odroid u3

used, the meaning is: each point to save a 8bit brightness value (that is, Y value), each 2x2 point to save a Cr and CB value, the image in the naked eye does not feel much change. Therefore, the original use of RGB (R,g,b are 8bit unsigned) model, 4 points need to 8x3=24 bites (such as the first figure). Now only 8+ (8/4) + (8/4) =12bites is required, averaging 12bites per point, which compresses half the image's data.The above only gives a theoretical example, in the actual data storage is li

value), each 2x2 point to save a Cr and CB value, the image in the naked eye does not feel much change. Therefore, the original use of RGB (R,g,b are 8bit unsigned) model, 4 points need to 8x3=24 bites (such as the first figure). Now only 8+ (8/4) + (8/4) =12bites is required, averaging 12bites per point, which compresses half the image's data.The above only gives a theoretical example, in the actual data storage is likely to be different, the following gives several specific storage forms:(1)

The main sampling formats are YCbCr, and YCbCr. YCbCr is commonly used. It means that each vertex stores an 8-bit brightness value (that is, the Y value), and each 2x2 points stores a Cr and CB value, the image does not feel much changed to the naked eye. Therefore, the original RGB (R, G, and B are all 8bit unsigned) models, 4 points require 8x3 = 24 bites (such as the first figure ). now, we only need 8 + (8/4) + (8/4) = 12 bites, and each point occupies 12 bites on average (such as the second

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, and YCbCr 4:4:4. Which YCbCr 4:1:1 more commonly used, the meaning is: each point to save a 8bit brightness value (that is, Y value), each 2x2 point to save a Cr and CB value, the image in the naked eye of the feeling will not be too big changes. Therefore, the original use of RGB (R,g,b are 8bit unsigned) model, 4 points need to 8x3=24 bites (the first diagram below). And now only need 8+ (8/4) + (8/4) =12bites, an average of 12bites per point, so that the image of the data compression half.

= new ArrayList (); User U1 = new user (); U1.setname ("Jack"); U1.setage (a); U1.setsex ("male"); User U2 = new user (); U2.setname ("Tom"); U2.setage (+); U2.setsex ("female"); User U3 = new user (); U3.setname ("Rose"); U3.setage (+);

+---------+| DB1 |+---------+--Create user and authorizeSqlplus/as SYSDBACreate user U1 identified by U1 account unlock default tablespace USERS;Create user U2 identified by U2 account unlock default tablespace USERS;Grant Connect,resource to U1;Grant Connect,resource to U2;Grant create public synonym to U2;Grant Select on U1.t1 to U2;Grant Select on U1.t2 to U2;--U1 Creating a Test tableCREATE TABLE T1 as select * from Scott.emp;CREATE TABLE t2 as select * from Scott.dept;--U2 Creating a Test t

packaged separately, shared between the service provider and the consumer)The following example is good, written in detail can be a model.[HTML] Package com.unj.dubbotest.provider; Import java.util.List; Public interface Demoservice { String SayHello (string name); Public List getusers (); } implementing interfaces in the service provider: (Hidden implementations for service consumers)[HTML] Package com.unj.dubbotest.provider;

deletion(The Cascade property indicates what action to make when the associated object is bound together.)Test: Modify the @manytoone annotation on the Getgroup () method of the user class to @manytoone (Cascade= (Cascadetype.all)), and then comment out S.save (g) in the code block above, Run the program to discover that the group will be automatically saved to the database by hibernate.2.We save the user, the associated group hibernate will help us to deposit, if we save group, the associated

("getUsersByNameAndAge () is being executed ().. "); return new User (name, age) ;}@ Cacheable (" users2 ") @ Override public User getAnotherUser (String name, int age) {System. out. println ("executing getAnotherUser ().. "); return new User (name, age );}} Use the following test code, Public static void test2 () {ApplicationContext ctx = new ClassPathXmlApplicationContext ("beans. xml "); UserService us = ctx. getBean ("userService", UserService. class); // The method will be executed for the

% four pixels: [Y0 U0 V0] [Y1 U1 V1] [Y2 U2 V2] [Y3 U3 v3]%% stored stream: [Y0 U0 V0] [Y1 U1 V1] [Y2 U2 V2] [Y3 U3 V3 ]%% mapped pixels: [Y0 U0 V0] [Y1 U1 V1] [Y2 U2 V2] [Y3 U3 v3]if YUV444_OUT_YUV = = YES filename = [filestr ' _444.yuv ']; fid= fopen (filename, ' WB '); Fwrite (fid,yuvimout, ' uint8 '); Fclose (FID); Disp (' Yuv444_out_yuv YE

("Tom"); U2.setage (21st); U2.setsex (Female); User U3=NewUser (); U3.setname ("Rose"); U3.setage (19); U3.setsex (Female); List.add (U1); List.add (U2); List.add (U3); returnlist; } } To declare an exposure service with spring configuration: