CN103841391A - Stereo image format converter and method and stereo image format conversion method - Google Patents
Stereo image format converter and method and stereo image format conversion method Download PDFInfo
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- CN103841391A CN103841391A CN201210472011.0A CN201210472011A CN103841391A CN 103841391 A CN103841391 A CN 103841391A CN 201210472011 A CN201210472011 A CN 201210472011A CN 103841391 A CN103841391 A CN 103841391A
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Abstract
The invention discloses a stereo image format converter and method therefor. The stereo image format converter includes an input circuit, a processing circuit and an output circuit. The input circuit receives a frame-encapsulation signal which includes an image signal, a first vertical synchronizing signal and a first data-enable signal. According to the frame-encapsulation signal, the processing circuit determines an active space of the image signal, then processes the first vertical synchronizing signal to generate a second vertical synchronizing signal and processes the first data-enable signal to generate a second data-enable signal. The processing circuit generates a frame-continuous signal which includes the image signal, the second vertical synchronizing signal and the second data-enable signal. The output circuit outputs the frame-continuous signal.
Description
Technical field
The present invention is about a kind of stereopsis format converter and stereopsis format conversion method thereof.Particularly, stereopsis format converter of the present invention can be converted to frame encapsulated signal frame continuous signal.
Background technology
In recent years, because the development of media product reaches its maturity, people more and more rely on the demand of multimedia special efficacy, therefore, and three-dimensional (three-dimension; 3D) Related product of image also gets most of the attention thereupon.
HDMI (High Definition Multimedia Interface) (HighDefinition Multimedia Interface; HDMI) codes and standards of 1.4 editions define a kind of 3D image format, i.e. frame encapsulation (frame packing) form.For making the broadcasting of image reach the resolution of 1080p, the frame encapsulated signal that meets frame encapsulation format is that left-eye images signal and right-eye image signal are transmitted simultaneously, wherein between left-eye images signal and right-eye image, between signal, has a blank signal.But, because 3D image display on the market is only supported a kind of 3D image format conventionally, therefore cannot receive and processed frame encapsulated signal for the 3D image display of only supporting continuous (frame sequential) form of frame.In the case, consumer certainly will must choose the 3D image display device of supporting frame encapsulation format again, can receive and processed frame encapsulated signal
In view of this, how frame encapsulated signal being converted to frame continuous signal, and the frame continuous signal after conversion is provided to the 3D image display of only supporting frame continuous forms, is the target that industry is needed effort badly.
Summary of the invention
The object of the present invention is to provide a kind of stereopsis format converter and stereopsis format conversion method thereof.Stereopsis format converter of the present invention is according to the active interval of frame encapsulated signal, the vertical synchronizing signal of processed frame encapsulated signal and data actuating signal, and produce the vertical synchronizing signal and the data actuating signal that meet frame continuous signal.Thus, in the time that stereopsis format converter of the present invention is installed up to the input of 3D image display of only supporting frame continuous forms, frame encapsulated signal can be converted to frame continuous signal, and provide the image display to 3D, make it can play frame continuous signal, and then solve the puzzlement that consumer must choose holographic display device again.
For reaching above-mentioned purpose, the present invention discloses a kind of stereopsis format converter.Stereopsis format converter comprises an input circuit, a treatment circuit and an output circuit.This input circuit is in order to receive a frame encapsulated signal.This frame encapsulated signal comprises a signal of video signal, one first vertical synchronizing signal and one first data actuating signal.This treatment circuit is coupled to this input circuit, in order to according to this frame encapsulated signal, determine an active interval of this signal of video signal, and according to this active interval, process this first vertical synchronizing signal to produce one second vertical synchronizing signal and to process this first data actuating signal, to produce one second data actuating signal.This treatment circuit produces a frame continuous signal.This frame continuous signal comprises a signal of video signal, one second vertical synchronizing signal and one second data actuating signal.This output circuit is coupled to this treatment circuit, in order to export this frame continuous signal.
