WO2007145007A1 - 操作確認情報提供装置およびそのような装置を備えた電子機器 - Google Patents
操作確認情報提供装置およびそのような装置を備えた電子機器 Download PDFInfo
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- WO2007145007A1 WO2007145007A1 PCT/JP2007/055737 JP2007055737W WO2007145007A1 WO 2007145007 A1 WO2007145007 A1 WO 2007145007A1 JP 2007055737 W JP2007055737 W JP 2007055737W WO 2007145007 A1 WO2007145007 A1 WO 2007145007A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
- G06F9/453—Help systems
Definitions
- Operation confirmation information providing apparatus and electronic apparatus equipped with such apparatus
- the present invention relates to a user operation support technology when operating hardware and Z or software. More specifically, the present invention applies to the user confirmation of the operation to be performed by the user and explanation of the operation when the user operates hardware and Z or software related to devices, programs, services, etc. Related to the device to be executed.
- the operation support performed by the device to the user includes support for automatically confirming the operation before the function of the device is executed, and a help screen or a request according to the request of the user after the function is executed. This can be broadly divided into support for displaying help explanations.
- an operation explanation and an operation confirmation sentence regarding the function prepared in advance by the designer are automatically displayed. For example, an explanation of an operation related to a newly added function or an explanation of an operation that cannot be restored to the state before the operation such as content deletion is displayed.
- a help request is generally issued after executing a function that is not user-friendly ⁇ Displays a help description.
- the same help explanation regarding the requested function is uniformly presented to all users, so that it is not possible to explain the operation according to the user's operational skill (skill level). And there is a problem.
- Patent Document 1 discloses an adaptive information output method that makes it possible to explain an operation in accordance with the user's proficiency level. According to this method, regarding the function operation requested by the user, the proficiency level of the requested function operation is estimated and estimated based on the similarity with the function operation of the device previously used by the user. Operational explanations are given according to the proficiency level. As a result, it is possible to provide an explanation adapted to the user's proficiency level with respect to the user's required operation.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2004-38867
- Patent Document 1 Regarding the support for displaying help after executing a function, the method technique described in Patent Document 1 needs to receive a user's request for an explanation of a function that cannot be used. The user is forced to perform complicated operations by inputting a requested operation to the device every time the operation method is troublesome.
- An object of the present invention is to estimate an operation that is likely to be incorrect according to the user's knowledge during the user's input operation, and automatically display an operation confirmation for an operation that has a high probability of being erroneous It is to provide a device that supports operation such as.
- An electronic device includes a storage unit storing a database including a plurality of erroneous operation patterns, an input unit that receives a user operation, operation information indicating the received operation, and the operation is corrected.
- a determination unit for determining whether or not to confirm the operation from at least one erroneous operation pattern corresponding to the user determined by referring to the database based on the correction information indicating whether or not
- an output unit that outputs a signal for presenting an operation confirmation message when it is determined to confirm.
- Each operation pattern is based on the operation experience of multiple users who have operation experience other than the operation target device. This is information on erroneous operation of each function of the operation target device defined based on the above.
- the electronic device refers to the database based on the operation information and the correction information, determines at least one erroneous operation pattern corresponding to the user, and determines the determined at least one erroneous operation
- a calculation unit is further provided for calculating a probability of an erroneous operation related to each operation information of the pattern, and the determination unit determines whether or not to confirm the operation based on an erroneous operation probability corresponding to the operation information. You can judge it.
- An apparatus for providing operation confirmation information is used in an electronic device that has an input unit that receives a user operation and operates based on the operation.
- the apparatus is based on a storage unit storing a database including a plurality of erroneous operation patterns, operation information indicating an accepted operation, and correction information indicating whether or not to correct the operation! /
- a determination unit for determining whether or not to confirm the operation from at least one erroneous operation pattern corresponding to the user determined with reference to, and an operation confirmation message when it is determined to confirm
- An output unit that outputs the above signal may be provided.
- Each erroneous operation pattern is information on erroneous operation of each function of the operation target device specified based on the operation experience of a plurality of users.
- the apparatus refers to the database based on the operation information and the correction information, determines at least one erroneous operation pattern corresponding to the user, and determines the determined at least one
- a calculation unit is further provided for calculating a probability of an erroneous operation related to each operation information of the erroneous operation pattern, and the determination unit determines whether to confirm the operation based on an erroneous operation probability corresponding to the operation information. But ⁇ .
- the output unit may output an instruction signal for executing an operation based on the accepted operation.
- the operation confirmation information providing apparatus may further include a probability information storage unit that holds the probability information.
- the determination unit may determine whether or not to confirm the operation based on a comparison result between a probability of an erroneous operation corresponding to the operation information and a predetermined threshold value.
- the operation confirmation information providing device is a selection unit that selects and outputs the operation information and the correction information based on the received operation.
- a selection unit that outputs the correction information based on at least one of an operation received after generating the operation information and an elapsed time from the reception of the operation and the operation information. Get ready.
- the sorting unit When a signal including the operation confirmation message is output, when an operation for confirming the operation that has been confirmed is performed, the sorting unit includes operation information indicating the operation that has been confirmed. The correction information indicating that the operation is not corrected may be output.
- the selection unit When a signal including the operation confirmation message is output, when an operation for canceling the confirmed operation is performed, the selection unit includes operation information indicating the operation performed for the confirmation, You can also output correction information indicating that the operation is to be corrected.
- the selection unit may output operation information indicating the operation and correction information indicating that the operation is to be corrected.
- the selection unit When the next operation is not accepted within a predetermined time from the time when the operation is received, the selection unit outputs operation information indicating the operation and correction information indicating that the operation is corrected. May be.
- each of the erroneous operation patterns is based on the operation experience of a plurality of users who operated one of a plurality of operation target devices having different operation systems! / , Stipulated!
- Each operation target device may have a predetermined number or more of functions that are common to devices that have been previously operated by the plurality of users.
- Each operation target device may have a predetermined number or more of button labels that are different from the devices that the plurality of users have previously experienced!
- the number of operation steps required to be executed by each operation target device is determined so that the plurality of users have an operation experience in advance.
- the number of operation steps required to execute the device may be different.
- each of the erroneous operation patterns includes an operation error related to at least one function common to the devices that the plurality of users have previously operated. Even information.
