer on the screen.
- the predetermined projection conversion is, for example, projection conversion onto a display two-dimensional coordinate plane parallel to the screen of the display unit 52. This projection conversion is parallel projection conversion, for example, and may be perspective projection conversion, for example.
- the graphic display control unit 64 controls the display unit 52 to display a first display object that is a graphic image in which the control amount calculated by the calculation unit 46 is reflected in the graphic size. It has a function.
- the first display object is a part of the above-described control display object.
- the calculation unit 46 calculates the minimum sphere including the three-dimensional positions of the plurality of parts of the indicator 11 in the three-dimensional space and calculates the radius of the sphere as the control amount
- a circle obtained by performing predetermined projection conversion is the first display object.
- the threshold storage unit 48 is realized by one area in the RAM 26 or the recording medium 28, and has a function of storing a threshold as a reference used for determining whether or not the control amount satisfies a predetermined condition.
- This threshold is, for example, a threshold that can be represented by at least one of the size and orientation of a graphic.
- the threshold value storage unit 48 may store the threshold value in association with each process. In this case, the threshold value serves as information serving as a reference for motion recognition for recognizing which process the operator has performed.
- the threshold value is set by a manufacturer, an operation manager, an operator, or the like of the information input system 10 within a range where the control amount can vary. Taking an example of a threshold when the control amount is calculated as the radius of the smallest sphere including each finger and palm position of one hand, it is assumed that the control amount can vary within a range of about 4 cm to about 10 cm, for example. Therefore, for example, the threshold value for selection is 6 cm. Further, for example, the threshold for cancellation of selection may be set to 9 cm or the like, and may be treated as selection when the state changes from a state larger than 6 cm to 6 cm or less, and as selection cancellation when the state changes from less than 9 cm to 9 cm or more.
- the auxiliary display control unit 66 controls to display the second display object, which is a graphic reflecting the size of the threshold stored in the threshold storage unit 48, on the screen of the display unit 52.
- the second display object is a part of the above-described control display object.
- a circle obtained by performing a predetermined projection transformation on a sphere having a radius as a threshold is the second display object.
- the second display object is concentric with the circle that is the first display object, and the ratio between the threshold value and the control amount is the ratio between the radius of the circle that is the second display object and the radius of the circle that is the first display object. Match.
- the first display object on the screen is changed by moving the indicator 11 while visually confirming the relationship with the second display object on the screen.
- the second display object is an image that assists the user in performing operations such as selection when the operator moves the indicator 11 while viewing the first display object.
- the usefulness as an operation assist may be improved.
- the calculation unit 46 calculates the control amount as follows. Also good. For example, a line segment obtained by calculating a regression line passing through the closest position of each position from the three-dimensional positions of a plurality of parts of the indicator 11 by a least square method or the like, and subjecting the straight line to a predetermined projection transformation. For example, the slope is calculated as a control amount.
- the predetermined projection conversion is, for example, projection conversion to a two-dimensional coordinate plane for display parallel to the screen of the display unit 52. When a line segment obtained by this projection conversion is drawn on the screen, a line as a control amount is obtained.
- the inclination of the minute is represented by, for example, an angle formed with the horizontal direction of the screen.
- the graphic display control unit 64 displays, as the first display object, a line segment obtained by subjecting the regression line to projection conversion onto a display two-dimensional coordinate plane (a line segment related to the controlled variable). It may be controlled to display on the screen of the unit 52.
- the auxiliary display control unit 66 is a line segment passing through the line segment related to the control amount, and the inclination with respect to the horizontal direction matches the threshold value (in this case, the inclination value) stored in the threshold value storage unit 48. Such a line segment may be controlled to be displayed on the screen of the display unit 52 as the second display object.
- the control unit 60 controls the graphic display control unit 64 and the auxiliary display control unit 66 to display the first display object and the second display object on the screen of the display unit 52.
- the first display object is a figure such as a circle, a line segment, or a polygon that reflects the control amount on the size or orientation (tilt) of the figure.
- the second display object is a determination criterion for an operation such as selection, such as a circle, a line segment, a polygon (triangle, quadrangle, etc.) reflecting the threshold value for the control amount in the size or orientation (tilt) of the figure. It is a figure.
- the control unit 60 compares the control amount calculated by the calculation unit 46 with a threshold value to determine whether the control amount satisfies a predetermined condition. When the control amount and the threshold value match, the control unit 60 is displayed on the screen. The size or direction of the first display object and the second display object to be matched will be the same.
- the control unit 60 selects a predetermined value such as a selection. Recognize that an action has taken place. When recognizing that a predetermined operation has been performed, the control unit 60 executes a predetermined function that is determined in advance corresponding to the predetermined operation.
- control unit 60 has a predetermined function when the control amount satisfies a predetermined condition, that is, when the relationship between the control amount and the predetermined threshold satisfies a predetermined condition (a predetermined equivalent relationship, a predetermined magnitude relationship, etc.). This relationship can be modified in addition to the coincidence between the control amount and the threshold value.
- a predetermined condition a predetermined equivalent relationship, a predetermined magnitude relationship, etc.
- the predetermined operation is performed. It may be recognized that it has been broken.
- the control unit 60 performs the same predetermined process when the size of the first display object changes from a state larger than the size of the second display object to a small state and when the size changes from a small state to a large state. It may be recognized that an operation has been performed, or it may be recognized that predetermined operations different from each other have been performed in both cases.
- control unit 60 recognizes that a predetermined operation has been performed when the inclination of the first display object (the angle formed with the certain direction) changes from a state larger than the inclination of the second display object to a smaller state. Also good. Further, it may be recognized that the predetermined operation has been performed when the inclination of the first display object changes from a state smaller than the inclination of the second display object to a larger state. Further, the control unit 60 performs the same predetermined operation when the inclination of the first display object changes from a state larger than the inclination of the second display object to a small state and when the inclination changes from a small state to a large state. May be recognized as having been performed, or it may be recognized that different predetermined operations have been performed in both cases.
