WO2011114401A1 - 電子装置 - Google Patents

電子装置 Download PDF

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Publication number
WO2011114401A1
WO2011114401A1 PCT/JP2010/006827 JP2010006827W WO2011114401A1 WO 2011114401 A1 WO2011114401 A1 WO 2011114401A1 JP 2010006827 W JP2010006827 W JP 2010006827W WO 2011114401 A1 WO2011114401 A1 WO 2011114401A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
display
electronic device
screen
photographer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2010/006827
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
中島　伸一
政一 関口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corp filed Critical Nikon Corp
Priority to CN201080062838.3A priority Critical patent/CN102741796B/zh
Publication of WO2011114401A1 publication Critical patent/WO2011114401A1/ja
Priority to US13/611,970 priority patent/US8836841B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6811—Motion detection based on the image signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—Circuitry for evaluating the brightness variation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/01—Indexing scheme relating to G06F3/01
    • G06F2203/011—Emotion or mood input determined on the basis of sensed human body parameters such as pulse, heart rate or beat, temperature of skin, facial expressions, iris, voice pitch, brain activity patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/51—Control of the gain

Definitions

  • the present invention relates to an electronic device.
  • menu items are classified into a plurality of types according to the type, and are further arranged in a tree structure from the dependency relationships in each category. The user sometimes wandered the hierarchical structure searching for a menu to be set from these classified menu items displayed on the display unit.
  • An electronic apparatus includes a processing unit that performs processing, a display unit that performs display, and a setting screen related to processing of the processing unit on the display unit when a change in the biological information of the user is acquired.
  • a control unit that displays a display screen that is at least one of the guide screens.
  • FIG. 1 is a cross-sectional view of a main part of a camera system 1 according to the present embodiment.
  • a camera system 1 will be described as an example of an electronic device or a portable device.
  • the camera system 1 is a lens-interchangeable single-lens reflex camera that functions as an imaging device by combining a camera body 2 and a replaceable photographing lens 3.
  • the photographic lens 3 includes a lens group 4 including a focus lens, a zoom lens, and an anti-vibration lens, an aperture 5, an angular velocity sensor 6 that detects shake of the camera system 1, a driving device (not shown) that drives the lens group 4, and the like.
  • the angular velocity sensor 6 detects an angular velocity around at least two axes orthogonal to the optical axis.
  • the drive device has a plurality of motors composed of, for example, a vibration wave motor and a VCM, drives the focus lens in the optical axis direction, and drives the anti-vibration lens in a direction different from the optical axis direction.
  • the photographic lens 3 has a lens CPU 7 that controls the entire photographic lens 3 and cooperates with the camera body 2, and controls the photographer's heart rate, blood flow, blood pressure, sweating, body temperature, and photographic lens 3. It has a lens-side biosensor unit 8 that detects a gripping pressure and the like.
  • the camera body 2 retreats so that the light beam from the photographic lens 3 is reflected and guided to the finder optical system 26 and the light beam from the photographic lens 3 is incident on an image sensor 27 composed of a CCD or a CMOS.
  • a main mirror 28 that swings at the retracted position is provided.
  • a partial area of the main mirror 28 is a semi-transmissive area, and the camera body 2 includes a sub-mirror 30 that reflects the light beam transmitted through the semi-transmissive area to the focus detection sensor 29.
  • the sub mirror 30 swings in conjunction with the main mirror 28, and when the main mirror 28 takes the retracted position, the sub mirror 30 also retracts from the light flux.
  • the focus detection sensor 29 detects the focus state of the incident light beam by the phase difference method.
  • the light beam reflected by the main mirror 28 at the reflection position is guided to the finder optical system 26 through the focusing screen 31 and the pentaprism 32.
  • the finder optical system 26 is composed of a plurality of lenses, and the photographer can check the object field with the finder optical system 26.
  • the photometric sensor 40 measures the luminance distribution of the object scene by measuring the light beam incident on the photographing lens 3 for each of a plurality of regions.
  • a GPS (Global Positioning System) module 41 is provided above the pentaprism 32 and receives a signal from a GPS satellite to acquire position information where the camera system 1 exists.
  • the camera body 2 includes a microphone 42 that captures the sound of the object scene at a position that does not interfere with the photographic lens 3 in the vicinity of the mount portion of the photographic lens 3, and a speaker 43 near the finder optical system 26.
  • the focus detection sensor 29, the photometric sensor 40, the GPS module 41, and the microphone 42 are examples of environment sensors in the sense of acquiring an external environment in which the camera system 1 is used.
  • the main mirror 28 When the main mirror 28 is in the retracted position, the light flux from the photographing lens 3 enters the image sensor 27 via the low-pass filter 33.
  • An imaging board 34 is provided in the vicinity of the imaging element 27, and a rear monitor 37 is provided behind the imaging board 34 so as to face the outside.
  • a camera body side biosensor unit that detects the photographer's heart rate, blood flow, blood pressure, sweating volume, body temperature, pressure for gripping the camera body 2, and the like at the position where the photographer's right finger touches the camera body 2 16.
  • the specific configuration and arrangement of the camera body side biosensor unit 16 will be described later.
  • the camera body 2 includes an attitude sensor 45.
  • the attitude sensor 45 detects the attitude of the camera system 1. Specifically, whether the camera system 1 is held horizontally or vertically, and whether the photographer is in a forward leaning posture that allows the photographer to easily view the rear monitor 37. Detect posture.
