CN103345184B - A kind of two-dimentional hand-control device of image information thermo aesthesia feedback - Google Patents
A kind of two-dimentional hand-control device of image information thermo aesthesia feedback Download PDFInfo
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- CN103345184B CN103345184B CN201310268045.2A CN201310268045A CN103345184B CN 103345184 B CN103345184 B CN 103345184B CN 201310268045 A CN201310268045 A CN 201310268045A CN 103345184 B CN103345184 B CN 103345184B
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Abstract
The invention discloses the two-dimentional hand-control device of a kind of image information thermo aesthesia feedback, target object image is gathered by imageing sensor, thermo aesthesia feedback device can reflect the information such as the pattern colour harmonic profiles that collects in real time, colourity and vs. temperature is set up by color and temperature space conversion process, different thermo aesthesias can be experienced for different colours finger, adopt contours extract algorithm to obtain contour of object information, extremely cold or very hot thermo aesthesia extreme value can be experienced for contour of object finger; Utilize this device staff can virtual touch target object image, according to staff position in the picture, by thermo aesthesia device work, image information is fed back on finger with thermo aesthesia form. Adopt thermo aesthesia feedback to have scope wide, compare the advantages such as vibrating tactile irritating noise is little; Additionally, be provided with temperature measuring device in thermo aesthesia device work, temperature measuring device is to the temperature survey of thermo aesthesia device work and feeds back to control unit, constitutes stable closed-loop control system, and the strict temperature ascensional range controlling finger perception is to guarantee safety; The present invention easily realizes, the small and exquisite simplicity of device, it is easy to operation.
Description
Technical field
The present invention relates to the two-dimentional hand-control device of a kind of image information thermo aesthesia feedback.
Background technology
Estimate according to World Health Organization (WHO), the current whole world there are about 45,000,000 blind persons, and the survey data of China's situation with visual disabilities shows the existing blind person of China (containing low visual acuity) 12,630,000, account for the 14.86% of people with disability's sum, the blind person 4,580,000 of wherein multiple disabilities. In line with the theory that science and technology is brought benefit to the mankind, for making up the visual performance defect of blind person, various countries scientist attempts the means of utilizing works technology to improve blind person's living environment. In the various solutions proposed, utilize the audition of blind person to replace the scheme of vision to account for significant proportion, but utilize audition to obtain visual information and also have its weak point. By contrast, substitute the simpler practicality of design of visual system with sense of touch, there is higher feasibility. Blind person is by going direct touching object to obtain object basic feature information with hands mostly in life.
Accordingly, it would be desirable to the two-dimentional hand-control device of a kind of image information thermo aesthesia feedback is to solve the problems referred to above.
Summary of the invention
Goal of the invention: the present invention is directed to blind person in prior art and utilize audition to obtain the defect of visual information, it is provided that a kind of can come that perception is true or the two-dimentional hand-control device of the image information thermo aesthesia feedback of the characteristic information such as the color harmonic profiles of dummy object by thermo aesthesia feedback in the mode of finger.
Technical scheme: for solving above-mentioned technical problem, the two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention adopts the following technical scheme that
A kind of two-dimentional hand-control device of image information thermo aesthesia feedback, including image collecting device, image processing apparatus and thermo aesthesia feedback device, described image collecting device is for gathering the image of object, described image processing apparatus for being sequentially carried out contours extract process and color and temperature space conversion process to the image of described image acquisition device, described thermo aesthesia feedback device includes position sensing device, control unit, thermo aesthesia device work and temperature measuring device, the positional information of staff two-dimensional movement is input in described image processing apparatus by described position sensing device, described positional information is sent to described control unit after described image processing apparatus processes, described control unit controls described thermo aesthesia device work and feels that form feeds back on finger with different temperatures, the temperature of described thermo aesthesia device work is measured and feeds back to described control unit and constitutes closed-loop control system by described temperature measuring device.
Further, described control unit is able to receive that the positional information of temperature space information and staff, described control unit sets up corresponding thermo aesthesia feedback profile according to described temperature space information, the temperature controlling described thermo aesthesia device work changes according to described thermo aesthesia feedback profile, positional information according to staff and the comparison of the positional information of image outline, set up the corresponding relation of image outline and thermo aesthesia extreme value.