- the function of displaying an image including one or more objects to be selected or the like on the screen of the display unit 52 is a well-known general display function, and is not particularly described here.
- FIG. 4 is a flowchart showing the operation of the information input system 10.
- the detection unit 42 detects the positions of at least two parts of the indicator 11 in the three-dimensional space (processing step S10).
- the indicator 11 is one hand and the detection unit 42 is set in advance so as to detect the three-dimensional positions of five fingers.
- Each three-dimensional position of each finger detected by the detection unit 42 is acquired by the acquisition unit 43 and transmitted to the control unit 60 and the calculation unit 46.
- the pointer display control unit 62 of the control unit 60 is based on the position of at least one part.
- the position on the screen where the pointer is to be displayed is determined (processing step S12).
- the pointer display control unit 62 calculates, for example, an average position that is intermediate between the three-dimensional position of the index finger and the three-dimensional position of the thumb, and performs a predetermined projection transformation on the average position.
- the position is calculated and determined as the display position of the pointer on the screen.
- the pointer is displayed at the determined display position on the screen of the display device 16 (display unit 52) in the subsequent processing step S20.
- the calculation unit 46 to which each three-dimensional position is transmitted calculates a control amount according to at least two or more positions (processing step S14).
- the calculation unit 46 calculates, for example, the minimum sphere including the three-dimensional position of the index finger and the three-dimensional position of the thumb around the average position of the three-dimensional positions of five fingers, and the radius of the sphere. Is calculated as a controlled variable.
- control unit 60 determines whether or not the calculated control amount satisfies the predetermined condition, that is, whether or not the relationship between the control amount and the predetermined threshold satisfies the predetermined condition. Is determined (processing step S16).
- the predetermined function is a function of performing a predetermined process related to the object displayed at the display position of the pointer on the screen of the display device 16, for example.
- a function for making the object in a selected state for example, a function including changing to a highlighted display mode such as slightly enlarging
- a function for enlarging the shape of the object for example, a function for reducing the object Etc.
- the control unit 60 performs control to update the display content of the screen of the display device 16 (processing step S20).
- the pointer display control unit 62 of the control unit 60 forms a display image for displaying a pointer (position display object) at the position on the screen determined in the processing step S12.
- the graphic display control unit 64 includes, for example, a circle obtained by performing predetermined projection conversion (the same as the projection conversion in the processing step S12) on a sphere whose radius is the control amount determined by the calculation unit 46. A display image for displaying one display object on the screen is formed.
- the auxiliary display control unit 66 performs, for example, the same predetermined projection transformation on a sphere having the same center point as the sphere having the radius of the control amount serving as the basis of the first display object and having the threshold as the radius.
- a display image for displaying the second display object including the circle obtained by applying on the screen is formed. Accordingly, the circle of the first display object becomes a concentric circle having the same center as the circle of the second display object.
- the control unit 60 causes the control display object including the first display object and the second display object and the pointer to be displayed on the screen of the display device 16 based on the display image formed by each unit.
- the image signal formed in the above is output to the display device 16.
- the processing steps S10 to S20 are repeated sequentially. Thereby, the position of each part of the indicator 11 sequentially detected by the detection unit 42 is sequentially acquired by the acquisition unit 43 and transmitted to the control unit 60, and the display content of the screen of the display device 16 is sequentially updated. . Therefore, in addition to a plurality of objects, a control display object and a pointer that change according to the movement of the indicator 11 moved by the operator are displayed on the screen of the display device 16.
- FIG. 5 is a diagram illustrating an example of a GUI provided by the information input system 10.
- a plurality of objects 101 are arranged in the horizontal direction and the vertical direction and displayed on the screen of the display device 16 (display unit 52).
- This example shows a state where the operator tries to select one of the objects displayed on the screen by the movement of the indicator 11 (a state before selection). That is, on the screen, the pointer 103 displayed at a two-dimensional position obtained by performing predetermined projection transformation on the average position between the index finger and the thumb based on the position 102 of each part of the indicator 11 is displayed. ing. Further, based on the position 102 of each part of the indicator 11, the control amount that is the radius of the minimum sphere 104 including the index finger position and the thumb position centered on the average position of the five fingers is represented. A first display object 106 that is a circle obtained by performing predetermined projection transformation on the sphere 104 is displayed. Further, a second display object 108 that is a circle obtained by performing the same predetermined projection transformation on the sphere when it is assumed that the radius of the sphere 104 matches the threshold value is displayed.
- FIG. 6 shows a state where the operator moves the indicator 11 and selects an object from the situation shown in FIG.
- FIG. 6 is a diagram showing an example of a GUI following the situation of the example of FIG.
- This example shows a state where the operator has selected one of the objects displayed on the screen by the movement of the indicator 11 (a state immediately after selection).
- the operator narrows the interval between each position 102 between the index finger and the thumb, and a predetermined projection conversion is performed on the screen based on the position 102 of each part of the indicator 11 to an average position between the index finger and the thumb.
- a pointer 103 displayed at a two-dimensional position obtained by performing the above is displayed.
- a predetermined projection transformation is performed on the sphere 104 to represent a control amount that is a radius of the smallest sphere 104 (sphere smaller than the example in FIG.
- a first display object 106 is displayed which is a circle obtained by applying (circle smaller than the example in FIG. 5). Further, a second display object 108 that is a circle obtained by performing the same predetermined projection transformation on the sphere 104 when it is assumed that the radius of the sphere 104 matches the threshold value is displayed.
- the size of the first display object 106 (circle indicated by a thick line in FIG. 6) is the second display that assists the operation of the indicator 11.
- a state in which the size of the object 108 is changed so as to be smaller than the size of the object 108 (circle indicated by a broken line in FIG.
- control unit 60 recognizes that the operator has performed a predetermined operation (selection in this example). Then, as shown in FIG. 6, selection of the object displayed at the display position of the pointer 103 is executed (the object is highlighted).
