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9
votes
2answers
704 views

PID algorithm implementation using computer vision

I am constructing an automatic labyrinth maze solver, and using a webcam to control my maze. Based on suggestions in other forums, I am trying to control maze's ball movement at least in one ...
5
votes
7answers
499 views

Is FPGA the right way to go for recognizing cards from a desk?

I'm building a playing card dealing machine and I would like to get some advice in regards how I should do with my image processing. The card will be scanned and depending on the suit and rank of the ...
5
votes
1answer
227 views

Using an inertial measurement unit to compute global motion optical flow of video

I have a camera rigidly mounted together with an IMU that consists of 2-dof gyroscopes and 3-dof accelerometers. My aim is to compute the global optical flow of the image captured by the camera, in ...
4
votes
4answers
223 views

M.S. Math to Engineering Ph.D : Mathematics in Electrical Engineering

I have two Bachelor's degrees. One is electrical engineering and the other one is mathematics. I am studying mathematics (partial differential equations) in the graduate school (Master course) now. ...
3
votes
3answers
585 views

Good FPGA / Micorcontroler development board for real time image processing

I have been working with OpenCV on Desktop environment for the past one year and now I want to shift to dedicated hardware for my real time image processing applications. I have the following ...
3
votes
1answer
139 views

Why does increasing sampling density in the frequency domain separate overlapping artifacts in the spatial domain?

I have employed the fourier(projection) slice theorem in matlab. I have a 3D image, P(x,y,z) defines their pixel intensities at a given location int he image volume, it is discrete and uniform. I take ...
3
votes
1answer
380 views

Development Board / Micro-controller with an onboard camera or external addon

I wanted to use a micro-controller with a camera module to be able to do some processing on the captured images. The Arduino was my choice, but since it has only 256K of Flash memory, it clearly is ...
2
votes
3answers
285 views

I want to learn enough image and video processing to execute a project idea, pointers?

First of all, I am a total newbie to image processing. I have a project idea, part of which will involve doing the following ...
2
votes
1answer
242 views

Detecting absolute position

I am working on project that requires me to detect the position of a pen on a piece of normal paper. My first thought was to use 4 IR LEDs on a receiving unit set at the top of the page, and to put ...
1
vote
1answer
92 views

Color binning on Bayer sensor

Is there a difference between doing binning on a Bayer sensor before or after the ADC with respect to spatial information lost? How the debayering works should not matter, Assuming the same method ...
1
vote
1answer
171 views

Self Balancing Robot using Computer Vision

I'm planning to implement a Self Balancing Robot which is usually implemented using a gyroscope sensor which gives feedback to the micro-controller to adjust the position with wheels. I'm looking into ...
1
vote
2answers
118 views

Displacement Sensor [closed]

I am working on a project where I need to measure lengt of the objects floating on a surface. To perform that kind of sensing I am currently focusing on mouse sensors. I first tried ADNS 6010; ...
1
vote
1answer
133 views

Recommendation of actuator

I had posted about my project earlier in this forum: PID algorithm implementation using computer vision Now I am currently stuck in a stage whether I am concerned whether I chose the wrong actuator. ...
0
votes
1answer
162 views

What is the synthesizable VHDL method for loop or memory module?

I have an image processing application, first step is to do a thresholding operation (binarization). I don't know really if it better to use for loop (2-dimensional array) or to use a memory. If I ...
0
votes
2answers
47 views

Transforming image for close eye viewing

If I were to print a image on a transparency and hold it really close to my eyes (the same distance as glasses on my spectacles) the image would become blur and I would be able to see the background ...
0
votes
2answers
108 views

Electronic pan/tilt camera

Is it possible to conceive of a system that would use a stationary camera with a fish-eye lens to effectively provide the same images as a camera that was actually panning and tilting.
0
votes
1answer
111 views

Coherence factor in Delay-And-Sum-Beamformer: Triangle Inequality

I'm writing a delay-and-sum-beamformer in MATLAB that incorporates a so-called and widely used coherence factor CF. Now I'm confused about the math behind that ...
0
votes
1answer
139 views

How do I find a “pin readout” equivalent for this omnivision cameracube?

I need to know how to connect this omnivision cameracube to a pcb but I don't know what any of the connections on the bottom of the camera correspond to. How can I figure this out? ...
0
votes
1answer
287 views

How CIS (contact Image sensor ) works?

I'm working on a project that needs a CIS sensor All I can understand that this sensor output an analogue signal that I take on ADC & store the data & process on it . I will use this ROHM ...
0
votes
1answer
78 views

How can I decide whether I can use a Raspberry Pi for my application?

How do I calculate whether some specific hardware can run my code with a given speed? It's an image recognition software, and a simplified version of the algorithm is: Grab a frame (in RGB, ...
0
votes
0answers
61 views

Best camera and processor for High-Speed Stereo Vision [closed]

I'm currently developing a high-speed stereo vision project. So far we've coded all the necessary algorithms and already tested a prototype in matlab (which couldn't get above 30fps). The next step is ...
0
votes
0answers
107 views

Looking for hardware SoC JPEG encoder [closed]

I'm trying to build an image system using an Omnivision OV10633 sensor (1280x720p) and am looking for a chip that can convert the output of the sensor (10-bit RAW or YUV422) to a JPEG encoded stream ...
-3
votes
1answer
51 views

displaying JPEG images [closed]

I want to display images(JPEG) stored in a SD card, I want the output to be VGA so that I can display them in readily available display modules. Any idea on how this can be done?
-3
votes
1answer
126 views

FPGA Image Processing [closed]

I'm looking into making an FPGA based image processing unit to do very basic function, like change brightness or something. Is there an easy, or well documented way, to interface a camera (something ...