JP5240317B2 - Digest image display device, digest image display method and program - Google Patents

Description

  The present invention relates to a digest image display device, a digest image display method, and a program.

  Conventionally, there is a digest image display device that creates and displays a digest image (moving image) of a sports program or the like (see, for example, Patent Document 1).

  This digest image display device creates a digest image by detecting the level of an audio signal and extracting a highlight scene in which the level of the audio signal is equal to or greater than a threshold in television broadcasting.

JP-A-9-284704 (page 2-4, FIG. 1)

  In recent years, for example, cases of performing posture analysis for golf practice using a video camera or a digital camera are increasing.

  In golf practice, the quality of the golf swing appears on the user's form. Conversely, if this form can be analyzed to improve the form, the ball also flies in the target direction and the flight distance of the hit ball also increases.

  In golf practice, the swing is performed a plurality of times, so it is easy to determine the quality of the form by creating a digest video.

  However, even if an attempt is made to create a digest image by connecting a video camera or a digital camera to a conventional digest image display device, a digest image of a swing cannot be created only by detecting a highlight scene. For this reason, in the conventional digest image display device, it is difficult to analyze the form (posture) in detail as the operation.

  The present invention has been made in view of such a conventional problem, and an object thereof is to provide a digest image display device, a digest image display method, and a program capable of easily analyzing the operation.

A digest image display device according to a first aspect of the present invention provides:
A video acquisition unit that captures a subject that performs the operation of generating an accompanying sound a plurality of times and acquires a video of the subject;
An accompanying sound acquisition unit for acquiring the accompanying sound;
A timing detection unit that detects each timing at which the accompanying sound is generated based on the video acquired by the video acquisition unit or the accompanying sound acquired by the accompanying sound acquisition unit;
A digest image generation unit that generates a digest image for each timing detected by the timing detection unit from the video acquired by the video acquisition unit;
A combined image generating unit that combines the digest images generated by the digest image generating unit at each timing with reference to the timings detected by the timing detecting unit, and generates a combined image showing blurring of the posture of the subject;
A blur amount acquisition unit that compares the digest images used to generate the composite image of the composite image generation unit and acquires a blur amount of the posture of the subject;
An evaluation unit that compares a target target blur amount with the blur amount of the subject acquired by the blur amount acquisition unit and evaluates the motion of the subject based on a difference between the target blur amount and the blur amount of the subject. When,
A digest image display unit that displays a composite image generated by the composite image generation unit and an evaluation result of a result evaluated by the evaluation unit.

The blur amount acquisition unit compares a plurality of digest images generated by the digest image generation unit, acquires a total blur amount of the posture of the subject,
The evaluation unit compares the target total blur amount as a target with the total blur amount of the subject, and evaluates the motion of the subject based on a difference between the target blur amount and the blur amount of the subject. Also good.

The blur amount acquisition unit divides a plurality of digest images generated by the digest image generation unit into a plurality of blocks, and acquires a local blur amount of the posture of the subject for each of the divided blocks.
The evaluation unit compares each local blur amount acquired by the blur amount acquisition unit with a target local blur amount targeted for each local blur amount, and each local blur amount and target local blur amount of the subject The movement of the subject is evaluated for each block based on the difference between
The digest image display unit may display the digest image generated by the digest image generation unit and the evaluation result evaluated by the evaluation unit for each block.

  The evaluation unit compares a difference between each local blur amount of the subject and the target local blur amount with a threshold value set in advance for the difference, and determines an image of the block in which the difference is equal to or greater than the threshold value. Image processing for indicating the evaluation result may be performed.

The digest image generation unit generates a plurality of digest images in one operation at one timing detected by the timing detection unit,
The evaluation unit may synthesize a plurality of digest images generated by the digest image generation unit side by side.

A target blur amount storage unit for storing the target blur amount;
The evaluation unit may acquire the target blur amount with reference to the target blur amount storage unit.

A digest image display method according to a second aspect of the present invention includes:
Photographing a subject that performs an operation of generating an accompanying sound a plurality of times, and obtaining an image of the subject;
Obtaining the accompanying sound;
Detecting each timing at which the accompanying sound is generated based on the acquired video or the accompanying sound; and
Generating a digest image for each detected timing from the acquired video;
Synthesizing the digest image generated at each timing with reference to each detected timing, and generating a composite image showing blurring of the posture of the subject;
Comparing each digest image used to generate the composite image to obtain a blur amount of the posture of the subject;
Comparing a target target blur amount with the subject blur amount, and evaluating the motion of the subject based on a difference between the target blur amount and the subject blur amount;
Displaying the composite image and the evaluation result of the evaluation result.

The program according to the third aspect of the present invention is:
On the computer,
A procedure for photographing a subject that performs an operation that generates an accompanying sound a plurality of times and acquiring an image of the subject,
Obtaining the accompanying sound;
A procedure for detecting each timing at which the accompanying sound is generated based on the acquired video or the accompanying sound,
A procedure for generating a digest image for each detected timing from the acquired video,
A procedure for synthesizing a digest image generated at each timing with reference to each detected timing, and generating a synthesized image showing blurring of the posture of the subject,
A procedure for comparing each digest image used to generate the composite image and obtaining a blur amount of the posture of the subject;
A procedure for comparing a target blur amount and a blur amount of the subject, and evaluating the motion of the subject based on a difference between the target blur amount and the blur amount of the subject;
A procedure for displaying the composite image and an evaluation result of the evaluation result;
Is to execute.

  According to the present invention, the operation can be easily analyzed.

It is a block diagram which shows the structure of the digital camera which concerns on Embodiment 1 of this invention. It is a figure which shows the digital camera which image | photographs the mode of a user's golf practice. It is a figure which shows the external appearance of a digital camera, (a), (b), (c) shows the upper surface, front surface, and rear surface of a digital camera, respectively. It is a figure which shows the menu displayed on the liquid crystal monitor shown in FIG. 3, (a) shows a moving image shooting menu, (b) shows a reproduction menu, (c) shows a rearrangement menu. It is a figure which shows the structure of the impact detection part shown in FIG. FIG. 4 is a diagram illustrating characteristics and data examples of the impact detection unit illustrated in FIG. 3, (a) is a diagram illustrating characteristics of a low frequency removal filter in the impact detection unit, and (b) is a diagram that passes through the low frequency removal filter. It is a figure which shows the example of data. It is a figure which shows the method of calculating | requiring the swing speed of a golf club. It is a figure which shows the method of calculating | requiring a flying ball direction. It is a figure which shows the impact information which an impact information storage part stores. It is a flowchart which shows the imaging | photography process which a digital camera performs. It is a flowchart which shows the reproduction | regeneration processing (1) which a digital camera performs. 6 is a diagram illustrating a specific example of the operation of the digital camera according to the first embodiment. It is a block diagram which shows the structure of the digital camera which concerns on Embodiment 2 of this invention. It is a figure which shows the example of the advanced person used for the reference data which the reference blur information storage part shown in FIG. 13 stores, (a) shows a senior's swing, (b) is the advanced part shown to (a). An example in which a person's video is divided into eight blocks is shown. It is a figure which shows the image composition process of the scoring part shown in FIG. It is a figure which shows the menu displayed on a liquid crystal monitor, (a) shows a selection menu, (b) shows a scoring method selection menu. It is a figure which shows the instruction | indication frame which CPU shown in FIG. 13 displays on a liquid crystal monitor for the positioning of a digital camera at the time of imaging | photography. 10 is a flowchart illustrating a reproduction process (2) executed by the digital camera according to the second embodiment. As a specific example of the operation of the digital camera according to the second embodiment, the scoring unit generates a composite image, and (a) to (d) are composite images obtained by combining four frame images, for example. Indicates. As a specific example of the operation of the digital camera according to the second embodiment, when a scoring method based on the total shake amount is used, FIG. As a specific example of the operation of the digital camera according to the second embodiment, when a scoring method based on the amount of local blur is used, it is a diagram illustrating a composite image displayed on a liquid crystal monitor and a scoring result. FIG. 5A is a diagram illustrating an application example (1) of rearrangement according to the first embodiment, and FIG. 5A illustrates an example in which one digest video and another digest video are rearranged in a liquid crystal monitor for comparison; ) Shows an example in which a plurality of digest videos are arranged and rearranged in the liquid crystal monitor. As application example (2) of rearrangement of Embodiment 1, it is a figure which shows each menu for selecting a self-scoring, (a) shows a digest animation option menu, (b) shows a self-scoring menu. (C) shows a rearrangement menu. It is a flowchart which shows the audio | voice data acquisition process which the digital camera of the application example (2) performs. It is a figure which shows the impact information which the impact information storage part of the application example (2) stores. It is a flowchart which shows the reproduction | regeneration processing (3) which the digital camera of the application example (2) performs.

Hereinafter, a digest image display apparatus according to an embodiment of the present invention will be described with reference to the drawings. In the present embodiment, the digest image display device is described as a digital camera.
(Embodiment 1)
FIG. 1 shows the configuration of the digital camera according to the first embodiment.
The digital camera 1 according to the first embodiment includes an operation interface 11, a voice recognition ROM 12, a video / audio input unit 13, an encoder 14, a storage unit 15, an impact detection unit 16, an impact information storage unit 17, A decoder 18, a display unit 19, a speaker 20, and a CPU 21 are provided.