  • FIG. 2 is an upper schematic view of the camera system 1 according to the present embodiment. Specifically, it is a diagram showing a state where the operator holds the camera body 2 with the right hand and holds the photographing lens 3 with the left hand.
  • the photographing lens 3 includes the lens-side biological sensor unit 8 that detects the photographer's heart rate, blood flow, blood pressure, sweating volume, body temperature, pressure for grasping the photographing lens 3, and the like.
  • the sensor unit 8 is disposed at a position where the finger or palm of the left hand of the photographer touches.
  • the heart rate detection device 9 has a plurality of electrode parts separated from each other, each composed of a reference electrode 9a and a detection electrode 9b, and detects the heart rate of the photographer.
  • the pulse wave detection device 12 includes a plurality of light emitting units 12a (12a1 to 12a4) and light receiving units 12b (12b1 to 12b4) corresponding to the light emitting units 12a (12a1 to 12a4), and detects the pulse group of the photographer.
  • the pulse wave detection device 12 is used to measure the blood flow and blood pressure of the photographer as will be described later.
  • the camera body 2 has the camera body side biosensor unit 16 at a position where the right finger of the photographer touches.
  • the thumb of the right hand is located on the back of the camera body 2, and the index finger is located in the vicinity of the release SW 24, so that it is separated from the other three fingers located on the grip portion.
  • the camera body-side biosensor unit 16 has a camera rear surface position corresponding to the thumb of the right hand, a position near the release SW 24 corresponding to the index finger, and a camera front position near the grip section corresponding to the other three fingers. And spaced apart from each other.
  • the camera main body side biosensor unit 16 corresponding to the index finger may be provided on the surface of the release SW 24.
  • At least one of the camera front surface position where the three fingers other than the thumb and index finger of the right hand hold the camera body 2 and the camera rear surface position corresponding to the thumb of the right hand determines the camera body 2. It is a holding part to hold.
  • a number of operations SW are provided on the back of the camera body 2, and these operations SW are operated with the right thumb.
  • a shooting mode SW 25 for setting a shooting mode is provided on the upper surface of the camera body 2.
  • FIG. 3 is a diagram showing a first state in which the photographing lens 3 is held with the left hand.
  • the first state is a state in which the back of the left hand is positioned on the lower side and the photographing lens 3 is gripped.
  • FIG. 4 is a diagram illustrating a second state in which the photographing lens 3 is held with the left hand.
  • the second state is a state where the back of the left hand is positioned on the left side and the photographing lens 3 is gripped.
  • a plurality of lens side biosensors 8 (8A to 8D) are provided on the circumference of the photographing lens 3.
  • the lens-side biosensor unit 8 is at least one of a zoom operation position and a manual focus operation position, a position corresponding to the thumb of the left hand, and a position corresponding to a finger other than the thumb. They are spaced apart. More specifically, the lens-side biosensor unit 8 is provided at a position where the zoom operation rubber and the focus operation rubber are provided so as to contact the left hand or to face the left hand. Yes.
  • the lens-side biological sensor unit 8A includes a sweating sensor 13 that detects the amount of sweating of the photographer, a temperature sensor 14 that detects the body temperature of the photographer, and imaging.
  • a pressure sensor 15 is provided for detecting the pressure with which the person holds the photographing lens 3.
  • the lens-side biosensor units 8B to 8D each include a heart rate detection device 9, a pulse wave detection device 12, a sweat sensor 13, a temperature sensor 14, and a pressure sensor 15.
  • a heart rate detection device 9 a pulse wave detection device 12
  • a sweat sensor 13 a temperature sensor 14
  • a pressure sensor 15 a pressure sensor 16.
  • a plurality of lens-side biosensors 8 (8A to 8D) are provided according to the zoom operation position, the manual focus operation position, and the like.
  • the plurality of lens-side biosensor units 8 may be provided at positions other than the above-described positions as long as the biometric information can be detected even when the gripping method is changed. Further, since the force with which the thumb of the left hand grips the photographing lens 3 is not so large, the pressure sensor 15 corresponding to the thumb of the left hand may be omitted in the lens side biosensor units 8B and 8C.
  • the lens CPU 7 may be controlled to emit light only when a finger is applied to the light emitting unit 12a of the pulse wave detecting device 12.
  • FIG. 5 is a view showing the camera body-side biosensor unit 16 provided in the vicinity of the release SW 24 of the camera body 2.
  • the camera body side biosensor unit 16 includes a heart rate detection device 17 having the same configuration as the heart rate detection device 9 and a pulse wave detection device 20 having the same configuration as the pulse wave detection device 12.
  • the camera body-side biosensor unit 16 includes a sweat sensor 21 that detects the amount of sweat of the photographer, a temperature sensor 22 that detects the body temperature of the photographer, and a pressure sensor that detects the pressure at which the photographer holds the camera body 2. 23.
  • the camera body-side biosensor unit 16 is not limited to the position corresponding to the right index finger shown in the figure, but also to the camera back position corresponding to the thumb and the camera front position corresponding to the other three fingers. Although provided, each has the same configuration.
  • FIG. 6 is a diagram showing the configuration of the heart rate detection device 17 and the pulse wave detection device 20 provided in the camera body-side biosensor unit 16.