- FIG. 7 is a diagram showing another example of the GUI provided by the information input system 10.
- the plurality of objects 101 are displayed in the horizontal direction and the vertical direction on the screen of the display device (display unit 52). Then, a state is shown in which the operator tries to select one of the objects displayed on the screen by the movement of the indicator 11 (state before selection). That is, on the screen, the pointer 103 displayed at a two-dimensional position obtained by performing predetermined projection transformation on the average position based on the index finger, middle finger, ring finger, and little finger positions 102 of the indicator 11 is displayed. ing.
- a first display object 107 that is a line segment is displayed so as to represent a control amount that is an inclination of.
- a second display object 109 is displayed that is a line segment that passes through a position obtained by performing predetermined projection transformation on the average position, and that is a line segment that represents a threshold value by its inclination.
- FIG. 8 shows how the operator moves the indicator 11 and selects an object from the situation shown in FIG.
- FIG. 8 is a diagram showing an example of a GUI following the situation of the example of FIG.
- This example shows a state where the operator has selected one of the objects displayed on the screen by the movement of the indicator 11 (a state immediately after selection). That is, the operator moves the position of the index finger, middle finger, ring finger, and little finger so as to make the inclination of the line segment of the first display object 107 larger than the inclination of the line segment of the second display object 109 while watching the screen. For the operation.
- the indicator 11 is moved and the control amount is matched with the threshold value, the line segment of the first display object 107 and the line segment of the second display object 109 coincide in inclination.
- a pointer 103 displayed at a two-dimensional position obtained by performing predetermined projection transformation on the average position based on the index finger, middle finger, ring finger, and little finger positions 102 of the indicator 11 is displayed.
- a first display object 107 that is a line segment is displayed in order to represent a control amount that is an inclination (larger than that in FIG. 7).
- a second display object 109 is displayed that is a line segment that passes through a position obtained by performing predetermined projection transformation on the average position, and that is a line segment that represents a threshold value by its inclination.
- the magnitude of the inclination of the first display object 107 (the line segment indicated by a thick line in FIG. 8) from the horizontal is for operating the indicator 11.
- a state in which the second display object 109 (the line segment indicated by a broken line in FIG. 8) serving as an auxiliary is changed to be larger than the horizontal inclination is shown.
- the control unit 60 recognizes that the operator has performed a predetermined operation (selection in this example). Then, as shown in FIG. 8, selection of the object displayed at the display position of the pointer 103 is executed (the object is highlighted).
- the operator confirms the second display objects 108 and 109 for operation assistance displayed on the screen of the display device 16 (display unit 52).
- the first display objects 106 and 107 can be changed, a predetermined operation such as selection can be performed, and a corresponding predetermined function can be executed. Therefore, the operator can easily perform the pointing operation and the selection operation for the object displayed on the screen without using a special operation device.
- FIG. 9 is a functional block diagram of the information input system 10a.
- the information input system 10a is a system for a device that acquires an operator's operation on an image displayed on the display unit 52, and includes a detection unit 42, an information processing unit 70a, and a display unit 52.
- the information processing unit 70a is a processing system that performs control of screen display using a three-dimensional position, and is realized by the control device 20, and includes the acquisition unit 43a, the identification unit 54, the calculation unit 46a, and the control unit 60a.
- the acquisition unit 43a, the calculation unit 46a, and the control unit 60a in the information processing unit 70a are partially modified from the acquisition unit 43, the calculation unit 46, and the control unit 60 of the information processing unit 70 described in the first embodiment. Detailed description of the same points is omitted.
- the acquisition unit 43a has a function of acquiring the three-dimensional position detected by the detection unit 42 with respect to the indicator 11 and transmitting it to the specifying unit 54. That is, the acquisition unit 43a serves as a three-dimensional position input interface in the information processing unit 70a.
- the specifying unit 54 specifies one part of each part of the indicator 11 as a pointer control part indicating a part corresponding to the position of the pointer displayed on the display unit 52, and in addition to the position of each part, the pointer control part Is transmitted to the calculation unit 46 and the control unit 60. Specifically, the specifying unit 54 specifies, for example, a part physically closest to the display unit 52 as a pointer control part among the parts of the pointing object in the three-dimensional space whose position is detected by the detecting unit 42, for example. . The specifying unit 54 may specify, as a pointer control part, a part in which the position is detected from the past in time series among the positions of the detected parts of the indicator 11, or the thumb A specific finger such as, etc. may be specified as the pointer control part.
- the calculation unit 46a responds to the position of one or more other (remaining) parts based on the position of the pointer control part among the positions of the parts of the indicator 11 in the three-dimensional space transmitted to the specifying part 54.
- the control amount is calculated and transmitted to the control unit 60a.
- the control amount is an amount that varies when the operator performs an operation of moving the indicator 11 in order to express the intention of selection, enlargement, reduction, etc., and the control amount other than that is based on the pointer control part of the indicator 11 This is an amount reflecting the position of one or more parts.
- the calculation unit 46a calculates the smallest sphere including the three-dimensional position of the other part (for example, the index finger) using the pointer control part (for example, the thumb) of the indicator 11 in the three-dimensional space as a reference (center).
- the radius of the sphere is calculated as a controlled variable.
- a predetermined condition that is, when the relationship between the control amount and the predetermined threshold satisfies a predetermined condition (a predetermined equivalent relationship, a predetermined magnitude relationship, etc.)
- a predetermined condition a predetermined equivalent relationship, a predetermined magnitude relationship, etc.
- the control unit 60a is based on the three-dimensional position of the pointer control part of the indicator 11 and the three-dimensional position of the remaining one or more parts transmitted from the specifying unit 54, and the control amount calculated by the calculation unit 46a. It functions to update screen display and control predetermined processes related to objects. As an update of the screen display, the control unit 60a displays a pointer (position display object) at a position on the screen determined according to the current three-dimensional position of the pointer control part of the indicator 11, and relates to the indicator 11. Then, control is performed so as to display a control display object (graphic) for representing the control amount determined in this way.
