..:: Skillfully use CSS to make WordArt::.We can get a lot of unexpected effects if we apply the features and combinations of CSS filters flexibly. This is a number of effect demonstrations for your reference. Western ElectronicsWith the effect of the blur filter, the code is as follows:Filter:blur (direction=135,strength=8) Western ElectronicsWith the effect of the DropShadow filter, the code is as follows:Filter:dropshadow (color= #B4BBCF, offx=6,offy=6,positive=1) Western ElectronicsWith the
= #B4BBCF, strength=5)
West Electronic
This effect uses two filters: Shadow and Alpha, and the code is as follows: Filter:alpha (opacity=100,finishiopacity=0,style=1) Shadow (color= #8C96B5, direction=135)
West Department Electronic
: DefaultSample: -- ipratio 1.30
-- Chroma-QP-offset Note: The QP difference between chroma and Luma will be automatically adjusted to-2 with the use of -- psy-RdRecommended Value: DefaultExample: -- chroma-QP-offset 0
-- AQ-mode -0: Disabled-1: variance AQ (complexity mask)Note: The adaptive quantization method can improve the problem of over-blur in some scenar
What if the video card is not lit after 0d?
1, graphics card 0d not bright
(a) The measurement of chroma video memory A-line waveform, such as waveform, and then the waveform of the crystal, crystal Waveform, the main chip bad crystal no waveform, and then test the crystal two feet voltage, voltage is crystal bad, no voltage is the main chip bad.
(B) such as chroma video memory without waveform, measurin
the recognition of color, the light is decomposed into a solid color mode of three primary colors by means of a light filter and a spectrophotometer. Then the solid color brightness of the three primary colors is collected, and then the signal is superimposed to realize the acquisition ability of the color signal.How is the color signal expressed?Because the original black and white, basically only need a signal to restore the image (synchronous signal behind). But with color, can the signal ex
half that of the luminance channel, so the chroma sampling rate in the horizontal direction is only half of the 4:4:4. For uncompressed images of 8-bit quantization, the macro pixel of each pixel that consists of two horizontal orientations is required to occupy 4 bytes of memory (2 bytes in brightness, two pixels per 1 bytes). .
The following four pixels are: [Y0 U0 V0] [Y1 U1 V1] [Y2 U2 V2] [Y3 U3 V3]
The stored stream is: Y0 U0 Y1 V1 Y2 U2, Y3 V3
rate: Frames per second
3. Spatial sampling
Spatial sampling of two-dimensional digital video image
4. Digital Video System
Acquisition
Camera, Camera
Processing
codecs, transmission devices
Show
Display
5. Human visual system Hvs
Hvs
Eyes
Neural
Brain
Hvs Features:
Insensitive to high frequency information
More sensitive
Http://blog.sina.com.cn/s/blog_6b8ccd230102drw0.htmlChromaticity is the science of studying human's color vision law, color measurement theory and technology, and it is a comprehensive science based on physical optics, visual physiology, visual psychology, psychological physics and so on, which developed in this century. (This paper focuses on the theoretical, artistic use for reference only, art workers can choose.) )Chroma studyDepending on the fund
s terminal is also a very common terminal, its full name is separate video, also known as SUPER video. S-video Connection specification is a specification developed by the Japanese, s refers to the "separate (separation)", which separates the brightness and chroma from the output, avoiding the interference of brightness and chroma when the mixed video signal is output. The S-terminal is actually a five-core
In the H264 standard, the core of the coding layer is the macro block, a macro block size of 16x16, a 16x16 brightness block, and two 8x8 chroma blocks for commonly used 4:2:0 sampling formats. corresponding to the similar structure in HEVC is the coding tree Unit (CTU), its size can be specified by the encoder, the maximum can be supported to 64x64, the minimum can be supported to 16x16. For high-resolution video encoding, using a larger size of CTU
Better articles to collect links:https://www.douban.com/note/76361504/Http://blog.sina.com.cn/s/blog_a85e142101010h8n.htmlHere is what I pasted from the link article, convenient for me to query."1"RGBRGB (red-green-blue) is defined by the color of the human eye recognition of the space, can represent most of the color. However, in scientific research, the RGB color space is generally not used because its details are difficult to adjust digitally. It will be tonal, brightness, saturation of three
, filters are often used to filter the pixels at the block boundary to smooth out the mutation of the pixel value, which is called a de-block filter (deblocking filter).The content of the block filter is specified in the Standard 8.7 section, which is called the Loop filter. Loop filter is placed in the decoded image reconstruction loop. In a codec environment where loop filtering is enabled, both the encoder and the decoder are filtered after the image has been reconstructed. In the encoder, th
To the photographic enthusiasts to share a detailed analysis of the Canon 7D camera test High speed noise of the tutorial.