  • the heart rate detection device 17 has a plurality of electrode parts separated from each other, each composed of a reference electrode 17a and a detection electrode 17b, and detects the heart rate of the photographer.
  • the pulse wave detection device 20 is configured by alternately arranging a plurality of light emitting units 20a (20a1 to 20a4) and light receiving units 20b (20b1 to 20b4) corresponding to these. Detect the photographer's pulse.
  • FIG. 7 is a block diagram of the camera system 1 according to the present embodiment.
  • the image pickup substrate 34 includes a drive circuit 10 that drives the image pickup device 27, an A / D conversion circuit 11 that converts the output of the image pickup device 27 into a digital signal, an image processing control circuit 18 including an ASIC, and signals from the image pickup device 27.
  • the image processing control circuit 18 performs image processing such as white balance adjustment, sharpness adjustment, gamma correction, and gradation adjustment on the image signal converted into the digital signal, and also performs image compression such as JPEG to generate an image file. Generate.
  • the generated image file is stored in the image recording medium 35.
  • the image recording medium 35 may be a recording medium such as a flash memory that can be attached to and detached from the camera body 2, or may be a recording medium such as an SSD (Solid State Drive) built in the camera body 2. .
  • the image signal subjected to the image processing is displayed on the rear monitor 37 under the control of the rear monitor control circuit 36. If the image signal captured immediately after the image capture is displayed for a predetermined time, a REC review display that allows the photographer to visually recognize an image corresponding to the image file recorded on the image recording medium 35 can be realized. Further, live view display can be realized by sequentially displaying an object scene image, which is continuously photoelectrically converted by the image sensor 27, on the rear monitor 37 without being recorded on the image recording medium 35. Further, an object scene image that is continuously photoelectrically converted by the image sensor 27 is converted into, for example, MPEG, H.264, or the like.
  • moving image compression processing such as H.264 is performed by the image processing control circuit 18 and recorded in the image recording medium 35, moving image shooting can be realized.
  • the sound of the object scene collected by the microphone 42 is also compressed and recorded in synchronization with the moving image data.
  • the frame rate of the generated moving image is selected and set from a plurality of frame rates such as 30 fps, for example.
  • the contrast AF circuit 19 extracts a high-frequency component of the image pickup signal from the image pickup device 27 to generate an AF evaluation value signal, and detects a focus lens position where this becomes the maximum. Specifically, a predetermined high-frequency component is extracted from the image signal input from the image processing control circuit 18 using a bandpass filter, and detection processing such as peak hold and integration is performed to generate an AF evaluation value signal. . The generated AF evaluation value signal is output to the camera body CPU 46.
  • the lens CPU 7 drives the anti-vibration lens in the photographing lens 3 in a direction different from the optical axis direction so as to cancel the camera shake detected by the angular velocity sensor 6 to realize optical camera shake correction.
  • Camera shake correction is not limited to such optical camera shake correction, and a drive mechanism is provided to the image sensor 27, and image sensor drive-type camera shake correction that cancels camera shake by driving in a direction different from the optical axis direction is adopted. You can also.
  • an electronic camera shake that calculates a motion vector between a plurality of images output from the image processing control circuit 18 and cancels camera shake by controlling an image reading position so as to cancel the calculated motion vector between images. Corrections can also be employed.
  • Optical camera shake correction and image sensor-driven camera shake correction are particularly suitable for still image shooting and are also applied to moving image shooting.
  • Electronic camera shake correction is suitable for moving image shooting. These methods can be selectively and additionally employed.
  • the photometric sensor 40 measures the luminance distribution of the object scene by measuring the luminous flux incident on the photographing lens 3 for each of a plurality of areas, and outputs the measurement result to the camera body CPU 46.
  • the camera body CPU 46 calculates an exposure value according to the selected photometry mode.
  • a metering mode a split metering mode that balances bright and dark parts, a center-weighted metering mode that properly exposes the center of the screen, a spot metering mode that properly exposes a narrow area of the selected focus point, and the like can be selected. .
  • the calendar unit 38 includes a crystal oscillator, a timekeeping integrated circuit, and the like, and holds calendar information such as year / month / day / hour / minute / second.
  • the camera body CPU 46 can appropriately detect information related to time from the calendar unit 38.
  • the GPS module 41 receives a signal from a GPS satellite and acquires latitude, longitude, and altitude information where the camera body 2 exists.
  • the camera body CPU 46 can appropriately detect information regarding the position where the camera body 2 is present from the GPS module 41.
  • the flash ROM 39 is an EEPROM (registered trademark), and is a storage device that stores various adjustment values and setting values in addition to a program for operating the camera system 1. Specifically, AF adjustment data, AE adjustment data, manufacturing date / time data, setting SW setting history, and the like are stored. In particular, various setting values set by the photographer are classified into a plurality of menu items of the camera system 1 according to the type, and further managed in a hierarchical manner in a tree structure based on the dependency among the respective classifications. ing. Further, the user guide for guiding the photographer with respect to the functions provided in the camera system 1 is also classified into a plurality of types according to the type, and is managed in a hierarchical manner in a tree structure within each category. ing. Further, the flash ROM 39 stores a usage history for a predetermined number of times of the menu setting screen and the user guide screen.
  • the flash ROM 39 also stores the normal biological information value of the photographer.