Further, described control unit includes single-chip microcomputer, metal-oxide-semiconductor on-off circuit, power supply circuits and temperature measurement circuit, described single-chip microcomputer accepts the data that described image processing apparatus sends the break-make controlling described power supply circuits by controlling described metal-oxide-semiconductor on-off circuit, described power supply circuits provide power supply for described thermo aesthesia device work, and described temperature measurement circuit utilizes described temperature measuring device to the temperature real-time measurement of described thermo aesthesia device work and to feed back to described single-chip microcomputer composition closed-loop control system.
Further, described temperature measuring device is critesistor.
Further, described thermo aesthesia device work is semiconductor cooler. In order to improve the response speed of thermo aesthesia feedback, it is possible to using semiconductor cooler as thermo aesthesia device work, the size of semiconductor cooler can be customized as required.
Further, described image collector is set to photographic head, and described image processing apparatus is PC.
Further, it is utilize the color distortion between target object and background that the image of described image acquisition device is carried out contours extract process by described image processing apparatus, detects and extracts differential position, thus obtaining the positional information of contour of object.
Further, it is by chromatic value division temperature range compared with the Chroma threshold of setting of each point in image that the image of described image acquisition device is carried out color with temperature space conversion process by described image processing apparatus, thus the different temperatures converting finger impression to is felt, the Chroma threshold of described setting is adjustable.
Further, also include shell, described shell is provided with the first opening and the second opening, described first opening is arranged on the top of described shell, described second opening is arranged on the bottom of described shell, described position sensing device, control unit, thermo aesthesia device work and temperature measuring device are respectively provided with in the housing, described thermo aesthesia device work is arranged on described first opening part, described position sensing device is arranged on described second opening part, and described temperature measuring device is arranged on described thermo aesthesia device work.
Further, described thermo aesthesia device work be arranged below radiating block. In order to continuous several times ground carry out thermo aesthesia feedback, obtain good feedback effects, it is possible to thermo aesthesia feedback device thermo aesthesia device work be arranged below radiating block.
Beneficial effect: the two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention has the advantage that
1), the present invention gathers target object image by imageing sensor, thermo aesthesia feedback device can reflect the information such as the pattern colour harmonic profiles that collects in real time, colourity and vs. temperature is set up by color and temperature space conversion process, this corresponding relation can regulate because of the setting of Chroma threshold, different thermo aesthesias can be experienced for different colours finger, adopt contours extract algorithm to obtain contour of object information, extremely cold or very hot thermo aesthesia extreme value can be experienced for contour of object finger;
2), adopt thermo aesthesia feedback to have scope extensively, compare the advantages such as vibratory stimulation noise is little;
3), in order to user operates safety, avoid making operator produce sense of discomfort, thermo aesthesia device work is provided with temperature measuring device, temperature measuring device is to the temperature survey of thermo aesthesia device work and feeds back to control unit, constituting stable closed-loop control system, the temperature ascensional range of strict control finger perception is to guarantee safety;
4), the present invention easily realize, the small and exquisite simplicity of device, it is easy to operation.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention;
Fig. 2 is the hardware designs block diagram of the two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention;
Fig. 3 is the color schematic diagram with temperature space conversion process of the present invention;
Fig. 4 is the system program flow chart of the present invention;
Fig. 5 is the structural representation of the hand-control device of the present invention;
Fig. 6 is the radiating block structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention, after having read the present invention, the amendment of the various equivalent form of values of the present invention is all fallen within the application claims limited range by those skilled in the art.
Referring to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the two-dimentional hand-control device of a kind of image information thermo aesthesia feedback of the present invention, including image collecting device, image processing apparatus and thermo aesthesia feedback device. Wherein, image collecting device is for gathering the image of object, and image processing apparatus for being sequentially carried out contours extract process and color and temperature space conversion process to the image of image acquisition device. It is utilize the color distortion between target object and background that the image of image acquisition device is carried out contours extract process by image processing apparatus, detects and extracts differential position, thus obtaining contour of object positional information. It is by chromatic value division temperature range compared with the Chroma threshold of setting of each point in image that the image of image acquisition device is carried out color with temperature space conversion process by image processing apparatus, thus the different temperatures converting finger impression to is felt, the Chroma threshold of setting is adjustable.
