d7100 image quality

The perfect picture is no longer far away from us-Analysis of Anti-sawtooth Technology No matter how perfect the current game screen is, how real the people and environment are, the main way the game screen is made up is still not improved: A frame consists of thousands of pixels. This means that the contour of the polygon is eventually a jagged image. Therefore, the image

problems, and Libjpeg's code has withstood the more than 10-year test, robust and efficient. But a lot of people overlook this, that is, this explanation was written more than 10 years ago, for the time computing equipment, space and time consumption may be significant, but to this day, it seems to be no longer a problem, on the contrary, We should think more about the quality of the images (better display technology) and the size of the pictures (mo

This article mainly introduces the ThinkPHP watermark function to fix PNG transparent watermarks and increase the JPEG image quality adjustable, including modifying the multi-layer watermark setting code, the modified part is described in more detail in the annotations, which is of great practical value, for more information about how to use the ThinkPHP watermark function to fix PNG transparent watermarks

, $ img_height, $ max_width, $ max_height); // New Image size // print_r ($ new_img_size ); // die ('test'); $ img_func = ''; // Function name $ img_handle =''; // Image handle $ thum_handle = ''; // skip graph image handle switch ($ img_extension) {case 'jpg ': $ img_handle = imagecreatefromjpeg ($ img_name); $ img_func = 'imagejpeg'; break; case 'jpeg ': $ img_

TP comes with an image class and can be used to add watermarks to an image.Here we have improved:1. PNG watermark transparency2. Adjust the watermark quality (only in JPG format)The Code is as follows:Red indicates the original systemGreen indicates the modified/**+ --------------------* Add a watermark to an image+ --------------------* @ Static public+ --------

($ img_infos [2]) {Case 1:$ Img_extension = 'gif ';Break;Case 2:$ Img_extension = 'jpeg ';Break;Case 3:$ Img_extension = 'png ';Break;Default:$ Img_extension = 'jpeg ';Break;}$ New_img_size = get_thum_size ($ img_width, $ img_height, $ max_width, $ max_height); // new image size// Print_r ($ new_img_size );// Die ('test ');$ Img_func = ''; // function name$ Img_handle = ''; // image handle$ Thum_handle = '

Asp.net image quality compression (without changing the size ), Private static ImageCodecInfo GetEncoderInfo (String mimeType){Int j;ImageCodecInfo [] encoders;Encoders = ImageCodecInfo. GetImageEncoders ();For (j = 0; j {If (encoders [j]. MimeType = mimeType)Return encoders [j];}Return null;} /// /// Image compression (reduce the

This article illustrates the method of thinkphp watermark to fix PNG transparent watermark and increase the quality of JPEG image. Share to everyone for your reference. The implementation methods are as follows: TP comes with the picture class, has the function which adds the watermark to the picture.Here the perfect:1. PNG Watermark Transparent2. Quality adjust

Introduce a picture amplification technique. This technique is said to be able to increase the digital camera image to the entire poster size, but with the naked eye can hardly see the quality of the image. Is that so? We might as well try it together. 1, start Photoshop, and then open a picture. 2, select the "Image