CN107197171A - A kind of digital photographing processing method for adding intelligence software light source - Google Patents
A kind of digital photographing processing method for adding intelligence software light source Download PDFInfo
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- CN107197171A CN107197171A CN201710482260.0A CN201710482260A CN107197171A CN 107197171 A CN107197171 A CN 107197171A CN 201710482260 A CN201710482260 A CN 201710482260A CN 107197171 A CN107197171 A CN 107197171A
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- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 11
- 238000009877 rendering Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000012512 characterization method Methods 0.000 claims description 4
- 241001517610 Funa Species 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000289 photo-effect Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Abstract
The invention discloses a kind of digital photographing processing method for adding intelligence software light source, obtain video flowing two field picture, user inserts software light source in viewing area specified location, system obtains image-region color value automatically, extract (r, g, b) component, scope is rendered according to light source parameters calculating and brightness is superimposed.The present invention can add one or more software light sources to video arbitrary region (quantity is not limited in theory), and the parameters such as light direction F, lamplight brightness B, light range R, light color C can be set, designated area brightness intelligently, accurately can be rendered according to lighting programmers, reach raising digital photographing image quality purpose；When outside physical light-source can not meet digital photographing condition, addition polytype light source can be realized by software, the parameters such as light direction, range and brightness are adjusted, realize that carrying out intelligence to video image designated area renders, so as to improve photo image quality.
Description
Technical field
The invention belongs to digital photographing processing technology field, more particularly to a kind of digital photographing for adding intelligence software light source
Processing method.
Background technology
At present, it is ripe by computer progress portrait digital photographing technology, and application is widely.Specialty takes pictures one
As in film studio carry out, film studio be provided with specialty light source, generally require each 1 of king light, auxiliary lamp, floor-lamp, ceiling light, background
1 to 2, lamp.This lighting mode makes image light soft, and exposure is uniform, can remove pouch, eliminate nasal fossa shade, make one picture
More aestheticism.In specific photographing operation, particularly some colleges and universities, middle and primary schools, office, enterprises and institutions are gathered in high-volume
During photo, often because of the film studio without specialty, and time is pressing, typically selection office, meeting room are used as bat on the spot
According to place, the fluorescent lamp or near the window, passageway scattered light at the top of room are relied on as light source, because light source is unbalanced, is taken pictures
When, it is excessive, not enough or unbalance portrait partial exposure usually occur, and final photo effect is have impact on to a certain extent.
In summary, there is light source when high-volume gathers photo at present unbalanced, portrait partial exposure occur excessive, not enough
Or it is unbalance, influence final photo effect.
The content of the invention
It is an object of the invention to provide a kind of digital photographing processing method for adding intelligence software light source, it is intended to solves mesh
There is light source during preceding high-volume collection photo unbalanced, it is excessive, not enough or unbalance portrait partial exposure occur, influences final photo
The problem of effect.
What the present invention was realized in：Capture in real time in the window and show camera video image, select light sources in light source bank, drag
Specified light source is moved to video specified location, system will be rendered to give tacit consent to light source parameters in the position to video, user Ke Tong
Cross mouse or menu is modified to light source parameters, system is carried out according to the amended light source parameters of user are real-time to video image
Render.
Further, the addition intelligence software light source is mainly included the following steps that：
Step one, light sources in light source bank is set up：That is dynamic light source array, each array element represents a light source, each light source tool
There are the attributes such as position P, direction F, brightness B, range R, color C；
Step 2, obtains video flowing two field picture in real time；
Step 3, light source management；
1st, light source is added：A light source is selected in light sources in light source bank, visual windows specified location is dragged to, that is, completed
The addition of software light source (now, in visual windows display light source characteristic image thumbnail)；
2nd, mobile light source：The position hot-zone set up in light source image region, dragging mouse in the region can be intuitively complete
The movement of paired light source position；
The 3rd, light source parameters are set：
Method one：Pass through right button menu：The parameter exact numericals such as set location P, direction F, brightness B, range R, color C；
Method two：Pass through mouse action：Parameter hot-zone is set up in light source image region：Including direction F hot-zones, brightness B heat
Area, range R hot-zones, parameter setting can intuitively be completed by dragging associative operation bar in hot-zone by mouse；
4th, light source is deleted：Needs are balanced according to video image brightness, unnecessary light source can be deleted, it is to delete dynamic to delete water source
Element is specified in light source array；
Step 4, travels through list of light sources, and carrying out brightness to two field picture according to light source parameters renders：Obtain image-region color
Original value, extracts (r, g, b) component；Wash with watercolours is calculated according to parameters such as light source position P, brightness B, range R, direction F, light color C
The color value that should be superimposed after dye simultaneously extracts its color component (r, g, b), by the synchronous superimposed light of (r, g, b) component of original color value
(r, g, b) of source rendered color value, you can show final rendering effect pattern in real time in viewing area；
Step 5, take pictures preservation when, in real time obtain video flowing two field picture, carry out brightness render and preserved.