- control unit 60a determines whether or not an operation such as selection, enlargement, or reduction has been performed depending on whether or not the control amount satisfies a predetermined condition, and when an operation such as selection, enlargement, or reduction is performed, a pointer Performs processing related to the object displayed at the position where is displayed.
- the control unit 60a includes a pointer display control unit 62a, a graphic display control unit 64a, an auxiliary display control unit 66, and a threshold storage unit 48 as functional components.
- the pointer display control unit 62a has a function of controlling the position of the display unit 52 on the screen so that the pointer is displayed at the position corresponding to the position of the pointer control part specified by the specifying unit 54.
- the pointer display control unit 62 calculates a two-dimensional position obtained by performing predetermined projection transformation on the three-dimensional position of the pointer control part in the three-dimensional space, and sets it as the display position.
- the predetermined projection conversion is, for example, projection conversion onto a display two-dimensional coordinate plane parallel to the screen of the display unit 52.
- the graphic display control unit 64a displays a first display object (part of the control display object) that is a graphic reflecting the size of the control amount calculated by the calculation unit 46a on the screen of the display unit 52. It has the function to control to display. For example, when the calculation unit 46a calculates the minimum sphere including the three-dimensional position of the other part around the three-dimensional position of the pointer control part of the indicator 11, and calculates the radius of the sphere as the control amount, A circle obtained by applying a predetermined projection transformation to a sphere having a radius is the first display object.
- the threshold storage unit 48 is realized by one area in the RAM 26 or the recording medium 28, and has a function of storing a threshold as a reference used for determining whether or not the control amount satisfies a predetermined condition.
- the threshold value is set within a range in which the control amount can be varied by the manufacturer, the operation manager, or the operator of the information input system 10a. Taking an example of the threshold when the control amount is calculated as the radius of the smallest sphere centered on the thumb and including the position of the index finger, it is assumed that the control amount can vary within a range up to about 15 cm, for example. For example, the threshold for enlargement processing is 8 cm, and the threshold for reduction processing is 4 cm.
- the auxiliary display control unit 66 displays a second display object (a part of the control display object) that is a graphic reflecting the size of the threshold stored in the threshold storage unit 48 in the display unit 52. It has a function to control display on the screen. For example, a circle obtained by performing a predetermined projection transformation on a sphere having a radius as a threshold is the second display object.
- the second display object is concentric with the circle that is the first display object, and the ratio between the threshold value and the control amount is the ratio between the radius of the circle that is the second display object and the radius of the circle that is the first display object. Match.
- the second display object is a plurality of concentric circles.
- the control unit 60a reflects the control amount in the size or orientation (tilt) of the figure, and the figure (first display object) such as a circle, a line segment, or a polygon, and operations such as selection, enlargement, and reduction.
- the display unit 52 displays a figure (second display object) such as a circle, a line segment, or a polygon (triangle, quadrangle, etc.) reflecting a threshold value for the control amount as a determination criterion in the size or orientation (tilt) of the figure. It controls to display on the screen.
- the control unit 60 compares the control amount calculated by the calculation unit 46 with a threshold value to determine whether the control amount satisfies a predetermined condition. When the control amount and the threshold value match, the control unit 60 is displayed on the screen.
- the size or direction of the first display object and the second display object to be matched will be the same.
- the calculation unit 46a calculates the control amount according to the position of the remaining one or more parts with the position of the pointer control part of the indicator 11 as a reference. An example will be described.
- the calculation unit 46a passes through the three-dimensional position of the pointer control part (for example, thumb) of the indicator 11, and is closest to the three-dimensional position of the remaining part of the indicator 11 (for example, four fingers other than the thumb). May be calculated by a least square method or the like, and the slope of a line segment obtained by applying a predetermined projection transformation to the regression line may be calculated as a control amount.
- the predetermined projection conversion is, for example, projection conversion to a two-dimensional coordinate plane for display parallel to the screen of the display unit 52. When a line segment obtained by this projection conversion is drawn on the screen, a line as a control amount is obtained.
- the inclination of the minute is represented by, for example, an angle formed with the horizontal direction of the screen.
- the graphic display control unit 64a displays, as a first display object, a line segment obtained by subjecting the regression line to projection conversion onto a two-dimensional coordinate plane for display (a line segment related to the control amount). It may be controlled to display on the screen of the unit 52.
- the auxiliary display control unit 66 is a line segment passing through the line segment related to the control amount, and the inclination with respect to the horizontal direction matches the threshold value (in this case, the inclination value) stored in the threshold value storage unit 48. Such a line segment may be controlled to be displayed on the screen of the display unit 52 as the second display object.
- FIG. 10 is a flowchart showing the operation of the information input system 10a.
- the detection unit 42 detects the positions of at least two parts of the indicator 11 in the three-dimensional space (processing step S30).
- the indicator 11 is one hand, and the detection unit 42 is set in advance so as to detect the three-dimensional position of five fingers (at least two fingers, the thumb and the index finger).
- Each three-dimensional position of each finger detected by the detection unit 42 is acquired by the acquisition unit 43 a and transmitted to the specifying unit 54.
- the specifying unit 54 When the position of each part of the indicator 11 detected by the detection unit 42 is transmitted by the acquisition unit 43a, the specifying unit 54 performs pointer control on the part corresponding to the position of the pointer to be displayed on the screen of the display unit 52.
- One part is specified (processing step S32).
- the thumb is specified as the pointer control part, and the position of the pointer control part and the position of each remaining part are distinguished and transmitted to the control unit 60a and the calculation unit 46a.
- the pointer display control unit 62a of the control unit 60a to which the position of the pointer control part is transmitted determines a position on the screen where the pointer is to be displayed based on the position of the pointer control part (processing step S34).
- processing step S34 determines a position on the screen where the pointer is to be displayed based on the position of the pointer control part.
