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HF-1b, an SP1-related transcription factor, is preferentially expressed in the cardiac conduction system and ventricular myocytes in the heart. Mice deficient for HF-1b survive to term and exhibit normal cardiac structure and function but display sudden cardiac death and a complete penetrance of conduction system defects, including spontaneous ventricular tachycardia and a high incidence of AV block...
This paper presents two new evaluation methods for edge detectors. First is non-contextual and concerns the evaluation of edge detector performance in terms of detection errors. The second contextual method evaluates the performance of edge detectors in the context of image reconstruction. Both methods study the influence of image characteristics and edge detector properties on detector performance...
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