It targets all aspects of JPEG quality including sharpness, noise, and color integrity.
它的目标包括清晰度，噪音，完整性和色彩的所有JPEG品质方面。
It embeds the watermark bits on the DC of the DCT transform coefficients, for most JPEG quality factor, the method is proved to be robust and effective.
通过对图像做仿jpeg流程的处理，在DCT变换的直流系数上嵌入水印，对于各种常用的JPEG压缩量化因子，可以得到良好的水印嵌入效果。
Of course, you can't say that GIF and JPEG are dead or that PNG doesn't have its disadvantages, but all things being equal, PNG provides good quality with an optimal file size.
当然，您可以说GIF和JPEG已经消亡，或者PNG没有任何缺陷，但是所有事物都有各自的优缺点，PNG以最佳的文件大小提供了出色的质量。
Select the quality level for the slide: Low (8-bit), Optimized, JPEG, and High Quality.
选择幻灯片的质量等级：低（8位）、最佳化、JPEG和高质量。
Because of the orthogonal reconstructing method, the quality of reconstructed image can be greatly improved and the progressive image transmission also becomes possible compared to JPEG algorithm.
相对于JPEG算法，该方法使重建图像的质量得到显著提高，同时也使得逐步重建图像成为可能。
The new still image compression standard, JPEG2000, provides higher compression rates for the same visual quality for gray scale and color images than JPEG.
JPEG2000是一种新的静止图像压缩标准，与JPEG相比，对于具有同样视觉质量的灰度等级图像和彩色图像，JPEG2000能提供更高的压缩率。
The reconstructed images are recognizable at low bit rate and their quality are better than JPEG at any bit rate.
而在相同的比特率下，重构图象的质量一致优于JPEG标准。
Experimental results show that the presented scheme can gain a stego-image which is superior to its JPEG version in quality, and possesses a capability of withstanding the statistical analysis.
实验结果表明，用该方案隐写所得到含密图像不仅在质量上优于其对应的JPEG压缩版本的质量，而且具有一定的抗分析安全性。
Experimental results show that the proposed algorithm keeps the quality of the image well and is robust enough to JPEG compression, noise, filtering, image scaling, image enhancement etc.
仿真试验结果表明该水印系统不仅较好地保持了图像的质量，而且对JPEG压缩、噪声污染、滤波、图像剪切等操作都显示了较强的鲁棒性。
Both of these menu otpions create an output JPEG file from your working image, but they differ in both the available options, flexibility and representation of JPEG compression quality.
两种保存方式都可以输出jpeg格式图片，但两种方式在jpeg压缩质量的选项、灵活度和表现上有所区别。
How to rotate a JPEG file on Android without losing quality and gaining file size?
如何旋转一个JPEG文件在Android不失去质量和获得文件的大小？
Repair low-quality JPEG images.
修复低质量的JPEG图像。
The detection algorithm can expose various kinds of JPEG image forgeries and it is more effective for small difference quality factor between the doctored area and undoctored area's JPEG images.
检测算法能有效地检测出多种篡改类型的JPEG图像，且对篡改区域和未篡改区域压缩因子相差较小的JPEG合成类篡改，检测正确率更高。
The detection algorithm can expose various kinds of JPEG image forgeries and it is more effective for small difference quality factor between the doctored area and undoctored area's JPEG images.
检测算法能有效地检测出多种篡改类型的JPEG图像，且对篡改区域和未篡改区域压缩因子相差较小的JPEG合成类篡改，检测正确率更高。
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