  In the first embodiment, golf practice will be described as motion and exercise. Golf is a competition using a ball. In golf, a golf club is used as an auxiliary tool, and the ball is impacted by the golf club to cause the ball to fly.

  In golf practice, accompanying a user's action as a subject, an impact sound when an impact is applied to the ball with a golf club is generated as an accompanying sound accompanying the action.

  In golf practice, the user performs a similar swing motion a plurality of times, and an impact sound is generated each time.

  The digital camera 1 according to the first embodiment detects this impact point at the timing when the impact sound is generated, and generates a digest video (image) based on the impact information of the detected impact point. This digest moving image is a moving image of a preset time before and after the impact point.

  And the digital camera 1 can analyze the result of the golf practice as a user's operation | movement and exercise | movement by aligning each digest moving image based on impact information.

  The digital camera 1 is a camera capable of high-speed continuous shooting, and is attached to a tripod 2 as shown in FIG. 2, and within a field of view, a user 3 as a golf practitioner, a golf club 4, and a ball 5 And it is installed to fit. And the digital camera 1 image | photographs the mode of the golf practice of the user 3. FIG.

  As shown in FIGS. 3A and 3B, the digital camera 1 includes a power button 31 and a shutter button 32 on the top surface, and a lens 33, a microphone 34, an LED lamp 35, and a flash 36 on the front surface. With.

  Also, as shown in FIG. 3C, the digital camera 1 includes a moving image shooting button 37, a still image shooting button 38, a playback button 39, a liquid crystal monitor 40, a menu button 41, and a control unit 42 on the rear surface. Prepare.

  A power button 31 shown in FIG. 3A is a button for turning on / off the power of the digital camera 1. The digital camera 1 is turned on and off each time the power button 31 is pressed.

  The shutter button 32 is a button for instructing photographing. The digital camera 1 starts shooting when the shutter button 32 is pressed. In the case of still image shooting, the digital camera 1 performs still image shooting each time the shutter button 32 is pressed while the power is on. In the case of moving image shooting, the digital camera 1 repeatedly starts moving image shooting and stops moving image shooting each time the shutter button 32 is pressed while the power is on.

  The lenses 33 shown in FIGS. 3A and 3B are for forming images of the user 3, the golf club 4, and the ball 5 on a built-in image sensor (not shown). The digital camera 1 captures the user 3 and the image sensor generates video data Image1.

  The microphone 34 shown in FIG. 3 (b) generates sound data Sound1 by acquiring a hitting sound emitted when the golf club 4 gives an impact to the ball 5 and a sound when the user 3 speaks.

  The microphone 34 can acquire any one of sound volume (unit: sone), sound pressure (unit: μpa), and sound pressure level (unit: dB) as data indicating the volume of the hitting sound. It is.

  The LED lamp 35 is lit to indicate that the user 3 can input voice when the voice of the user 3 is input. The LED lamp 35 is lit by supplying an LED lighting control signal from the CPU 21 for a preset time after a preset time has elapsed since the impact point was detected. The flash 36 is for illuminating the user 3 and the like.

  The moving image shooting button 37 shown in FIG. 3C is a button for selecting moving image shooting. When the moving image shooting button 37 is pressed, the digital camera 1 selects moving image shooting.

  The still image shooting button 38 is a button for selecting still image shooting. In the case of still image shooting, the digital camera 1 selects still image shooting when the still image shooting button 38 is pressed.

  The playback button 39 is a button for instructing playback of moving images and still images obtained by shooting.

  The liquid crystal monitor 40 displays a still image, a continuous moving image, a digest moving image, and a menu. This menu is for setting functions of the digital camera 1, and the menu button 41 is a button for displaying this menu.

  The control unit 42 is an operation unit for selecting a still image, a continuous moving image, and a digest moving image displayed on the liquid crystal monitor 40, and selecting and setting functions of the digital camera 1, and includes an up key 42U and a down key 42D. A left key 42L, a right key 42R, and a set key 42S.

The up key 42U, the down key 42D, the left key 42L, and the right key 42R are buttons for moving the image to be selected and the menu item to be selected vertically and horizontally, respectively.
The set key 42S is a key for confirming an item selected in the menu.

  When the moving image shooting button 37 is pressed and the menu button 41 is pressed, the digital camera 1 causes the liquid crystal monitor 40 to display a moving image shooting menu as shown in FIG.

  The moving image shooting menu is a menu for selecting a continuous moving image shooting mode or a digest moving image shooting mode. The continuous moving image shooting mode is a mode in which moving image shooting is performed to generate a continuous moving image.

  The digest moving image shooting mode is a mode for obtaining predetermined information so that a plurality of digest moving images can be reproduced based on the generated continuous moving images while performing moving image shooting to generate continuous moving images.

  The continuous moving image shooting mode or the digest moving image shooting mode is selected by operating the up key 42U or the down key 42D in the moving image shooting menu.

  When the playback button 39 is pressed and the menu button 41 is pressed, the digital camera 1 causes the liquid crystal monitor 40 to display a playback menu as shown in FIG.

  The playback menu is a menu for selecting one of a still image playback mode, a continuous video playback mode, and a digest video playback mode. The still image reproduction mode, continuous moving image reproduction mode, and digest moving image reproduction mode are modes for reproducing still images, continuous moving images, and digest moving images that are obtained in still image shooting, continuous moving image shooting mode, and digest moving image shooting mode, respectively.

  The still image playback mode, continuous video playback mode, and digest video playback mode are selected by operating the up key 42U and the down key 42D in the playback menu.

  When the digest video playback mode is selected, when the right key 42R is pressed, the digital camera 1 causes the liquid crystal monitor 40 to display a rearrangement menu as shown in FIG.

  The rearrangement menu is a menu for selecting the rearrangement order of a plurality of digest videos obtained as will be described later in detail. The digital camera 1 of the first embodiment can be rearranged in the order of time, sound volume, swing speed, and flying ball direction. In the rearrangement menu, the time indicating these rearrangements, The loudness, swing speed, and flying ball direction are displayed on the liquid crystal monitor 40.

  These rearrangements are selected by operating the up key 42U and the down key 42D in the rearrangement menu.

  Note that the digital camera 1 sets the time order as the initial setting (default) in the rearrangement shown in FIG.

  In the rearrangement menu, when the up key 42U and the down key 42D are pressed, any one of time, sound volume, swing speed, and flying direction is selected and the set key 42S is pressed. The camera 1 sets the rearrangement in the selected order.

  Returning to FIG. 1, the operation interface 11 acquires operation information when various buttons and keys are operated, and supplies the acquired operation information to the CPU 21.

  A voice recognition ROM (Read Only Memory) 12 is a memory for storing voice recognition data.

  The video / audio input unit 13 receives the video data Image1 generated by the image sensor and the audio data Sound1 generated by the microphone 34, and acquires the video and impact sound of the user 3. The video / audio input unit 13 inputs all video data Image1 and audio data Sound1 from the start of shooting to the end of shooting when performing continuous moving image shooting and digest moving image shooting.

  The encoder 14 compresses and encodes the video data Image1 and the audio data Sound1 input by the video / audio input unit 13, and generates compressed and encoded video data Image11 and audio data Sound11, respectively.

  The storage unit 15 is configured by an HDD (Hard Disk Drive), a nonvolatile memory, or the like, and stores various data. The storage unit 15 stores, as data, video data Image11, audio data Sound11, and menu display data shown in FIGS. 4A to 4C, which are compressed and encoded by the encoder 14. Moreover, the memory | storage part 15 memorize | stores the data of the program which CPU21 performs as data.

  The impact detection unit 16 detects each impact point when the golf club 4 gives an impact to the ball 5 based on the impact sound (audio data Sound1 or Sound11) acquired by the video / audio input unit 13, and this impact is detected. It acquires point impact information. This impact point is a timing when an impact sound is generated, and the impact information is comparison information for comparing the results of golf practice of the user 3.

  As shown in FIG. 5, the impact detection unit 16 includes a low frequency removal filter 16a, a memory 16b, a data output unit 16c, a time measurement unit 16d, a separability filter 16e, a swing speed acquisition unit 16f, A sphere direction acquisition unit 16g and a voice recognition unit 16h are provided.

  The impact detection unit 16 reads the audio data Sound11 from the storage unit 15 when the digest video shooting mode is selected.

  The low frequency removal filter 16a is a filter for removing ambient noise from the read sound data Sound11. As shown in FIG. 6A, a frequency component equal to or lower than the cutoff frequency fc is removed as ambient noise. To do.

  As a result, the impact detection unit 16 acquires the loudness (data) Im_s1 as shown in FIG. 6B output from the low frequency removal filter 16a.

  The memory 16b stores a threshold value S_th that is set in advance with respect to the loudness Im_s1 in order to determine the impact sound.

  The data output device 16c controls the output of the loudness level Im_s1 that has passed through the low frequency removal filter 16a. The data output unit 16c acquires the threshold value S_th from the memory 16b, and compares the loudness level Im_s1 that has passed through the low frequency removal filter 16a with the threshold value S_th.

  Then, as a result of the comparison, the data output unit 16c outputs this data Im_s when the sound level Im_s1 is equal to or greater than the threshold S_th, and the impact detection unit 16 determines that the data output unit 16c determines the sound level Im_s1. When output, this timing is determined as the impact point.

