1. A display screen comprising:
a receiving module receiving wireless signals of incoming calls and converting the wireless signals of incoming calls to electronic signals;
a control module storing contact information, ringtones, and links of ringtones to contacts, the control module determining whether a telephone number included in the electronic signals has a link to the stored contact information and a corresponding ringtone, the control module generating backlight control signals corresponding to the determining result; and
a backlight drive module receiving the backlight control signals and driving a backlight module to dynamically flash according to the backlight control signals; wherein the backlight drive module includes a digital to analog conversion unit and a backlight drive module circuit, the digital to analog conversion unit converts the backlight control signals into analog signals and then transmits the analog signals to the backlight drive module circuit to drive the backlight module.
2. The display screen as claimed in claim 1, wherein before transmitting the incoming calls to the control module, the receiving module processes the incoming calls.
3. The display screen as claimed in claim 1, wherein the control module includes a memory unit, a process unit, and a converting unit, the memory unit is used to store telephone numbers, the process unit is used to determine whether the received telephone number is stored in the memory unit and whether the received telephone number has a corresponding ring tone stored in the memory unit, if the received telephone number stored in the memory unit or the received telephone number does not have a corresponding ring tone in the memory unit, the process unit processes a default ring tone and transmits the default ring tone to the converting unit; if the received telephone number record is stored in the memory unit and the received telephone number has a corresponding ring tone stored in the memory unit, the process unit processes the corresponding ring tone and transmits the corresponding ring tone to the converting unit, the converting unit converts sound signals of the corresponding ring tone to control signals used to control the backlight module and transmits the control signals to the backlight drive module.
4. The display screen as claimed in claim 1, wherein the backlight drive module circuit is a current source circuit.
5. The display screen as claimed in claim 1, wherein the backlight module includes \u201cn\u201d light emitted diodes, thus having 2n operation modes.
6. The display screen as claimed in claim 5, wherein notes of a ring tone corresponding to an incoming call correspond to the operation modes of the backlight modules.
7. A method of shining the display screen, comprising:
providing a receiving module;
receiving an incoming call with a telephone number using the receiving module;
providing a control module;
transmitting the telephone number to the control module, the control module comprising a memory unit, a process unit, and a converting unit;
providing a backlight drive module circuit and a backlight module;
determining whether the received telephone number is stored in the memory unit and whether the received telephone number has a corresponding incoming ring tone stored in the memory unit using the process unit;
wherein if the received telephone number is not stored in the memory unit or the received telephone number does not have corresponding incoming ring tone stored in the memory unit, the process unit uses a default ring tone and transmits the default ring tone to the converting unit; if the received telephone number is stored in the memory unit and the received telephone number has corresponding incoming ring tone stored in the memory unit, the process unit runs the corresponding incoming ring tone and transmits the incoming ring tone to the converting unit;
converting sound signals of the incoming ring tone or the default ring tone to control signals and transmits the control signals to the backlight drive module using the converting unit;
driving the backlight module using the backlight drive module.
8. The display screen as claimed in claim 7, wherein the backlight module includes \u201cn\u201d light emitted diodes, thus having 2n operation modes.
