Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 19 of 19 for “"real-time image processing"”.
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Parallel pipelined VLSI arrays for real-time image processing
Real-time image processing involves processing a wide spectrum of algorithms on huge data sets. Processing at the pixel data rate demands more powerful parallel machines than those developed for conventional image processing. This research takes advantage of current VLSI technology to examine a new …
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Real-Time Image Processing Using Acousto-Optic Bragg Diffraction
Optical image processing systems using an acousto-optic cell have been studied previously. However, these previous studies have been limited to two diffracted order in the Bragg regime and two spatial dimensions. Some comparisons between experimental data and theoretical predictions have been made. …
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Real-time Image Processing on an FPGA for an Intraoperative Goggle Device
… we have developed a goggle system equipped for real-time imaging in both visible and near infrared spectra. The goggle system has to be light, compact and able to perform real-time image processing to assist the physician for easy detection of tumor margins. To this end, I have developed Verilog …
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A Design Methodology for Creating Programmable Logic-based Real-time Image Processing Hardware
… that produces hardware solutions for performing real-time image processing is presented here. This design methodology provides significant advantages over traditional hardware design approaches by translating real-time image processing tasks into the gate-level resources of programmable …
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A high performance micro channel interface for image processing applications
… Micro Channel interface. The interface collects image data from a color linescan camera and transfers this data into the Micro Channel system memory. A maximum data transfer rate of 20 Mbytes/sec can be achieved using the camera interface. Programmability is offered in features such as collected …
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Region detection and labeling of images in real-time using an FPGA-based custom computing platform
… as identifying connected components in an image. Connected component labelling is an important part of performing feature extraction. Industrial applications performing online image analysis may require a real-time implementation of a region labelling algorithm (typically processing 30 …
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Median and morphological filtering of images in real time using an FPGA-based custom computing platform
… describes the design and implementation of real-time image-processing tasks on a custom computing platform called Splash-2. The tasks that have been implemented are image histogram generation, median filtering using 3X3 neighborhoods, and morphological dilation and erosion. These problems …
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Development of a Real-Time 3D Mushroom Vision System for Autonomous Mushroom Harvesting
… method of harvesting mushrooms, but overtime, the harsh conditions cause high worker turn-over rates, driving the cost of manual labour up while overall reducing the potential of the industry. A mushroom scanner was developed to scan a mushroom bed in real-time and to provide the data to …
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Experimental Investigation of Jet Breakup at Low Weber Number
… breakup of the liquid jet was captured using a real-time image processing high-speed digital camera system. In order to understand the influence of inertial, surface tension, and viscous forces on the process of breakup, a range of Weber numbers from 5 to 110 was experimentally tested. A syringe …
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The Creation of a low-cost, reliable platform for mobile robotics research
… provide a pixel-matched, colored depth field in real time. This sensor was later purchased by Microsoft and leveraged in their popular gaming device, the Microsoft Kinect. The robot has a powerful Acer Aspire 1830T-6651 laptop with an Intel Core i5 to perform processor-intensive, real-time image …
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Design And Assessment Of Compact Optical Systems Towards Special Effects Imaging
… special effects is to create special effects in real time in a way that the user can preview the effect before taking the actual picture or movie sequence. There are many techniques currently used to create computer-simulated special effects, however current techniques in computer graphics do not …
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Bio-Inspired Multi-Spectral Imaging Sensors and Algorithms for Image Guided Surgery
<p>Image guided surgery (IGS) utilizes emerging imaging technologies to provide additional structural and functional information to the physician in clinical settings. This additional visual information can help physicians delineate cancerous tissue during resection as well as avoid damage to …
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ENHANCEMENT AND RESTORATION OF DUST IMAGES
… on the modeling of dust noise on ordinary images and formulating enhancement and restoration strategies to improve the quality of dusty images using a sequence of image processing steps. Analyses of images acquired in dusty environments show that the images tend to have noise, blur, a small …
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Stabilization and Control of a Quad-Rotor Micro-UAV Using Vision Sensors
… allows researchers to perform on-board vision processing and feature tracking without the aid of a ground station or wireless transmission. Using this on-board feature tracking system a drift stabilization control system has been developed that allows indoor flight of the Helio-copter without …
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A Novel System and Image Processing for Improving 3D Ultrasound-guided Interventional Cancer Procedures
Image-guided medical interventions are diagnostic and therapeutic procedures that focus on minimizing surgical incisions for improving disease management and reducing patient burden relative to conventional techniques. Interventional approaches, such as biopsy, brachytherapy, and ablation …
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Real-Time Implementation of Vision Algorithm for Control, Stabilization, and Target Tracking for a Hovering Micro-UAV
… of hardware and software on the FPGA, and real-time performance was obtained. The algorithms implemented include a Harris feature detector, template matching feature correlator, RANSAC similarity-constrained homography, color segmentation, radial distortion correction, and an extended …
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A Real-Time and Automatic Ultrasound-Enhanced Multimodal Second Language Training System: A Deep Learning Approach
… shape in noisy and low-contrast ultrasound images is a challenging job, especially for non-expert users in real-time applications. On the other hand, our user study revealed that users could not perceive the placement of their tongue inside the mouth comfortably just by watching pre-recorded …