In addition, the present invention more discloses a kind of stereopsis format conversion method for a stereopsis format converter.This stereopsis format converter comprises an input circuit, a treatment circuit and an output circuit.This treatment circuit is coupled to this input circuit.This output circuit is coupled to this treatment circuit.This stereopsis format conversion method comprises the following step: make input circuit receive a frame encapsulated signal, this frame encapsulated signal comprises a signal of video signal, one first vertical synchronizing signal and one first data actuating signal; Make treatment circuit according to frame encapsulated signal, determine an active interval of this signal of video signal, and according to this active interval, process this first vertical synchronizing signal to produce one second vertical synchronizing signal and to process this first data actuating signal, to produce one second data actuating signal; Make this processor produce a frame continuous signal, this frame continuous signal comprises this signal of video signal, this second vertical synchronizing signal and this second data actuating signal; And make this output circuit export this frame continuous signal.
Consult after execution mode graphic and that describe subsequently, affiliated technical field technical staff just can understand other object of the present invention, and technological means of the present invention and execution mode.
Brief description of the drawings
Fig. 1 is the schematic diagram of the stereopsis format converter 1 of first embodiment of the invention;
Fig. 2 is the schematic diagram of a frame encapsulated signal 102;
Fig. 3 is the schematic diagram of a frame continuous signal 104;
Fig. 4 is the schematic diagram of the treatment circuit of the stereopsis format converter 2 of second embodiment of the invention;
Fig. 5 is the stereopsis format conversion method flow chart of third embodiment of the invention; And
Fig. 6 is the stereopsis format conversion method flow chart of fourth embodiment of the invention.
Wherein, description of reference numerals is as follows:
1 stereopsis format converter;
11 input circuits;
13 treatment circuits;
15 output circuits;
102 frame encapsulated signal;
102_i signal of video signal;
102_vsync the first vertical synchronizing signal;
102_hsync horizontal-drive signal;
102_en the first data actuating signal;
R right-eye image signal;
L left-eye images signal;
S blank signal
104 frame continuous signals
104_vsync the second vertical synchronizing signal
104_en the second data actuating signal
2 stereopsis format converters;
131 decision circuitry;
Circuit is covered at 133 active intervals;
Circuit is inserted in 135 vertical synchronization;
137 integrated circuits.
Embodiment
Below will explain content of the present invention by embodiment.But embodiments of the invention not need can be implemented in any environment, application or mode as described embodiments in order to limit the present invention.Therefore, be only explaination object of the present invention about the explanation of embodiment, but not in order to direct restriction the present invention.Need expositor, in following examples and diagram, omitted and do not illustrated with the non-directly related element of the present invention.
Fig. 1 is the schematic diagram of the stereopsis format converter 1 of first embodiment of the invention.Stereopsis format converter 1 comprises an input circuit 11, a treatment circuit 13 and an output circuit 15.Treatment circuit 13 is to be coupled to input circuit 11 and output circuit 15.Stereopsis format converter 1 can be installed up to the input of the 3D image display (for example: LCD screen, LCD TV, projector etc.) of only supporting frame continuous forms, so that a frame encapsulated signal is converted to a frame continuous signal.
Particularly, because frame encapsulated signal 102 has the information of the blank signal of signal of video signal 102_i, and blank signal corresponds to the active interval of signal of video signal 102_i, therefore treatment circuit 13 is after input circuit 11 received frame encapsulated signal 102, can, according to this information, determine the active interval of signal of video signal 102_i.Subsequently, the initiatively data activation waveform of the part at interval that corresponds in the first data actuating signal 102_en is eliminated (all transferring low level voltage to by high level voltage) by treatment circuit 13, to form the second data actuating signal 104_en.Then, treatment circuit 13 corresponds to the initiatively newly-increased vertical synchronization waveform (transferring the high level voltage of a certain width by low level voltage to) of part at interval in the first vertical synchronizing signal 102_vsync, to produce the second vertical synchronizing signal 104_vsync.
As shown in Figure 4, it is the schematic diagram of a stereopsis format converter 2 to second embodiment of the invention.Be different from the first embodiment, in the present embodiment, treatment circuit 13 comprises a decision circuitry 131, circuit 133, vertical synchronization insertion circuit 135 and an integrated circuit 137 are covered in an active interval.Decision circuitry 131 and integrated circuit 137 are coupled to initiatively interval and cover circuit 133 and vertical synchronization insertion circuit 135.When processor 13 is after input circuit 11 received frame encapsulated signal 102, decision circuitry 131 is according to this frame encapsulated signal 102, determine the active interval of signal of video signal 102_i, initiatively the first data actuating signal 102_en of circuit 133 processed frame encapsulated signal 102 is covered at interval, and the first vertical synchronizing signal 102_vsync of circuit 135 processed frame encapsulated signal 102 is inserted in vertical synchronization.