- the pointer display control unit 62a calculates a two-dimensional position obtained by performing predetermined projection transformation on the position of the thumb, and displays the pointer on the screen. The display position is determined.
- the pointer is displayed at the determined display position on the screen of the display device 16 (display unit 52).
- the calculation unit 46a to which each three-dimensional position is transmitted calculates a control amount according to the position of one or more other parts based on the position of the pointer control part (processing step S36).
- the calculation unit 46a calculates, for example, the smallest sphere including the three-dimensional position of the index finger centered on the position of the thumb specified as the pointer control part, and calculates the radius of the sphere as the control amount.
- control unit 60a determines whether or not the calculated control amount satisfies a predetermined condition, that is, whether or not the relationship between the control amount and the predetermined threshold satisfies a predetermined condition. Is determined (processing step S38).
- the predetermined function is a function of performing a predetermined process related to the object displayed at the display position of the pointer on the screen of the display device 16, for example. Specific examples include a function for enlarging or reducing the shape of the object, a function for selecting the object, and the like.
- the control unit 60a executes the enlargement function when the control amount changes from a state smaller than one threshold value to a larger state, and reduces when the control amount changes from a state larger than another threshold value to a smaller state.
- the function may be executed.
- the control unit 60a performs control to update the display content of the screen of the display device 16 (processing step S42). Specifically, the pointer display control unit 62a of the control unit 60a forms a display image for displaying a pointer (position display object) at the position on the screen determined in the processing step S34. Further, the graphic display control unit 64a includes, for example, a circle obtained by performing a predetermined projection conversion (the same as the projection conversion in the processing step S34) on a sphere whose radius is the control amount determined by the calculation unit 46a. A display image for displaying one display object on the screen is formed.
- the auxiliary display control unit 66 performs, for example, the same predetermined projection transformation on a sphere having the same center point as the sphere having the radius of the control amount serving as the basis of the first display object and having the threshold as the radius.
- a display image for displaying the second display object including the circle obtained by applying on the screen is formed. Accordingly, the circle of the first display object becomes a concentric circle having the same center as the circle of the second display object.
- the control unit 60 a displays the control display object including the first display object and the second display object and the pointer on the screen of the display device 16 based on the display image formed by each unit.
- the image signal formed in the above is output to the display device 16.
- the processing steps S30 to S42 are repeated sequentially. Thereby, the position of each part of the indicator 11 sequentially detected by the detection unit 42 is sequentially acquired by the acquisition unit 43a and transmitted to the control unit 60 via the specifying unit 54, and the display content of the screen of the display device 16 is sequentially updated. Will be updated. Therefore, in addition to a plurality of objects, a control display object and a pointer that change according to the movement of the indicator 11 moved by the operator are displayed on the screen of the display device 16.
- FIG. 11 is a diagram illustrating an example of a GUI provided by the information input system 10a.
- a plurality of objects 201 are arranged and displayed on the screen of the display device 16 (display unit 52).
- the thumb is specified as the pointer control part, and the operator tries to enlarge or reduce one of the objects displayed on the screen by the movement of the indicator 11 (before enlargement and before reduction).
- a pointer 204 displayed at a two-dimensional position obtained by performing predetermined projection transformation on the thumb position 202 in the indicator 11 is displayed on the screen.
- a predetermined projection transformation is applied to the sphere 209 in order to represent a control amount that is the radius of the smallest sphere 209 including the position of the index finger, using the thumb position 202 as a pointer control part of the indicator 11 as a reference (center).
- a first display object 205 which is a circle obtained by applying, is displayed.
- second display objects 206 and 207 which are circles obtained by performing the same predetermined projection transformation on the sphere when it is assumed that the radius of the sphere 209 matches the threshold value are displayed.
- FIG. 12 shows a state in which the operator moves the indicator 11 and performs an object reduction operation from the situation shown in FIG.
- FIG. 12 is a diagram showing an example of a GUI following the situation of the example of FIG.
- one of the objects displayed on the screen is reduced by the movement of the indicator 11 by the operator.
- the operator narrows the interval between each position 102 between the index finger and the thumb, and the pointer 204 displayed on the screen at a two-dimensional position obtained by performing predetermined projection transformation on the thumb position 202 of the indicator 11. Is displayed.
- a first display object 205 which is a smaller circle than the example of FIG.
- a second display object 206 which is a circle obtained by performing the same predetermined projection transformation on the sphere when it is assumed that the radius of the sphere 209 matches the reduction threshold, is displayed.
- a second display object 207 is displayed that is a circle obtained by performing the same predetermined projection transformation on the sphere when it is assumed that the radius of the sphere 209 matches the enlargement threshold.
- the size of the first display object 106 (circle indicated by a thick line in FIG. 11) is a second display that assists the operation of the indicator 11.
- a state in which the object 206 is changed so as to be smaller than the size of the object 206 (the smaller circle indicated by a broken line in FIG. 12) is shown.
- the control unit 60a recognizes that the operator has performed a predetermined operation (a reduction operation in this example). Then, as shown in FIG. 12, the object displayed at the display position of the pointer 204 is reduced.
- the control unit 60a performs an enlargement operation. The object displayed at the display position of the pointer 204 is enlarged.
- the operator moves the part different from the finger (pointer control part) for operating the pointer displayed on the screen of the display unit 52, thereby performing enlargement, reduction, etc.
- the operation can be performed, and the corresponding predetermined function can be executed. Therefore, the operator can easily perform a pointing operation on an object displayed on the screen and operations such as enlargement, reduction, and selection without using a special operation device.
- FIG. 13 is a functional block diagram of the information input system 10b.
- This information input system 10b is a system for a device that acquires an operator's operation on an image displayed on the display unit 52.
- the information input system 10b includes a detection unit 42, an information processing unit 70b, and a display unit 52.
