Embedded the watermark information into intermediate frequency in the DCT-based watermark algorithm. Improved the DCT transform speed by using FDCT instead of DCT. Quantized the frequency coefficients by using quantized table made from mentality visual threshold.

  • 在基于DCT的数字水印算法中利用FDCT变换实现DCT变换,大大提高了变换速度,为了得到中频系数采用了依据心理视觉阈值制作的量化表对频率域系数进行量化。
  • 来源:互联网摘选更新时间:2025-01-20 17:20:24

  • 重点词汇
  • FDCT[医][=Franck's drawing completion test]弗兰克(氏)绘图完成测验,弗兰克(氏)绘图填充测验;
  • thresholdn.门槛,入口,开始,阈;[物理学]阈值;阀值;临界值;<英>级限协定;[航空学]跑道入口;
  • instead of(用…)代替…, (是…)而不是…, (用…)而不用…;
  • DCT离散余弦变换;
  • intoprep.进入,到…里面;朝,向;撞上,碰上;到(一段时间的某一点);成为;关于,涉及;〈数〉除,乘;(穿)上,(换)上;(说服某人)去做……;(分)成,(撕)成;(撞)上,(碰)上;到达;
  • quantizedv.使……量子化;分层;把连续量转换为数字;取离散值
  • byprep. 在…旁边;表示方式;由于;经过;到…之前;
  • speed by飞驰而过,掠过;
  • 相关例句
1、

Watermark embedding module is embedded in FDCT circuit to reduce data latency.

将水印嵌入模块嵌入到FDCT电路中,充分利用FDCT电路数据转置输出的时间,减少了数据的延迟时间,使FDCT电路的输出数据即为嵌入水印后的频域系数。

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2、

An Assembly Optimization Algorithm of Scan Quantization and FDCT Based on VLIW

基于VLIW的汇编级FDCT和扫描量化优化算法

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3、

LPN Path Planning Method Based on Dynamic Information Model

基于动态信息模型的LPN路经规划方法

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4、

This method is simple in calculation and fast in search velocity, which proves quite effective through simulation test.

该算法计算简单,搜索速度快,通过仿真试验发现,用该方法规划的路经取得了比较好的效果。

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5、

The main approaches to protecting women rights include: improve their educational levels, economic status, technique experiences and medical care;

保障妇女权益的主要路经是:提高妇女的教育层次、经济地位、技术经验和卫生保健水平;

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6、

Clinical application of submandibular endotracheal intubation for treatment of patients with maxillofacial fractures

下颌下径路经口气管内插管在颌面部骨折治疗中的应用

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7、

A Clinical Study of Pituitary Adenoma Resection by Trans-single Nostril Transsphenoidal Approach

显微镜下单鼻孔入路经蝶垂体瘤切除术临床研究

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8、

A Biomechanical Cadaver and Three Diamensional Finite Element Study of MIPO in the Treatment to Middle Tibial Fracture

微创入路经皮钢板治疗胫骨中段骨折的生物力学研究及三维有限元分析

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9、

We came to say hello as we were passing through.

我们路经此镇,顺便来看看你。经历;经过;

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10、

The crusaders travelled through Venice on their return from the campaign and left behind them many of their spoils.

因为十字军战罢归来路经威尼斯时留下了许多战利品。

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11、

Else code block is a simple logical crossroad that helps show why the test would fail or pass if one path and not another is taken, according to test expectations.

else代码块是一个简单的逻辑分支,根据测试期望说明选取一条路经而不是另一条路经之后测试将失败(或通过)的原因。

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12、

I spent a few days in New York and in Los Angeles.

我是访问南美的时候,路经美国,在纽约、洛杉矶都住过几天。

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13、

Objective To explore the puncture technic and method of the transabdominal L5/ S1 lumbar diskectomy ( TALD).

目的探讨前入路经腹L5/S1椎间盘髓核摘除术(TALD)的穿刺技术和方法。

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14、

Palestinian official said that the Palestinian was shot while passing by the settlement.

巴安全官员说,这名巴勒斯坦人是路经定居点时被打死的。

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15、

TEM Observation of Crack Propagating Path in A Ce-TZP Ceramics

Ce-TZP陶瓷材料中裂纹扩展路经的TEM观察

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16、

After China became the semi-colonial and semi-feudal society, the development of Chinese society has experienced tremendous difficulties.

自从中国沦为半殖民地半封建社会以后,中国社会的发展虽然路经多歧,千回百折,但总方向是与世界日益接轨,向着近代化的目标艰难而又不可阻挡地前进。

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17、

Beutiful bag, eyes will be on you because this is limited edition.

把这款美丽的包提在手上,所有路经的眼光都会投向你,因为这是限量版。

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18、

Pass query is to provide visitors the best spots to a certain path, which is mainly linked to car rental.

路经查询是给游人提供去某景点的最佳路径,这主要是和汽车租赁联系在一起的。

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19、

As they came to the first houses the Wolf began to suspect that he had been tricked.

当他们路经第一片房子时,狼开始怀疑自己是否上当了。

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20、

The scientific development view has pointed out the direction and way for the development of China's economy.

为了达到共同富裕的发展。它为我国经济的发展指明了方向和路经。

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