  • the flash ROM 39 stores a heart rate, a blood flow rate, a blood pressure, a body temperature, a pressure for gripping the camera body 2, and a pressure for gripping the photographing lens 3 as biometric information values.
  • the RAM 44 is a high-speed RAM such as a DRAM in which a program stored in the flash ROM 39 is expanded and the camera body CPU 46 can access at high speed.
  • various adjustment values and setting values that are frequently referred to are also copied from the flash ROM 39 to facilitate access from the camera body CPU 46.
  • the rear monitor control circuit 36 performs display control for displaying the menu setting screen and the user guide screen read from the flash ROM 39 on the rear monitor 37 in addition to the image processed as described above. Further, a touch panel sensor is laminated on the surface of the rear monitor 37, and when the photographer operates the touch panel sensor while visually recognizing the menu items of the rear monitor 37, the coordinates and the coordinates are displayed. The menu item is output to the camera body CPU 46.
  • the attitude sensor 45 detects the attitude of the camera system 1 as described above.
  • the posture sensor 45 is configured by combining a sensor that detects the posture in a uniaxial direction depending on whether a small sphere moving by gravity blocks the infrared light of the photo interrupter.
  • a triaxial acceleration sensor or the like is used.
  • any configuration may be employed as long as it is detected whether the photographer is in a forward tilt posture in which the rear monitor 37 is easily visible.
  • Release SW24 is a two-stage switch.
  • the camera body CPU 46 starts detection of the photographer's biological information using the lens-side biosensor unit 8 and the camera body-side biosensor unit 16 and performs photographing such as autofocus and photometry. Perform preparatory actions. Further, when the photographer fully presses the release SW 24, the camera body CPU 46 starts a still image / moving image shooting operation.
  • the camera body CPU 46 controls the entire camera system 1 in cooperation with the lens CPU 7.
  • the photographer's biometric information is acquired based on the outputs of the lens-side biosensor unit 8 and the camera-body-side biosensor unit 16, and control such as assist of the camera system 1 is performed.
  • control such as assist of the camera system 1 is performed.
  • the acquisition of the biometric information of the photographer by the lens side biosensor unit 8 and the camera body side biosensor unit 16 will be described.
  • the reference electrode 9a and the detection electrode 9b of the heart rate detection device 9 are provided at a position where the photographer holds the photographing lens 3 with the left hand, and the photographer grasps the camera body with the right hand.
  • the detection potential from the detection electrodes 9b and 16b is output to the camera body CPU 46 after the potential difference is amplified by a differential amplifier (not shown).
  • the camera body CPU 46 calculates the photographer's heart rate based on the potential difference between the detection electrodes 9b and 16b.
  • the space between the reference electrode 9a and the detection electrode 9b is open.
  • the lens CPU 7 determines that the photographer is not holding the photographing lens 3.
  • the camera body CPU 46 determines that the photographer is not holding the camera body 2 when the reference electrode 17a and the detection electrode 17b of the heart rate detection device are open.
  • the pulse wave detection devices 12 and 20 measure the blood pressure of the photographer. Since pulse wave detection device 12 and pulse wave detection device 20 have the same configuration, pulse wave detection device 12 will be described as an example.
  • the pulse wave detection device 12 emits, for example, infrared rays from the light emitting unit 12a, the infrared rays are reflected by the finger arteries, and the reflected infrared rays are received by the light receiving unit 12b which is an infrared sensor, whereby the pulse of the finger part of the hand is received. Detect waves. That is, the blood flow rate of the peripheral blood vessel is detected.
  • the camera body CPU 46 calculates the blood pressure of the photographer based on the pulse wave from the pulse wave detection device 12.
  • the lens CPU 7 determines from the outputs of the reference electrode 9a and the detection electrode 9b of the heart rate detection device 9 that a finger of the photographer such as a little finger is not touching the photographing lens 3, the lens CPU 7 responds to the finger. By prohibiting the light emission of the arranged light emitting unit 12a, useless light emission is prevented and stray light is not emitted to the object scene.
  • the camera body CPU 46 determines that the pulse wave detection device 20 does not touch the camera body 2 based on the outputs of the reference electrode 17 a and the detection electrode 17 b of the heart rate detection device 17, for example. You may prohibit the light emission of the light emission part 20a.
  • the perspiration sensors 13 and 21 have a plurality of electrodes and detect perspiration.
  • the reference electrode 9a and the reference electrode 17a may be used as a part of the plurality of electrodes.
  • the sweat sensor 13 is provided in each of the lens-side biosensors 8A to 8D.
  • mental sweat such as impression, excitement, and tension has less sweat and less sweat time. You may provide only in the lens side biosensor part 8B and C located in the palm side of a middle hand with much quantity.
  • the temperature sensors 14 and 22 use a thermistor method in which the resistance value changes due to heat. Sweating includes the above-described mental sweating and thermal sweating for body temperature regulation, and mental sweating and thermal sweating interfere with each other. Therefore, the camera body CPU 46 can determine whether the photographer's sweating is mental sweating or thermal sweating based on the outputs of the sweating sensors 13 and 21 and the outputs of the temperature sensors 14 and 22. For example, if the temperature detected by the temperature sensor 22 is high and the sweat signal from the sweat sensor 21 is always detected, the camera body CPU 46 can determine that the sweat is thermal.