Thermo aesthesia feedback device includes position sensing device, control unit, thermo aesthesia device work and temperature measuring device, the positional information of staff two-dimensional movement is input in image processing apparatus by position sensing device, positional information is sent to control unit after image processing apparatus processes, control unit controls thermo aesthesia device work and feels that form feeds back on finger with different temperatures, and the temperature of thermo aesthesia device work is measured and feeds back to control unit and constitutes closed-loop control system by temperature measuring device. Wherein, control unit is able to receive that the positional information of temperature space information and staff, control unit sets up corresponding thermo aesthesia feedback profile according to temperature space information, the temperature controlling thermo aesthesia device work changes according to thermo aesthesia feedback profile, positional information according to staff and the comparison of the positional information of image outline, set up the corresponding relation of image outline and thermo aesthesia extreme value. Control unit includes single-chip microcomputer, metal-oxide-semiconductor on-off circuit, power supply circuits and temperature measurement circuit, single-chip microcomputer accepts the data that image processing apparatus sends the break-make controlling power supply circuits by controlling metal-oxide-semiconductor on-off circuit, power supply circuits provide power supply for thermo aesthesia device work, and temperature measurement circuit utilizes temperature measuring device to the temperature real-time measurement of thermo aesthesia device work and to feed back to single-chip microcomputer composition closed-loop control system.
Wherein, temperature measuring device can be critesistor. Thermo aesthesia device work can be semiconductor cooler. In order to improve the response speed of thermo aesthesia feedback, it is possible to using semiconductor cooler as thermo aesthesia device work, the size of semiconductor cooler can be customized as required. Image collecting device can be photographic head, and image processing apparatus can be PC.
Also include shell, shell is provided with the first opening and the second opening, first opening is arranged on the top of shell, second opening is arranged on the bottom of shell, position sensing device, control unit, thermo aesthesia device work and temperature measuring device are arranged in shell, thermo aesthesia device work is arranged on the first opening part, and position sensing device is arranged on the second opening part, and temperature measuring device is arranged on thermo aesthesia device work. Thermo aesthesia device work be arranged below radiating block. In order to continuous several times ground carry out thermo aesthesia feedback, obtain good feedback effects, it is possible to thermo aesthesia feedback device thermo aesthesia device work be arranged below radiating block.
Embodiment 1
Referring to shown in Fig. 1, the two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention, including image collecting device, image processing apparatus and thermo aesthesia feedback device. object can be carried out image acquisition by image collecting device, and exports the image gathered to image processing apparatus, it is possible to used as image collecting device by photographic head, image processing apparatus can show the image received and carry out the positional information on contours extract acquisition contour of object border, carry out color and temperature space conversion process again, set up the corresponding relation of color and temperature, it is possible to used as image processing apparatus by the processor core with image processing function, thermo aesthesia feedback device includes position sensing device, control unit, thermo aesthesia device work and temperature measuring device, the positional information of staff two-dimensional movement can be input in image processing apparatus by position sensing device, read the temperature space information after location information and conversion by image processing apparatus and export the control unit to thermo aesthesia feedback device, control unit is able to receive that the positional information of temperature space information and staff, corresponding thermo aesthesia feedback profile is set up according to temperature space information, control the temperature of thermo aesthesia device work according to curvilinear motion, the comparison of the positional information of the positional information according to staff and image outline, set up profile and thermo aesthesia extreme value corresponding relation, thermo aesthesia device work can feed back on the finger of people with the form that different temperatures is felt, the temperature of thermo aesthesia device work can be measured and feed back to controller and form closed-loop control system by temperature measuring device.
Refer to shown in Fig. 2, the hardware designs block diagram of the two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention. system mainly includes position sensing device, thermo aesthesia device work, temperature measuring device, control unit and power supply. when staff moves this two dimension hand-control device, the positional information of staff two-dimensional movement is just sent in image processing apparatus in USB mode by position sensing circuit by position sensing unit, image processing apparatus reads the positional information on residing image and is sent to control unit by serial ports after colouring information, thermo aesthesia device work selects semiconductor cooler, what temperature measuring device was selected is critesistor, control unit includes single-chip microcomputer, metal-oxide-semiconductor on-off circuit, power supply circuits and temperature measurement circuit, single-chip microcomputer accepts the data that image processing apparatus sends, and the break-make of semiconductor cooler power supply circuits is controlled by controlling metal-oxide-semiconductor on-off circuit, feed back on finger producing different thermo aesthesias, temperature measurement circuit utilizes critesistor to the temperature real-time measurement of semiconductor cooler and to feed back to single-chip microcomputer composition closed-loop control system.