- the operation confirmation information providing apparatus further includes an update unit that updates the probability, and when the determination unit determines to confirm the operation, the update unit confirms the operation. Update the probability corresponding to the operation information of the operation according to the total number of times.
- the updating unit may decrease the probability corresponding to the operation information of the operation at a certain rate.
- the operation confirmation information providing apparatus further includes an update unit that updates the probability, and the update unit corresponds to operation information of the operation according to a period during which the operation is not performed. Increase the probability ⁇ ⁇ .
- the updating unit may increase the probability corresponding to the operation information of the operation at a certain rate.
- a plurality of erroneous operation patterns which are information on erroneous operation of each function of the operation target device defined based on the operation experience of a plurality of users (operation experience other than the operation target device), are prepared,
- the user's operation history determines whether the user falls within the error pattern. Then, it is determined whether or not to confirm the operation from the corresponding erroneous operation pattern. Because the device automatically adapts to the user and the device automatically confirms the operation that is likely to be incorrect by the user, there is no need to request help for functions that are not well-divided in usage. .
- the operation confirmation is not performed for an operation that seems to be correct for the user, the user can reduce the burden of answering an unnecessary operation confirmation. As a result, detailed operation support for the user is realized.
- FIG. 1 is a diagram showing a configuration of a usage environment of a DVD recorder 1 according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a hardware configuration of a DVD recorder 1.
- FIG. 3 is a diagram showing a functional block configuration of an information providing unit 100 according to Embodiment 1. 4) (a) is a diagram showing a specific data structure of the device operation DB 39, and (b) is a diagram showing a general data structure of the device operation DB 39.
- FIG. 5 is a flowchart showing a procedure of processing for determining a candidate for an erroneous operation group.
- FIG. 6 (a) and (b) are diagrams showing examples until a candidate for an erroneous operation group is determined according to the procedure of FIG.
- FIG. 7 is a flowchart showing a procedure of processing for calculating an erroneous operation probability from an erroneous operation group candidate.
- [8] (a) and (b) are diagrams showing an example of generating an erroneous operation probability table based on the estimated erroneous operation group power.
- ⁇ 9 It is a diagram showing an example of operation confirmation displaying an explanation and confirmation of operation for operation information (“recording mode”) when the recording mode button is pressed.
- FIG. 10 is a diagram showing an example of operation confirmation in which only an operation explanation for operation information is displayed.
- FIG. 11 is a flowchart showing a processing procedure of the determination unit 107.
- FIG. 12 is a flowchart showing a procedure of processing performed in the information providing unit 100.
- FIG. 13 (a) and (b) are diagrams showing an example in which an erroneous operation probability is updated based on an input operation history.
- FIG. 15 is a flowchart showing a procedure of processing performed in the information providing unit 200.
- FIG. 16 is a diagram showing an example in which an erroneous operation probability is updated by an operation confirmation output.
- FIG. 17 is a diagram showing an arrangement of experimental devices.
- FIG. 18 is a flowchart showing the procedure of an operation experiment.
- FIG. 19 is a diagram showing an example of a question paper with answers for a subject to learn.
- FIG. 20 is a diagram showing an example of an answer sheet.
- FIG. 21 is a diagram showing an example of an experimental result performed in accordance with an experimental procedure.
- the test subjects were divided into a group that learns the functional operation of the DVD recorder and a group that does not learn.
- the learning group conducted device operation learning for any of the devices that were not subject to evaluation (four DVD recorders) in advance, and performed a 20-question operation test using the other three devices.
- the group that does not learn does not learn any model A 20-question operation test was conducted, just like the learning group.
- the purpose of this experiment is to observe the change in the accuracy rate in the remote control operation test of the DVD recorder under the conditions in which device operation learning was performed in advance.
- FIG. 17 shows the arrangement of the experimental apparatus.
- the TV 10 is TH-36DH200 (manufactured by panasonic).
- the television 10 is provided to display the operation result of the remote controller.
- PC monitor
- EIZO 12 is a Flex Scan L685 17inch liquid crystal display (EIZO).
- a PC monitor 12 is provided to present test questions to the subject 11.
- the distance 13 between the subject 11 and the TV screen 10 was 180 cm, and was determined as a natural distance for viewing TV at home.
- the experimenter 14 waited behind the subject 11 to present the problem to the subject 11 and to operate the equipment.
- FIG. 18 shows the procedure of the operation experiment.
- step S181 it is first determined whether the subject is learning or not.
- 12 subjects out of 15 subjects were learning subjects, and the remaining three subjects were non-learning subjects.
- step S182 the subject who was determined to learn in step S181 was asked to learn one DVD operation. Dividing 12 people into 4 groups with 3 people as 1 group, DMR—EH60, DMR—E95H, PSX DESR—7700, RD-XS43!
- FIG. 19 shows an example of a question sheet with answers for the subject to learn.
- the question sheet describes what state is executed and what operation should be performed.
- a learning method a method was used in which the subject freely learns while handing over the question paper with the answer shown in FIG. 19 and actually performing the DV D remote control operation.
- the learning time was 20 minutes.
- step S183 a learning confirmation test was performed on the subject who performed the learning in step S182.
- the test method is to sequentially output the same problem used for learning in step S182 to the PC monitor 12 shown in Fig. 17, and the subject presses the button on the remote control for each problem, and tests the correct / incorrect result of the pressed operation. The method was recorded by the person.
- step S184 it was determined whether the subject who performed the learning in step S183 completed the learning.
- the determination method was determined to be completion of learning when all the results of the learning confirmation test performed in step S183 were correct. On the other hand, when all the results of the learning confirmation test were correct, it was judged that the learning was not completed, and step S182 was returned and the learning was performed again.
- step S185 an operation test of the evaluation target device was performed on the subject determined to have completed learning in step S184 and the subject determined not to learn in step S181.
- the subject determined to have completed learning in step S184 conducted an operation test using the other three DVD recorders as evaluation target devices, and determined that learning was not performed in step S181.
- the subjects performed an operation test using all four devices as the devices to be evaluated.
- the operation test used the same problem as used in step S183.
- FIG. 20 shows an example of an answer sheet.
