Keyboard(mouse) Location: Approx.
I would like to build a similar device like this. My email is [email protected]
80mm from the bottom of device. my project is this semester please help me out.
1 year ago
Hi..I'm very much interested in this project. :'( Nice work for your project!
3 months ago How to make the laser projector thoug?
can i get open cv for this project , my email id is [email protected] thanks.
It is easy to assemble the whole hardware（about 3 weeks）, but it is difficult to obtain these components 3 years ago 5 months ago
My email is [email protected] :'(
1 year ago 3 years ago
Could I get the OpenCV code as well? 3 years ago
Could you please send me the OpenCV code at email : [email protected] ?
1 year ago 19mm Pitch, QWERTY Layout Keyboard Size: Approx. Light source:red laser.
thanks. What laser and what camera to use ? can i get open cv for this project , my email id is [email protected] A camera-laser system is used to perform distance measuring tasks.
(i mean excluding step 8 and 9) on Can I get your code with this laser projection keyboard please I need it
Can you please send me the openCV???
Reply Nice work for your project! As an open-source project, you can freely make any changes/improvement to the current design and go through the implementation detail of the kit.The Laser Projection Keyboard kit contains the following 3 major key parts: an infrared light camera, a keyboard pattern projector and a linear laser. Place your finger to the place which is indicated by the flashing “key” on the software window – Click the related light blob on the window.
The keyboard pattern of you is not quite same as keyboard pattern in taobao.
Could I get the OpenCV code as well?
I was wondering if I could get the OpenCV code, I was doing this for a school project.
19mm Pitch Light source: red laser Keyboard(mouse) size: Approx.
By using OpenCV, the bottom hardware drive code written can be reduced, and invoke built-in function can directly face to hardware write code to fasten the difficult and speed of program development. My email is [email protected] SPECIFICATION Pattern Projector Item Specification Light Source Red Laser Diode Keyboard Layout Approx. When a user touches virtual keys using his/her fingers, the top of fingers will be illuminated by the lighting plane created by the linear laser.
– Repeat the above steps until the calibration is done.
I'm looking for something similar to this so please if u can mail me the code on my email Can you please provide the name of all the parts in detail ? Could I get the OpenCV code as well? God bless you With OpenCV vision library, it is fast to find the finger outline which is get by image camera, the position of finger location and revise the image surface distortion which is caused by image camera. The laser projection virtual keyboard designed in this thesis is based on OpenCV combine with image camera, 980nm linear laser, 980nm infrared filter and Keyboard projection laser, the image camera detection used with 980nm infrared filter is caused by shielding finger to make 980nm linear laser diffuse reflection the light . 4 months ago By experiment and test, this virtual keyboard can correctly and accurately locate and detect the finger position, on the other hand, this keyboard also have fault-tolerant treatment, and finally realize the function of key input.At the bottom of the infrared laser emission from a surface of a covering space in the infrared range, of course this plane to cover the entire keyboard, a keyboard in the center of the keyboard is the projection contour shape of the keyboard is mainly used for calibration, at the top of the real-time camera outside the graphics and pass data to the computer, because the laser light is a horizontal and parallel so no object occlusion camera is unable to detect the infrared signal, but if there are objects in the infrared laser region when the occluded objects' surface will be covered with the infrared camera will detect the infrared signal, computer access to the signal sent by the camera after after a certain the algorithm to obtain coordinates in the picture of infrared spot and then put the coordinate mapping to real keyboard position so as to realize its function.The camera of detection of the same area, ‘Camera2’ is angle of view 150°need height is 'h2', and the ‘Camera1’is angle of view 90°need height is 'h1', in order to narrow the project size and choose the lens of angle of view 150°.The picture taken by use the angle of view 150 camera is a distortion, and in order to Calibration the distortion of the picture using Matlab camera Calibration tool ‘Calibration Toolbox Camera’.Although "the camera calibration toolbox" as long as 3 different angles to shoot photos can be a good camera calibration, but in this design used 9 different angles to shoot photos of the camera calibration the calibration parameters, the parameters are applied to opencv correction algorithm in real-time operation can be real-time correction of distortion of the picture.The following link is the algorithm paper and ‘camera calibration toolbox’ guideThe PC camera is visible and infrared detection are not allowed to enter because the infrared light in practice may cause the whole picture of the color fidelity, PC camera in the design of the product design manufacturers often use infrared filters in the infrared light environment, in this project need to detect the infrared signal is so PC camera behind add a layer of infrared filter, this filter can filter out visible light infrared light and visible light are only allowed to enter, because of the use of this system is the 980nm infrared laser, so the permeability of 980nm filter, this filter can filter the 980nm light for more than 980nm light has good permeability.Select the 980nm infrared linear laser as the source of the signal detection, the linear laser can cover all the keyboard range.The development of software is Visual Studio 2010 and OpenCV library.Use cvCaptureFromCAM () function and cvQueryFrame () function to get the camera image，Using the cvCvtColor () function binarization the image,Use findContours () function to find the object contour, drawContours () function to draw the object contour, boundingRect () function to draw the object contour of the rectanglehow much time(in hrs) will does it take to do the hardware part of the project?
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