Particularly, active interval is covered circuit 133 and is used in active interval, eliminate the data activation waveform of the first data actuating signal 102_en, to produce the second data actuating signal 104_en, and vertical synchronization insertion circuit 135 is used in active interval, insert vertical synchronization wave mode to the first vertical synchronizing signal 102_vsync, to produce the second vertical synchronizing signal 104_vsync.Finally, integrated circuit 137 is integrated signal of video signal 102_i, the second vertical synchronizing signal 104_vsync, horizontal-drive signal 102_hsync and the second data actuating signal 104_en, to produce frame continuous signal 104.
Fig. 5 is the flow chart of the stereopsis format conversion method of third embodiment of the invention.The stereopsis format conversion method of the present embodiment can be used for a stereopsis format converter (for example: the stereopsis format converter 1 of the first embodiment), it comprises an input circuit, a treatment circuit and an output circuit, and treatment circuit is coupled to input circuit and output circuit.
First, execution step S501, makes input circuit receive a frame encapsulated signal, and it comprises a signal of video signal, one first vertical synchronizing signal and one first data actuating signal.Then, execution step S503, make treatment circuit according to image encapsulated signal, determine an active interval of signal of video signal, and according to active interval, process the first vertical synchronizing signal to produce one second vertical synchronizing signal, and process the first data actuating signal, to produce one second data actuating signal.Execution step S505, makes treatment circuit produce a frame continuous signal, and it comprises signal of video signal, the second vertical synchronizing signal and the second data actuating signal.Finally, execution step S505, makes output circuit output frame continuous signal.
Fig. 6 is the flow chart of the stereopsis format conversion method of fourth embodiment of the invention.The stereopsis format conversion method of the present embodiment can be used for a stereopsis format converter (for example: the stereopsis format converter 2 of the second embodiment), it comprises an input circuit, a treatment circuit and an output circuit, and treatment circuit is coupled to input circuit and output circuit.In the present embodiment, treatment circuit comprises a decision circuitry,, and initiatively circuit is covered at interval, circuit and an integrated circuit are inserted in a vertical synchronization, and decision circuitry and integrated circuit are coupled to initiatively, and circuit is covered at interval and circuit is inserted in vertical synchronization.
First, execution step S601, makes input circuit receive a frame encapsulated signal, and it comprises a signal of video signal, one first vertical synchronizing signal and one first data actuating signal.Then, execution step S603, makes decision circuitry according to frame encapsulated signal, determines the active interval of signal of video signal.Then, execution step S605, makes initiatively interval cover circuit, in active interval, eliminates one of the first data actuating signal data activation waveform, to produce one second data actuating signal.Execution step S607, makes vertical synchronization insert circuit, in active interval, inserts vertical synchronization wave mode to the first vertical synchronizing signal, to produce one second vertical synchronizing signal.Subsequently, execution step S609, makes integrated circuit produce a frame continuous signal, and it comprises signal of video signal, the second vertical synchronizing signal and the second data actuating signal.Finally, execution step S611, makes output circuit output frame continuous signal.
In sum, stereopsis format converter of the present invention and stereopsis format conversion method thereof can be changed framing continuous signal by frame encapsulated signal easily and effectively.Therefore, in the time that stereopsis format converter of the present invention is installed up to the input of 3D image display of only supporting frame continuous forms, frame encapsulated signal can be converted to frame continuous signal, and provide the image display to 3D, make it can play frame continuous signal, and then solve the puzzlement that consumer must choose holographic display device again.
Only above-described embodiment is only illustrative embodiments of the present invention, and explains technical characterictic of the present invention, is not used for limiting protection category of the present invention.Any those skilled in the art can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, protection scope of the present invention should be as the criterion to apply for a patent claim scope.