  The time measuring unit 16d measures time. The time measuring unit 16d acquires time information Im_t of the impact point.

  The separability filter 16e is a filter that separates the images of the golf club 4 and the ball 5 from the video data Image11. The separability filter 16e is a filter that separates a specific image from the video data Image11 by measuring how close the gray value distribution in a narrow range is to a double ring shape.

  The separability filter 16e has a feature that, since the output value does not depend on brightness, stable extraction is possible even for an unclear feature point with a small difference in brightness.

  The swing speed acquisition unit 16f acquires the swing speed Im_v during the swing operation of the golf club 4 separated by the separability filter 16e. For example, when the images 4-1, 4-2 and 4-3 of the golf club 4 as shown in FIG. 7 are obtained, the swing speed acquisition unit 16f determines the distance of the heads of the images 4-1 to 4-3. And the swing speed Im_v of the golf club 4 is acquired based on the shooting interval.

  The swing speed acquisition unit 16f acquires the video data Image11 near the impact point based on the time information Im_t acquired by the time measurement unit 16d, and the impact point based on the acquired video data Image11 near the impact point. Swing speed Im_v is acquired every time.

  The flying ball direction acquisition unit 16g acquires the flying ball direction Im_c indicating the flying direction of the ball 5 from the image of the ball 5 separated by the separability filter 16e. The flying ball direction acquisition unit 16g classifies the flying ball direction Im_c into d1 to d8.

  For example, when the images 5-1 and 5-2 of the ball 5 as shown in FIG. 8 are obtained, the flying ball direction acquisition unit 16g classifies the flying ball direction Im_c of the ball 5 into the closest flying ball direction d2. To do.

  The flying ball direction acquisition unit 16g acquires the video data Image11 in the vicinity of the impact point based on the time information Im_t acquired by the time measurement unit 16d, and each of the impacts based on the acquired video data Image11 in the vicinity of the impact point. Get the flying ball direction Im_c for each point.

  The voice recognition unit 16h outputs voice recognition data Im_s2 as a result of recognizing and recognizing the voice spoken by the user 3. The voice recognition unit 16h compares the voice data Sound11 read from the storage unit 15 with the voice recognition data stored in the voice recognition ROM 12, and recognizes the voice uttered by the user 3.

  The impact detection unit 16 classifies the sound volume Im_s1, time information Im_t, swing speed Im_v, and flying ball direction Im_c for each impact point and stores them in the impact information storage unit 17 as impact information.

  The impact information storage unit 17 stores the impact information obtained as described above. The impact information storage unit 17 stores the supplied impact information for each impact point as shown in FIG.

  Note that the rearrangement designation field shown in FIG. 9 is a field for designating impact information used for rearrangement. If the impact information is not designated, the data designating the impact information used for the rearrangement is stored in the rearrangement designation field of the initial time information Im_t, as indicated by a circle in the figure.

  The decoder 18 is for decompressing and decoding (decoding) the supplied video data Image11, audio data Sound11, and menu display data.

  When the still image playback mode is selected, or when the continuous movie playback mode is selected, the decoder 18 receives still image video data Image11, continuous movie video data Image11, and audio data Sound11 from the storage unit 15, respectively. Supplied.

  When the digest video playback mode is selected, the decoder 18 stores predetermined video from the video data Image11 and audio data Sound11 of the continuous video based on the impact information stored in the impact information storage unit 17 from the storage unit 15. Video data Image11 and audio data Sound11 of a plurality of digest videos selected as the period or the audio period are supplied.

  Further, when the menu button 41 is pressed and each key of the control unit 42 is pressed, the video data Image11 of the menu as shown in FIGS. 4A to 4C is supplied.

  The decoder 18 decompresses and decodes the video data Image11 and audio data Sound11 supplied from the storage unit 15 to generate video data Image1 and audio data Sound1, and the video data Image1 and audio data Sound1 are respectively displayed on the display unit 19. To the speaker 20.

  The display unit 19 includes the liquid crystal monitor 40 shown in FIG. 3C. Under the control of the CPU 21, the display unit 19 is based on the video data Image1 supplied from the decoder 18, and a still image, a continuous video, and a plurality of digests. The moving image and menu are displayed on the liquid crystal monitor 40.

  The speaker 20 emits sound based on the sound data Sound 1 supplied from the decoder 18 under the control of the CPU 21.

  A CPU (Central Processing Unit) 21 controls the entire digital camera 1 based on operation information supplied from the operation interface 11.

  When the information indicating that various buttons and keys are pressed is supplied from the operation interface 11, the CPU 21 controls each unit based on the supplied operation information.

  Specifically, the CPU 21 is based on the operation information supplied from the operation interface 11 when impact information used for rearrangement is selected in the rearrangement menu shown in FIG. This impact information is discriminated.

  And CPU21 stores the data which designates rearrangement in the column of the identified impact information among the rearrangement designation | designated columns shown in FIG.

  When the operation information indicating that the shutter button 32 is pressed is supplied from the operation interface 11, the CPU 21 controls the video / audio input unit 13 to input the video data Image 1 and the audio data Sound 1.

  In the case of moving image shooting, every time operation information indicating that the shutter button 32 is pressed is supplied from the operation interface 11, the CPU 21 inputs and stops the input of the video data Image1 and the audio data Sound1. The voice input unit 13 is controlled.

  In this case, the CPU 21 generates a digest movie including the movie before the impact point not only when the continuous movie shooting mode is selected but also when the digest movie shooting mode is selected. Therefore, the CPU 21 controls the video / audio input unit 13 so as to input all the video data Image1 and audio data Sound1.

  Then, the CPU 21 controls the encoder 14 to compress and encode the video data Image1 and the audio data Sound1 input by the video / audio input unit 13 to generate the video data Image11 and the audio data Sound11, and the generated video data Image11. The voice data Sound11 is stored in the storage unit 15.

  When the operation information indicating that the digest moving image shooting mode is selected is supplied from the operation interface 11, the CPU 21 controls the impact detection unit 16 to detect the impact point.

  When the impact detection unit 16 detects each impact point, the CPU 21 stores, for each impact point, a digest video for a preset time before and after the impact point so as to include an image at the impact point. It generates based on the video data Image11 and audio data Sound11 to be stored. The CPU 21 stores, in the storage unit 15, video data Image11 and audio data Sound11 as a plurality of digest videos obtained by generating each impact point.

  When recognizing the voice uttered by the user 3, the CPU 21 supplies an LED lighting control signal to the LED lamp 35 to turn on the LED lamp 35.

  Then, the CPU 21 stops supplying the LED lighting control signal and turns off the LED lamp 35 after a preset lighting time has elapsed since the LED lighting control signal was supplied.

  The CPU 21 controls the video / audio input unit 13 to input the audio data Sound1 generated by the microphone 34 while supplying the LED lighting control signal. The CPU 21 controls the impact detection unit 16 so as to recognize the voice uttered by the user 3.

  When the operation information indicating that the still image reproduction mode is selected and the reproduction button 39 is pressed is supplied from the operation interface 11, the CPU 21 reads out the still image video data Image 11 from the storage unit 15 and supplies it to the decoder 18. To do.

  When the operation information indicating that the continuous video playback mode is selected and the playback button 39 is pressed is supplied from the operation interface 11, the CPU 21 reads out video data Image 11 and audio data Sound 11 of the continuous video from the storage unit 15. This is supplied to the decoder 18.

  When the operation information indicating that the digest video playback mode is selected and the playback button 39 is pressed is supplied from the operation interface 11, the CPU 21 sequentially plays back the digest video corresponding to each impact point.

  Note that the CPU 21 reads time information Imt_t of each impact point from the impact information storage unit 17 in order to generate and play back the digest video. The CPU 21 reads out the video data Image11 and audio data Sound11 of the preset time before and after the impact point from the storage unit 15 so as to correspond to each read time information Imt_t. The video data Image11 and the audio data Sound11 are data for the digest video, and the CPU 21 thus generates a digest video corresponding to each impact point.

  The CPU 21 rearranges the generated digest videos. In order to perform the rearrangement, the CPU 21 refers to the impact information storage unit 17 and determines the impact information used for the rearrangement based on the data stored in the rearrangement designation column shown in FIG. The CPU 21 aligns the video data Image11 and the audio data Sound11 read from the storage unit 15 based on the determined impact information.

  The CPU 21 supplies the arranged video data Image11 (a plurality of arranged digest moving images Image11) and audio data Sound11 to the decoder 18. The CPU 21 arranges the plurality of digest images generated in this way and displays them on the liquid crystal monitor 40.

Next, the operation of the digital camera 1 according to the first embodiment will be described.
The digital camera 1 is turned on when the power button 31 is pressed.

  When the playback button 39 is pressed and the menu button 41 is pressed, the digital camera 1 displays the playback menu shown in FIG. 4B on the liquid crystal monitor 40, and when the digest video playback mode is selected, FIG. The rearrangement menu shown in (c) is displayed on the liquid crystal monitor 40.

  When the sound information, the swing speed, and the flying direction are selected in the rearrangement menu and operation information indicating that the right key 42R is pressed is supplied from the operation interface 11, the CPU 21 makes a plurality of operations. Impact information used for rearranging digest images is determined.