- the information processing unit 70b is a processing system that controls screen display using a three-dimensional position, and is realized by the control device 20, and includes an acquisition unit 43, a calculation unit 46, a threshold setting unit 49, and a control unit 60b.
- Have The control unit 60b in the information processing unit 70b is a partial modification of the control unit 60 of the information processing unit 70 shown in the first embodiment, and detailed description of the same points is omitted.
- the information input system 10b sets a threshold according to information input by an operator using an input means (not shown) such as a keyboard. It has a function.
- the information input system 10b has a threshold setting unit 49 functionally as a function of this function.
- the threshold setting unit 49 receives an input of information related to the indicator 11 (information related to the size of the operator's hand) from the operator via the input unit, and a range in which the control amount can vary based on the information. It has a function of determining a threshold value that is within.
- calculation of the threshold value will be described on the assumption that the radius of a sphere including each finger of one hand as described with reference to FIGS. 5 and 6 in the first embodiment is used as a control amount.
- input of information on the size of the hand such as the maximum distance from the thumb to the little finger is accepted, and the size of the hand set as a standard (for example, 18 cm) and a threshold set as a standard of 6 cm (control amount)
- the threshold value is calculated from the fluctuation range of 4 cm to 10 cm. If the input value of the hand size is 12 cm, which is 2/3 of the standard, for example, the threshold value is set to 4 cm, which is 2/3 of the standard.
- this threshold value may be calculated based on a calculation, or may be calculated based on a table (a correspondence table between hand size and threshold value) created in advance.
- the threshold setting unit 49 allows the operator to input the gender so that the average difference in the size of the hand between men and women is taken into account.
- the threshold may be calculated by a calculation method. In this case, the threshold value setting unit 49 calculates the threshold value so that it is 1 cm smaller than the standard threshold value for females, for example, and 1 cm larger than the standard threshold value for males when it receives a gender input. Do.
- the threshold storage unit 48 in the control unit 60b stores the threshold calculated by the threshold setting unit 49 as a reference used for determining whether or not the control amount satisfies a predetermined condition.
- the information input system 10b configured as described above corresponds to the position of the indicator 11 in the same manner as the information input system 10 described in the first embodiment.
- a predetermined function is executed if the determined control amount satisfies a predetermined condition.
- an information input system 10b when an operator inputs information on the indicator 11 in advance, the operator can perform operations such as enlargement, reduction, and selection for an object displayed on the screen. It will be easy to use.
- an image captured by the stereo camera 12 is analyzed by the control device 20 and the three-dimensional position of the indicator 11 is calculated.
- a sensor that detects a three-dimensional position of a part and transmits position information to the control device 20 may be used.
- the detection unit 42 may be realized by using a device that detects a three-dimensional position as two-dimensional position information (for example, one camera) instead of the stereo camera 12.
- the unit 43 acquires a two-dimensional position of each part of the indicator 11 (a position represented by a coordinate value Q (x, y) with reference to two axes (X axis, Y axis) orthogonal to each other in the two-dimensional plane). Will do.
- the calculation unit 46 calculates the control amount according to at least two or more positions among the two-dimensional positions of each part of the acquired indicator 11 and transmits the calculated control amount to the control unit 60. become.
- This control amount is, for example, the smallest circle including each two-dimensional position obtained by imaging a plurality of parts of the indicator 11 in the three-dimensional space with a single camera from a certain direction on the screen side of the display device 16. And the radius of the circle is calculated as a controlled variable.
- a predetermined condition that is, when the relationship between the control amount and a predetermined threshold satisfies a predetermined condition (a predetermined equivalent relationship, a predetermined magnitude relationship, etc.)
- a predetermined condition a predetermined equivalent relationship, a predetermined magnitude relationship, etc.
- the pointer display control unit 62 determines the position on the screen in the display unit 52 based on the two-dimensional position of each part of the indicator 11, and controls to display the pointer (position display object) at that position.
- the graphic display control unit 64 displays a first display object (a circle having a control amount as a radius) which is a graphic reflecting the size of the control amount calculated by the calculation unit 46 in the display unit. Control to display on the screen at 52.
- the auxiliary display control unit 66 is a second display object (a circle having a radius as a first threshold, which is a graphic reflecting the size of the threshold stored in the threshold storage unit 48 in the size of the graphic.
- the display unit 52 is controlled to display a circle having the same center as the circle of the display object.
- the operator moves the first display object on the screen and moves functions such as selection by moving the indicator 11 while grasping the relationship with the second display object on the screen. Will be able to.
- the first display object reflecting the size of the control amount in the size of the graphic and the second display object reflecting the size of the threshold in the size of the graphic do not necessarily have to be similar.
- the threshold value may be reflected in any size (value) such as the length, area, and angle of each display object (graphic).
- the length of the figure may be, for example, the length of a specific part such as the longest side.
- the angle of the graphic may be, for example, an angle formed by one side of the graphic and a specific direction (such as the horizontal direction).
- the color of the graphic for example, the order when the values of the respective colors are determined in a certain order may be regarded as the size of the graphic, and the control amount and the threshold value may be reflected in the color of the graphic.
- control display object and the pointer are displayed on the screen of the display device 16 according to the position of one or more parts of the indicator 11.
- the control display object may play a role of a pointer (a role of pointing by the display position) without particularly displaying.
- a position where a specific part such as the center of a figure which is a control display object is pointing may be represented.
- the control unit may control to display the specific portion at the position determined in the processing step S12 of FIG. 4 or the processing step S34 of FIG.
- the display position of the control display object may be in the vicinity of a predetermined distance range from the pointer, or fixed on the screen. It may be a position.
- each component may be configured by dedicated hardware or may be realized by executing software (program) suitable for each component.
- Each component may be realized by a program execution unit such as a CPU or a processor reading and executing software (program) recorded on a recording medium such as a hard disk or a semiconductor memory.
- the software that realizes the information input system in the first to third embodiments described above is the following control program.
- a control step for performing the predetermined process when it is determined that the predetermined condition is satisfied.