Claims (10)
1. a stereopsis format converter, comprises:
One input circuit, in order to receive a frame encapsulated signal, this frame encapsulated signal comprises a signal of video signal, one first vertical synchronizing signal and one first data actuating signal;
One treatment circuit, be coupled to this input circuit, in order to according to this frame encapsulated signal, determine an active interval of this signal of video signal, and process this first vertical synchronizing signal to produce one second vertical synchronizing signal according to this active interval, and process this first data actuating signal according to this active interval, to produce one second data actuating signal, and producing a frame continuous signal, this frame continuous signal comprises this signal of video signal, this second vertical synchronizing signal and this second data actuating signal; And
One output circuit, is coupled to this treatment circuit, in order to export this frame continuous signal.
2. stereopsis format converter as claimed in claim 1, wherein this treatment circuit more comprises:
One decision circuitry, in order to according to this frame encapsulated signal, determines this active interval of this signal of video signal;
Circuit is covered at one active interval, is coupled to this decision circuitry, is used in this active interval, eliminates a data activation waveform of this first data actuating signal, to produce this second data actuating signal;
Circuit is inserted in one vertical synchronization, is coupled to this decision circuitry, is used in this active interval, inserts a vertical synchronization waveform to this first vertical synchronizing signal, to produce this second vertical synchronizing signal; And
One integrated circuit, is coupled to this active interval and covers circuit and this vertical synchronization insertion circuit, in order to produce this frame continuous signal.
3. stereopsis format converter as claimed in claim 1, wherein this signal of video signal comprises a right-eye image signal, a blank signal and a left-eye images signal, and this blank signal is to interval initiatively.
4. stereopsis format converter as claimed in claim 1, wherein this frame encapsulated signal and this frame continuous signal more comprise a horizontal-drive signal.
5. stereopsis format converter as claimed in claim 1, wherein this input circuit comprises an input interface, and this output circuit comprises an output interface.
6. stereopsis format converter as claimed in claim 5, wherein this input interface and this output interface are HDMI (High Definition Multimedia Interface).
7. a stereopsis format conversion method, for a stereopsis format converter, this stereopsis format converter comprises an input circuit, a treatment circuit and an output circuit, this treatment circuit is coupled to this input circuit and this output circuit, and this stereopsis format conversion method comprises the following step:
Make this input circuit receive a frame encapsulated signal, this frame encapsulated signal comprises a signal of video signal, one first vertical synchronizing signal and one first data actuating signal;
Make this treatment circuit according to this frame encapsulated signal, determine an active interval of this signal of video signal, and according to this active interval, process this first vertical synchronizing signal to produce one second vertical synchronizing signal and to process this first data actuating signal, to produce one second data actuating signal;
Make this treatment circuit produce a frame continuous signal, this frame continuous signal comprises this signal of video signal, this second vertical synchronizing signal and this second data actuating signal; And
Make this output circuit export this frame continuous signal.
8. stereopsis format conversion method as claimed in claim 7, wherein this treatment circuit more comprises a decision circuitry, circuit, vertical synchronization insertion circuit and an integrated circuit are covered in an active interval, this decision circuitry and this integrated circuit are coupled to this active interval and cover circuit and this vertical synchronization insertion circuit, and this stereopsis format conversion method more comprises the following step:
Make this decision circuitry according to this frame encapsulated signal, determine this active interval of this signal of video signal;
Make this active interval cover circuit, in this active interval, eliminate a data activation waveform of this first data actuating signal, to produce this second data actuating signal;
Make this vertical synchronization insert circuit, in this active interval, insert a vertical synchronization wave mode to this first vertical synchronizing signal, to produce this second vertical synchronizing signal;
Make this integrated circuit, produce this frame continuous signal.
9. stereopsis format conversion method as claimed in claim 7, wherein this signal of video signal comprises a right-eye image signal, a blank signal and a left-eye images signal, and this blank signal is to interval initiatively.
10. stereopsis format conversion method as claimed in claim 7, wherein this frame encapsulated signal and this frame continuous signal more comprise a horizontal-drive signal.
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| CN201210472011.0A CN103841391A (en) | 2012-11-20 | 2012-11-20 | Stereo image format converter and method and stereo image format conversion method |
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| CN104125448A (en) * | 2014-07-09 | 2014-10-29 | 北京京东方视讯科技有限公司 | Display processing system and method and electronic equipment |
| CN111602401A (en) * | 2018-01-16 | 2020-08-28 | Vid拓展公司 | Adaptive frame packing for 360 degree video coding |
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Application publication date: 20140604 |