CN1728810A - Device and method for delivering non-interlaced scanning image obtained in interlaced scanning mode - Google Patents
Device and method for delivering non-interlaced scanning image obtained in interlaced scanning mode Download PDFInfo
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- CN1728810A CN1728810A CN 200410053200 CN200410053200A CN1728810A CN 1728810 A CN1728810 A CN 1728810A CN 200410053200 CN200410053200 CN 200410053200 CN 200410053200 A CN200410053200 A CN 200410053200A CN 1728810 A CN1728810 A CN 1728810A
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Abstract
According to standard of wired TV, the invention reads out pixels from clipped part of original image frame in high resolution, and transmits pixels read in interlaced scanning mode. The device includes following parts: camera device incuse for scanning any object in line-by-line scanning mode; converter for converting analog image signal from camera device to digital signal; port part in use for exchanging between input data and output data; signal process device for clipping and interlaced scanning data obtained in line-by-line scanning mode inputted through the said port; memory for storing clipped and sampled data. According to standard of wired TV, the invention outputs pixels, which are sampled from original image frame in high resolution, in interlaced scanning mode.
Description
(1) technical field
The invention relates to the apparatus and method that interlace mode transmits the portrait of lining by line scan, especially about being used for data are sent to the display that possesses different resolution, the portrait of lining by line scan is read necessary resolution by montage (clipping), and a kind of interlace mode that transmits by interlace mode transmits the apparatus and method of the portrait of lining by line scan then.
(2) background technology
Generally, most display unit is to utilize television set in the middle of the PC at initial stage.
But,, just developed special display for can display of high resolution PC picture along with the increase of the resolution requirement of PC.
Therefore PC display and TV display have just become the display equipment that two kinds of different form shffts that have almost without any association change.
Today, also attempting to use the display unit of TV, and wishing the effect that to obtain as digital camera and computer picture.
That is, the mode of application percentage convergent-divergent (DOWN SCALE) is converted to interlacing scan (the closed-circuit television way of output) with high image quality line by line scan (monitoring (MONITOR) way of output).
But, the mode of aforesaid way application percentage convergent-divergent (DOWN SCALER), the image of each pixel of closed-circuit television (image) information will sustain damage (resolution is low).
(3) summary of the invention
The objective of the invention is in order to address the above problem, propose an a kind of part and carry out montage the high original picture of resolution, read the pixel that meets the closed-circuit television specification, the interlace mode that transmits in interleaved mode transmits the apparatus and method of the portrait of lining by line scan then.
That is, general, the closed-circuit television of progressive scan mode is display output content and the digital camera content in order to access high image quality when making, so its pixel is all very high.
By comparison, TV specification (NTSC/PAL) is 410,000 pixels, in order to obtain each pixel information as much as possible, just the pixel that will meet the TV specification is sampled by montage, be sent to memory, separate idol/strange (EVEN/ODD) signal then, two kinds of signals of above-mentioned separation are sent to television set with interlace mode.
To achieve these goals, interlace mode of the present invention transmits the device of the portrait of lining by line scan, and it is characterized in that comprising:
Camera head (CCD) scans object arbitrarily with progressive scan mode;
Transducer (ADC), the analog image conversion of signals that above-mentioned camera head is transmitted the data that obtain is a digital signal;
Port part, the data of exchange input and output;
Signal processing apparatus, the above-mentioned data of lining by line scan and obtaining by above-mentioned port input are handled in montage and each line scanning;
Memory is stored the data that are sampled after the above-mentioned montage.
In addition, one embodiment of the present of invention, the signal processing apparatus original picture that obtains of will lining by line scan carries out montage according to predefined value, reads the sampled picture that needs then.
In addition, one embodiment of the present of invention, behind the said signal processing device application percentage convergent-divergent (DOWNSCALE), the data of montage are handled in interlacing scan.
In addition, a kind of interlace mode of the present invention transmits the method for the portrait of lining by line scan, and comprising:
First step, the data of in the middle of camera head, lining by line scan;
Second step, the above-mentioned data of lining by line scan of montage are read the data different with above-mentioned data then;
Third step, the above-mentioned data of lining by line scan of montage, the storage that sampling is obtained is to memory then;
The 4th step transmits the data that above-mentioned sampling of reading obtains with interlace mode.
In addition, one embodiment of the present of invention, after the data of lining by line scan are carried out image processing, after outputing to computer monitor or the picture that above-mentioned data of lining by line scan carry out obtaining after the montage handled with progressive scan mode, output to the TV display with interlace mode then.