  When the CPU 21 determines the impact information, the CPU 21 stores data specifying the rearrangement in the determined impact information column in the rearrangement specification column shown in FIG.

  Further, the CPU 21 is supplied with operation information indicating that the continuous moving image shooting mode or the digest moving image shooting mode is selected from the operation interface 11 in the moving image shooting menu shown in FIG. Then, the program data of the photographing process is read from the storage unit 15, and this process is executed according to the flowchart shown in FIG.

That is, when the operation information indicating that the first shutter button 32 has been pressed is supplied, the CPU 21 starts moving image shooting (step S11).
Then, the CPU 21 determines whether or not to continue moving image shooting based on the operation information of the shutter button 32 supplied from the operation interface 11 (step S12).

  When the operation information indicating that the shutter button 32 is pressed again is not supplied, the CPU 21 determines that the moving image shooting is continued (step S12; Yes). In this case, the CPU 21 controls the video / audio input unit 13 to input the video data Image1 and the audio data Sound1, and controls the encoder 14 to generate the video data Image11 and the audio data Sound11 by compression and encoding. (Step S13).

  The CPU 21 stores the video data Image11 and the audio data Sound11 generated by the encoder 14 in the storage unit 15 (step S14), and determines again whether or not to continue moving image shooting (step S12).

  When operation information indicating that the shutter button 32 has been pressed again is supplied, the CPU 21 determines that the end of moving image shooting has been instructed (step S12; No). In this case, the CPU 21 controls the video / audio input unit 13 to stop the input of the video data Image1 and the audio data Sound1, and detects the impact point based on the operation information supplied from the operation interface 11. It is determined whether or not (step S15).

  When the digest movie shooting mode is not selected in the movie shooting menu, the operation interface 11 supplies operation information to that effect to the CPU 21, and the CPU 21 determines that an impact point is not detected (step S15; No). . In this case, the CPU 21 ends this photographing process.

  If the digest movie shooting mode is selected in the movie shooting menu, the operation interface 11 supplies operation information to that effect to the CPU 21, and the CPU 21 determines that an impact point is detected (step S15; Yes). And CPU21 controls the impact detection part 16 so that an impact point may be detected.

  The impact detection unit 16 reads out the video data Image11 and the audio data Sound11 from the storage unit 15, detects the impact point as described above, the sound volume Im_s1, the time information Im_t, the swing speed Im_v, and the flying ball direction Im_c. Are stored in the impact information storage unit 17 as impact information (comparison information) (step S16). Then, the CPU 21 ends this photographing process.

  When operation information indicating that the shutter button 32 has been pressed again is supplied, the CPU 21 executes the imaging process again.

  Next, in the playback menu shown in FIG. 4B, when the operation information indicating that the digest video playback mode is selected and the playback button 39 is pressed is supplied from the operation interface 11, the CPU 21 stores the storage unit 15. Then, the program data of the reproduction process (1) is read out, and this process is executed according to the flowchart shown in FIG.

  That is, when the operation information indicating that the digest video playback mode is selected and the playback button 39 is pressed is supplied from the operation interface 11, the CPU 21 stores the video data Image11 stored in the storage unit 15 in the digest video shooting mode. Based on the impact information stored in the sound data Sound11 and the impact information storage unit 17, a plurality of digest videos are generated as described above (step S21).

  Then, the CPU 21 refers to the impact information storage unit 17 and determines whether or not the rearrangement is in order of loudness based on the data stored in the rearrangement designation field in the rearrangement menu (step S22).

  When it is determined that rearrangement is in order of loudness (step S22; Yes). The CPU 21 refers to the sound level Im_s1 of each impact point, rearranges the digest video corresponding to each impact point in the order of the sound level Im_s1, and decodes the video data Image11 and audio data Sound11 arranged for each digest video. 18 (step S23).

  When it is determined that the rearrangement is not in order of sound volume (step S22; No), the CPU 21 determines whether the rearrangement is in the order of swing speed (step S24).

  When the rearrangement is determined to be in the order of the swing speed (step S24; Yes), the CPU 21 refers to the swing speed Im_v of each impact point, rearranges the digest video of each impact point in the order of the swing speed Im_v, and arranges for each digest video. The video data Image11 and the audio data Sound11 are supplied to the decoder 18 (step S25).

  When it is determined that the rearrangement is not in the swing speed order (step S24; No), the CPU 21 determines whether the rearrangement is in the flying ball direction order (step S26).

  When the rearrangement is determined to be in order of the flying ball direction (step S26; Yes), the CPU 21 refers to the flying ball direction Im_c of each impact point, rearranges the digest video of each impact point in order of the flying ball direction Im_c, and digest video The video data Image11 and the audio data Sound11 arranged for each are supplied to the decoder 18 (step S27).

  When it is determined that the rearrangement is not in the flying ball direction order (step S26; No), the CPU 21 determines that the rearrangement is in the default time order. In this case, the CPU 21 refers to the time information Im_t of each impact point, rearranges the digest video of each impact point in order of the time information Im_t, and supplies the video data Image11 and audio data Sound11 arranged for each digest video to the decoder 18. (Step S28).

  Note that the video data Image11 and the audio data Sound11 supplied to the decoder 18 are sequentially manifested and output in time series from the display unit 19 and the speaker 20.

  Then, when the reproduction of all the digest videos corresponding to the impact points is completed, the CPU 21 ends the reproduction process (1).

Next, the operation of the digital camera 1 will be described based on a specific application example.
It is assumed that the user 3 hits four balls 5 during shooting in the digest movie shooting mode. Then, the CPU 21 executes a photographing process, and stores the video data Image11 and the audio data Sound11 generated by the encoder 14 in the storage unit 15.

  Here, as shown in FIG. 12A, it is assumed that impact sounds are generated at four timings of A, B, C, and D in order of time. That is, it is assumed that an impact sound is generated at the moment of hitting the ball 5 every time the ball 5 is hit (every swing is performed).

  The impact detection unit 16 detects each impact point (A, B, C, D) as the generation timing of the impact sound in accordance with the end instruction of the digest movie shooting, and the above-described impact corresponding to each impact point. Information is acquired and stored in the impact information storage unit 17.

  Note that the numerical values shown on the digest video corresponding to each impact point in FIGS. 12A and 12B indicate the order of sound volume, “1” being the largest sound volume, and “4”. "" Indicates that the volume of the sound is the smallest.

  Further, if the user 3 does not specify the digest video rearrangement in the rearrangement menu, the data specifying the rearrangement is the initial time information Im_t in the rearrangement designation column as shown in FIG. It is stored in the column and the sorting is in time order.

  When the digest video playback mode is selected and the playback button 39 is pressed, the CPU 21 refers to the impact information storage unit 17 and stores the video data Image11 and audio data stored in the storage unit 15 in the digest video shooting mode. A plurality of digest videos (for each swing, that is, each swing, that is, a scene in which the swing is performed four times, that is, a scene in which the ball 5 is hit four times) and the impact information stored in the impact information storage unit 17 are described above. A digest video separated for each scene in which the ball 5 is hit. Further, with reference to the impact information storage unit 17, it is determined that the impact information used for the rearrangement is time information Im_t.

  Then, as shown in FIG. 12A, the display unit 19 arranges the digest moving images in the order of the impact points A, B, C, and D under the control of the CPU 21 (the process of step S28). indicate.

  That is, the respective digest videos corresponding to the impact points A, B, C, and D are displayed on the liquid crystal monitor 40, the digest video corresponding to the impact point A, the digest video corresponding to the impact point B, and the digest video corresponding to the impact point C. Then, the moving image is reproduced and displayed in the order of the digest moving image corresponding to the impact point D.

  On the other hand, when the user 3 selects the digest video playback mode in the playback menu shown in FIG. 4B and selects the sound volume in the rearrangement menu shown in FIG. Of the rearrangement designation column of the impact information storage unit 17, data for designating rearrangement is stored in the column of sound volume Im_s1.

  In such a case, when the digest video playback mode is selected and the playback button 39 is pressed, the CPU 21 refers to the impact information storage unit 17 and the impact information used for the rearrangement is the sound level Im_s1. Determine that there is.

  Then, as shown in FIG. 12B, the display unit 19 arranges the digest videos in the order of the impact points B, D, C, and A according to the control of the CPU 21 (the process of step S23). indicate.

  That is, the respective digest videos corresponding to the impact points A, B, C, and D are displayed on the liquid crystal monitor 40, the digest video corresponding to the impact point B, the digest video corresponding to the impact point D, and the digest video corresponding to the impact point C. Then, the moving image is reproduced and displayed in the order of the digest moving image corresponding to the impact point A.

  As described above, according to the first embodiment, the impact detection unit 16 detects each impact point and stores the impact information in the impact information storage unit 17. When the rearrangement is designated, the CPU 21 rearranges and arranges the plurality of generated digest videos based on the impact information stored in the impact information storage unit 17 and displays them on the liquid crystal monitor 40.

  Therefore, since only the part of the swing can be reproduced in the desired order during practice, the user 3 can be made to easily confirm the quality of the golf swing, and the user 3 can easily achieve the result of the golf practice. Moreover, it can be analyzed in detail.

(Embodiment 2)
The digital camera according to the second embodiment compares the user's form with the expert's form, scores the user's form, and displays the blur amount.

