2D Object Detection and Recognition Models, Algorithms, and Networks – Yali Amit


This book is about detecting and recognizing 2D objects in gray-level images. How are models constructed? How are they trained? What are the computational approaches to efficient implementation on a computer? And finally, how can some of these computations be implemented in the framework of parallel and biologically plausible neural network architectures?

Detection refers to anything from identifying a location to identifying and registering components of a particular object class at various levels of detail. For example, finding the faces in an image, finding the eyes and mouths of the faces. One could require a precise outline of the object in the image, or the detection of a certain number of well-defined landmarks on the object, or a deformation from a prototype of the object into the image. The deformation could be a simple 2D affine map or a more detailed nonlinear map. The object itself may have different degrees of variability. It may be a rigid 2D object, such as a fixed computer font or a 2D view of a 3D object, or it may be a highly deformable object, such as the left ventricle of the heart. All these are considered object-detection problems, where detection implies identifying some aspects of the particular way the object is present in the image—namely, some partial description of the object instantiation.



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