Abstract: A focus detection apparatus and a method thereof are provided. In the method, a medical image is obtained. Size of a target focus and a sliding window are determined, and side length of the sliding windows is at least twice the side length of the target focus. The medical image is scanned through the sliding window, and a stride which the sliding windows moves each time is not greater than the side length of the target focus. At least one area of interest is obtained based on the scan result. Then, the area of interest is identified based on machine learning techniques, and perform candidate aggregation and multiple size aggregation to determine at least one focus position. Accordingly, the computational time and the detection accuracy can be improved.

Abstract: A focus detection apparatus and a method thereof are provided. In the method, a medical image is obtained. Size of a target focus and a sliding window are determined, and side length of the sliding windows is at least twice the side length of the target focus. The medical image is scanned through the sliding window, and a stride which the sliding windows moves each time is not greater than the side length of the target focus. At least one area of interest is obtained based on the scan result. Then, the area of interest is identified based on machine learning techniques, and perform candidate aggregation and multiple size aggregation to determine at least one focus position. Accordingly, the computational time and the detection accuracy can be improved.

Abstract: The present invention provides a method for manufacturing a compound heat sink. Firstly, providing an artificial graphite sheet, and then performing a surface treatment process on the artificial graphite sheet to form a rugged structure on the artificial graphite sheet as a first embedding structure. Finally, forming a metal layer covering the rugged structure, and performing a pressing bonding process to form a second embedding structure corresponding to the first embedding structure to bond the metal layer and the artificial graphite sheet. Namely, the artificial graphite sheet and the metal layer are bonded by the first and second embedding structures for increasing the bonding strength between two heterogeneous materials as well as reducing the interfacial heat resistance. Thereby, the stability of heat dissipation performance can be improved, and a volumetric heat capacity of the compound heat sink from 1.1 to 3.5 J/(cm3·K) is provided.

Abstract: The present invention provides a compound heat sink, mainly comprising a graphite layer and a metal layer. The graphite layer has a first embedding structure on a surface; the metal layer has a second embedding structure on a surface and corresponding to the first embedding structure. The graphite layer and the metal layer are bonded by the first and second embedding structures for increasing the bonding strength between two heterogeneous materials as well as reducing the interfacial heat resistance. Thereby, the stability of heat dissipation performance can be improved.