  • the camera main body CPU 46 can determine that the photographer is in a state of emotion, excitement, tension, etc., when the sweat signal from the sweat sensor 21 is output irregularly and is determined to be mental sweating.
  • the main body CPU 44 determines that the sweat signal from the sweat sensors 13 and 21 is based on the positional information of the GPS module 41, the time information from the calendar unit 38, and the like. Or thermal sweating may be determined.
  • the lens CPU 7 can determine whether the sweat of the left hand is mental sweating or thermal sweating based on the outputs of the sweating sensor 13 and the temperature sensor 14.
  • the pressure sensor 15 is a capacitance type sensor, and measures the amount of deformation caused by the pressing force when the photographer holds the photographing lens 3. In the present embodiment, the pressure sensor 15 is provided below the operation rubber.
  • the pressure sensor 23 is a similar capacitance type sensor, and measures the amount of deformation caused by the pressing force when the photographer holds the camera body 2.
  • a strain gauge, an electrostrictive element, or the like may be used as the pressure sensors 15 and 23.
  • the camera main body CPU 46 cooperates with the lens CPU 7 to acquire the photographer's biometric information based on the outputs of the lens side biosensor unit 8 and the camera main body side biosensor unit 16. Control assists. In the present embodiment, control for displaying at least one of the menu setting screen and the user guide screen on the rear monitor 37 is performed using the biological information of the photographer.
  • FIG. 8 is a rear view of the camera system 1.
  • a state in which the menu setting screen is displayed on the rear monitor 37 is shown.
  • a cross SW 47 is provided in the vicinity of the rear monitor 37, and the photographer operates the cross SW 47 to move the setting target items that are actively displayed on the menu setting screen in the up, down, left, and right directions. Move to select a specific menu item.
  • a determination button is provided at the center of the cross switch 47, and the photographer presses the determination button to instruct execution of the selected menu item.
  • the photographer displays a specific screen by performing the same operation. Details will be described later.
  • FIG. 9 is a diagram for explaining the hierarchical structure and display example of the menu setting screen.
  • a playback tab 51 a shooting tab 52, a setup tab 53, and a help tab 54, which are classified as tabs, are arranged at the left end. Is displayed.
  • Menu items related to playback are grouped in the playback tab 51, and similarly, menu items related to shooting are grouped in the shooting tab 52, and menu items related to the use environment of the camera system 1 are grouped in the setup tab 53.
  • the help tab 54 summarizes explanation items that can be selected when there is a help display related to the displayed item.
  • the photographer selects one of the playback tab 51, the shooting tab 52, and the setup tab 53, the title 55 of the tab and the menu item list 56 of the next layer collected on the tab are displayed.
  • the tab is selected by moving the active display using the up / down buttons of the cross switch 47 and pressing the enter button.
  • the active display moves to one menu item in the menu item list 56, and is similarly selected by operating the cross switch 47.
  • a scroll bar 57 is displayed so that the position of the currently active menu item can be visually recognized.
  • FIG. 9A shows an example in which the setup tab 53 is selected and menu items related to the use environment of the camera system 1 are listed.
  • “brightness of the liquid crystal monitor” which is a menu item for adjusting the brightness of the rear monitor 37
  • the display screen is changed to display the screen of FIG. 9B.
  • FIG. 9B is a menu setting screen for the selected “brightness of the liquid crystal monitor”.
  • a plurality of icons representing brightness and an indicator 58 including a bar in accordance with a selectable step size are displayed, and the photographer moves the active display with the left and right buttons of the cross SW 47.
  • the setting is executed or canceled by selecting “OK” or “Cancel” with the up and down buttons.
  • the menu setting screen may be displayed for the first time in a deeper hierarchy.
  • the user guide that guides the photographer with respect to the functions of the camera system 1 is also classified into a plurality of types according to the type, like the menu items, and further hierarchized into a tree structure in each category. Are managed. The user guide will be described below.
  • FIG. 10 is a diagram for explaining the hierarchical structure and display example of the user guide screen.
  • the user guide screen is displayed when “GUIDE” provided as one item of the shooting mode SW25 is matched with an index and the guide mode is selected.
  • FIG. 10A shows the top screen of the guide menu.
  • a title 61 is displayed, and below the title menu 61, a shooting-related icon 62, a reproduction-related icon 63, and a setting-related icon 64 are classified and displayed so as to correspond to the tabs of the menu setting screen.
  • the photographer selects one of these by operating the cross switch 47. For example, when the shooting-related icon 62 is selected, a transition is made to the guide item list display shown in FIG.
  • a guide item list 65 is displayed, and the photographer selects one of the guide items to be referred to by operating the cross switch 47.
  • a pop-up window is further opened and a sub-item list 67 is displayed as shown in FIG.
  • the photographer selects one of the guide items.
  • the screen transitions to a screen as shown in FIG. 10D, and the guide for that item is displayed.
  • a user guide screen of “shoot with blurred background” is shown.
  • a specific description 69 is displayed together with the title 68.
  • a set value 70 is displayed, and an image illustration 71 corresponding to the set value is simultaneously displayed.
  • the set value 70 is an aperture value F5.6
  • the state of the aperture opening corresponding to F5.6 is imaged.
  • the setting value 70 can be changed by operating the cross switch 47, and can be adopted as an actual setting value as it is.