  As illustrated in FIG. 13, the digital camera 1 according to the second embodiment includes a reference blur information storage unit 22 and a scoring unit 23 in addition to the configuration of the first embodiment illustrated in FIG. 1. In the second embodiment, the same reference numerals are used for the same configurations as those in the first embodiment, and detailed descriptions of the configurations and operations are omitted.

  The reference blur information storage unit 22 is composed of a ROM or the like, and stores form reference data for scoring the form of the user 3.

  As such reference data, the reference blur information storage unit 22 stores, for example, the total blur amount and the local blur amount of the expert 6 who is swinging as shown in FIG. The total blur amount and the local blur amount of the expert 6 indicate the target blur amount that is the target of the user 3.

  In the second embodiment, the amount of blur is the sum of the dispersion values of pixel values obtained by associating the timing of each swing with each pixel in an image obtained by shooting a plurality of swings.

  As shown in FIG. 14 (a), the total amount of blur is defined as one frame image that is a predetermined time before or after a certain time, and all pixels are covered between the frame images as described above in each swing. Is the amount of blurring when compared.

  Further, the amount of local blur is, for example, as shown in FIG. 14A, a frame image that is a predetermined time before or after a certain time as one frame image, and between the frame images as described above in each swing, for example, As shown in FIG. 14 (b), this is a blur amount when each frame image is divided into blocks blk1 to blk8 and each pixel is compared for each block blk1 to blk8.

  The scoring unit 23 generates a composite image showing the blur of the form of the user 3 and scores the form of the user 3 based on the blur of the form of the advanced user 6 and the blur of the form of the user 3 In response to the notification from the CPU 21, processing is performed.

  The scoring unit 23 refers to the time information Im_t in the impact information stored in the impact information storage unit 17 and generates a plurality of digest videos based on the video data Image11 stored in the storage unit 15.

  The scoring unit 23 generates a synthesized image by synthesizing each digest movie based on the impact point in each digest movie.

  FIG. 15 is a diagram illustrating the generation of the composite image. The impact points in each digest video are defined as first to N (N: natural number) impact points, respectively. The images 1-1 to 1-4, 2-1 to 2-4, and N-1 to N-4 of the first to N impact points are digest videos corresponding to the first to N impact points, respectively. Each frame image in is shown.

  Each of the frame images 1-1 to N-1, 1-2 to N-2, 1-3 to N-3, 1-4 to N-4 is based on the first to N impact points, respectively. A frame image at the same timing before or after a predetermined time is shown.

  For example, if the frame image 1-1 is an image 0.1 seconds before the first impact point, the frame images 2-1. An image one second before is shown.

  The scoring unit 23 combines the frame images 1-1 to N-1, 1-2 to N-2, 1-3 to N-3, 1-4 to N-4, respectively. That is, the scoring unit 23 synthesizes each digest video for each frame to generate a composite image of the digest video. This composite image shows variations in the form speed of the user 3 with respect to the impact point as blurring in the image plane.

  The scoring unit 23 supplies the generated composite image video data Image11 to the decoder 18.

  Next, the scoring unit 23 scores the form of the user 3 in each composite image.

  The scoring unit 23 uses a scoring method based on the total blur amount or a scoring method based on the local blur amount in order to score the form of the user 3.

  In the case of the scoring method based on the total blur amount, the scoring unit 23 calculates the total blur amount of the user 3 by comparing the digest video used for the composite image for each frame.

  The form of the advanced player 6 has a small amount of shake between each swing even if the swing is performed a plurality of times (form speed variation is small). In contrast, the amount of shake for beginners is large, and the amount of shake decreases as the result of golf practice increases.

  Based on the amount of shake, the user 3 can score the form. The scoring unit 23 refers to the total blur amount of the advanced user 6 stored in advance in the reference blur information storage unit 22, and obtains the difference δ1 between the calculated total blur amount of the user 3 and the total blur amount of the expert 6 To do. The scoring unit 23 compares the acquired difference δ1 with a preset blur amount threshold value.

  In order to mark the user 3 with respect to the form, for example, one of “excellent”, “good”, “good”, “impossible”, three blur amount threshold values of δ_th1, δ_th2, and δ_th3 (δ_th11 <δ_th2 <δ_th3) are set. The scoring unit 23 includes a memory (not shown), and stores the shake amount threshold values δ_th1, δ_th2, and δ_th3 in the memory in advance.

  When δ_th3 <δ1, the scoring unit 23 determines that the form of the user 3 is not possible. When δ_th2 <δ1 ≦ δ_th3, the scoring unit 23 determines that the form of the user 3 is acceptable. When δ_th1 <δ1 ≦ δ_th2, the scoring unit 23 determines that the form of the user 3 is good. In the case of δ1 ≦ δ_th1, the scoring unit 23 determines that the form of the user 3 is excellent.

  In the case of the scoring method based on the local blur amount, the scoring unit 23 obtains the local blur amount of the user 3 for each of the blocks blk1 to blk8 of the composite image. The scoring unit 23 refers to the local blur amount for each block blk1 to blk8 of the advanced user 6 stored in the reference blur information storage unit 22, and determines the local blur amount of the user 3 and the local blur amount of the expert 6 The difference δ2 is obtained. The scoring unit 23 compares the obtained difference δ2 with each blur amount threshold value δ_th1, δ_th2, δ_th3.

  In the case of the scoring method based on the local blur amount, the scoring unit 23 compares the difference δ2 with the respective blur amount threshold values δ_th1, δ_th2, and δ_th3 for each of the blocks blk1 to blk8.

  Since the scoring unit 23 indicates the evaluation results for each of the blocks blk1 to blk8, the composite image is subjected to image processing by coloring or adding a pattern to each of the blocks blk1 to blk8, and further, the difference δ2 and each blur The coloring and pattern are changed based on the comparison results with the quantity threshold values δ_th1, δ_th2, and δ_th3.

  When the scoring unit 23 scores the form of the user 3 according to the scoring method based on the total blur amount or the scoring method based on the local blur amount, the scoring unit 23 supplies the scoring result data to the decoder 18.

  In order to enable selection of a scoring method based on the total blur amount and a scoring method based on the local blur amount, the storage unit 15 selects a selection menu as shown in FIG. 16A and a scoring method selection as shown in FIG. Stores menu image data.

  The selection menu is a menu for selecting a rearrangement or scoring method, and the scoring method selection menu is a menu for selecting either a scoring method based on the total blur amount or a scoring method based on the local blur amount.

  In the case of the second embodiment, when the digest video playback mode is selected in the playback menu shown in FIG. 4B, the operation interface 11 supplies this operation information to the CPU 21, and the CPU 21 based on this operation information. The image data of the selection menu is supplied from the storage unit 15 to the decoder 18. In this way, the CPU 21 displays the selection menu on the liquid crystal monitor 40.

  In this selection menu, when the up key 42U and the down key 42D are operated to select a scoring method and the right key 42R is pressed, the operation interface 11 supplies this operation information to the CPU 21.

  When this operation information is supplied, the CPU 21 reads out the image data of the scoring method selection menu from the storage unit 15 and supplies it to the decoder 18. In this way, the CPU 21 causes the liquid crystal monitor 40 to display a scoring method selection menu as shown in FIG. In the second embodiment, when rearrangement is selected from the selection menu shown in FIG. 16A, it is possible to shift to the rearrangement menu shown in FIG.

  When the scoring method based on the total blur amount or the scoring method based on the local blur amount is selected, the operation interface 11 supplies operation information on selecting the scoring method to the CPU 21.

  The CPU 21 determines the selected scoring method based on the operation information supplied from the operation interface 11 and notifies the scoring unit 23 of the determined scoring method.

  Further, when the operation information indicating that the digest moving image reproduction mode is selected and the reproduction button 39 is pressed is supplied from the operation interface 11, the CPU 21 notifies the scoring unit 23 of this operation information.

  The storage unit 15 stores image data of the instruction frame 7 as shown in FIG. This instruction frame 7 is used for positioning for designating the position and orientation of the digital camera 1 so that the figure of the user 3 enters the instruction frame 7 during photographing.

  When moving image shooting is selected, the CPU 21 supplies the image data of the instruction frame 7 to the decoder 18 at the time of shooting, and causes the liquid crystal monitor 40 to display the instruction frame 7.

Next, the operation of the digital camera 1 according to the second embodiment will be described.
The digital camera 1 is turned on when the power button 31 is pressed.
When the operation information indicating that the digest video shooting mode has been selected is supplied from the operation interface 11, the CPU 21 supplies the image data in the instruction frame 7 shown in FIG. 17 to the decoder 18 and supplies the instruction frame 7 to the liquid crystal monitor 40. Is displayed.

  At this time, the user 3 positions the digital camera 1 so that the user 3 himself / herself fits in the instruction frame 7. When the digital camera 1 is positioned so that the user 3 himself / herself fits in the instruction frame 7 and operation information indicating that the shutter button 32 has been pressed is supplied from the operation interface 11, the CPU 21 In accordance with the flowchart shown in FIG. 10, the shooting process is executed in the same manner as in the first embodiment.

  After executing the shooting process, when the digest video playback mode is selected from the operation interface 11 and operation information indicating that the scoring method is selected is supplied, the CPU 21 sends the selected scoring method to the scoring unit 23. Notice.

