image character的用法和樣例：
例句
- Image Analysis in Terms of Characteristic Parameters and Its Application in Placenta Grading.
圖像特征參量分析方法及其在胎盤(pán)分級中的應用。 - The watermark consists of a pseudorandom sequence and its strength is modulated according to the local image characteristics.
水印為二值偽隨機序列，其強度可通過(guò)局部圖像特征來(lái)調節。