- the answer method is to first fill in the confidence level for the answer to the question, and then mark the remote control button that the subject thinks is correct on the answer sheet. went. Since the test subject writes the answer on paper and does not actually perform the remote control operation, the response of the device due to the operation result is not transmitted to the test subject. Therefore, it is possible to prevent the operation knowledge for the device to be evaluated from changing due to the device's reaction due to the user's device operation. Can be evaluated.
- FIG. 21 shows an example of an experimental result according to the above-described procedure.
- Figure 21 is a list of results showing the correct answer rate 20 for each learning group when using EH60, and the user operation information 21. “Operation information” is input operation information acquired from the user. For example, the operation information when the play button is pressed is “play”.
- Function 23 in the table indicates the DVD recorder function corresponding to each problem.
- the blank part in the table is the part where the subject is performing the correct operation (operation of correct operation 22 in the table).
- a non-blank part indicates that the operation is wrong, and at the same time it indicates which operation is wrong.
- Figure 22 shows the actual A part of the result of summarizing the erroneous operation probability for each operation information based on the experimental results is shown.
- “HD D” or the like is operation information corresponding to the operation button name 33.
- “Miscellaneous operation probability” is the probability that the operation information input by the user will be erroneously operated.
- the erroneous operation probability of each button operation which is the operation information
- the erroneous operation probability of each button operation is different for each learning group.
- the numerical value in the PS X learning group column 31 indicates 33.3%. This means that only subjects who have learned PSX have misoperated the “Power Record” button.
- the numerical values in the column 32 of the XS43 learning group and the no learning group are not 0.0%. It is understood that subjects belonging to these groups are misoperating the “program guide” button.
- the erroneous operation probability 34 of the PSX learning group is 100%. Therefore, it can be estimated that pressing the HDD button is very likely to be an erroneous operation.
- the correctness / incorrectness of operation can be used to estimate previously used equipment.
- a plurality of user groups having different operations in different systems are prepared, and a plurality of erroneous operation patterns are defined based on the operation experience of the users of each group. Based on the user's operation history and each erroneous operation pattern, it is determined which group the user belongs to, and after the determination, the erroneous operation probability for each operation is estimated based on the erroneous operation pattern of that group. By doing so, it is possible to predict an operation that is likely to be different depending on the user.
- an operation confirmation information providing apparatus according to the present invention and an environment of an apparatus in which an electronic apparatus including the apparatus is used will be described with reference to FIGS. 1 and 2.
- the electronic device is assumed to be a DVD recorder.
- FIG. 1 shows the configuration of the usage environment of the DVD recorder 1 according to the present embodiment.
- the DVD recorder 1 has a function of recording a broadcast program on a DVD (not shown) and playing back the broadcast program recorded on the DVD.
- the played video and audio are displayed on the TV2 screen and output from the speech power.
- the user can execute various functions of the DVD recorder 1 by operating the DV D recorder 1 by using the remote controller 3 or a main body button (not shown).
- the DVD recorder 1 includes an operation confirmation information providing unit 100 therein.
- the operation confirmation information providing unit 100 (hereinafter referred to as “information providing unit 100”) is an operation in which the user's power is also received by referring to the database when the user operates the DVD recorder 1 using the remote control 3 or the like. Is calculated as a mistaken operation, and based on the probability, it is determined whether or not to confirm with the user that there is a possibility of an erroneous operation. And if you confirm If so, a video signal or an audio signal for presenting an operation confirmation message is output. These signals are output as video and audio from the TV2 screen and speakers. The user can determine whether or not the operation is appropriate for executing the desired function by looking at the operation confirmation screen.
- FIG. 2 shows a hardware configuration of the DVD recorder 1.
- DVD recorder 1 (hereinafter referred to as “Recorder 1”) can write and read arbitrary data on DVD4.
- DVD4 may be a read-only disc. In that case, recorder 1 only reads the data.
- the DVD recorder 1 may have a hard disk drive (HDD). At that time, the DVD recorder 1 can write and read arbitrary data on the hard disk.
- HDD hard disk drive
- the recorder 1 includes a nose 300, a tuner 301, an AD converter 302, an encoder 303, a DVD drive 304, a decoder 305, a graphic control unit 306, an output circuit 307, a light receiver 308, A CPU 309, an EEPROM 310, a RAM 311 and a blue-ray providing unit 100 are provided.
- the bus 300 is a signal line.
- the bus 300 connects the other components of the recorder 1 and transmits the signal in the recorder 1.
- the tuner 301 receives a broadcast wave signal from an antenna (not shown), selects a channel based on the frequency, and extracts a necessary program signal.
- the AD converter 302 converts the signal from the tuner 301 into a digital signal and supplies it to the encoder 303.
- the encoder 303 compresses and encodes the supplied digital data into, for example, the MPEG-2 format and outputs it as encoded data.
- the DVD drive 304 includes, for example, a disk tray, an optical head, a spindle motor, a rotating shaft that transmits the rotation of the spindle motor to the disk, a controller that controls the operation of the entire drive, and the like (all not shown). Yes.
- the DVD drive 304 Upon receiving the recording start instruction, the DVD drive 304 writes the encoded data to the DVD4. When the playback start instruction is received, the code data written on DVD4 is read.
- the decoder 305 Upon receiving the playback start instruction, the decoder 305 decompresses the encoded data read by the DVD drive 304, converts it into uncompressed video or audio data, and displays the graphic data. This is supplied to the control unit 306.
- the graphic control unit 306 realizes an on-screen display (OSD) function by superimposing video data in an internal memory (not shown) on video non-compressed data.
- the graphic control unit 306 outputs a predetermined message and a video signal for displaying a screen based on the received operation confirmation information.
- the graphic control unit 306 outputs a video signal including an operation description when a specific user presses a predetermined button, or a video signal (digital base) that combines various menu images and video. Band signal).
- the output circuit 307 converts the input digital video signal Z audio signal into an analog signal and outputs it.
- the output destination is, for example, TV2.
- the light receiving unit 308 receives infrared rays from the remote controller 3, and sends an instruction based on a user operation, such as an instruction to start recording, stop Z, start playback of a recorded program, etc. via the bus 300. To the CPU 309 and the operation confirmation information providing unit 100.
- CPU 309 is a central control unit that controls the overall operation of recorder 1.
- the CPU 309 uses the EEPROM 310 and the RAM 311 to control the overall processing including the signal flow in the recorder 1.
- the CPU 309 reads out and executes the program stored in the EEPROM 310, thereby generating a control signal for realizing processing based on the program, and outputs the control signal to each component via the CPU bus 300.
- the EEPROM 310 is an electrically rewritable nonvolatile memory, and stores a software program for controlling the recorder 1.
- Various flowcharts relating to the description of the embodiments included in the accompanying drawings are each implemented as a force software program.
- the EEPROM 310 may store a software program to be executed in a CPU (described later) in the information providing unit 100 described later!
- the RAM 311 has a work area for storing data necessary for the CPU 309 to execute the program.
- the CPU 309 reads the program from the EEPRO M310 to the RAM 311 using the CPU bus 300, and executes the program.
- the computer program is recorded on a recording medium such as a CD-ROM and distributed to the factory, or transmitted through an electric communication line such as the Internet.
- a computer system configured using a PC or the like is equivalent to the recorder 1 according to this embodiment. It can be operated as an electronic device having the above functions, or can be operated as a device having a function equivalent to that of the information providing unit 100.
- the information providing unit 100 is mounted as a substrate on which one integrated circuit or a plurality of integrated circuits are mounted. In the following description, it is assumed that the information providing unit 100 is mounted as a substrate on which one integrated circuit is mounted.
- FIG. 3 shows a functional block configuration of the information providing unit 100 according to the present embodiment.
- the information providing unit 100 is provided with an input unit 101, a database storage unit 104, a probability information storage unit 106, an output unit, and a CPU 110.
- the database storage unit 104 stores a database including an erroneous operation pattern (information on erroneous operation) of each function of the recorder 1 defined based on the operation experience of a plurality of users.
- the operation experience here is the operation experience of a recorder (for example, a recorder of a different manufacturer) other than the recorder 1 that is the operation target device.
- the CPU 110 refers to the database based on information on the user's operation history, that is, operation information indicating the user's operation and correction information indicating whether or not the operation is to be corrected. Then, it determines which erroneous operation pattern should be applied to the user, and calculates the probability that the input user's operation is an erroneous operation using the erroneous operation pattern.
- CPU 110 determines whether or not the power to confirm the operation is based on the probability. When it is determined to confirm, CPU 110 sends an instruction signal for presenting an operation confirmation message via output unit 108. Output.
- CPU 110 For example, for an operation with a relatively high probability of being wrong, before the action based on the operation is executed, the CPU 110 displays an operation confirmation “Do you want to perform this operation?” An instruction signal is output. As a result, it is possible to confirm the operation for an operation that is likely to be erroneous by the user. [0087] On the other hand, for an operation with a relatively low probability of error, CPU 110 instructs CPU 309 of recorder 1 to execute an operation based on the operation without outputting an instruction signal for displaying the operation confirmation. To do. Since the user is not checked every time, the burden of the user entering an answer can be reduced.
- the input unit 101 connects the information providing unit 100 to the bus 300 of the recorder 1. Then, the input unit 101 acquires information specifying the input operation from the user, which is accepted by the recorder 1.
- the input operation is an operation performed on the recorder 1 using a mouse, a keyboard, a button (not shown) of the recorder 1 main body, etc. in addition to the remote controller 3.
- the selection of icons using the GUI also corresponds to input operations. For example, when the user selects the “Play” icon on the GUI screen using the “Enter” button on the remote control, the input operation is the selection of the “Play” icon that is not performed by pressing the “Set” button on the remote control.
- the input unit 101 acquires information specifying the same input operation when the “play” button is pressed and when the “play” icon is selected.
- CPU 110 controls the operation of information providing unit 100.
- the CPU 110 is an integrated circuit different from the CPU 309 of the recorder 1. This is an example.
- the information providing unit 100 is realized by software. No hardware such as a separate board or circuit for the information providing unit 100 is required.
- the CPU 110 includes an input content selection unit 102, a control unit 103, an erroneous operation probability calculation unit 105, and an operation confirmation determination unit 107. This means that when the CPU 110 is functionally viewed, the CPU 110 operates as an input content selection unit 102, a control unit 103, an erroneous operation probability calculation unit 105, and an operation confirmation determination unit 107.
- the CPU 110 functions as these components by operating according to the procedure of the computer program to be executed.
- the input content selection unit 102 (hereinafter referred to as "selection unit 102") sets the information specifying the input operation received from the input unit 101 as a combination of "operation information" and "immediate operation correction information”. To sort each.
- “Operation information” is information for specifying an input operation performed by the user. For example, the operation information when the “play” button of the user power S remote control 3 is pressed is “play”.
- the “immediate operation correction information” is information indicating whether the user corrects the previous operation, and is “corrected” or “not corrected”. An operation that is not corrected is called “no correction operation”, and an operation that corrects the immediately preceding operation is called “an operation with correction”.
- the “Return” button for returning to the previous menu is pressed with the “Enter” button for starting playback after the “Play” button is pressed, the previous operation correction information becomes “With correction”.
- the sorting unit 102 determines whether or not the input operation is an input of an operation confirmation result.
- the operation confirmation result is a user operation on the output operation confirmation screen. If the result is not an operation confirmation result, the input operation received from the input unit 101 is selected as (operation information, no correction). If the response is an operation confirmation result, it is selected as (previous operation information, no correction) when the confirmed operation is executed, and when the confirmed operation is not executed (previous operation information) , With correction).
- the operation confirmation result is an operation in which the user selects “Yes” or “No”.
- the selection unit 102 selects the operation information as “recording mode” and the previous operation correction information as “no correction”. To do.
- the operation information is “recording mode” and the previous operation correction information is “corrected”. Sort out.
- the operation information is determined based on the previous input operation, and the previous operation correction information is set to " It may be selected as “corrected”.
- the “Return” button on the remote control is pressed after the “Recording mode” button is pressed, the selection unit selects “Recording mode” as the operation information and “Correction present” as the previous operation correction information.
- the input selection unit sorts “Select function” as operation information and “With correction” as the previous operation correction information. .
- the control unit 103 instructs the recorder 1 to execute an operation corresponding to the operation information received from the selection unit 102 when the operation confirmation determination unit 107 described later determines that the operation confirmation is not performed. .
- the control unit 103 instructs the recorder 1 to play back the program recorded in the recorder 1.
- the recorder 1 is instructed to output the operation confirmation screen before instructing the execution of the operation corresponding to the operation information.
- the erroneous operation probability calculation unit 105 (hereinafter referred to as “calculation unit 105”) refers to the device operation database 39 to be described later based on the operation information obtained from the selection unit 102 and the previous operation correction information. Determine at least one erroneous operation pattern corresponding to the user. Then, the calculation unit 105 calculates the probability of erroneous operation regarding each piece of operation information of the determined at least one erroneous operation pattern, and creates an erroneous operation probability table.
- the operation confirmation determination unit 107 determines whether or not to confirm the operation based on the probability of an erroneous operation corresponding to the operation information.
- calculation unit 105 and the determination unit 107 will be described in more detail after the detailed configuration of the device operation database 39 and the like is described.
- the database storage unit 104 holds a device operation database (DB) 39.
- Device operation DB39 contains error operation patterns by error operation group for each function of recorder 1.
- the erroneous operation pattern for each erroneous operation group is information on erroneous operation of each function of the operation target device (that is, recorder 1) specified based on the operation experience of multiple users.
- the probability information storage unit 106 erases the erroneous operation probability table calculated by the calculation unit 105. .
- FIG. 4 (a) shows a specific data structure of the device operation DB 39.
- erroneous operation patterns corresponding to each of the erroneous operation groups A to D are defined.
- erroneous operation pattern 40 is specified for erroneous operation group A.
- the function 41 in the table indicates each function of the device, such as “program table” display, “recorded program list” display, “recording”, “playback”, and the like.
- the correct V and remote control button operation to realize this function is the “correct operation”.
- ⁇ ⁇ "Miscellaneous operation group” refers to the pattern of erroneous operation that occurs when executing the function of the device that is currently used by being dragged by the function and operation method of the device that has operating experience. Means a group of similar users.
- the "erroneous operation pattern” represents a set of operation information indicating each operation performed by the user corresponding to each function, and actually includes “record button” and "play button”. It is defined according to the buttons operated by the user.
- the operation information may indicate a correct answer or may indicate an incorrect answer (that is, an erroneous operation).
- the contents of the erroneous operation pattern 40 of the erroneous operation group A are the same as the correct operation regarding "program guide”, “recorded program list”, and “recording”, and therefore it can be said that each indicates a correct answer.
- the erroneous operation pattern of the erroneous operation group B indicates that the menu button is operated with respect to the “recorded program list”, so that it is clear that this function is an erroneous operation.
- the device operation database is created by collecting subjects by device that is currently operated or devices that have operation experience, and confirming the operation. Experiments can be performed and operation information can be recorded in a database. In other words, a question is asked for each function of the device for which the operation was confirmed, and operation information based on the user operation for the question is acquired. If each function is stored in association with the obtained operation information, a database can be obtained.
- Figure 4 (b) shows the general data structure of the device operation DB39. Key points corresponding to Fig. 4 (a) Elements are given the same reference numerals. In the following, explanation will be made using the generalized equipment operation DB 39 of FIG. 4 (b).
- operation information indicating an erroneous operation is particularly described as “erroneous operation information”. For example, when performing an operation to execute a recording reservation function such as a program guide, the “OK” button is the correct operation, but if the “Recording button” is pressed and an incorrect operation is performed, the “Recording” operation is incorrect. Information.
- a plurality of users having experience of operating devices having the same number of functions or more may be classified as belonging to the same erroneous operation group.
- a user who has experience in operating a DVD recorder having the same model number as the method described in the above DVD recorder operation experiment may be classified into the same erroneous operation group.
- video recorders and HDD recorders, which are recording / playback devices, and video players, DVD players, etc., which are playback devices each have many of the same functions. May be.
- the number of erroneous operation groups can be reduced compared to testing for different models, and the amount of work required for the experiment and the capacity of the equipment operation database can be reduced.
- buttons corresponding to the function for displaying a list of recorded programs differ depending on the manufacturer, such as “playback navigation” and “program navigation”.
- Such different button labels for the same function are considered to be one of the causes of user error. Therefore, it is effective to construct a misoperation group from the viewpoint of the commonality and non-commonality of functions and button labels.
- the calculation unit 105 performs two main processes. That is, a process of determining an erroneous operation pattern corresponding to the user who is operating, and a process of calculating an erroneous operation probability corresponding to the determined erroneous operation pattern.
- FIG. 5 shows a processing procedure for determining a candidate for an erroneous operation group.
- FIGS. 6 (a) and 6 (b) show examples until a candidate for an erroneous operation group is determined according to the procedure of FIG.
- step S 51 calculation unit 105 acquires operation information from sorting unit 102. For example, when button B 1 is pressed, calculation unit 105 acquires operation information B1.
- step S52 the immediately previous operation correction information is acquired from the sorting unit 102 in the same manner.
- the previous operation correction information becomes “corrected”.
- step S 53 calculation unit 105 acquires device operation DB 39 from database storage unit 104.
- step S54 the calculation unit 105 obtains an erroneous operation group candidate of the device operation DB 39.
- all the erroneous operation groups described in the device operation database may be stored as initial values of erroneous operation group candidates.
- the calculation unit 105 when the operation information B1 is acquired, the calculation unit 105 includes the erroneous operation group candidate A (51) including B1 in the erroneous operation pattern among the erroneous operation groups A to D in FIG. Acquire erroneous operation group candidate B (52) and erroneous operation group candidate C (53) as erroneous operation group candidates.
- the calculation unit 105 selects the same operation information as the operation information acquired in step S51 from the received erroneous operation pattern of each erroneous operation group candidate.
- the same operation information as the operation information B1 (50) is selected from the error operation patterns of the error operation group candidate A (51), the error operation group candidate B (52), and the error operation group candidate C (53) shown in FIG.
- step S56 the calculation unit 105 compares the operation information selected for each erroneous operation group candidate in step S55 with the correct operation for the selected operation information, and corrects all selected operation information. Separated into operation and operation error.
- step S57 the calculation unit 105 calculates a ratio (probability) that the operation information is included in all the operation information among the operation information selected for each operation error group candidate in step S56.
- the calculation may be performed using Equation 1.
