1. A method for processing a video signal, comprising:
searching spatial neighboring blocks of a current texture block for a block coded using a reference view motion vector;
storing, in a candidate list, a reference inter-view motion vector corresponding to a reference view motion vector of the searched spatial neighboring block;
searching temporal neighboring blocks of the current texture block for a block coded using a reference view motion vector;
storing, in the candidate list, a reference inter-view motion vector corresponding to a reference view motion vector of the searched temporal neighboring block;
deriving an inter-view motion vector of the current texture block using one of reference inter-view motion vectors stored in the candidate list; and
performing inter-view inter-prediction on the current texture block using the derived inter-view motion vector.
2. The method according to claim 1, wherein the deriving of the inter-view motion vector of the current texture block using one of reference inter-view motion vectors stored in the candidate list is performed only when blocks coded according to inter-view inter-prediction are not present in the spatial neighboring blocks and the temporal neighboring blocks.
3. The method according to claim 1, wherein the deriving of the inter-view motion vector of the current texture block using one of reference inter-view motion vectors stored in the candidate list comprises deriving the inter-view motion vector of the current texture block using a reference inter-view motion vector initially stored in the candidate list.
4. The method according to claim 1, further comprising:
checking a prediction mode of the current texture block; and
storing the derived inter-view motion vector when the prediction mode is a skip mode,
wherein the stored inter-view motion vector is reused to derive an inter-view motion vector of another texture block.
5. The method according to claim 1, wherein the spatial neighboring blocks include at least one of a lower left neighboring block, a left neighboring block, an upper right neighboring block, an upper neighboring block and an upper left neighboring block of the current texture block.
6. The method according to claim 1, wherein the temporal neighboring blocks include at least one of a collocated block of the current texture block and a coding block including a neighboring block adjacent to the collocated block.
7. The method according to claim 1, wherein the reference inter-view motion vector is an inter-view motion vector corresponding to a reference view motion vector when at least one of the spatial neighboring blocks and the temporal neighboring blocks is derived using the reference view motion vector.
8. A device for processing a video signal, comprising:
an inter-view motion vector determination unit configured to search spatial neighboring blocks of a current texture block for a block coded using a reference view motion vector, to store, in a candidate list, a reference inter-view motion vector corresponding to a reference view motion vector of the searched spatial neighboring block, to search temporal neighboring blocks of the current texture block for a block coded using a reference view motion vector, and to store, in the candidate list, a reference inter-view motion vector corresponding to a reference view motion vector of the searched temporal neighboring block,
wherein the inter-view motion vector determination unit is configured to derive an inter-view motion vector of the current texture block using one of reference inter-view motion vectors stored in the candidate list and to perform inter-view inter-prediction on the current texture block using the derived inter-view motion vector.
9. The device according to claim 8, wherein the inter-view motion vector determination unit derives the inter-view motion vector of the current texture block only when blocks coded according to inter-view inter-prediction are not present in the spatial neighboring blocks and the temporal neighboring blocks.
10. The device according to claim 8, wherein the inter-view motion vector determination unit derives the inter-view motion vector of the current texture block using a reference inter-view motion vector initially stored in the candidate list.
11. The device according to claim 8, wherein the inter-view motion vector determination unit is configured to check a prediction mode of the current texture block and to store the derived inter-view motion vector when the prediction mode is a skip mode, wherein the stored inter-view motion vector is reused to derive an inter-view motion vector of another texture block.
12. The device according to claim 8, wherein the spatial neighboring blocks include at least one of a lower left neighboring block, a left neighboring block, an upper right neighboring block, an upper neighboring block and an upper left neighboring block of the current texture block.
13. The device according to claim 8, wherein the temporal neighboring blocks include at least one of a collocated block of the current texture block and a coding block including a neighboring block adjacent to the collocated block.
14. The device according to claim 8, wherein the reference inter-view motion vector is an inter-view motion vector corresponding to a reference view motion vector when at least one of the spatial neighboring blocks and the temporal neighboring blocks is derived using the reference view motion vector.
15. A non-temporary computer-readable recording medium storing the method for processing a video signal of claim 1.
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. An automatic focusing apparatus of an imaging apparatus provided with an operation unit that detects a change instruction of a zoom position by an operator, the automatic focusing apparatus comprising:
a zoom control unit configured to change a zoom position to a wide-angle side when a first operation by an operator is detected by the operation unit, and configure to change a zoom position to a telephoto side when a second operation by the operator is detected by the operation unit;
a storage processing unit configured, when a zoom position is changed to the wide-angle side by the zoom control unit, to store the zoom position, wherein a change to the telephoto side by the zoom control unit makes the stored zoom position as a target; and
a focus adjustment unit configured to move a focus lens so as to bring an object into an in-focus state, wherein the focus adjustment unit, while processing for changing the zoom position is being performed by the zoom control unit, performs a regulating operation of operation for focusing on the object.
2. The automatic focusing apparatus according to claim 1, wherein the focus adjustment unit, after a zoom position has been changed to a telephoto side by the zoom control unit, brings the object into an in-focus state by moving the focus lens.
3. The automatic focusing apparatus according to claim 1, wherein the focus adjustment unit moves the focus lens by the first change amount per unit time, before a zoom position has been changed to the wide-angle side by the zoom control unit, and moves the focus lens by a second change amount greater than the first change amount per unit time, after the zoom position has been changed to the telephoto side by the zoom control unit.
4. An imaging apparatus provided with the automatic focusing apparatus according to claim 1, the imaging apparatus comprising:
a sensor configured to receive light passing through the focus lens and to capture an image,
wherein the focus adjustment unit continues to perform focusing on an object in at least either of, before a zoom position has been changed to a wide-angle side by the zoom control unit, before the zoom position has been changed to a telephoto side, and before an image is captured with the sensor.
5. The imaging apparatus according to claim 4, wherein the focus adjustment unit moves the focus lens according to an output from the sensor corresponding to a first region, before a zoom position has been changed to a wide-angle side by the zoom control unit, and moves the focus lens according to an output from the sensor corresponding to a second region wider than the first region, after a zoom position has been changed to a telephoto side by the zoom control unit.
6. The imaging apparatus according to claim 5, wherein the second region includes a plurality of regions.