Further, the encryption method of the video flowing two field picture comprises the following steps：
Step 1: defining random function funA, according to the length of video file, generation is some to random integers (x, y), deposits
Enter in set S { }, and set S is saved in database in corresponding video file attributes field, control generation video-encryption
The Y value of file size<10；
Step 2: reading video file stream by byte, the information from database according to video file reads the collection of deposit
S { } is closed, all random numbers pair are obtained；
Step 3: according to data to (x, y), the X position in file stream writes the random string of Y length, by file
In stream write-in encrypted video file stream；
Step 4: repeat step three, until file read-write is completed.
The digital photographing processing method for the addition intelligence software light source that the present invention is provided, can be to video arbitrary region addition one
Individual or multiple software light sources (quantity is not limited in theory), and light direction F, lamplight brightness B, light can be set to penetrate respectively
Journey R, light color C etc., intelligence can be needed according to picture, accurately designated area brightness is rendered, reach improve digital photographing into
As quality purpose；When outside physical light-source can not meet digital photographing condition, addition polytype can be realized by software
Light source, adjusts the parameters such as light direction, range and brightness, realizes that carrying out intelligence to video image designated area renders, so as to carry
High photo image quality.
Brief description of the drawings
Fig. 1 is the digital photographing process flow figure of addition intelligence software light source provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in figure 1, it is provided in an embodiment of the present invention addition intelligence software light source digital photographing processing method include with
Lower step：
S101：Set up light sources in light source bank；
S102：Video flowing two field picture is obtained in real time；
S103：Software light source is managed；Software light source is added, software illuminant characterization image thumbnails are loaded in viewing area；
Mobile light source；Light source parameters are set：Position P, direction F, brightness B, range R, color C parameters；Delete light source；
S104：List of light sources is traveled through, carrying out brightness to two field picture according to light source parameters renders；
S105：Take pictures preservation when, in real time obtain video flowing two field picture, carry out brightness render and preserved.
In step s 103:Light source parameters are set：(1) completed by the related hot-zone action bars of mouse drag；(2) pass through
Right button menu is configured.
The encryption method of the video flowing two field picture comprises the following steps：
Step 1: defining random function funA, according to the length of video file, generation is some to random integers (x, y),
It is stored in set S { }, and set S is saved in database in corresponding video file attributes field, control generation video adds
The Y value of close file size<10；
Step 2: reading video file stream by byte, the information from database according to video file reads the collection of deposit
S { } is closed, all random numbers pair are obtained；
Step 3: according to data to (x, y), the X position in file stream writes the random string of Y length, by file
In stream write-in encrypted video file stream；
Step 4: repeat step three, until file read-write is completed.
The application principle of the present invention is further described with reference to specific embodiment.
The digital photographing processing method of addition intelligence software light source provided in an embodiment of the present invention comprises the following steps：
1st, light sources in light source bank is set up
public static ArrayList Lamps；// dynamic light source structural array:The light source loaded
Wherein：Light source serial number numbering flowing water such as 1,2,3 ...；The entitled mark to light source of light source, to multiple light sources
It is easy to identification；Light source image is characterized picture, such as bulb, the sun ...；Point coordinates centered on light source center position；Light source is former
Beginning size is the actual size of light source picture；Light source shows that scaling is Zoom display in the window, is easy to the behaviour to light source
Make；Brightness, range, start angle, termination point and color are respectively the different characteristic parameter of light source.
Light sources in light source bank is predefined a collection of Ordinary Light Sources Have list, such as sun, fluorescent lamp ... ..
2nd, video flowing two field picture is obtained in real time.
Bitmap VideoFrameBitmap=(Bitmap)
videoSourcePlayer.GetCurrentVideoFrame()；
3rd, light source is managed.
(1) light source is added：AddLamp(Bitmap LampBitmap,LampStyle S,Point P,float F1,
Float F2, float B, int R, Color C), i.e., increase an element in the dynamic light source array of activation, while in window
Shown in mouthful.