- the left side P ° is the probability that the operation information o is an erroneous operation in the erroneous operation group g, BC °
- g g is the total number of operation information o that is “correct operation” in the operation group g, and ⁇ is the operation error.
- FIG. 6 (b) shows the erroneous operation probabilities of the erroneous operation group candidates A, B, and C related to the operation information B1 calculated by the calculation unit 105.
- the calculation unit 105 calculates the erroneous operation probability for the operation information B1 as 50%. This is because, of the two data in operation information B1, one operation was pressed as the correct answer and one operation was pressed as the incorrect operation.
- step S58 the calculation unit 105 determines whether the operation information acquired in step S51 is corrected or not. For determination, the calculation unit 105 can use the previous operation correction information acquired in step S52 as it is. When the immediately previous operation correction information indicates “with correction” as in the above example, the process proceeds to step S59. On the other hand, when the previous operation correction information indicates “no correction”, the process proceeds to step S60.
- step S59 the calculation unit 105 selects a candidate whose erroneous operation probability of each erroneous operation group candidate calculated in step S57 is equal to or less than a threshold value.
- the threshold is relatively low and can be set to a value (eg 30%). This is because the previous operation correction information is “no correction”, and therefore it is considered that the user has a low probability of erroneous operation regarding this operation information. It is reasonable to set the threshold value relatively low and select the erroneous operation group candidate because the probability of erroneous operation regarding this operation information is low.
- step S60 the calculation unit 105 selects a candidate having an erroneous operation probability of each erroneous operation group candidate calculated in step S57 equal to or higher than a threshold value.
- the threshold can be set to a relatively high value (eg 70%). Since the previous operation correction information is “correction present”, the user This is because it is considered that this operation information has a high probability of erroneous operation. It is reasonable to set the threshold value relatively high and select an error operation group candidate that has a high probability of erroneous operation regarding this operation information.
- the threshold is set to 70%
- the group with the erroneous operation probability exceeding 70% shown in Fig. 6 (b) is the erroneous operation group C (54) with the erroneous operation probability of 100%.
- the user is assumed to belong to the erroneous operation group C.
- step S61 calculation unit 105 stores the erroneous operation group candidate selected in step S59 or the erroneous operation group candidate selected in step S60 in an internal register or the like.
- the stored erroneous operation group candidate is treated as an erroneous operation candidate acquired in step S54 when the next operation is performed.
- the erroneous operation probability described below is the probability that the operation corresponding to each operation information is an erroneous operation in at least one erroneous operation group determined by the procedure of FIG.
- FIG. 7 shows a procedure of processing for calculating an erroneous operation probability from an erroneous operation group candidate.
- the calculation unit 105 acquires information on an erroneous operation group candidate determined as a result of the processing in FIG. For example, information on internal register power misoperation group candidates is acquired.
- step S72 the calculation unit 105 refers to the device operation DB 39, and selects one type of arbitrary operation information of the acquired erroneous operation group candidate.
- the operation information B1 may be selected from the operation information B1 to Bn.
- step S73 the calculation unit 105 compares the selected operation information with the correct operation for the operation information, and classifies all selected operation information into the correct operation and the incorrect operation. .
- step S74 the calculation unit 105 calculates the probability that erroneous operation information is included in all the operation information, that is, the candidate erroneous operation pattern, among the operation information sorted in step S73.
- the calculation may be performed using the above-described formula 1. Taking operation information B1 as an example, when using Equation 1, the total number of operation information B1 included in the operation error pattern is used as the denominator, and the total number when operation information B1 is an operation error is used as the numerator.
- the calculation unit 105 creates an erroneous operation probability table in which the probabilities obtained as a result are stored in association with the operation information.
- step S75 the calculation unit 105 determines whether all types of operation information have been selected in all device operation DBs 39 for the erroneous operation group candidate, and an erroneous operation probability has been calculated for each operation information. To do. If it is determined that the erroneous operation probability has not been calculated for all types of operation information, the process returns to step S72. If it is determined that the erroneous operation probability has been calculated for all types of operation information, the process ends.
- Steps S71 to S75 described above the probability that the operation corresponding to each operation information is an erroneous operation can be calculated for the erroneous operation group candidates determined by the processing of FIG. Hereinafter, this will be specifically described with reference to FIG.
- FIGs. 8 (a) and 8 (b) show an example of generating the erroneous operation probability table 61 from the estimated erroneous operation group 60 and an example of generating the erroneous operation probability table 62 from the estimated erroneous operation group 62, respectively. Speak.
- the calculation unit 105 performs the processing of steps S71 to S75 using only the erroneous operation pattern of the erroneous operation group A of the device operation DB 39, and calculates the erroneous operation probability for each operation information.
- an erroneous operation probability table 61 corresponding to FIG. 8B is generated.
- a plurality of erroneous operation groups B and C (62) are estimated to be erroneous operation group candidates and stored by the processing of FIG.
- the calculation unit 105 performs the processing from step S71 to step S75 using the erroneous operation patterns of the erroneous operation groups B and C of the device operation DB 39, and calculates the erroneous operation probability for each operation information.
- Fig. 8 (b) One erroneous operation probability table 63 corresponding to is generated.
- the created erroneous operation probability table is stored in the probability information storage unit 106.
- the calculation unit 105 refers to the device operation database 39 based on the operation information acquired from the selection unit 102 and the previous operation correction information, and at least one erroneous operation pattern corresponding to the user, that is, the erroneous operation to which the user belongs. Determine group candidates. Then, the calculation unit 105 calculates the probability of erroneous operation related to each piece of operation information while switching the selected portion of the data described in the device operation DB 39 by the erroneous operation group, and creates an erroneous operation probability table.
- the calculation unit 105 calculates an erroneous operation probability based on a plurality of candidates. At this time, an erroneous operation group determined that the user does not belong using a threshold value is excluded, and is not considered in calculating the erroneous operation probability. As a result, it is possible to calculate an erroneous operation probability by combining a plurality of erroneous operation group candidates, so that it is possible to calculate an erroneous operation probability that is closest to the user's erroneous operation pattern, and to accurately estimate an erroneous operation. .
- the determination unit 107 performs threshold processing based on the operation information and the previous operation correction information received from the input content selection unit 102 and the operation error probability corresponding to the operation information in the operation error probability table 106 which also received the operation error probability storage unit 106. Determine whether to check the operation.