9. The display screen as claimed in claim 8, wherein notes of an incoming call correspond to the operation modes of the backlight modules.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A spatio-temporal hybrid scalable video coding apparatus using subband decomposition, comprising:
an encoder for applying a spatial scalability through a subband decomposition to a picture according to temporal scalability BL (base layer)EL (enhancement layer) in order to decompose the picture into four subbands, coding one low frequency element subband in a spatial scalability BL, coding the rest three high frequency element subbands in a spatial scalability EL, magnifying a motion vector calculated through a motion estimation of the subband in the spatial scalability BL twice and using the magnified value for a motion compensation of the spatial scalability EL; and
a decoder for restoring the picture of the spatial scalability BL separated from the temporal scalability BLEL by decoding the low frequency element subband and restoring the picture of the spatial scalability EL separated from the temporal scalability BLEL by performing a motion compensation by magnifying the motion vector of the spatial scalability BL twice;
wherein the encoder comprises:
a first motion estimation unit 10A for calculating independently a motion vector in the low frequency element subband (LL) of the spatial scalability BL of the temporal scalability BL, calculating a residue between the motion vector and a predicted motion vector and outputting it; a first motion compensation unit 10B for calculating a predicted value of the low frequency subband (LL);
a first residual coding unit 10C for calculating a residue between the predicted value of the low frequency subband (LL) and an inputted low frequency subband (LL) and outputting it;
a variable length coding unit 10D for performing coding by receiving the residue of the first motion estimation unit 10A and the residue of the first residual coding unit 10C;
a first residual decoding unit 10E for calculating a decoded residue;
a first buffer 10F for storing the decoded low frequency subband (LL) by adding the decoded residue of the first residual decoding unit 10E to the predicted value of the first motion compensation unit 10B in order to be used at other picture’s motion estimation;
a second motion compensation unit 10G for performing a motion compensation by magnifying the motion vector calculated in the spatial scalability BL of the temporal scalability BL twice;
a second residual coding unit 10H for calculating a residue between the predicted value of the high frequency subbands (LH, HL, HH) and an inputted high frequency subband (LH, HL, HH) when the motion-compensated result value is decomposed into four subbands (LL, LH, HL, HH) and outputting the residue;
a second buffer 10I for synthesizing the decoded low frequency element subband (LL) in the spatial scalability BL of the temporal scalability BL with the high frequency element subbands (LH, HL, HH) decoded in the spatial scalability EL of the temporal scalability BL and storing it;
a second residual decoding unit 10J for calculating a decoded residue;
a second motion estimation unit 10K for calculating independently a motion vector in the low frequency subband (LL) of the spatial scalability BL of the temporal scalability EL and outputting it;
a third motion compensation unit 10L for calculating a predicted value of the low frequency subband (LL) through a motion compensation;
a third residual coding unit 10M for calculating a residue between the predicted value of the low frequency subband (LL) and an inputted low frequency subband (LL) and outputting it; a fourth motion compensation unit 10N for magnifying the motion vector calculated in the spatial scalability BL of the temporal scalability EL twice and performing a motion compensation by using the magnified value; and
a fourth residual coding unit 10O for calculating a residue between the predicted value of the high frequency subbands (LH, HL, HH) and the inputted high frequency subbands (LH, HL, HH) when the motion-compensated result value is decomposed into the four subbands (LL, LH, HL, HH) and outputting the residue.
2. A spatio-temporal hybrid scalable video coding apparatus using subband decomposition, comprising:
an encoder for applying a spatial scalability through a subband decomposition to a picture according to temporal scalability BL (base layer)EL (enhancement layer) in order to decompose the picture into four subbands, coding one low frequency element subband in a spatial scalability BL, coding the rest three high frequency element subbands in a spatial scalability EL, magnifying a motion vector calculated through a motion estimation of the subband in the spatial scalability BL twice and using the magnified value for a motion compensation of the spatial scalability EL; and
a decoder for restoring the picture of the spatial scalability BL separated from the temporal scalability BLEL by decoding the low frequency element subband and restoring the picture of the spatial scalability EL separated from the temporal scalability BLEL by performing a motion compensation by magnifying the motion vector of the spatial scalability BL twice;
wherein the decoder comprises:
a first motion compensation unit 20B for calculating a predicted value of a low frequency subband (LL) in the spatial scalability BL of the temporal scalability BL to be decoded by using a motion vector inputted from a variable length decoding unit 20A;
a first residual decoding unit 20C for calculating a decoded low frequency subband (LL) residue about a bit stream transmitted to the decoder;
a first buffer 20D for storing a decoded low frequency subband (LL) by adding the predicted value of first motion compensation unit 20B to the decoded residue of first residual decoding unit 20C;
a second motion compensation unit 20E for performing a motion compensation by magnifying the motion vector calculated in the spatial scalability BL of the temporal scalability BL twice;
a first subband analysis unit 20F for decomposing the motion-compensated value into four subbands (LL, LH, HL, HH);
