A μc-Si:H P-I-N Imager For 2-D Pattern Recognition

1999 ◽  
Vol 558 ◽  
Author(s):  
J. Martins ◽  
M. Fernandes ◽  
F. Sousa ◽  
P. Louro ◽  
A. MaçArico ◽  
...  
Keyword(s):  
Image Processing ◽  
Pattern Recognition ◽  
Image Enhancement ◽  
Image Representation ◽  
Rectangular Grid ◽  
Sensing Element ◽  
Coplanar Electrodes ◽  
Basic Image ◽  
Image Processing Algorithms ◽  
Processing Algorithms

ABSTRACTA TCO/ μc-p-i-n Si:H/AI imager is presented and analyzed. The μc-p-i-n Si:H photodiode acts as a sensing element. Contacts are used as an electrical interface. The image is acquired by a scan-out process. Sampling is performed on a rectangular grid, and the read-out of the photogenerated charges is achieved by measuring simultaneously both transverse photovoltages at the coplanar electrodes. The image representation in gray-tones is obtained by using low level processing algorithms. Basic image processing algorithms are developed for image enhancement and restoration.

Sphere Image Representation of Triangular Mesh and its Application

2010 ◽  
Vol 139-141 ◽  
pp. 1158-1163
Author(s):  
Xiao Liang Bai ◽  
Shu Sheng Zhang ◽  
Yuan Kui Ma ◽  
Kai Xing Zhang
Keyword(s):  
Image Processing ◽  
Image Representation ◽  
Triangular Mesh ◽  
Experimental Results ◽  
Mesh Processing ◽  
Mesh Editing ◽  
Sphere Image ◽  
Important Idea ◽  
Image Processing Algorithms ◽  
Processing Algorithms

Image processing algorithms are based on the idea that all pixels of it ranked over the orderly rows, which make the algorithms easier to be implemented. Extending image processing algorithms to triangular mesh is always an important idea for triangular mesh processing. But since the topology of a triangular mesh is not as simple as an image, triangular mesh processing is relatively difficult. This paper presented a new sphere image representation of a triangular mesh, which is an image as well as a graphic, and based on it, image processing algorithms can be easily extended to a triangular mesh. Experimental results show that by simply extending the image processing algorithms the presented sphere image representation can effectively reduce difficult of segmentation and mesh editing. Moreover the sphere image representation can be used for more triangular mesh processing applications.

scholarly journals It’s the Camera! A Special One: The Smartboxing of Image Processing Algorithms and their Uncertainties in Media Representations of Surveillance Technology

2018 ◽  
Vol 16 (1) ◽  
pp. 6-19 ◽  
Author(s):  
Christoph Musik
Keyword(s):  
Image Processing ◽  
Pattern Recognition ◽  
Moral Agent ◽  
Media Representations ◽  
Surveillance Systems ◽  
Economic Success ◽  
Surveillance Technology ◽  
Nationwide Surveillance ◽  
Image Processing Algorithms ◽  
Processing Algorithms

This paper presents an analysis of media articles and publicly available documents on one of Austria’s first nationwide surveillance systems in operation that makes use of image processing, pattern recognition technology: the “Automatic Toll Sticker Checks” on Austrian motorways. A recurring narrative makes the camera, not the silent image processing algorithms (IPAs), the centre of attention. IPAs and their inevitable uncertainties are completely disregarded and “smartboxed” in favour of the special camera that appears as magic technology. As such, the ready-made smart box is not contested at all. Instead, its economic success and standing as a moral agent is emphasised.

scholarly journals Implementation and Performance Testing of Background Subtraction Algorithm on ESP32

2019 ◽  
Vol 6 (2) ◽  
pp. 9-15
Author(s):  
DIDIT ANDRI JATMIKO ◽  
Salita Ulitia Prini
Keyword(s):  
Image Processing ◽  
Low Power ◽  
Background Subtraction ◽  
Performance Testing ◽  
Low Complexity ◽  
Pixel Image ◽  
Basic Image ◽  
Image Processing Algorithms ◽  
Processing Algorithms ◽  
And Performance

This paper describes the background subtraction algorithm and its performance in low power processing units, this algorithm has low complexity and can be used to detect objects so that it has the potential to be applied to security cameras. This study has succeeded in applying basic image processing algorithms to detect and track objects, such as background subtraction in the ESP32 module. The ESP32 module equipped with Xtensa® 32-bit LX6 microprocessor running at 240MHz can process 10000 times background subtraction algorithms in ~ 2000ms using 80x60 pixel image input. Background Subtraction; Embedded; ESP32; Image Processing; Microcontroller; Object Detection;

Pattern recognition of concrete surface cracks and defects using integrated image processing algorithms

2017 ◽  
Author(s):  
Jessie R. Balbin ◽  
Carlos C. Hortinela ◽  
Ramon G. Garcia ◽  
Sunnycille Baylon ◽  
Alexander Joshua Ignacio ◽  
...  
Keyword(s):  
Image Processing ◽  
Pattern Recognition ◽  
Concrete Surface ◽  
Surface Cracks ◽  
Image Processing Algorithms ◽  
Processing Algorithms

Data Flow Implementation of Erosion and Dilation

2021 ◽  
pp. 106-113
Author(s):  
Christina Pacher
Keyword(s):  
Image Processing ◽  
Data Flow ◽  
Control Flow ◽  
Basic Image ◽  
Image Processing Algorithms ◽  
Processing Algorithms

This chapter describes a data flow implementation of the image processing algorithms Erosion and Dilation. Erosion and Dilation are basic image processing algorithms which are used to reduce or increase the size of objects in images, respectively, and which are used in a wide number of image processing applications. The chapter first describes the control flow versions of the algorithms in detail. Subsequently, the translation of these algorithms to the Data Flow paradigm is examined, and the details of the data flow implementation as well as possible optimizations are discussed.

scholarly journals Linking of Cell Tracks using Segmentation

2019 ◽  
Vol 9 (1) ◽  
pp. 3020-3026
Keyword(s):  
Image Processing ◽  
Image Segmentation ◽  
Literature Review ◽  
Parallel Algorithms ◽  
Digital Image ◽  
Important Task ◽  
Basic Image ◽  
Image Processing Algorithms ◽  
Processing Algorithms

In maximum of image processing algorithms Segmentation is a key technique. It splits a digital image into several regions so as to examine them. Once segmentation is done, linking of frames is additionally is very important task. Several image segmentation techniques are developed by the researchers so as to form pictures swish and simple to judge. It is troublesome to process parallel algorithms in serial processors. This paper presents a literature review of basic image segmentation techniques, linking algorithms and want to process in hardware tools.

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