- “Operation confirmation” is a video or audio message for confirming the operation. As the operation confirmation, for example, a text explanation and confirmation of the operation for the operation information may be displayed.
- the determination unit 107 determines to create and output the operation confirmation. If it is determined that the operation confirmation is not necessary, it is determined that the operation confirmation output is not performed.
- FIG. Fig. 9 shows an example of an operation confirmation that displays an explanation and confirmation of the operation for the operation information ("recording mode") when the recording mode button is pressed.
- the operation is explained when the recording mode button is pressed, and the feedback from the user is received with “Yes” and “No”.
- “ha V,” is accepted, it is assumed that the operation to confirm the confirmed operation has been performed.
- the control unit 103 outputs an instruction signal for executing the image quality setting operation of the program.
- “V” is accepted, the control unit 103 outputs an instruction signal instructing to return to the previous operation screen, assuming that an operation for canceling the confirmed operation has been performed. .
- FIG. 10 shows an example of operation confirmation in which only the operation explanation for the operation information is displayed. As shown in Fig. 10, when the recording mode button is pressed, a detailed explanation of the operation is presented to the user. This makes it possible to provide more detailed support for understanding operations that are likely to be erroneously performed.
- FIG. 11 shows a processing procedure of the determination unit 107.
- step S111 the determination unit 107 acquires operation information from the input selection unit 102.
- the determination unit 107 acquires an erroneous operation probability corresponding to the operation information acquired from step S111. Specifically, it corresponds to the operation information acquired from step S111 with reference to the erroneous operation probability table (for example, erroneous operation probability tables 61 and 63 shown in FIG. 8B) stored in the erroneous operation probability storage unit 106. Read the erroneous operation probability.
- the erroneous operation probability table for example, erroneous operation probability tables 61 and 63 shown in FIG. 8B
- step S113 the determination unit 107 determines whether or not the erroneous operation probability acquired from step S112 is equal to or greater than a threshold value.
- the threshold used for the determination may be set in advance by the designer as a fixed value such as 80%. If the erroneous operation probability is greater than or equal to the threshold, the process proceeds to step S114. If the erroneous operation probability is not greater than or equal to the threshold value, the process proceeds to step S115.
- step S114 since it is presumed that the user's operation is incorrect, the determination unit 107 determines to output an operation confirmation. As a result, the determination unit 107 generates a message for confirming the operation, and outputs the signal from the output unit 108.
- step S115 it is presumed that the user's operation is not erroneous.
- the determination unit 107 determines not to output an operation confirmation.
- the control unit 103 outputs an instruction signal instructing execution of an operation corresponding to the operation information to the recorder 1 via the output unit 108.
- the recorder 1 may be displayed on a display device such as TV2.
- the operation confirmation determination unit 107 determines whether or not the operation corresponding to the operation information received from the input content selection unit 102 is erroneous using a threshold value. Therefore, it is possible to determine whether or not to output an operation confirmation.
- FIG. 12 shows a procedure of processing performed in the information providing unit 100.
- the input unit 101 and the sorting unit 102 obtain the accepted user input operation.
- step S122 the calculation unit 105 refers to the device operation DB 39 in the database storage unit 104, calculates the erroneous operation probability, and creates a new erroneous operation probability table.
- the erroneous operation probability table is stored in the probability information storage unit 106.
- step S123 the determination unit 107 determines whether or not the user's input operation is likely to be an erroneous operation. If it is determined that the input operation is likely to be an erroneous operation, the process proceeds to step S124, and if it is determined not to be an erroneous operation, the process proceeds to step S125.
- step S124 the determination unit 107 creates an operation confirmation message to be presented to the user.
- step S126 the output unit 108 outputs a signal for presenting the operation confirmation message created in step S124.
- control unit 103 outputs to recorder 1 a signal that instructs execution of a function corresponding to the input operation acquired from the user.
- the information providing unit 100 updates the erroneous operation probability for the operation input by the user, and uses the updated erroneous operation probability to confirm the operation for the operation that is likely to be erroneous. Can be output.
- FIGS. 13 (a) and (b) show examples in which the erroneous operation probability is updated based on the history of input operations.
- FIGS. 13 (a) and (b) show an example in which an erroneous operation group candidate is changed depending on the operation history.
- a plurality of types of broken line frames shown in FIG. 13 (a) indicate reference points of the device operation DB 39, respectively.
- the erroneous operation group candidates (A, B, C, D) 70 shown in FIG. 13 (b) are sequentially narrowed down to the erroneous operation group candidates (C, D) 71, and then the erroneous operation group candidates ( D) While narrowing down to 72, the reference location of device operation DB39 is switched to the data portion corresponding to the erroneous operation group candidate.
- the original erroneous operation probability table 74 is changed to an erroneous operation probability table 75 and then changed to an erroneous operation probability 76. Thereby, an erroneous operation probability table of a group closer to the erroneous operation group to which the user belongs is obtained.
- the initial erroneous operation group Candidates (A, B, C, D) 70 are narrowed down to misoperation group candidates (C, D) 71. For example, if only the erroneous operation probability of the erroneous operation group candidate (C, D) 71 for the operation information Bk exceeds 70% by performing the operation corresponding to the operation information Bk or canceling the operation, the erroneous operation group Candidates (C, D) 71 are identified.
- the calculation unit 105 reads the device operation DB39 data corresponding to the specified error operation group candidate (C, D) 71, calculates the error operation probability corresponding to each operation information, and sets the error operation probability table 75. Create At this time, the erroneous operation probability corresponding to the operation information B1 was 30% for the original erroneous operation group candidate (A, B, C, D) 70. Since the operations A and B are out of the erroneous operation probability calculation candidates, the erroneous operation group candidate (C, D) 71 is calculated as 80%.
- the determination unit 107 instructs the recorder 1 to perform confirmation output before executing the function corresponding to the operation information B1, and also sends the confirmation output message signal to the recorder 1. Output.
- the operation confirmation output operation when the user belonging to the erroneous operation group candidate (D) 72 presses the button B2 in FIG. 13 will be described.
- the threshold for outputting the operation confirmation is also 70%.