  • control for directly displaying at least one of the menu setting screen and the user guide screen on the rear monitor 37 is performed based on the biometric information of the photographer.
  • FIG. 11 is an operation flowchart showing the relationship between a series of shooting operations of the camera system 1 and the display of the menu setting screen and the user guide screen. In this operation flow, a description will be given of a shooting operation of still image shooting as an example.
  • the camera main body CPU 46 uses the rear monitor control circuit 36 in step S101 to perform live view with exposure adjusted on the rear monitor 37. Start displaying images.
  • the camera main body CPU 46 displays the live view image whose exposure is adjusted on the rear monitor 37 using the rear monitor control circuit 36.
  • the exposure is adjusted by using a plurality of image signals from the image sensor 27 obtained at the start of live view display, for example, so that the average luminance value of one entire image falls within a predetermined range.
  • the main mirror 28 may be temporarily set to the reflection position, and the camera body CPU 46 may calculate an appropriate exposure according to the photometric mode by obtaining an output from the photometric sensor 40.
  • the camera body CPU 46 acquires the photographer's biological information from at least one of the camera body side biosensor unit 16 and the lens side biosensor unit 8 in step S102.
  • step S103 it is determined whether or not a change has occurred in comparison with the previously acquired biometric information. In particular, it detects whether the photographer's mental state has changed from a normal state to an irritated state.
  • the biological information of the photographer in the normal state is stored in the flash ROM 39.
  • the camera main body CPU 46 periodically and continuously acquires the photographer's biological information, and normally outputs a certain range of biological information that is stable as the output of the sensor. It is accumulated as biological information in the state. Therefore, the camera body CPU 46 can estimate whether or not the current state of the photographer is the normal state by comparing the acquired biological information with the biological information in the normal state stored in the flash ROM 39. it can. Further, whether or not it is in an irritated state is also determined by comparison with the biological information in the normal state stored in the flash ROM 39. For example, if an output indicating that the heart rate is high and the amount of sweating irregularly changes is obtained with respect to the normal state, it can be determined that the state is frustrated.
  • step S103 It is estimated that the fact that there is no change in the biological information in step S103 means that the photographer who operates the camera system 1 while viewing the live view image is satisfied with the shooting environment. In other words, the photographer estimates that the camera system 1 can be operated as intended. Conversely, it is presumed that the change in the biological information means that the photographer who operates the camera system 1 while viewing the live view image is not satisfied with the shooting environment. For example, if the photographer wants to change to a specific shooting mode but does not understand the setting change operation, the photographer feels frustrated.
  • the camera body CPU 46 captures the change in the mental state from at least one of the lens side biosensor unit 8 and the camera body side biosensor unit 16. In addition, when it is determined positively that the shooting environment is satisfied, a specific emotion may be estimated from the biological information.
  • the lens-side biosensor unit 8 and the camera body-side biosensor unit 16 are configured as a collection of various sensors, and each sensor outputs different types of biometric information. By judging these outputs alone or in combination, a photographer's specific emotion can be estimated. For example, when a high heart rate and mental sweating are detected, it can be estimated that the photographer feels “impression”. The correspondence between the sensor output and the emotion is obtained in a verification manner, and a table indicating the correspondence can be stored in the flash ROM 39. Thus, in emotion estimation, it is only necessary to determine whether the acquired biometric information matches a specific emotion pattern described in the table.
  • the following display control based on changes in biological information may not be performed.
  • the following display control may be performed after it is determined that the state has returned to the normal state.
  • step S104 the output of the attitude sensor 45 is acquired to determine whether the camera system 1 is tilted. In particular, it is determined whether or not the photographer is in a forward tilt posture in which the rear monitor 37 is easily visible. If it is determined that it has been tilted, the process proceeds to step S105.
  • step S105 The situation of step S105 is that the photographer's biological information has changed in step S103, and the camera system 1 has been tilted forward in step S104. It is presumed that the situation is seeking a guide. Therefore, the camera body CPU 46 performs control to display at least one of the menu setting screen and the user guide screen on the rear monitor 37 in step S105. Whether to display the menu setting screen, the user guide screen, or the sequential display may be set in advance or may be configured to follow the user's setting. Particularly in the present embodiment, a case will be described in which the camera body CPU 46 appropriately determines what to display in accordance with the situation of the camera system 1.
  • the status of the camera system 1 can be judged from various information.
  • the use environment can be determined from the output of the environment sensor provided in the camera system 1.
  • the current position information can be acquired from the latitude, longitude, altitude information obtained as the output of the GPS module 41 and the map information stored in the flash ROM 39. If the location information can be acquired and, for example, it is possible to determine that it is a famous landscape shooting location, a user guide screen explaining a shooting mode suitable for landscape shooting, or a menu setting screen with shooting conditions suitable for landscape shooting as an initial value Can be displayed.
  • the time information from the calendar unit 38 is also information for estimating the use environment of the camera system 1.
  • a user guide screen for explaining a shooting mode suitable for night scene shooting or a menu setting screen for setting shooting conditions suitable for night scene shooting as an initial value can be displayed. If the position information and the time information are combined, for example, a user guide screen suitable for a summer daytime beach can be displayed.
  • the situation of the camera system 1 can be determined from other information other than the output of the environmental sensor.
  • the flash ROM 39 stores the usage history of the menu setting screen and the user guide screen for a predetermined number of times as described above, but displays the menu setting screen and the user guide screen again in spite of displaying the menu setting screen and the user guide screen immediately before.