  Further, when operation information indicating that the play button 39 has been pressed is supplied from the operation interface 11, the CPU 21 notifies the scoring unit 23 of this operation information. Upon receiving this notification, the scoring unit 23 reads the program data for the reproduction process (2) from the storage unit 15 and executes this process according to the flowchart shown in FIG.

  That is, when the operation information indicating that the play button 39 is pressed is supplied from the operation interface 11, the scoring unit 23 refers to the impact information stored in the impact information storage unit 17, and the digest is received from the storage unit 15. The video data Image11 captured in the video shooting mode is read to generate a plurality of digest videos, and as described above, the frames are combined between the digest videos to generate a composite video of the digest videos (steps) S31).

  The scoring unit 23 determines whether or not the scoring method based on the total blur amount is selected based on the notification from the CPU 21 (step S32).

  When it is determined that the scoring method based on the total blur amount is selected (step S32; Yes), the scoring unit 23 compares the digest videos used for the composite image, and calculates the total blur amount of the user 3 for each frame. Calculate (step S33).

  The scoring unit 23 refers to the total blur amount of the expert 6 stored in the reference blur information storage unit 22 for each frame, and the difference δ1 between the total blur amount of the user 3 and the total blur amount of the expert 6 And the calculated difference δ1 is compared with each total blur amount threshold value δ_th1, δ_th2, δ_th3, and the form of the user 3 is scored for each frame (step S34).

  The scoring unit 23 supplies the generated composite image video data Image11 to the decoder 18 (step S35).

The scoring unit 23 supplies scoring result data to the decoder 18 (step S36). That is, the scoring unit 23 displays the scoring result corresponding to the displayed composite frame image in association with the displayed composite frame image while displaying each composite frame image constituting the combined digest video.
Then, the scoring unit 23 displays all the combined frame images constituting the combined digest video and displays all the scoring results corresponding to the combined frame images, and then ends the reproduction process (2).

  On the other hand, when it is determined that the scoring method based on the local blur amount is selected based on the notification from the CPU 21 (step S32; No), the scoring unit 23 divides the form of the user 3 for each of the blocks blk1 to blk8. The amount of local blur is calculated for each frame (step S37).

  The scoring unit 23 refers to the local blur amount of each block blk1 to blk8 of the expert 6 stored in the reference blur information storage unit 22 for each frame, and determines the local blur amount of each block blk1 to blk8 of the user 3 A difference δ2 with respect to the local blur amount of the expert 6 is calculated, and the difference δ2 calculated for each of the blocks blk1 to blk8 is compared with each blur amount threshold value δ_th1, δ_th2, δ_th3. The scoring unit 23 scores the form of the user 3 for each frame based on the comparison result (step S38).

The scoring unit 23 performs image processing on the composite image based on the scoring result (step S39).
The scoring unit 23 supplies the video data Image11 of the composite image to the decoder 18 (step S35).

  The scoring unit 23 supplies scoring result data to the decoder 18 (step S36). That is, the scoring unit 23 displays each scoring result for each of the blocks blk1 to blk8 corresponding to the displayed composite frame image while displaying each composite frame image constituting the combined digest video. Each block is displayed in association with blk1 to blk8.

  Then, the scoring unit 23 displays all the combined frame images constituting the combined digest video and displays all the scoring results corresponding to the combined frame images, and then ends the reproduction process (2).

  Next, the operation of the digital camera 1 according to the second embodiment will be described based on a specific application example.

  It is assumed that the user 3 hits the ball 5, for example, four balls during shooting in the digest video shooting mode. Then, the CPU 21 executes a photographing process, and stores the video data Image11 and the audio data Sound11 generated by the encoder 14 in the storage unit 15.

  Here, as shown in FIG. 12A, it is assumed that impact sounds are generated at four timings of A, B, C, and D in order of time. That is, it is assumed that an impact sound is generated at the moment of hitting the ball 5 every time the ball 5 is hit (every swing is performed).

  The impact detection unit 16 detects each impact point (A, B, C, D) as the generation timing of the impact sound in accordance with the end instruction of the digest movie shooting, and the above-described impact corresponding to each impact point. Information is acquired and stored in the impact information storage unit 17.

  Here, it is assumed that the scoring method is selected in the selection menu as shown in FIG. When the digest video playback mode is selected by the user and the playback button 39 is pressed, the scoring unit 23 refers to the impact information storage unit 17 and the video stored in the storage unit 15 in the digest video shooting mode. Based on the data Image11, the sound data Sound11 (the scene where the swing was performed four times, that is, the scene where the ball 5 was hit four times) and the impact information stored in the impact information storage unit 17, a plurality of digest movies ( A digest movie separated for each swing, that is, for each scene in which the ball 5 is hit, is generated.

  The scoring unit 23 synthesizes the generated digest videos for each frame as described above with reference to each impact point (A, B, C, D).

  That is, the scoring unit 23, as shown in FIG. 15, each frame image 1-1 to 4-1, 1-2 to 4-2, 1-3 to 4-3 in the digest video corresponding to each impact point. 1-4 to 4-4 are respectively combined to generate a combined image for each frame as shown in FIGS. 19A to 19D (step S31).

  In addition, the numerical value attached | subjected to each upper left or upper right of each image | video of Fig.19 (a)-(d) each shows the frame number of a synthesized image. The scoring unit 23 generates such a composite image for each frame image of the digest video.

  When the scoring method based on the total blur amount is selected in the scoring method selection menu as shown in FIG. 16B (step S32; Yes), the scoring unit 23 generates the video data Image11 of the generated composite image. Is supplied to the decoder 18 (step S35), the display unit 19 displays the combined image shown in FIG.

  In addition, the scoring unit 23 calculates the total amount of blur as described above, supplies the scoring result of the result of scoring the form of the user 3 to the decoder 18 (steps S33, S34, S36), and the display unit 19 The scoring result is displayed on the liquid crystal monitor 40.

  That is, the scoring unit 23 displays the scoring result corresponding to the displayed composite frame image in association with the displayed composite frame image while displaying each composite frame image constituting the combined digest video.

  For example, in the composite image of frame number 1, it is assumed that the scoring unit 23 calculates δ_th1 <δ1 ≦ δ_th2 as a result of calculating the difference δ1 between the total blur amount of the user 3 and the total blur amount of the advanced user 6.

  In this case, the scoring unit 23 sets the scoring result as good, and the liquid crystal monitor 40 displays 1 / good (frame number / scoring result) on the composite image of frame number 1, as shown in FIG.

  In the composite image of frame number 2, the scoring unit 23 calculates the difference δ1, and as a result, δ_th2 <δ1 ≦ δ_th3. In this case, the scoring unit 23 accepts the scoring result, and the liquid crystal monitor 40 displays 2 / possible on the composite image of frame number 2 as shown in FIG.

  Also, in the composite image of frame number 3, it is assumed that δ1 ≦ δ1th1 is obtained as a result of the scoring unit 23 calculating the difference δ1. In this case, the scoring unit 23 sets the scoring result as excellent, and the liquid crystal monitor 40 displays 3 / excellent on the composite image of frame number 3 as shown in FIG.

  Further, in the composite image of frame number 4, it is assumed that δ_th3 <δ1 as a result of the scoring unit 23 calculating the difference δ1. In this case, the scoring unit 23 disables the scoring result, and the liquid crystal monitor 40 displays 4 / impossibility on the composite image of frame number 4 as shown in FIG.

  On the other hand, when the scoring method based on the local blur amount is selected in the scoring method selection menu as shown in FIG. 16B (step S32; No), the scoring unit 23 applies to each block blk1 to blk8. The amount of local blur is calculated for each frame, and the form of the user 3 is scored (processing in steps S37 and S38).

  As shown in FIG. 21, the scoring unit 23 is based on the comparison result between the difference δ2 between the local blur amount of the user 3 and the local blur amount of the advanced user 6 and the respective blur amount threshold values δ_th1, δ_th2, and δ_th3. A pattern is added to the block blk7 of the composite image of frame number 1, the block blk6 of the composite image of frame number 2, and the blocks blk5 and blk7 of the composite image of frame number 4 (processing in step S39).

  When the scoring unit 23 supplies the composite image data to the decoder 18 (step S35), the display unit 19 displays the composite image with a pattern on the liquid crystal monitor 40 as shown in FIG.

  Further, when the scoring unit 23 supplies the scoring result of the result of scoring the form of the user 3 to the decoder 18 (processing in step S36), the display unit 19 also displays the scoring result together with the liquid crystal as in FIG. Display on the monitor 40.

  Therefore, on the liquid crystal monitor 40, the form of the user 3, its blur, and the scoring result of the form of the user 3 are displayed. If the form of the user 3 has a defect, a pattern indicating the defect appears on the swing of the user 3. Displayed with it.

  As described above, according to the second embodiment, the total blur amount or local blur amount of the advanced user 6 and the total blur amount or local blur amount of the user 3 are compared, and the form of the user 3 is scored. I did it.

  Therefore, since the swing blur of the user 3 can be immediately observed, the fault of the swing can be easily analyzed. In addition, the form of the user 3 can be scored objectively based on numerical values.

In addition, when the scoring method based on the total blur amount is adopted, simple scoring is possible.
In addition, when the scoring method based on the amount of local blur is adopted, the user 3 can easily confirm the defective part by giving a color or a pattern to the composite image.