Tutorial Sharing:
"High speed noise" refers to the high ISO sensitivity when shooting a variety of noise, it can be measured by the number of high ISO sensitivity of the practicality. How can EOS 7D control these noises and use the "high ISO speed noise reduction function" (NR) to what extent does it reduce noise? The following will be validated under ISO sensitivity.
Tes
A. JPEG compression process
JPEG compression is implemented in four steps:
1. Color mode conversion and sampling;
2.DCT transform;
3. Quantification;
4. Code.
Two.
1. Color mode conversion and sampling RGB color system is our most common way of representing color. JPEG uses the YCbCr color system. To use the JPEG basic compression method to process Full-color images, you must first convert the RGB color pattern image data to YCbCr color mode data. Y represents brightness, CB and CR represent
The characteristics of H .
The 4:2:0 supports encoding and decoding of continuous or interlaced video. The basic concept of H .
1. Macro BlockIn video coding, an encoded image is usually divided into a number of macro blocks , a macro block consisting of a luminance pixel block and an additional two chroma pixel blocks . In general, the luminance block is a 16x16-sized block of pixels, and the size of the two chr
Forum, The digital display interface standard is established.DVI Digital terminal than the standard VGA terminal signal is better, the digital interface to ensure that all content in digital format transmission, to ensure that the host to monitor the transmission of data integrity (no interference signal introduction), you can get a clearer image.Standard video input (RCA) interface: Also known as AV interface, usually is a pair of white audio interface and yellow video interface, it is usually
macro pixel consisting of two pixels adjacent to each other horizontally requires 4 bytes of memory (2 bytes of brightness, two shades per 1 bytes). .The following four pixels are: [Y0 U0 V0] [Y1 U1 V1] [Y2 U2 V2] [Y3 U3 V3]The stored stream is: Y0 U0 Y1 V1 Y2 U2 Y3 V3Mapped pixel points: [Y0 U0 V1] [Y1 U0 V1] [Y2 U2 V3] [Y3 U2 V3](3) YUV 4:1:1The chroma sampling of the 4:1:1 is a 4:1 sampling of the chroma
:: Getimageindex-Gets the index of the currently active imageImagick:: Getimageinterlacescheme-Get an interlaced plan for the imageImagick:: Getimageinterpolatemethod-Return interpolation methodImagick:: getimageiterations-Get an image iterationImagick:: Getimagelength-Returns the length of the image, in bytesImagick:: Getimagemagicklicense-Returns a string that contains the ImageMagick licenseIf the image has a mask channel Imagick:: Getimagematte-backImagick:: Getimagemattecolor-return image m
imageImagick:: Getimageindex-Gets the index of the currently active imageImagick:: Getimageinterlacescheme-Get the image of an interlaced scan planImagick:: Getimageinterpolatemethod-Return interpolation methodImagick:: getimageiterations-Get image iterationsImagick:: Getimagelength-Returns the length of the image (in bytes)Imagick:: Getimagemagicklicense-Returns a string containing the license for ImageMagickIf the image has a mask channel Imagick:: Getimagematte-ReturnImagick:: Getimagemattec
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