- control program may be recorded on a recording medium and distributed or distributed.
- the distributed control program in the devices and causing the processors of the devices to execute, it is possible to cause the devices to perform various processes (such as the processes shown in FIGS. 4 and 10).
- the system LSI is an ultra-multifunctional LSI manufactured by integrating a plurality of components on a single chip.
- the system LSI is a computer system including a microprocessor, a ROM, a RAM, and the like.
- a computer program is stored in the ROM.
- the system LSI achieves its functions by the microprocessor loading a computer program from the ROM to the RAM and performing operations such as operations in accordance with the loaded computer program.
- each of the above-described devices may be configured from an IC card that can be attached to and detached from each device or a single module.
- the IC card or module is a computer system that includes a microprocessor, ROM, RAM, and the like.
- the IC card or the module may include the super multifunctional LSI described above.
- the IC card or the module achieves its function by the microprocessor operating according to the computer program. This IC card or this module may have tamper resistance.
- the present invention also relates to a computer-readable recording medium such as a flexible disk, hard disk, CD-ROM, MO, DVD, DVD-ROM, DVD-RAM, BD (Blu-ray (registered)). Trademark) (Disc), recorded in a semiconductor memory or the like. Further, it may be realized by a digital signal recorded on these recording media.
- a computer-readable recording medium such as a flexible disk, hard disk, CD-ROM, MO, DVD, DVD-ROM, DVD-RAM, BD (Blu-ray (registered)). Trademark) (Disc), recorded in a semiconductor memory or the like. Further, it may be realized by a digital signal recorded on these recording media.
- the computer program or digital signal according to the present invention may be transmitted via an electric communication line, a wireless or wired communication line, a network represented by the Internet, a data broadcast, or the like.
- the present invention is implemented by another independent computer system by recording and transferring a program or digital signal on a recording medium or by transferring a program or digital signal via a network or the like. Also good.
- each processing may be realized by centralized processing by a single device (system), or may be realized by distributed processing by a plurality of devices. May be.
- the present invention can be used for an information input system that provides a GUI.
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Abstract
Description
操作者が特別な操作機器を用いずに、オブジェクトに対する選択等の動作を容易に行えるようにすべく、本発明の一態様に係る情報処理方法は、情報処理装置において、画面に表示された対象に関連して所定処理を実行するための情報処理方法であって、指示物における2以上の各部位についての検出された位置を示す位置情報を取得する取得ステップと、前記位置情報が示す2以上の各部位の位置に基づいて制御量を算定する算定ステップと、前記算定ステップにおいて算定された制御量を表す第1表示物と当該制御量が所定条件を満たすか否かの判定基準となる閾値を表す第2表示物とを含む制御表示物を画面に表示するよう制御し、当該制御量が当該所定条件を満たすと判定した場合に前記所定処理を行う制御ステップとを含む情報処理方法である。ここで、制御ステップにおける制御は、表示装置等の機器類の制御や、情報処理装置の各部の制御を含む。また、所定処理は、光、電気信号等の出力等として現れる処理であり、表示装置等により表示された画面内容の変更や画面中のあるオブジェクト(対象)に関する処理(選択、拡大縮小等)を含む。
以下、第1の実施の形態に係る情報入力システム10について、図1~図8に基づいて説明する。
以下、第2の実施の形態に係る情報入力システム10aについて、図9~図12に基づいて説明する。情報入力システム10aのハードウェア構成は、図2に示すものと同一である。なお、第1の実施の形態と同じ構成及び処理については詳しい説明を省略する。
以下、第3の実施の形態に係る情報入力システム10bについて、図13に基づいて説明する。情報入力システム10bのハードウェア構成は、図2に示すものと同一である。なお、第1の実施の形態と同じ構成及び処理については詳しい説明を省略する。