a first subband synthesis unit 20H for calculating the high frequency element subbands (LH, HL, HH) of an EI or EP picture by adding the predicted value of the high frequency subbands (LH, HL, HH) to the decoded residue through the variable length decoding unit 20A and the second residual decoding unit 20G and restoring an EI or EP picture as a picture in the spatial region by synthesizing the subbands (LH, HL, HH) with the subband (LL) decoded in the spatial scalability BL of the temporal scalability BL;
a second buffer 20I for storing the restored macro block in spatial scalability EL of temporal scalability BL;
a third motion compensation unit 20J for calculating a predicted value of the low frequency subband (LL) in spatial scalability BL of the temporal scalability EL by using the I or P picture decoded in the spatial scalability BL of the temporal scalability BL and performing a motion compensation using the motion vector;
a third residual decoding unit 20K for calculating a decoded low frequency subband (LL) residue and restoring a B picture by adding the predicted value through the motion compensation to the decoded residue;
a fourth motion compensation unit 20L for calculating a predicted value of an EB picture by magnifying the motion vector in the spatial scalability BL of the temporal scalability EL twice and performing a motion compensation referencing an EI or EP picture decoded in the spatial scalability EL of the temporal scalability BL;
a second subband analysis unit 20M for decomposing the motion-compensated value into the four subbands (LL, LH, HL, HH);
a fourth residual decoding unit 20N for calculating a decoded macro-block residue about a bit stream transmitted to the decoder; and
a second subband synthesis unit 20O for restoring an EB picture as a picture in the spatial region by calculating a high frequency element subbands (LH, HL, HH) value of the EB picture by adding the subbands (LH, HL, HH) as a predicted value of high frequency element to the residue decoded through the variable length decoding unit 20A and the fourth residual decoding unit 20K and synthesizing the calculated value with the subband (LL) decoded in the spatial scalability BL of the temporal scalability EL.
3. A spatio-temporal hybrid scalable video coding apparatus using subband decomposition, comprising:
an encoder for applying a spatial scalability through a subband decomposition to a picture according to temporal scalability BL (base layer)EL (enhancement layer) in order to decompose the picture into four subbands, coding one low frequency element subband in a spatial scalability BL, coding the rest three high frequency element subbands in a spatial scalability EL, magnifying a motion vector calculated through a motion estimation of the subband in the spatial scalability BL twice and using the magnified value for a motion compensation of the spatial scalability EL; and
a decoder for restoring the picture of the spatial scalability BL separated from the temporal scalability BLEL by decoding the low frequency element subband and restoring the picture of the spatial scalability EL separated from the temporal scalability BLEL by performing a motion compensation by magnifying the motion vector of the spatial scalability BL twice.
wherein the encoder includes a first motion estimation unit 10A for calculating independently a motion vector in the low frequency element subband (LL) of the spatial scalability BL of the temporal scalability BL, calculating a residue between the motion vector and a predicted motion vector and outputting it;
a first motion compensation unit 10B for calculating a predicted value of the low frequency subband (LL);
a first residual coding unit 10C for calculating a residue between the predicted value of the low frequency subband (LL) and an inputted low frequency subband (LL) and outputting it;
a variable length coding unit 10D for performing coding by receiving the residue of the first motion estimation unit 10A and the residue of the first residual coding unit 10C;
a first residual decoding unit 10E for calculating a decoded residue;
a first buffer 10F for storing the decoded low frequency subband (LL) by adding the decoded residue of the first residual decoding unit 10E to the predicted value of the first motion compensation unit 10B in order to be used at other picture’s motion estimation;
a second motion compensation unit 10G for performing a motion compensation by magnifying the motion vector calculated in the spatial scalability BL of the temporal scalability BL twice;
a second residual coding unit 10H for calculating a residue between the predicted value of the high frequency subbands (LH, HL, HH) and an inputted high frequency subband (LH, HL, HH) when the motion-compensated result value is decomposed into four subbands (LL, LH, HL, HH) and outputting the residue;
a second buffer 101 for synthesizing the decoded low frequency element subband (LL) in the spatial scalability BL of the temporal scalability BL with the high frequency element subbands (LH, HL, HH) decoded in the spatial scalability EL of the temporal scalability BL and storing it;
a second residual decoding unit 10J for calculating a decoded residue;
a second motion estimation unit 10K for calculating independently a motion vector in the low frequency subband (LL) of the spatial scalability BL of the temporal scalability EL and outputting it;
a third motion compensation unit 10L for calculating a predicted value of the low frequency subband (LL) through a motion compensation;
a third residual coding unit 10M for calculating a residue between the predicted value of the low frequency subband (LL) and an inputted low frequency subband (LL) and outputting it; a fourth motion compensation unit 10N for magnifying the motion vector calculated in the spatial scalability BL of the temporal scalability EL twice and performing a motion compensation by using the magnified value; and
a fourth residual coding unit 10O for calculating a residue between the predicted value of the high frequency subbands (LH, HL, RH) and the inputted high frequency subbands (LH, HL, HH) when the motion-compensated result value is decomposed into the four subbands (LL, LH, HL, HH) and outputting the residue.