- the user belonging to the erroneous operation group candidate D has correctly answered the operation of the button B2 for executing the function 2, and it cannot be said that it is easy to make an error. Therefore, no operation confirmation is required for the operation information B2.
- the information providing unit 100 determines that the user belongs to the erroneous operation group candidate D and the operation confirmation is performed.
- the process for identifying the erroneous operation group candidate (C, D) 71 and the process for creating the erroneous operation probability table 75 corresponding to the erroneous operation group candidate (C, D) 71 are the same as in the previous example. Description is omitted.
- the erroneous operation probability corresponding to the operation information B2 of the erroneous operation group candidate (C, D) 71 was 80% for the original erroneous operation group candidate (A, B, C, D) 70. Since B and B are out of the erroneous operation probability calculation candidates, the erroneous operation group candidate (C, D) 71 is calculated as 50%. Therefore, since it is below the threshold value, the determination unit 107 determines not to perform confirmation output before executing the function corresponding to the operation information B2. As a result, the control unit 103 instructs the recorder 1 to execute the function corresponding to the operation information B2. At this time, the operation confirmation is not output.
- the erroneous operation probability can be updated more accurately. It is possible to accurately predict and judge whether or not an erroneous operation is likely to be performed. Therefore, based on the determination result, an operation confirmation necessary for the user can be output, or an operation confirmation unnecessary for the user need not be output.
- the operation confirmation information providing unit different from the configuration of the operation confirmation information providing unit according to the first embodiment will be described. Also in this embodiment, the operation confirmation information providing unit is assumed to be incorporated in the DVD recorder and operates in association with the operation of the DVD recorder.
- an operation confirmation message is output for predetermined operation information. This is effective during relatively early device operations.
- the operation confirmation information providing unit newly increases the erroneous operation probability for the operation information according to the total number of operation confirmations for the operation information. It is updated so that it is possible to check the user for the operation that has already been learned.
- the operation confirmation information providing unit is an operation with a relatively low error operation probability depending on the non-use period when the user has not used the device for a while.
- the operation error probability is reset to a higher value, and operation confirmation can be output for operations that are determined to require operation confirmation.
- FIG. 14 shows a functional block configuration of the operation information providing unit 200 (hereinafter referred to as “information providing unit 200”) according to the present embodiment.
- information providing unit 200 the same as Figure 3 Components having the same function are denoted by the same reference numerals, and description thereof is omitted.
- the information providing unit 200 is different from the information providing unit 100 (FIG. 3) according to the first embodiment in that it includes an operation confirmation update unit 201 (hereinafter referred to as “update unit 201”). Note that the CPU 111 of the information providing unit 200 is obtained by adding an update unit 201 to the CPU 110 of FIG. 3, and the presence or absence of the update unit 201 is different.
- the update unit 201 identifies the operation information that is the target of outputting the operation confirmation, and updates the erroneous operation probability corresponding to the operation information.
- the update method for example, when an operation confirmation is output for arbitrary operation information, the erroneous operation probability stored in the erroneous operation probability storage unit 106 for the operation information is fixed according to the number of operation confirmations. What is necessary is just to make it low in a ratio. More specifically, when an operation confirmation for the “Recording mode” button is output as shown in FIG. 9, the initial erroneous operation probability of 80% corresponding to the operation information “Recording mode” is updated to 40%, which is half. . As a result, it is possible to output an operation confirmation only for an operation that requires an operation confirmation without performing an extra operation confirmation for the operation that the user has already learned.
- an erroneous operation probability may be increased at a certain ratio with respect to the above-described operation information. For example, if the stored error probability for the “recording mode button” is 0%, if there is no operation for one month for the “recording mode button”, the error operation probability is reduced to 60%. Update. As a result, operation confirmation can be performed even for operations that have been forgotten over time, and operation confirmation can be output for necessary operations by the user.
- the erroneous operation probability is lowered at a certain rate, and when the confirmed operation is not executed, the erroneous operation probability is reduced. It can be raised at a certain rate.
- a predetermined operation confirmation message (“Set the image quality of the recorded image. XP mode (high image quality), SP mode (standard image quality), LP Mode (long time) and EP mode (longer time) can be selected. Do you want to make settings? The user performed the operation confirmed by selecting “ha ⁇ ” At that time, the probability of erroneous operation of the “Recording Mode” button is reduced from 70% before confirmation to 30%. The reason for updating to a lower value is that the user correctly operated the “recording mode” button.
- FIG. 15 is a flowchart showing a procedure of processing performed in the information providing unit 200.
- the same steps as those in FIG. 12 are denoted by the same reference numerals, and description thereof is omitted.
- step S 151 for updating the operation error probability using the operation confirmation output result. is there.
- step S151 the update unit 201 is stored in the probability information storage unit 106 so as to raise or lower the erroneous operation probability corresponding to the specific operation information in the erroneous operation probability table. Update.
- step S151 By performing step S151 in an additional manner, the erroneous operation probability is updated for the operation input by the user and the output result of the operation confirmation, and the extra operation confirmation is performed by using the updated erroneous operation probability. It is possible to output operation confirmation only for operations that require operation confirmation.
- the erroneous operation probability is more accurately updated depending on the total number of times that the operation confirmation is output or the period during which the operation is not performed. be able to.
- FIG. 16 shows an example in which the erroneous operation probability is updated by the operation confirmation output. Shown in Figure 16 As shown, the information providing unit 200 outputs the first operation confirmation 80 for the operation information B2, and outputs the second operation confirmation 81 for the operation information B2 based on the subsequent operation. As a result, the erroneous operation probability 82 of the operation information B2 is updated to 90%, 70%, and 50% in order.
- the operation confirmation information providing apparatus of the present invention includes information on erroneous operations of each function of the operation target device defined based on the operation experience of multiple users who have operation experience other than the operation target device (error operation pattern). There are several prepared. By determining which erroneous operation pattern the user corresponds to based on the user's operation history, it is possible to estimate an erroneous operation group using only the user's operation history. By accurately updating the operation error probability by estimating the operation error group, it is possible to confirm the operation for an operation that is likely to be erroneously performed by the user.
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US8078560B2 (en) | 2011-12-13 |
JPWO2007145007A1 (ja) | 2009-10-29 |
JP4769299B2 (ja) | 2011-09-07 |
US20090327816A1 (en) | 2009-12-31 |
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