  • the display history of the menu setting screen and the user guide screen is a material indicating the status of the camera system 1.
  • the operation performed by the photographer immediately before is also a material indicating the status of the camera system 1. For example, if it can be determined that the photographer has changed to an irritated state as a result of an operation, the operation result can be assumed to be an unfavorable result for the photographer, so a user guide screen relating to other operations may be displayed.
  • the status of the camera system 1 can be determined from the information of the live view image displayed before and after the biometric information changes. For example, if the live view image includes a person's face but is not in focus, it can be estimated that the photographer wants to make settings related to face recognition. In this case, it is possible to display a user guide screen relating to face recognition settings.
  • the camera body CPU 46 can analyze the live view image, estimate the cause of the change in the photographer's biological information, and display a user guide screen or the like according to the estimated result. Further, when the camera body CPU 46 detects that the photographer is frustrated when the photographed image is deleted, the camera body CPU 46 displays a menu for changing the photographing condition and a menu for selecting a scene mode on the rear monitor. You may make it do. Further, the camera body CPU 46 may perform shooting under shooting conditions different from the shooting conditions set by the photographer based on the output of the environment sensor.
  • this operation flow describes still image shooting, whether the camera system 1 is set to still image shooting or moving image shooting is also a useful material for determining the situation.
  • still image shooting for example, display screens related to still image shooting such as image mode (recording pixels such as high image quality, standard, economy, etc.), sensitivity, number of continuous shots, etc. may be displayed.
  • a display screen related to moving image shooting such as a frame rate and a short movie time setting may be displayed.
  • step S105 at least one of the menu setting screen and the user guide screen set as described above is displayed.
  • the display is performed in a form different from the normal display form described in FIGS.
  • the normal display form it is required to go down sequentially to a specific menu setting screen or user guide screen, but if the camera body CPU 46 determines the status of the camera system 1 as described above, The display screen that the photographer is seeking can be estimated. Therefore, the camera body CPU 46 directly displays a deep display screen according to the situation of the camera system 1 regardless of the hierarchical structure of the menu setting screen and the user guide screen.
  • a shallow display screen may be displayed according to the situation of the camera system 1.
  • a setting value suitable for the target function that is a setting item for that situation is assumed, so the number of options that can be selected in the normal menu setting item can be varied.
  • a normal aperture value setting display all aperture values that can be set by the photographic lens 3 attached are displayed as options, but in a situation where the surrounding environment is dim, several steps from the open value side. Only the options can be displayed in a limited manner. Alternatively, aperture values that are not selected can be displayed in gray out.
  • the menu setting screen and user guide screen displayed in step S105 can be displayed in a pop-up window format in addition to the live view display, in addition to being displayed by switching. If the photographer can visually recognize the menu setting screen and the user guide screen together with the subject image displayed in the live view, the photographer can understand the specific operation more intuitively. The photographer may select in advance how to display these display screens. When the photographer inputs an instruction to the displayed menu setting screen, a touch panel sensor stacked on the surface of the rear monitor 37 may be operated.
  • the display returns to the live view display state, and biometric information is acquired again in step S102 after a predetermined time has elapsed.
  • the predetermined time is determined so that the photographer's emotion can change. For example, it is the time for the frustrated state to return to the normal state. When the photographer's frustration continues, this operation is repeated to change and display the display contents of the menu setting screen and the user guide screen.
  • step S103 If it is determined in step S103 that there is no change in the photographer's biometric information, in particular a normal state, and if it is not determined that the camera system 1 is tilted in step S104, the process proceeds to step S106, and the release is performed. It is determined whether or not SW1 that is half-pressed of SW24 is turned on. If it is not turned on, the process returns to step S102, and the live view display is continued.
  • the camera body CPU 46 proceeds to step S107 and executes a shooting preparation operation.
  • the exposure value is determined by the output of the photometric sensor 40, and autofocus is performed by a phase difference method using the focus detection sensor 29.
  • the auto focus may be a contrast method using a contrast AF circuit 19.
  • step S107 When the shooting preparation operation is completed in step S107, the process proceeds to step S108, and the camera body CPU 46 acquires the photographer's biological information from at least one of the camera body side biosensor unit 16 and the lens side biosensor unit 8 in the same manner as in step S102. To do.
  • step S109 it is determined whether or not a change has occurred in comparison with the previously acquired biometric information. In particular, it detects whether the photographer's mental state has changed from a normal state to an irritated state.
  • step S109 the process proceeds to step S110, where the output of the attitude sensor 45 is acquired to determine whether the camera system 1 is tilted. In particular, it is determined whether or not the photographer is in a forward tilt posture in which the rear monitor 37 is easily visible. If it is determined that it has been tilted, the process proceeds to step S111.
  • step S110 The situation of step S110 is that the photographer's biological information has changed in step S109, and the camera system 1 has been tilted forward in step S110. It is presumed that a setting change or operation guide is requested. Therefore, the camera main body CPU 46 performs control to display at least one of the menu setting screen and the user guide screen on the rear monitor 37 in step S111.
  • a menu setting screen and a user guide screen relating to the shooting preparation operation are extracted and displayed.