Effect of the present invention:
The interlace mode of the present invention that has above-mentioned formation and operate as mentioned above transmits the apparatus and method of the portrait of lining by line scan, pixel corresponding to closed-circuit television in the pixel of high image quality can be exported in interleaved mode, thereby can be improved the resolution of related device.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is general shooting of the present invention and conversion block diagram.
Fig. 2 realizes the block diagram of the resolution of television set and computer respectively in the middle of a computer for the present invention.
Fig. 3 is the interior structured flowchart of signal processing apparatus (DSP) 205A of above-mentioned Fig. 2.
The CCD portrait that Fig. 4 will obtain for lining by line scan among the present invention is output as the embodiment of TV with data.
The method flow diagram that Fig. 5 transmits in interleaved mode for the picture that obtains of lining by line scan of the present invention.
(5) embodiment
The apparatus and method that interlace mode of the present invention is transmitted the portrait of lining by line scan are elaborated below with reference to accompanying drawings.
Fig. 1 is general shooting of the present invention and conversion block diagram.
Comprising:
Camera head (CCD) 101 scans object arbitrarily with progressive scan mode;
Transducer (ADC) 102, the analog image conversion of signals that above-mentioned camera head is transmitted the data that obtain is a digital signal;
Port part (I/F) 103a/103c, the data of exchange input and output;
Such as the 1920*1024 picture of lining by line scan carries out montage, is sampled as the picture with 640*480 pixel.
The method of above-mentioned montage is used general method, for example, clipping region set respectively four jiaos (left side, the right side, on, montage value down).
All corresponding layers of montage value reflection this means that the left side upper end position (with the position of leftproperty value and the decision of top property value) with layer is that the montage value is determined at the center,
To the operation of montage be described below.
Montage: four jiaos (left side, the right side, on, down) (Clip:rect (top, right, bottom, left)): left here, the right side, on, (value left) all is to be unit with the pixel for top and right, bottom down.
Therefore, in order to obtain the resolution 640*480 of above-mentioned television set, need in the middle of the original picture that obtains of lining by line scan, specify the address that will carry out montage is set.
The operation of above-mentioned Fig. 1 is that the camera head analog signal that obtains and export of lining by line scan is converted to digital signal in transducer, and sampled value that then will montage obtains in the middle of the DSP of data processing division stores memory into.
If above-mentioned stored data are to output to television set, so, with above-mentioned stored Signal Separation idol/strange (EvenV/Odd) just, transmit in interleaved mode then.
Fig. 2 is that the present invention realizes the block diagram to the resolution of television set and computer respectively in a computer.
As shown in the figure, comprise include memory storage 204 (such as hard disk, CDROM), memory 203 (such as RAM), input unit 202 (such as keyboard, mouse), CPU201 (such as microprocessor), and the picture treatment system 205 that comprises signal processing apparatus (DSP) 205a.
Camera head (CCD) 207 analogue data that obtains of lining by line scan is converted to digital signal through transducer (ADC) 206, is input to above-mentioned picture treatment system 205.
As required, the data of above-mentioned input are carried out picture handle, provide television set input data to television set (TV) 208 then, perhaps the display 209 to computer, monitor provides the display dateout.
Fig. 3 is the interior structured flowchart of signal processing apparatus (DSP) 205A of above-mentioned Fig. 2.
As shown in the figure, be the block diagram of picture (GRATHIC) treatment system 300 that includes TV picture treatment loop parts 304.
TV picture treatment loop parts 304 be used for the form of needs (such as: NTSC/PAL) dateout is offered the encoder of television set (Fig. 2 208).
Above-mentioned TV picture treatment loop parts 304 comprise: montage set of samples (block) 304b that RGB transducer 304a and montage obtain, and television set output port (I/F) 304c.
The RGB data are provided by picture treatment loop parts 302.
The CCD portrait that Fig. 4 will obtain for lining by line scan among the present invention is output as the embodiment of TV with data.
As shown in the figure, shooting part CCD takes the CCD picture 401 obtain and for the picture 401a of its CCTV specification, specifies the address of above-mentioned CCD picture 401, then by montage, tries to achieve and the corresponding picture 401a of CCTV specification.
After the above-mentioned data that are read are stored in memory, as required, be separated into idol/strange (Even/Odd) 402,403,, transmit in interleaved mode in order to carry out television set (TV) output.
