A neural network filter to detect small targets in high clutter backgrounds.

A neural network filter to detect small targets in high clutter backgrounds. Research Abstract Details 

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A neural network filter to detect small targets in high clutter backgrounds. Abstract Text:

M V Shirvaikar,M M Trivedi,

The detection of objects in high-resolution aerial imagery has proven to be a difficult task. In the authors' application, the amount of image clutter is extremely high. Under these conditions, detection based on low-level image cues tends to perform poorly. Neural network techniques have been proposed in object detection applications due to proven robust performance characteristics. A neural network filter was designed and trained to detect targets in thermal infrared images. The feature extraction stage was eliminated and raw gray levels were utilized as input to the network. Two fundamentally different approaches were used to design the training sets. In the first approach, actual image data were utilized for training. In the second case, a model-based approach was adopted to design the training set vectors. The training set consisted of object and background data. The neuron transfer function was modified to improve network convergence and speed and the backpropagation training algorithm was used to train the network. The neural network filter was tested extensively on real image data. Receiver operating characteristic (ROC) curves were determined in each case. The detection and false alarm rates were excellent for the neural network filters. Their overall performance was much superior to that of the size-matched contrast-box filter, especially in the images with higher amounts of visual clutter.

A neural network filter to detect small targets in high clutter backgrounds. Publishing Authors By Initials

MV Shirvaikar,MM Trivedi,

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A neural network filter to detect small targets in high clutter backgrounds. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: IEEE transactions on neural networks / a publicati

VOLUME: 6

Page Numbers: 252-7

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ISSN: 1045-9227

DAY: 11

MONTH: 02

YEAR: 1995

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LANGUAGE: eng

NlmUniqueID: 101211035

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Grant and Affiliation Information for A neural network filter to detect small targets in high clutter backgrounds.

AFFILIATION: Comput. Vision and Robotics Res. Lab., Tennessee Univ., Knoxville, TN.

Country: United States

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MEDLINETA: IEEE Trans Neural Netw

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