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浏览/检索结果: 共2条，第1-2条 帮助 限定条件 专题：长春光学精密机械与物理研究所    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Analysis of distributed detection range changes caused by infrared system self-thermal radiation 期刊论文 Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, 2023, 卷号: 52, 期号: 3 作者:  B. Li;  L. Liu;  W. Xu;  W. Zeng;  H. Hu 收藏  |  浏览/下载：1/0  |  提交时间：2024/07/03 Auto-focusing evaluation functions in digital image system (EI CONFERENCE) 会议论文 2010 3rd International Conference on Advanced Computer Theory and Engineering, ICACTE 2010, August 20, 2010 - August 22, 2010, Chengdu, China Cao D.; Gao Y.; Li H. 收藏  |  浏览/下载：14/0  |  提交时间：2013/03/25 Evaluation function is an important item to measure the quality of images in auto-focusing systems. This paper introduces four categories of evaluation functions which are respectively based on gradient  correlation  statistics and transform. These functions formally differ from each other and their performances are not consistent when dealing with different images. The same function also performs different when the processed images have different characteristics. Five commonly used functions from the four categories are verified and compared under different circumstances in order to validate their performances. The result provides references for variety of selections in the practical application. 2010 IEEE.