In carrying out the present invention, various forms are conceivable and the present invention is not limited to the above embodiment.
For example, in the first embodiment, as shown in FIGS. 12A and 12B, rearrangement display of each digest video is sequentially displayed in time series.

  However, as shown in FIG. 22 (a), the digest moving images corresponding to the impact points A, B, C, and D may be reproduced simultaneously. At this time, the reproduction display locations of the digest videos may be rearranged in the liquid crystal monitor 40 based on the impact information.

  Alternatively, a predetermined digest video may be repeatedly reproduced and displayed in a predetermined display area as a comparison target, and another plurality of digest videos may be sequentially reproduced and displayed in time series in the other display areas. At this time, the display of the other plurality of digest videos in other display areas may be sequentially reproduced and displayed in time series based on the impact information.

  For example, as shown in FIG. 22 (b), the digest video at impact point B is compared, and the digest video at impact point B and each digest video at impact points C, D, and A are compared. They may be rearranged in the liquid crystal monitor 40.

  In the first embodiment, the rearrangement is performed in any of the order of sound volume, time, swing speed, and flying ball direction. However, rearrangement is not limited to this.

  For example, the evaluation value for evaluating the result of the exercise of the user 3 may be self-scoring, and the user 3 may input the self-scoring with reference to the digest video, and the rearrangement may be performed in this self-scoring order.

  More specifically, in order to enable the digital camera 1 to perform such self-scoring, a digest movie option menu as shown in FIG. 23A and a self-scoring menu as shown in FIG. 40.

  The digest movie option menu shown in FIG. 23A is a menu for setting digest movie options, and has items of self-scoring and rearrangement.

  In the playback menu shown in FIG. 4B, the digital camera 1 selects the digest movie playback mode by operating the up key 42U and the down key 42D and presses the right key 42R, and displays the digest movie option menu. It is displayed on the liquid crystal monitor 40.

  In this digest movie option menu, when the up key 42U and the down key 42D are operated to select the self-scoring and the right key 42R is pressed, the digital camera 1 displays the self-scoring menu as shown in FIG. Is displayed on the liquid crystal monitor 40.

  The self-scoring menu is a menu for selecting valid / invalid of the self-scoring. Valid / invalid of the self-scoring is selected by selecting the valid / invalid by operating the up key 42U and the down key 42D in the self-scoring menu. The key is selected by pressing the set key 42S.

  The CPU 21 determines that the self-scoring is valid when operation information indicating that the self-scoring is valid is selected in the self-scoring menu shown in FIG.

  Examples of methods for inputting self-scoring data when self-scoring is enabled include a key input method, a gesture recognition method, and a voice input method. In the case of the key input method, the digital camera 1 includes this key.

  In the case of the method for recognizing a gesture, for example, the digital camera 1 registers the color of a glove to be used in advance, and when the user 3 draws a number with a gloved hand, the digital camera 1 changes the color position change pattern. Based on it, recognize the numbers you have drawn.

  In the case of the voice input method, the voice recognition ROM 12 uses “1”, “ni”, “san”, “yon”, “go” as voice recognition data for recognizing the voice uttered during self-scoring. ,..., Self-scoring data such as “Yu (excellent)”, “Ryo (good)”, “Ka (possible)”, “Fuka (impossible)” are stored.

  When the self-scoring is enabled in the self-scoring menu, the CPU 21 reads the program data of the voice data acquisition process from the storage unit 15 after the shooting process in the digest video shooting mode as described above is completed, and FIG. This process is executed according to the flowchart shown in FIG.

  The CPU 21 refers to the impact information storage unit 17, reads out the video data Image11 of the impact point from the storage unit 15 based on the impact information, and supplies it to the decoder 18 to display the video of the impact point (step S41). . Note that the video displayed at this time may be a digest video generated by the CPU 21 as described above.

  The CPU 21 supplies an LED lighting control signal to the LED lamp 35 after a few seconds have elapsed after displaying the frame image at the impact point (for example, the frame image corresponding to the timing of occurrence of the impact sound), and turns on the LED lamp 35 (step). S42).

  The CPU 21 inputs the audio data Sound1 from the utterance of the user 3 and controls the video / audio input unit 13 to accept the input of the self-scoring (step S43). After supplying the LED lighting control signal to the LED lamp 35, the CPU 21 stops supplying the LED lighting control signal after the preset time has elapsed and turns off the LED lamp 35.

  At this time, the user performs self-scoring by confirming the displayed video, and during the lighting of the LED lamp 35, for example, “Yu (excellent)”, “Ryo (good)”, “ka (possible)”, “ Speak like "Fuka (impossible)".

  The encoder 14 compresses and encodes the input audio data Sound1 to generate audio data Sound11, and the CPU 21 stores the audio data Sound11 compressed and encoded by the encoder 14 in the storage unit 15 (step S44).

  The CPU 21 refers to the impact information storage unit 17 and determines whether there is another impact point based on the impact information (step S45).

  If it is determined that there is another impact point (step S45; Yes), the CPU 21 executes steps S41 to S44.

  When it is determined that there is no other impact point (step S45; No), the CPU 21 ends the sound data acquisition process.

  When the voice data Sound11 based on the speech of the user 3 is stored in the storage unit 15, the CPU 21 controls the impact detection unit 16 so as to acquire self-scoring data from the acquired voice data. The impact detection unit 16 reads out the audio data Sound11 from the storage unit 15.

  The voice recognition unit 16h compares the voice data Sound11 read from the storage unit 15 by the impact detection unit 16 with the voice recognition data stored in the voice recognition ROM 12, recognizes the voice uttered by the user 3, and The recognition data Im_s2 is output as self-scoring data. Hereinafter, the voice recognition data Im_s2 is referred to as self-scoring data Im_s2.

  The impact detection unit 16 stores the self-scoring data Im_s2 output from the voice recognition unit 16h in the impact information storage unit 17 as impact information.

  As shown in FIG. 25, the impact information storage unit 17 stores the self-scoring data Im_s2 supplied from the impact detection unit 16 for each impact point.

  In this way, the digital camera 1 acquires self-scoring data by a voice input method.

  Next, in the digest movie option menu shown in FIG. 23A, when the up key 42U and the down key 42D are operated to select the rearrangement and the right key 42R is pressed, the digital camera 1 is displayed as shown in FIG. A rearrangement menu as shown in c) is displayed on the liquid crystal monitor 40.

  In this rearrangement menu, when the up key 42U and the down key 42D are operated, self-scoring is selected as impact information used for rearrangement, and operation information indicating that the set key 42S is pressed is supplied, the CPU 21 Data for specifying rearrangement is stored in the self-scoring data column in the rearrangement designation column of the impact information storage unit 17.

  When the operation information indicating that the digest video playback mode is selected and the playback button 39 is pressed is supplied from the operation interface 11, the CPU 21 reads the program data of the playback process (3) from the storage unit 15. This process is executed according to the flowchart shown in FIG.

  CPU21 performs the process similar to step S21-27 of the reproduction | regeneration process (1) shown in FIG. 11 (step S51-57).

  When the CPU 21 determines that the rearrangement is not in the flying ball direction order based on the operation information supplied from the operation interface 11 (step S56; No), the CPU 21 determines whether the rearrangement is in the self-scoring order (step S58). ).

  When it is determined that the rearrangement is in the self-scoring order (step S58; Yes), the CPU 21 refers to the self-scoring data Im_s2 of each impact point, rearranges the digest video of each impact point in the self-scoring data Im_s2, and the video data Image11 The audio data Sound11 is supplied to the decoder 18 (step S59).

  When it is determined that the rearrangement is not in the self-scoring order (step S58; No), the CPU 21 determines that the rearrangement is in the initial time order, rearranges the digest videos of the impact points in the order of the time information Im_t, and the video data. Image11 and audio data Sound11 are supplied to the decoder 18 (step S60). Then, the CPU 21 ends the reproduction process (3).

  In this way, by displaying the digest videos in alignment based on the result of the self-scoring of the user 3, a plurality of digest videos can be aligned as the user 3 thinks. Therefore, the user's own form can be analyzed as the user 3 wishes.

  In addition, self-scoring can be performed easily by recognizing speech of the user 3 and performing self-scoring.

  In the first embodiment, calculations such as the swing speed and the flying ball direction are performed after the photographing is completed. However, when these calculations do not pose a problem with respect to the load on the CPU, these calculations may be performed in parallel with photographing.

  In the first embodiment, the impact information is described as time information, sound volume, swing speed, and flying ball direction. However, the impact information is not limited to this, and may be the hitting speed of the ball 5, for example. In this case, the impact detection unit 16 detects the moving distance of the center of the ball 5 and acquires the hitting speed of the ball 5 based on the moving distance and the shooting interval.

  In Embodiment 1 described above, all digest videos corresponding to the detected impact points are displayed. However, regarding the display of the digest movie, it is not always necessary to reproduce the entire digest movie.

  For example, impact information may be evaluated and only those with high evaluation values may be displayed. For example, the swing speed may be evaluated as impact information, and only the fastest swing speed may be displayed.

  In the first and second embodiments, the golf swing has been described as an example of the accompanying motion that generates sound. However, such an exercise is not limited to a golf swing. For example, the exercise may be exercises such as tennis serve practice, baseball batting practice, volleyball serve practice, soccer shoot practice, etc., as exercise using a ball.