(2) mobile light source：MoveLamp(int LampNumber,Point P)；Change the coordinate for specifying light source.
(3) light source parameters are set：EditLamp (int LampNumber), that is, set the position P for specifying light source, brightness
The parameters such as B, range R, deflection F1, F2, light color C.
Wherein position P scope is in video viewing area；Brightness B scopes are 0 to 255；Range B scopes are viewing areas
Maximum magnitude max (VideoFrameW, VideoFrameH)；Deflection F1 (initial angle), direction F2 (end angle)：Scope is F1
>=0＆＆F1<=360, F2>=0＆＆F2<=360.
(4) light source is deleted：DeleteLamp(int LampNumber).One is deleted in the dynamic light source array of activation
Individual element, while no longer showing the light source in the window.
4th, list of light sources is traveled through, carrying out brightness to two field picture according to light source parameters renders：Obtain image-region color original
Value, extracts (r, g, b) component；Calculated according to parameters such as light source position P, brightness B, range R, direction F, light color C after rendering
The color value that should be superimposed simultaneously extracts its color component (r, g, b), and (r, g, b) component of original color value is synchronously superimposed into light source wash with watercolours
Contaminate (r, g, b) of color value, you can show final rendering effect pattern in real time in viewing area.
(1)：Image-region original color value Color_Old (x, y) is obtained, (r, g, b) component is extracted.
(2)：Light color is calculated according to parameters such as lighting programmers position P, brightness B, range R, direction F, color C
ColorBrightness (x, y), and extract its (r, g, b) component.
(3) it is superimposed light luminance：Light color value is superimposed on the basis of original color value, i.e., it is same on r, g, b component
Step superposition, final effect is shown in viewing area in real time
R+=(int) BrightnessR；
G+=(int) BrightnessG；
B+=(int) BrightnessB；
When the 5th, preserving, video flowing two field picture is obtained in real time, and the progress brightness that repeats the above steps is rendered and to specified photo
Region is cut, preserved.
Bitmap SavePhoto=CropBitmap (VideoFrameBitmap, SavePhotoRectangle)；
SavePhoto.Save(SavePhotoFileName,SavePhotoFileFormat.JPG)。
Above technical finesse explanation：
1st, light source hot-zone (△, ▽), rolling selection light source hot-zone and dragging is selected to add in built-in vertical click on of light source base area
Plus light source hot-zone.Hot-zone is a series of coordinate arrays, position and event for induction mouse.
Point[]p_lampMode_DownArea；// top △ selection light sources hot-zone：For selecting a upper light source
Point[]p_lampMode_UpArea；// bottom ▽ selection light sources hot-zone：For selecting next light source
Point[]p_lampMode_RollArea；// roll selection light source hot-zone
Point[]p_lampMode_Area；// dragging addition light source hot-zone
2nd, light source parameters are set up in illuminant characterization image-region hot-zone and mobile hot-zone is set, into illuminant characterization image
Breviary region, system amplifies display light source characteristic image automatically, and responds mouse click, rolling, drag operation, triggering light source position
Mobile, parameter setting event is put, and according to displacement real-time rendering viewing area of the mouse to light source parameters control stick.
The realization principle for the intelligence software that the present invention is provided：The brightness of light source is linearly declined by light source center along light direction
Subtract, i.e., on the basis of light source center color, extract (r, g, b) component, the numerical value of its r, g, b component is sexually revised by line synchro,
The decay of light-source brightness can be achieved.Traditional pixel method is abandoned in real-time rendering luminance video (to provide by development environment
The function of special acquisition color obtain the color of specified location pixel), but use internal memory method, i.e., by obtaining in image
Sweep length, the pixel wide of variable are deposited, the color to specified location pixel carries out memory address, by directly to the behaviour of internal memory
The mesh of modification colour brightness is reached, Partial key code is as follows：
Int Stride=Math.Abs (bmpData.Stride)；// sweep length；
Int PixelWidth=Stride/bmpData.Width；Digit shared by // mono- pixel 4：(R,G,B,
Y), 3：(R,G,B).
Byte [] rgb Values=new byte [bytes]；// bitmap data byte arrays；
// original color value
Int r=rgbValues [y*Stride+x*PixelWidth+2]；//R is red component；
Int g=rgbValues [y*Stride+x*PixelWidth+1]；//G is green component；
Int b=rgbValues [y*Stride+x*PixelWidth+0]；//B is blue component.
