在H.264 中,变换系数的读出方式也有两种:之字形(Zig-Zag) 扫描和双扫描(Double Scan),如图 2-5 所示。大多数情况下使用简单的之字形扫描; 双扫描仅用于使用较小量化级的块内,有助于提高编码效率。
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EFFIO-P摄像机采用SONY最新技术传感器,支持并配合(Double Scan)CCD双扫描。具有(Wide Dynamic Range)真正宽动态功能,在背光及亮度极反差极大的环境下也能呈现清晰的画面。
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Double-scan 双速扫描
double scan method 二次扫描法
precast double-scan box structure 预制双跨箱形结构
double scan color graphics adapter 下采样
adapter double-scan color graphics 双扫描图像配接器
double line scan 双扫描行
double phase scan 炎双期扫描
double rotating scan 双回转扫描
double-wavelength scan 双波长扫描
The device of microcomputer scan test and the sequence record of accident is a double microcomputer system consisted of TRS-80 microcomputer and a SC-801 single board computer.
微机巡捡与事故顺序记录装置采用了TRS—80微型计算机与SC—801单板机组成的双微机系统。
Conclusion Hypotonic double contrast examination combined with CT scan, it is very helpful to improve the diagnostic and differential ability of gastric leiomyosarcoma.
结论胃低张双重造影和CT扫描密切结合,对提高胃平滑肌肉瘤的诊断和鉴别诊断很有帮助。
Methods 16 cases of CT flat esau nasopharyngeal carcinoma patients with suspected by nasal CT scan imaging, read a slice in a double-blind manner.
方法对16例CT平扫疑似鼻咽癌患者进行经鼻腔造影CT扫描,阅片采用双盲法。
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