Fig. 3 is the color schematic diagram with temperature space conversion process of the present invention. In this transformation process, color 1 is corresponding to the temperature T of finger sensation1, color 2 corresponds to the temperature T that finger is felt2, color 3 is corresponding to the temperature T of finger sensation3, T1To T2Arrive T again3Variations in temperature be the process of a saltus step and present temperature trend and can set that as rising or falling, at boundary corresponding temperature TmCan be a sense of cold or the temperature extremal of heat feel.
Fig. 4 is the system program flow chart of the present invention. Initialize component software system initialization and hardware system initializes. Software system initializes makes Initialize installation to photographic head and software serial ports, hereafter open photographic head and carry out image acquisition, target object is carried out contours extract and color treatments by selected good angle, then pass through staff and move this two dimension hand-control device to obtain the hue information of this image and corresponding positional information, first see if fall out object boundary, again with the threshold ratio set relatively, it is sent to hardware system comparing the result obtained; Hardware system initializes and respectively hardware serial ports, AD and intervalometer is done Initialize installation, hardware system is inquired about and is analyzed and receives data, corresponding thermo aesthesia feedback profile is selected to control break-make and the ON time of semiconductor cooler power supply circuits according to the data received, the temperature value Real-time Feedback simultaneously recorded by temperature measuring device is to master controller to guarantee safety, and last finger touch temperature feels that device work can experience different thermo aesthesias.
Fig. 5 is the structural representation of the hand-control device of the present invention. The two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention includes shell, position sensing device 2, control unit 3, thermo aesthesia device work 4. Wherein: shell includes upper casing and includes upper casing 1 and base 5. Shell is provided with the first opening, the second opening and the 3rd opening, first opening is arranged on the top of shell, namely the first opening is arranged on upper casing 1, second opening is arranged on the bottom of shell, namely the second opening is arranged on base 5,3rd opening is arranged on the side of shell, and namely the 3rd opening is arranged on base 5 side. Position sensing device 2, control unit 3, thermo aesthesia device work 4 and temperature measuring device are arranged in shell. Thermo aesthesia device work 4 is arranged on the first opening part, is glued fixing. Position sensing device 2 is arranged on the second opening part. Being additionally provided with a button on position sensing device 2, when pressing this button, image collecting device just can carry out image acquisition. Temperature measuring device 6 is arranged on thermo aesthesia device work 4. Specific requirement: temperature measuring device must contact with thermo aesthesia device work, but contacting of finger and thermo aesthesia device work 4 can not be hampered. The side of shell is provided with the 4th opening, it is simple to the lead-in wire in controller unit 3 picks out; Controller unit 3 has the first socket, the second socket and a USB interface, first socket is used for connecting thermo aesthesia device work 4, second socket connects external power source and powers to thermo aesthesia device work 4, USB interface is connected with PC, wherein, USB line connects USB interface and PC by the 3rd opening, powers to control unit 3 and downloads.
Fig. 6 is the radiating block schematic diagram of the present invention. Being arranged below radiating block 7 at thermo aesthesia device work 4, radiating block 7 is positioned at the bottom of thermo aesthesia device work 4, and contact is good. Can carry out thermo aesthesia feedback to continuous several times, obtain good feedback effects.
The two-dimentional hand-control device of the image information thermo aesthesia feedback of the present invention has the advantage that
1), the present invention gathers target object image by imageing sensor, thermo aesthesia feedback device can reflect the information such as the pattern colour harmonic profiles that collects in real time, colourity and vs. temperature is set up by color and temperature space conversion process, this corresponding relation can regulate because of the setting of Chroma threshold, different thermo aesthesias can be experienced for different colours finger, adopt contours extract algorithm to obtain contour of object information, extremely cold or very hot thermo aesthesia extreme value can be experienced for contour of object finger;
2), adopt thermo aesthesia feedback to have scope extensively, compare the advantages such as vibratory stimulation noise is little;
3), in order to user operates safety, avoid making operator produce sense of discomfort, thermo aesthesia device work is provided with temperature measuring device, temperature measuring device is to the temperature survey of thermo aesthesia device work and feeds back to control unit, constituting stable closed-loop control system, the temperature ascensional range of strict control finger perception is to guarantee safety;
4), the present invention easily realize, the small and exquisite simplicity of device, it is easy to operation.