4. A spatio-temporal hybrid scalable video coding apparatus using subband decomposition, comprising:
an encoder for applying a spatial scalability through a subband decomposition to a picture according to temporal scalability BL (base layer)EL (enhancement layer) in order to decompose the picture into four subbands, coding one low frequency element subband in a spatial scalability BL, coding the rest three high frequency element subbands in a spatial scalability EL, magnifying a motion vector calculated through a motion estimation of the subband in the spatial scalability BL twice and using the magnified value for a motion compensation of the spatial scalability EL; and
a decoder for restoring the picture of the spatial scalability BL separated from the temporal scalability BLEL by decoding the low frequency element subband and restoring the picture of the spatial scalability EL separated from the temporal scalability BLEL by performing a motion compensation by magnifying the motion vector of the spatial scalability BL twice. The apparatus of claim 1, wherein the decoder comprises:
a first motion compensation unit 20B for calculating a predicted value of a low frequency subband (LL) in the spatial scalability BL of the temporal scalability BL to be decoded by using a motion vector inputted from a variable length decoding unit 20A;
a first residual decoding unit 20C for calculating a decoded low frequency subband (LL) residue about a bit stream transmitted to the decoder;
a first buffer 20D for storing a decoded low frequency subband (LL) by adding the predicted value of first motion compensation unit 20B to the decoded residue of first residual decoding unit 20C;
a second motion compensation unit 20E for performing a motion compensation by magnifying the motion vector calculated in the spatial scalability BL of the temporal scalability BL twice;
a first subband analysis unit 20F for decomposing the motion-compensated value into four subbands (LL, LH, HL, HH);
a first subband synthesis unit 20H for calculating the high frequency element subbands (LH, HL, HH) of an EI or EP picture by adding the predicted value of the high frequency subbands (LH, HL, HH) to the decoded residue through the variable length decoding unit 20A and the second residual decoding unit 20G and restoring an EI or EP picture as a picture in the spatial region by synthesizing the subbands (LH, HL, HH) with the subband (LL) decoded in the spatial scalability BL of the temporal scalability BL;
a second buffer 20I for storing the restored macro block in spatial scalability EL of temporal scalability BL;
a third motion compensation unit 20J for calculating a predicted value of the low frequency subband (LL) in spatial scalability BL of the temporal scalability EL by using the I or P picture decoded in the spatial scalability BL of the temporal scalability BL and performing a motion compensation using the motion vector;
a third residual decoding unit 20K for calculating a decoded low frequency subband (LL) residue and restoring a B picture by adding the predicted value through the motion compensation to the decoded residue;
a fourth motion compensation unit 20L for calculating a predicted value of an EB picture by magnifying the motion vector in the spatial scalability BL of the temporal scalability EL twice and performing a motion compensation referencing an EL or EP picture decoded in the spatial scalability EL of the temporal scalability BL;
a second subband analysis unit 20M for decomposing the motion-compensated value into the four subbands (LL, LH, HL, RH);
a fourth residual decoding unit 20N for calculating a decoded macro-block residue about a bit stream transmitted to the decoder; and
a second subband synthesis unit 20O for restoring an EB picture as a picture in the spatial region by calculating a high frequency element subbands (LH, HL, HH) value of the EB picture by adding the subbands (LH, HL, HH) as a predicted value of high frequency element to the residue decoded through the variable length decoding unit 20A and the fourth residual decoding unit 20K and synthesizing the calculated value with the subband (LL) decoded in the spatial scalability BL of the temporal scalability EL.