以上、情報処理装置及び情報処理方法の一実施態様としての情報入力システムについて、第1~第3の実施の形態に基づいて説明したが、上述した各実施の形態は一例にすぎず、本発明はこれらの実施の形態に限定されるものではない。上述した各実施の形態に、本発明の趣旨を逸脱しない限り当業者が思いつく各種変形を施してもよい。その他、各実施の形態で示した構成要素及び機能を任意に組み合わせることで実現される形態も本発明の範囲に含まれる。
11 指示物
12 ステレオカメラ
14 通信装置
16 表示装置
18 入力装置
20 制御装置
22 CPU
24 ROM
26 RAM
28 記録媒体
42 検出部
43、43a 取得部
46、46a 算定部
48 閾値記憶部
49 閾値設定部
52 表示部
54 特定部
60、60a、60b 制御部
62、62a ポインタ表示制御部
64、64a 図形表示制御部
66 補助表示制御部
70、70a、70b 情報処理部
Claims (15)
- 情報処理装置において、画面に表示された対象に関連して所定処理を実行するための情報処理方法であって、
指示物における2以上の各部位についての検出された位置を示す位置情報を取得する取得ステップと、
前記位置情報が示す2以上の各部位の位置に基づいて制御量を算定する算定ステップと、
前記算定ステップにおいて算定された制御量を表す第1表示物と当該制御量が所定条件を満たすか否かの判定基準となる閾値を表す第2表示物とを含む制御表示物を画面に表示するよう制御し、当該制御量が当該所定条件を満たすと判定した場合に前記所定処理を行う制御ステップとを含む
情報処理方法。 - 前記制御ステップでは、更に、前記位置情報が示す1以上の位置に応じて定めた画面上の位置に位置表示物を表示するよう制御し、
前記制御ステップでは、前記位置表示物の表示位置に表示されていた対象に関連して前記所定処理を行う
請求項1記載の情報処理方法。 - 前記位置情報は、3次元位置を表す情報であり、
前記情報処理方法は更に、前記指示物における2以上の各部位についての3次元位置を検出することにより前記位置情報を逐次生成する検出ステップを含み、
前記取得ステップでは、前記検出ステップにおいて生成された前記位置情報を逐次取得し、
前記制御ステップでは、前記取得ステップにおける前記位置情報の逐次取得に対応して、前記位置表示物及び前記制御表示物を前記画面に逐次表示し、
前記制御ステップにおいて前記位置表示物を表示するよう制御する画面上の位置は、前記位置情報に基づいて定めた1つの3次元位置に所定の投影変換を施して得られる2次元位置である
請求項2記載の情報処理方法。 - 前記第2表示物は、前記閾値を表す所定の大きさの図形を含み、
前記第1表示物は、前記第2表示物に含まれる前記所定の大きさの図形と形状が相似であり、前記制御量を図形の大きさに反映した図形を含む
請求項3記載の情報処理方法。 - 前記第2表示物に係る前記所定の大きさの図形は、前記閾値を表すための所定の大きさの円であり、
前記第1表示物は、前記制御量の算定の基礎となった2以上の各位置を包含する最小の球に所定の投影変換を施して得られる円であって、前記第2表示物に係る円と中心を同じくする円を含む
請求項4記載の情報処理方法。 - 前記情報処理方法は更に、前記指示物における1つの部位を特定する特定ステップを含み、
前記制御ステップにおいて前記位置表示物を表示するよう制御する画面上の位置は、前記特定ステップにおいて特定された部位についての前記位置情報が示す3次元位置に、前記所定の投影変換を施して得られる2次元位置であり、
前記球は前記特定ステップにおいて特定された部位の位置を中心とする球であり、
前記算定ステップでは、制御量の前記算定を、前記特定ステップにおいて特定された部位の位置を基準として前記特定ステップにおいて特定された部位以外の前記指示物の1以上の部位の位置に応じて行う
請求項5記載の情報処理方法。 - 前記第2表示物は、前記閾値を表すための所定の傾きを有する線分を含み、
前記第1表示物は、前記第2表示物に含まれる前記線分と同じ点を通る線分であって前記制御量を線分の傾きに反映した線分を含む
請求項3記載の情報処理方法。 - 前記第1表示物は、前記制御量の算定の基礎となった2以上の各位置に最も近接する回帰直線に所定の投影変換を施して得られる線分であり、
前記情報処理方法は更に、前記指示物における1つの部位を特定する特定ステップを含み、
前記制御ステップにおいて前記位置表示物を表示するよう制御する画面上の位置は、前記特定ステップにおいて特定された部位についての前記位置情報が示す3次元位置に、前記所定の投影変換を施して得られる2次元位置であり、
前記回帰直線は、前記特定ステップにおいて特定された部位についての前記位置情報が示す3次元位置を通る直線であり、
前記算定ステップでは、制御量の前記算定を、前記特定ステップにおいて特定された部位以外の前記指示物の1以上の部位の位置に基づいて行う
請求項7記載の情報処理方法。 - 前記情報処理方法は更に、前記指示物における1つの部位を特定する特定ステップを含み、
前記制御ステップにおいて前記位置表示物を表示するよう制御する画面上の位置は、前記特定ステップにおいて特定された部位についての前記位置情報が示す3次元位置に、前記所定の投影変換を施して得られる2次元位置である
請求項3記載の情報処理方法。 - 前記制御ステップでは、前記制御量と前記閾値とが、等価関係又は大小関係である所定の関係性を満たす場合に前記所定条件を満たすと判定する
請求項1記載の情報処理方法。 - 前記制御ステップでは、前記制御量と前記閾値との大小関係が変化するように前記制御量が遷移した場合に前記所定条件を満たすと判定する
請求項1記載の情報処理方法。 - 前記制御ステップでは、前記制御量が、前記閾値よりも小さい値から大きい値へと遷移した場合及び前記閾値よりも大きい値から小さい値へと遷移した場合のうちいずれか一方の場合に限って前記所定条件を満たすと判定する
請求項1記載の情報処理方法。 - 前記位置情報は、3次元位置を表す情報であり、
前記情報処理方法は更に、前記指示物における2以上の各部位についての3次元位置を検出することにより前記位置情報を生成する検出ステップを含み、
前記取得ステップでは、前記検出ステップにおいて生成された前記位置情報を取得し、
前記制御ステップでは、前記位置情報に基づいて定めた1つの3次元位置に所定の投影変換を施して得られる画面上における2次元位置に、前記制御表示物を表示するよう制御し、前記制御量が前記所定条件を満たすと判定した場合において前記制御表示物の表示位置に表示されていた対象に関連して前記所定処理を行う
請求項1記載の情報処理方法。 - 指示物における2以上の各部位についての検出された位置を示す位置情報を取得する取得部と、
前記位置情報が示す2以上の各部位の位置に基づいて制御量を算定する算定部と、
前記算定部により算定された制御量を表す第1表示物と当該制御量が所定条件を満たすか否かの判定基準となる閾値を表す第2表示物とを含む制御表示物を画面に表示するよう制御し、当該制御量が当該所定条件を満たすと判定した場合に所定処理を行う制御部とを備える
情報処理装置。 - プロセッサを有する情報処理装置に、画面に表示された対象に関連して所定処理を実行するための情報処理を実行させるための制御プログラムを記録した記録媒体であって、
前記情報処理は、
指示物における2以上の各部位についての検出された位置を示す位置情報を取得する取得ステップと、
前記位置情報が示す2以上の各部位の位置に基づいて制御量を算定する算定ステップと、
前記算定ステップにおいて算定された制御量を表す第1表示物と当該制御量が所定条件を満たすか否かの判定基準となる閾値を表す第2表示物とを含む制御表示物を画面に表示するよう制御し、当該制御量が当該所定条件を満たすと判定した場合に前記所定処理を行う制御ステップとを含む
記録媒体。
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JP6159323B2 (ja) | 2017-07-05 |
JPWO2014119258A1 (ja) | 2017-01-26 |
US9323343B2 (en) | 2016-04-26 |
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