  • step S109 If it is determined in step S109 that there is no change in the photographer's biometric information, in particular a normal state, and if it is not determined in step S110 that the camera system 1 is tilted, the process proceeds to step S112, and the release is performed. It is determined whether or not SW2, which is a full press of SW24, is turned on. If it is not turned on, the process returns to step S102, and the live view display is continued. When SW2 is turned on by the photographer, the camera body CPU 46 proceeds to step S113 and executes the actual photographing operation.
  • the lens CPU 7 operates the aperture 5 and the camera body CPU 46 runs the focal plane shutter according to the exposure value determined in step S107, and guides the subject luminous flux to the image sensor 27. Further, the camera body CPU 46 performs charge reading by multiplying the output of the image sensor 27 by a predetermined gain according to the determined imaging sensitivity.
  • the image processing control circuit 18 performs image processing and compression processing on the image signal thus generated to generate an image file.
  • the process proceeds to step S115, and the camera body CPU 46 records the generated image file on the image recording medium 35.
  • the image data subjected to the image processing is displayed on the rear monitor 37 by the rear monitor control circuit 36 for a predetermined time set for about 3 seconds, for example, in step S116. The photographer can view the image immediately after shooting as a REC review.
  • the camera body CPU 46 Upon receiving the visual recognition of the photographer's REC review, the camera body CPU 46 acquires the photographer's biological information from at least one of the camera body side biosensor unit 16 and the lens side biosensor unit 8 in step S117. In step S118, it is determined whether or not a change has occurred in comparison with the previously acquired biometric information. In particular, it detects whether the photographer's mental state has changed from a normal state to an irritated state. If the camera body CPU 46 determines that there is a change in step S118, the process proceeds to step S119.
  • the situation in step S119 is estimated to be a situation where the photographer is not satisfied with the photographed image generated by the processing from step S113 to step S115 and is seeking some setting change or an operation guide. Therefore, the camera body CPU 46 performs control to display at least one of the menu setting screen and the user guide screen on the rear monitor 37 in step S119.
  • a main setting operation, a menu setting screen for image processing, and a user guide screen are extracted and displayed.
  • a menu setting screen for flash, red-eye reduction, etc., a user guide screen for explaining gradation correction processing, color temperature correction processing, and the like are extracted and displayed.
  • step S116 it is presumed that the photographer is in a posture in which the rear monitor 37 is easily visible, and therefore the detection by the posture sensor 45 is not performed after step S117. Further, the posture detection in step S104 and step S110 may be omitted.
  • step S118 If it is determined in step S118 that there is no change, the series of operation flow ends.
  • the above operation flow has been described on the assumption that live view display is performed, the menu setting screen and the user guide screen are displayed based on the same concept even when the photographer observes the field of view with the viewfinder optical system 26. It can be performed.
  • the display of the menu setting screen and the user guide screen can be changed based on the detection result of the biological information. For example, even during moving image shooting, if there is a change in biometric information that is periodically acquired, it is possible to perform control such that the menu setting screen and the user guide screen are displayed while moving image shooting is continued.
  • an imaging unit for imaging the photographer may be provided in the vicinity (for example, the upper side) of the rear monitor 37 to detect the photographer's facial expression. For example, it may be determined that the photographer is frustrated when the left eye and the right eye of the photographer are imaged to capture the space between the eyebrows and the eyelid between the eyebrows is detected.
  • the eyelid between eyebrows may be detected by storing an image with eyelids between the eyebrows in the flash ROM 39 as a reference image and detecting by pattern matching, or by detecting from the shadow distribution of the portion between the left eye and the right eye Good.
  • the detection of eyelids between eyebrows is also disclosed in US Patent Publication No. 2008-292148.
  • the state of the photographer can be determined with higher accuracy by using the expression detection result described above.
  • the camera body 2 and the photographing lens 3 are configured to include the lens side biosensor unit 8 and the camera body side biosensor unit 16, respectively.
  • the biological sensor may be configured independently so as to be directly attached to the photographer's body.
  • a wristwatch type biosensor as disclosed in Japanese Patent Laid-Open No. 2005-270543 (US Pat. No. 7,538,890) may be used.
  • the camera system 1 includes a wired or wireless biological information acquisition unit. Note that when a plurality of biosensors are provided, the respective outputs may be different. In such a case, it is possible to determine in advance which biosensor is prioritized for output, and it is possible to adopt measures such as calculating an average value of outputs.
  • the configuration of the power supply is not particularly mentioned, but of course, the camera system 1 operates by receiving power supply.
  • the camera system 1 can receive power supply by connecting it to a household AC power source or from a detachable battery.
  • the type of battery may be a primary battery or a secondary battery.
  • a plurality of batteries may be detachable according to the nature of the element supplying power.
  • a battery can be attached to each unit.
  • the battery attached to the camera body 2 mainly supplies power to the camera body 2
  • the battery attached to the photographing lens 3 mainly supplies power to the photographing lens 3. Therefore, the driving power for driving the focus lens is supplied by the battery attached to the photographing lens 3.
  • power can be supplied so that one battery supplements the other battery.
  • the camera system 1 that is a lens interchangeable single-lens reflex camera has been described as an example of a portable device.
  • the present invention is not limited to application to the camera system 1.
  • electronic devices that can change the display of menu setting screens and user guide screens based on detection results of biological information (for example, notebook computers, game machines, mobile phones, music players) Any of the above concepts can be applied.

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