The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In image processing area and segmentation algorithms based on thresholding, the intensity of the image (grayscale) is usually obtained in order to differentiate the regions of the objects and the background. The segmentation based on the threshold works well when the image has a high intensity in the contrast, this characteristic is key to make a good classification of the pixels. This document will...
The paper deals with finding the regression function describing extraction of luminance values of the samples measured with luminance meter from digital images simultaneously taken by a digital camera using scientific computer algebra software.
Digital image processing is an important part of prepress design, is the visual communication professional students need to master the skills, practical subject provides a feasible technology platform to the students to master the prepress design and understand the technology of printing. Take the practice case of digital image processing in book design as an example, to compare the difference of...
In this document the results of the implementation of an algorithm is shown for extracting representative frames of a digital video. The algorithm is based on the partition of video segments as in quadtree partition dimensional space. Frames are compared and similar discarded. A comparison based on PSRN and a recursive process is used.
In this paper, an FPGA-based traffic sign recognition system is introduced for driver assistance applications. The system incorporates two major operations, traffic sign detection and recognition. The algorithms presented include hue detection for potential sign detection, morphological filters for noise reduction, labeling and Hausdorff distance calculation for template recognition. A new hardware...
Vehicle accidents are widespread these days. They cause loss of invaluable human lives as well as huge loss of property. An efficient accident avoidance system has been a great need since the invention of motor vehicles. We propose a vehicle accident warning system based on image processing techniques. It uses two criteria for enabling accident warning. These are driver drowsiness and front vehicle...
This paper presents a guideline for application development to provide image object detection capability using “Aforge.NET Framework” in conjunction with C# language. In detecting the target object, image processing techniques such as Blob Counter and HSL Color space were used to distinguish the object from the background and determine the position of the target object on the image. This application...
This study provides a method to detect the smoke in a field by computer vision. The software of smoke extraction is developed by using the graphical programming language. In processing the video images, it utilizes the HSI model to extract statically and dynamically the pixels of the smoke with specific saturation. The other pixels that are filtered off are regarded as the backgrounds. Elimination...
This paper presents a LabVIEW application and a hardware module used for movement detection of objects in a surveillance area (nuclear plant perimeters, frontiers, etc.) The system use as sensor a single video camera connected to the PC on the USB interface. An external module connected to the parallel interface of PC is used to drive a stepper motor that provides the proper orientation of the video...
Automatic License Plate Recognition (LPR) is a technique involving image processing which is used to identify a vehicle by reading its license plate. In this paper we propose a system which is capable of extracting the license plate region from the vehicle's image taken from its rear end. The system consists of a digital camera, software to interface the camera with the software module and the software...
This paper describes the initial steps in the development of an object detection system for manipulation purposes, to be embedded in a mobile robot. The goal is to design a robotic system to aid workers in a manufacturing plant. The proposed implementation involves the integration of a Field Programmable Gate Array (FPGA) based electronic module with the manipulator arm of the robotic platform. The...
Teaching boards are omnipresent in classrooms throughout the world. Tableau is a software environment for processing images from teaching-boards acquired using portable digital cameras and cell-phones. The previous versions of Tableau were restricted to white-board processing. This paper generalizes the enhancement algorithm to work with boards of any color, being the first software environment able...
This paper introduces a system, called ubiquitous multi-processor (UMP) system, which constructs a dataflow network dynamically by connecting function-specific execution modules. We developed a general-purpose execution module (GP-PE) which performs an equivalent function to SS-PE by downloading the software library to improve the efficiency of development and reconfigure the function dynamically...
This research concerns a system, which is called Ubiquitous Multi-Processor (UMP) system, which constructs dataflow network dynamically by connecting function-specific execution modules. The software model of the system was developed consisting only of application-specific execution modules (SS-PE) providing fixed functions. We developed a general-purpose execution module (GP-PE) which performs equivalent...
This research intends to develop the vehicle speed detection system using image processing technique. Overall works are the software development of a system that requires a video scene, which consists of the following components: moving vehicle, starting reference point and ending reference point. The system is designed to detect the position of the moving vehicle in the scene and the position of...
Three-level loop tufting machine provides great capability to jacquard carpet production, and also brings difficulties for the pattern design processing. To meet this requirement, this paper proposed a pattern preparing system for the tufting machine. Through the analysis of the basic pattern design requirements, the pattern preparing software structure was designed, in which core module includes...
We have developed an embedded ultrasound signal processing (EUSP) subsystem which has the capability to process ultrasound signals of B mode, color flow and spectrum Doppler in real-time. The system consists of four high performance digital signal processors (DSPs), TMS320VC6416, and other peripherals such as FIFOs and SDRAMs. It can provide very high data throughputs and up to 19200 MIPS of computation...
The oracle problem is a crucial part in current research on software testing. In many situations available solutions like partial oracles can be used, however the suitability of a specific oracle depends on the application to be tested. Moreover, the inputs have a considerable impact on the effectiveness of the testing strategy. Therefore selecting an appropriate oracle as well as adequate inputs...
The paper describes the design and implementation of multifunctional photograph processor based on Samsung 2440A. Discussing the function and actuality of photograph processor and the exploited environment and interrelated technique of photograph processor and the software and hardware design of system. Using the special DSP chip disposal the photograph receiving from external equipment and transfer...
Security screening systems based on imaging technology, like X-ray and gamma-ray based screening systems, are widely used in the field of aviation security. The image quality of the systems reflects detection performance directly. In the paper a set of image quality assessment software based-on human visual sensitivity (HVS) has been developed. The software integrated HVS method in the objective method...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.