This paper presents a novel method to detect three types of abnormal Red Blood Cells (RBCs) called Poikilocytes in Iron deficient blood smears. Classification and counting the number of Poikilocyte cells is considered as an important step for the automatic detection of Iron Deficiency Anemia (IDA) disease. Dacrocyte, Elliptocyte and Schistocyte cells are three essential Poikilocyte cells that are prevalent in IDA. The suggested cell recognition approach includes preprocessing, segmentation, feature extraction and classification steps. Classification is done by using three distinct classifiers including Neural Network (NNET), Support Vector Machine (SVM) and K-Nearest Neighbor (KNN) classifiers. Finally, the output of all of the three classifiers are used via Maximum Voting theory to choose the proper class. In maximum voting theory, the class that receives the maximum number of votes is chosen as the final predicted class of a sample cell. In this paper, the accuracy of the proposed method is %99, %97 and %100 for detecting Dacrocyte cells, Elliptocyte cells and Schistocyte cells, respectively.
The emerging 4D-imaging automotive MIMO radar sensors necessitate the selection of appropriate transmit waveforms, which should be separable on the receive side in addition to having low auto-correlation sidelobes. TDM, FDM, DDM, and inter-chirp CDM approaches have traditionally been proposed for FMCW radar sensors to ensure the orthogonality of the transmit signals. However, as the number of transmit antennas increases, each of the aforementioned approaches suffers from some drawbacks, which are described in this paper. PMCW radars, on the other hand, can be considered to be more costly to implement, have been proposed to provide better performance and allow for the use of waveform optimization techniques. In this context, we use a block gradient descent approach to design a waveform set for MIMO-PMCW that is optimized based on weighted integrated sidelobe level in this paper, and we show that the proposed waveform outperforms conventional MIMO-FMCW approaches by performing comparative simulations.
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