The method flow diagram that Fig. 5 transmits in interleaved mode for the picture that obtains of lining by line scan of the present invention.
S501, the mode scan-data of shooting part CCD to line by line scan is then can use the resolution at digital camera or computer display etc. to transmit.
S502 then, is converted to numerical data with the above-mentioned analogue data that is transmitted and transmits.
S503 in the middle of the signal processing apparatus DSP of data processing division, carries out montage (part of the original picture of clip) with the image of the above-mentioned data that obtain of lining by line scan, then, sample, make it possess pixel, store memory then into corresponding to television set specification (relative resolution is low).
S504, the above-mentioned data that are sampled storage are exported by interleaved mode when exporting with television set resolution.
As mentioned above, the invention relates to the picture that obtains lining by line scan and carry out montage, read necessary resolution then, and the apparatus and method that transmit with interlace mode.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense, so be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the distortion of the above embodiment.
Such as, after the montage, also can be converted to interlacing scan through the mode (DOWN SCALING) of proportional zoom.
Promptly, the mode (DOWN SCALING) of whole images being carried out proportional zoom that compares with a median size clip a bit, carries out carrying out after the montage mode (DOWN SCALING) of proportional zoom again, adjust according to the TV size of display then, and then handle with interlace mode.
Claims (7)
1, a kind of interlace mode transmits the device of the portrait of lining by line scan, and it is characterized in that comprising:
Camera head scans object arbitrarily with progressive scan mode;
Transducer, the analog image conversion of signals that described camera head is transmitted the data that obtain is a digital signal;
Port part, the data of exchange input and output;
Signal processing apparatus, montage and interlacing scan are handled the above-mentioned data of lining by line scan and obtaining by above-mentioned port input;
Memory is stored the data that are sampled after the described montage.
2, interlace mode as claimed in claim 1 transmits the device of the portrait of lining by line scan, and it is characterized in that:
The described signal processing apparatus original picture that obtains of will lining by line scan carries out montage according to predefined value, reads the sampled picture that needs then.
3, interlace mode as claimed in claim 1 transmits the device of the portrait of lining by line scan, and it is characterized in that:
After the mode of described signal processing apparatus application percentage convergent-divergent, the data of montage are handled in interlacing scan.
4, a kind of interlace mode transmits the method for the portrait of lining by line scan, and it is characterized in that:
First step, the data of in the middle of camera head, lining by line scan;
Second step is converted to numerical data with above-mentioned data of lining by line scan;
Third step, the above-mentioned data of lining by line scan of montage, the storage that sampling is obtained is to memory then;
The 4th step transmits the data that above-mentioned sampling of reading obtains with interlace mode.
5, interlace mode as claimed in claim 4 transmits the method for the portrait of lining by line scan, and it is characterized in that:
Also comprise a step, the data that obtain lining by line scan are carried out storage that montage sampling obtains to memory.
6, interlace mode as claimed in claim 4 transmits the method for the portrait of lining by line scan, and it is characterized in that:
After described data of lining by line scan are carried out image processing, after outputing to computer monitor or the picture that above-mentioned data of lining by line scan carry out obtaining after the montage handled with progressive scan mode, output to the TV display with interlace mode then.
7, interlace mode as claimed in claim 4 transmits the method for the portrait of lining by line scan, and it is characterized in that:
Also comprise a step, the mode of application percentage convergent-divergent on the data that above-mentioned montage sampling obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053200 CN1728810A (en) | 2004-07-28 | 2004-07-28 | Device and method for delivering non-interlaced scanning image obtained in interlaced scanning mode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053200 CN1728810A (en) | 2004-07-28 | 2004-07-28 | Device and method for delivering non-interlaced scanning image obtained in interlaced scanning mode |
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| CN1728810A true CN1728810A (en) | 2006-02-01 |
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| CN 200410053200 Pending CN1728810A (en) | 2004-07-28 | 2004-07-28 | Device and method for delivering non-interlaced scanning image obtained in interlaced scanning mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689610A (en) * | 2012-06-19 | 2012-09-26 | 深圳乐投卡尔科技有限公司 | Method and device for displaying back up video by virtue of vehicle-mounted Android platform |
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2004
- 2004-07-28 CN CN 200410053200 patent/CN1728810A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689610A (en) * | 2012-06-19 | 2012-09-26 | 深圳乐投卡尔科技有限公司 | Method and device for displaying back up video by virtue of vehicle-mounted Android platform |
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