// light source r, g, b superposition
// internal storage data writes direct
Rgb Values [y*Stride+x*PixelWidth+0]=(byte) (b)；
Rgb Values [y*Stride+x*PixelWidth+1]=(byte) (g)；
Rgb Values [y*Stride+x*PixelWidth+2]=(byte) (r)；
Marshal.Copy(rgb Values,0,ptr,bytes)；
Rendered by internal memory method, processing, storage speed are exceedingly fast, and almost the imperceptible time prolongs in actual applications
Late.
In render process is carried out to video, it is related to larger image memory variable, although development language provides automatic
Memory management, but to improve internal memory utilization ratio and preventing internal memory from overflowing, system specially adds memory variable managing process,
Discarded variable is purged in time, the speed and stability of Video Rendering is further increased.In long-time (for three days on end
Uninterruptedly), in the case of image quality (1080P), high-speed (secondary/50ms) to video source, light source, head portrait area carry out random movement,
The super-strength pressure test such as Arbitrary Rotation in the range of 360 degree, system can normally be run.Software without Professional Photography canopy,
Carried out especially for units such as school, office, enterprises and institutions when batch is taken pictures with very strong practicality.With respect to software light source,
Physical light-source has more stereovision and authenticity on imaging effect, and such as condition is permitted, is also to try to build special physical light-source.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (5)
1. a kind of digital photographing processing method for adding intelligence software light source, it is characterised in that the addition intelligence software light source
Digital photographing processing method obtain video flowing two field picture, user inserts software light source in viewing area specified location, system from
It is dynamic to obtain image-region color value, (r, g, b) component is extracted, scope is rendered according to light source parameters calculating and brightness is superimposed.
2. the digital photographing processing method of intelligence software light source is added as claimed in claim 1, it is characterised in that the addition
The digital photographing processing method of intelligence software light source comprises the following steps：
Step one, light sources in light source bank is set up；
Step 2, obtains video flowing two field picture in real time；
Step 3, the management of software light source；Software light source is added, software illuminant characterization image thumbnails are loaded in viewing area；Move
Dynamic light source；Light source parameters are set：Position P, direction F, brightness B, range R, color C parameters；Delete light source；
Step 4, travels through list of light sources, and carrying out brightness to two field picture according to light source parameters renders；
Step 5, take pictures preservation when, in real time obtain video flowing two field picture, carry out brightness render and preserved.
3. the digital photographing processing method of intelligence software light source is added as claimed in claim 2, it is characterised in that described in step
The management of software light source includes in rapid four：The movement of light source position；Change light source parameters；Delete and specify light source.
4. the digital photographing processing method of intelligence software light source is added as claimed in claim 2, it is characterised in that the step
In five according to light source parameters to two field picture carry out brightness render including：
Image-region color value is obtained, (r, g, b) component is extracted；
Scope is rendered according to lighting programmers position P, brightness B, range R, direction F, the calculating of light color C parameters and light color is folded
Degree of highlighting, and final rendering effect pattern is shown in real time in viewing area.
5. the digital photographing processing method of intelligence software light source is added as claimed in claim 2, it is characterised in that the video
The encryption method of stream two field picture comprises the following steps：
Step 1: defining random function funA, according to the length of video file, produce some to random integers (x, y), deposit collection
Close in S { }, and set S is saved in database in corresponding video file attributes field, control generation video-encryption file
The Y value of size<10；
Step 2: reading video file stream by byte, the information from database according to video file reads the set S of deposit
{ }, obtains all random numbers pair；
Step 3: according to data to (x, y), the X position in file stream writes the random string of Y length, file stream is write
Enter in encrypted video file stream；
Step 4: repeat step three, until file read-write is completed.
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Cited By (5)
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| CN108810406A (en) * | 2018-05-23 | 2018-11-13 | Oppo广东移动通信有限公司 | Portrait light efficiency processing method, device, terminal and computer readable storage medium |
| CN109688341A (en) * | 2018-12-27 | 2019-04-26 | 维沃移动通信有限公司 | A kind of method for polishing and terminal device |
| CN111147733A (en) * | 2018-11-02 | 2020-05-12 | 佳能株式会社 | Information processing apparatus, information processing method, and storage medium |
| CN111901529A (en) * | 2020-08-17 | 2020-11-06 | 珠海格力电器股份有限公司 | Target object shooting method and device |
| WO2022007787A1 (en) * | 2020-07-07 | 2022-01-13 | 广州虎牙科技有限公司 | Image processing method and apparatus, device and medium |
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