  Furthermore, such exercise is not limited to exercise using a ball, and may be, for example, practice of jumping in gymnastics, practice of starting short distance running, or the like.

  In the practice of jumping in gymnastics, a sound is generated when a hand is touched on a jumping platform, and in the case of a start practice of short distance running, a signal sound is generated when a start signal is given. As described above, a digest movie can be generated on the basis of the generated sound even in the practice of jumping in gymnastics and the start practice of short-distance running.

  In the first and second embodiments, the impact detection unit 16 detects the impact point based on the loudness. However, the impact detection unit 16 may detect the impact point based on the video, for example.

  When explaining golf practice as an example, at the impact point, an impact sound is emitted and the ball speed of the ball 5 also changes. By detecting this change timing from the video data Image11, the impact point can be detected.

  In the first and second embodiments, the digital camera 1 has been described as being disposed on the front side of the user 3. However, the arrangement position of the digital camera 1 is not limited to this, and may be arranged behind the user 3, for example.

  In this case, the instruction frame 7 has a shape suitable for shooting from the back of the user 3, and the blurring amount of the advanced user 6 when the reference blur information storage unit 22 is shot from behind the advanced user 6, etc. Are stored as reference data.

  In the second embodiment, the scoring result is displayed even when the total blur amount is large. However, when the total blur amount is very large and it is not necessary to display the scoring result, the scoring result display may be omitted.

  In the first and second embodiments, when the amount of local blur is large, the synthesized image is processed such as coloring or adding a pattern to the block. However, the image processing of the composite image is not limited to this, and may be, for example, processing such as blinking, enlarging, and changing the screen switching interval for a block having a large local blur amount.

  In the second embodiment, the blur amount is the sum of the dispersion of pixel values. However, the blur amount is not always based on such a calculation method. For example, a variance value of pixel values may be obtained after taking a difference between frame images. Alternatively, the edge images of the advanced user 6 and the user 3 may be generated, the coordinates may be set, and the blur amount may be calculated based on the variance value of the displacement of the edge image. Further, the blur amount may be calculated using a standard deviation instead of the variance value.

  In the second embodiment, a composite image obtained by combining digest videos is displayed. However, instead of the digest video, a composite image of each frame image that is a still image may be displayed side by side.

  In the said Embodiment 1, the impact detection part 16 and CPU21 were demonstrated as a different structure. Moreover, in the said Embodiment 2, the impact detection part 16, CPU21, and the scoring part 23 were demonstrated as a different structure. However, these may have the same configuration. These configurations and the like may be included in a computer separate from the digital camera 1, and the computer and the digital camera 1 may be connected.

  In the first and second embodiments, the subject is a golf practitioner and the operation is a golf practice. However, the subject and motion are not limited to this, and for example, the subject may be a car and the motion may be a machine test such as a collision test. In this case, since a collision sound is generated as an accompanying sound for each collision test, the digital camera 1 generates a digest video based on the collision sound. As described above, the first and second embodiments can be applied to a machine test such as a collision test.

  In the first and second embodiments, the digest moving image is described as a moving image of a preset time before and after the impact point including the impact point. However, the digest movie may include an impact point, and may be a movie of a preset time before or after the impact point.

  In the first and second embodiments, the digest video shooting mode and the digest video playback mode are provided, and impact information is generated from the continuous video in accordance with the execution of the digest video shooting mode, and the generated impact information in the digest video playback mode. The configuration for reproducing the digest video based on the above has been described.

  However, without providing the digest movie shooting mode, the digest movie playback mode may be configured to generate impact information based on the captured continuous movie and play the digest movie based on this.

  Further, it may be configured to execute up to the generation of a digest video in the digest video shooting mode and to play back the generated digest video in the digest video playback mode.

  In the first and second embodiments, the digest image display device is described as the digital camera 1. However, the digest image display device is not limited to a digital camera, and may be a video camera, for example.

  Further, if the display unit 19 is separated from the digital camera 1 with a large screen, and the start, stop, and end of shooting are performed by voice, the user 3 does not have to operate the digital camera 1. By voice, you can evaluate your form on a large screen.

  In the above-described embodiment, the program is described as being stored in advance in a memory or the like. However, a program for operating the digest image display device as all or a part of the device including the digest image display device, or executing the above-described processing, a flexible disk, a CD-ROM (Compact Disk Read-Only Memory), The program is stored and distributed in a computer-readable recording medium such as a DVD (Digital Versatile Disk) or MO (Magneto Optical disk), installed in another computer, and operated as the above-mentioned means. It may be executed.

  Furthermore, the program may be stored in a disk device or the like included in a server device on the Internet, and may be downloaded onto a computer by being superimposed on a carrier wave, for example.

  DESCRIPTION OF SYMBOLS 1 ... Digital camera, 12 ... Voice recognition ROM, 13 ... Video | audio / audio input part, 14 ... Encoder, 15 ... Memory | storage part, 16 ... Impact detection part, 17 ... Impact information storage unit, 18 ... decoder, 19 ... display unit, 21 ... CPU, 22 ... reference blur information storage unit, 23 ... scoring unit

Claims (8)

A video acquisition unit that captures a subject that performs the operation of generating an accompanying sound a plurality of times and acquires a video of the subject;
An accompanying sound acquisition unit for acquiring the accompanying sound;
A timing detection unit that detects each timing at which the accompanying sound is generated based on the video acquired by the video acquisition unit or the accompanying sound acquired by the accompanying sound acquisition unit;
A digest image generation unit that generates a digest image for each timing detected by the timing detection unit from the video acquired by the video acquisition unit;
A combined image generating unit that combines the digest images generated by the digest image generating unit at each timing with reference to the timings detected by the timing detecting unit, and generates a combined image showing blurring of the posture of the subject;
A blur amount acquisition unit that compares the digest images used to generate the composite image of the composite image generation unit and acquires a blur amount of the posture of the subject;
An evaluation unit that compares a target target blur amount with the blur amount of the subject acquired by the blur amount acquisition unit and evaluates the motion of the subject based on a difference between the target blur amount and the blur amount of the subject. When,
A digest image display unit for displaying a composite image generated by the composite image generation unit and an evaluation result of a result evaluated by the evaluation unit;
A digest image display device. The blur amount acquisition unit compares a plurality of digest images generated by the digest image generation unit, acquires a total blur amount of the posture of the subject,
The evaluation unit compares a target total blur amount to be a target and a total blur amount of the subject, and evaluates an operation of the subject based on a difference between the target blur amount and the blur amount of the subject.
The digest image display device according to claim 1 . The blur amount acquisition unit divides a plurality of digest images generated by the digest image generation unit into a plurality of blocks, and acquires a local blur amount of the posture of the subject for each of the divided blocks.
The evaluation unit compares each local blur amount acquired by the blur amount acquisition unit with a target local blur amount targeted for each local blur amount, and each local blur amount and target local blur amount of the subject The movement of the subject is evaluated for each block based on the difference between
The digest image display unit displays the digest image generated by the digest image generation unit and the evaluation result evaluated by the evaluation unit for each block.
The digest image display device according to claim 1 . The evaluation unit compares a difference between each local blur amount of the subject and the target local blur amount with a threshold value set in advance for the difference, and determines an image of the block in which the difference is equal to or greater than the threshold value. , Apply image processing to show the evaluation results,
The digest image display device according to claim 3 . The digest image generation unit generates a plurality of digest images in one operation at one timing detected by the timing detection unit,
The evaluation unit synthesizes a plurality of digest images generated by the digest image generation unit.
Digest image display apparatus according to any one of claims 1 to 4, characterized in that. A target blur amount storage unit for storing the target blur amount;
The evaluation unit refers to the target blur amount storage unit to obtain the target blur amount;
Digest image display apparatus according to any one of claims 1 to 5, characterized in that. Photographing a subject that performs an operation of generating an accompanying sound a plurality of times, and obtaining an image of the subject;
Obtaining the accompanying sound;
Detecting each timing at which the accompanying sound is generated based on the acquired video or the accompanying sound; and
Generating a digest image for each detected timing from the acquired video;
Synthesizing the digest image generated at each timing with reference to each detected timing, and generating a composite image showing blurring of the posture of the subject;
Comparing each digest image used to generate the composite image to obtain a blur amount of the posture of the subject;
Comparing a target target blur amount with the subject blur amount, and evaluating the motion of the subject based on a difference between the target blur amount and the subject blur amount;
Displaying the composite image and the evaluation result of the evaluation result,
The digest image display method characterized by the above-mentioned. On the computer,
A procedure for photographing a subject that performs an operation that generates an accompanying sound a plurality of times and acquiring an image of the subject,
Obtaining the accompanying sound;
A procedure for detecting each timing at which the accompanying sound is generated based on the acquired video or the accompanying sound,
A procedure for generating a digest image for each detected timing from the acquired video,
A procedure for synthesizing a digest image generated at each timing with reference to each detected timing, and generating a synthesized image showing blurring of the posture of the subject,
A procedure for comparing each digest image used to generate the composite image and obtaining a blur amount of the posture of the subject;
A procedure for comparing a target blur amount and a blur amount of the subject, and evaluating the motion of the subject based on a difference between the target blur amount and the blur amount of the subject;
A procedure for displaying the composite image and an evaluation result of the evaluation result;
A program for running

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