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In this paper we describe an automatic system for airplane Detection and tracking based on wavelet transform and Artificial Neural Networks (ANN). Our method is fully automatic and more effective than other conventional approaches. Initially, we prepared a good database that includes images (about 100) from different airplanes in different positions. Then, we manually labeled airplane pixels and background pixels as foreground and background objects. Then, in order to reduce the overall computation, using wavelet transform, images were compressed. A MLP was then trained using the resultant image values and the foreground/background labels (MLP1). In fact, object color information is used as the input to the neural network for detection purposes. We have used MLP1 for automatic airplane detection in the first frame. Then, a second neural network with the same structure as above was trained by only the first frame of our video (MLP2). So, we can use this method for each image to object detection in other frames. Simulation results have shown that this approach leads to promising performance in airplane detection and tracking.