Claims (10)
1. the two-dimentional hand-control device of an image information thermo aesthesia feedback, including image collecting device, image processing apparatus and thermo aesthesia feedback device, described image collecting device is for gathering the image of object, described image processing apparatus for being sequentially carried out contours extract process and color and temperature space conversion process to the image of described image acquisition device, described thermo aesthesia feedback device includes position sensing device, control unit, thermo aesthesia device work and temperature measuring device, the positional information of staff two-dimensional movement is input in described image processing apparatus by described position sensing device, described image processing apparatus reads the positional information on residing image and the temperature space information after conversion and exports the control unit to thermo aesthesia feedback device, described control unit controls described thermo aesthesia device work and feels that form feeds back on finger with different temperatures, the temperature of described thermo aesthesia device work is measured and feeds back to described control unit and constitutes closed-loop control system by described temperature measuring device.
2. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 1, it is characterized in that, described control unit is able to receive that the positional information of temperature space information and staff, described control unit sets up corresponding thermo aesthesia feedback profile according to described temperature space information, the temperature controlling described thermo aesthesia device work changes according to described thermo aesthesia feedback profile, positional information according to described staff and the comparison of the positional information of image outline, set up the corresponding relation of image outline and thermo aesthesia extreme value.
3. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 1, it is characterized in that, described control unit includes single-chip microcomputer, metal-oxide-semiconductor on-off circuit, power supply circuits and temperature measurement circuit, described single-chip microcomputer accepts the data that described image processing apparatus sends the break-make controlling described power supply circuits by controlling described metal-oxide-semiconductor on-off circuit, described power supply circuits provide power supply for described thermo aesthesia device work, described temperature measurement circuit utilizes described temperature measuring device to the temperature real-time measurement of described thermo aesthesia device work and to feed back to described single-chip microcomputer composition closed-loop control system.
4. the two-dimentional hand-control device of the image information thermo aesthesia feedback as described in claim 1 or 3, it is characterised in that described temperature measuring device is critesistor.
5. the two-dimentional hand-control device of the image information thermo aesthesia feedback as described in claim 1 or 3, it is characterised in that described thermo aesthesia device work is semiconductor cooler.
6. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 1, it is characterised in that described image collector is set to photographic head, and described image processing apparatus is PC.
7. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 1, it is characterized in that, it is utilize the color distortion between target object and background that the image of described image acquisition device is carried out contours extract process by described image processing apparatus, detect and extract differential position, thus obtaining contour of object positional information.
8. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 1, it is characterized in that, it is by chromatic value division temperature range compared with the Chroma threshold of setting of each point in image that the image of described image acquisition device is carried out color with temperature space conversion process by described image processing apparatus, thus the different temperatures converting finger impression to is felt, the Chroma threshold of described setting is adjustable.
9. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 1, it is characterized in that, also include shell, described shell is provided with the first opening and the second opening, described first opening is arranged on the top of described shell, described second opening is arranged on the bottom of described shell, described position sensing device, control unit, thermo aesthesia device work and temperature measuring device are respectively provided with in the housing, described thermo aesthesia device work is arranged on described first opening part, described position sensing device is arranged on described second opening part, described temperature measuring device is arranged on described thermo aesthesia device work.
10. the two-dimentional hand-control device of image information thermo aesthesia feedback as claimed in claim 9, it is characterised in that described thermo aesthesia device work be arranged below radiating block.
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| CN103735395B (en) * | 2014-01-20 | 2016-02-03 | 东南大学 | One has thermo aesthesia and pallesthetic object wearing device |
| CN104090601B (en) * | 2014-07-03 | 2017-07-21 | 华勤通讯技术有限公司 | Wearable device |
| US10408688B2 (en) * | 2016-04-19 | 2019-09-10 | Tegway Co., Ltd. | Feedback device providing thermal feedback |
| CN107451991A (en) * | 2017-06-27 | 2017-12-08 | 武汉逸飞激光设备有限公司 | A kind of vertical position welding welding track computational methods and system |
| CN108733213B (en) * | 2018-05-15 | 2019-04-16 | 清华大学 | A kind of flexible blind person's image interactive system and its recognition methods felt based on heat |
| CN113008405B (en) * | 2021-03-09 | 2024-03-22 | 云南中烟工业有限责任公司 | Chroma feedback temperature measuring device and method |
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