Image pickup apparatus, video signal processing apparatus, and video signal processing method
This image pickup apparatus includes: an image pickup unit including an image pickup element; a first video signal processing unit that generates a first video signal having a first resolution from a pixel signal obtained by the image pickup unit; a second video signal processing unit that sets a plurality of divided areas for spatially segmenting the first video signal generated by the first video signal processing unit, cuts out the first video signal in a region smaller than a size of the corresponding divided area as a block from the first video signal in each of the individual divided areas, and connects them to one another, to thereby generate a second video signal having a second resolution lower than the first resolution; and a view finder that displays the second video signal.
1. An image pickup apparatus, comprising:
an image pickup unit including an image pickup element;
a first video signal processing unit configured to generate a first video signal having a first resolution from a pixel signal obtained by the image pickup unit;
a second video signal processing unit configured to:
set a plurality of divided areas for spatially segmenting at least part of the first video signal generated by the first video signal processing unit,
cut out the first video signal in a region smaller than a size of the corresponding divided area as a block from the first video signal in each of the plurality of divided areas, and
connect individual divided areas to one another to thereby generate a second video signal having a second resolution lower than the first resolution; and
a view finder configured to display the second video signal.
2. The image pickup apparatus according to claim 1 , wherein
the size of the divided area includes 3 horizontal×3 vertical pixels or more and the size of the block includes either 2 horizontal×1 vertical pixels or more or 1 horizontal×2 vertical pixels or more.
3. The image pickup apparatus according to claim 2 , wherein
the second video signal processing unit is configured to segment the first video signal into one or more divided areas having a first size and a plurality of divided areas having a second size smaller than the first size.
4. The image pickup apparatus according to claim 3 , wherein
the second video signal processing unit is configured to arrange the one or more divided areas having the first size at a center portion of a video space according to the first video signal and arrange the plurality of divided areas having the second size at a periphery of the one or more divided areas having the first size.
5. The image pickup apparatus according to claim 4 , wherein
the second video signal processing unit is configured to set the block is present over the plurality of divided areas.
6. The image pickup apparatus according to claim 1 , wherein
the second video signal processing unit further includes:
a downconverter configured to generate a third video signal having the second resolution from the first video signal by downconversion, and
a switching unit configured to switch between the second video signal and the third video signal.
7. The image pickup apparatus according to claim 1 , wherein
the second video signal processing unit further includes a detail processing unit configured to perform processing of emphasizing a contour of the second video signal by skipping a joint between the blocks.
8. The image pickup apparatus according to claim 1 , further comprising
an output unit configured to output the second video signal generated by the second video signal processing unit to an external apparatus.
9. The image pickup apparatus according to claim 1 , further comprising
an operation input unit including at least one operation element configured to receive an operation by a user, and
a control unit configured to detect a state of the at least one operation element at a time of image pickup and reflect setting information based on the operation to an operation of the second video signal processing unit in real time.
10. The image pickup apparatus according to claim 9 , wherein
the setting information includes a number of divided areas.
11. The image pickup apparatus according to claim 9 , wherein
the setting information includes a size of the block.
12. The image pickup apparatus according to claim 9 , wherein
the setting information includes a position of the block.
13. The image pickup apparatus according to claim 9 , wherein
the setting information includes on/off of segmenting the first video signal into the one or more divided areas having a first size and the plurality of divided areas having a second size.
14. An image pickup apparatus, comprising:
an image pickup unit including an image pickup element;
a first video signal processing unit configured to generate a first video signal having a first resolution from a pixel signal obtained by the image pickup unit;
a second video signal processing unit configured to:
generate a downconverted video by downconverting the first video signal in an outer edge portion,
set a plurality of divided areas for spatially segmenting the first video signal in a region inside the outer edge portion,
cut out the first video signal in a region smaller than a size of the corresponding divided area as a block from the first video signal in each of the plurality of divided areas,
connect the blocks to one another to thereby generate block-connected video, and
connect the downconverted video and the block-connected video to each other to thereby generate a second video signal having a second resolution lower than the first resolution; and
a view finder configured to display the second video signal.
15. A video signal processing apparatus, comprising:
a first video signal processing unit configured to generate a first video signal having a first resolution from a pixel signal obtained by an image pickup apparatus; and
a second video signal processing unit configured to:
set a plurality of divided areas for spatially segmenting the first video signal generated by the first video signal processing unit,
cut out the first video signal in a region smaller than a size of the corresponding divided area as a block from the first video signal in each of the plurality of divided areas, and
connect the blocks to one another to thereby generate a second video signal having a second resolution lower than the first resolution.
16. A video signal processing method, comprising:
generating, by a first video signal processing unit, a first video signal having a first resolution from a pixel signal obtained by an image pickup apparatus;
setting, by a second video signal processing unit, a plurality of divided areas for spatially segmenting the first video signal;
cutting out the first video signal in a region smaller than a size of the corresponding divided area as a block from the first video signal in each of the plurality of divided areas; and
connecting the blocks to one another to thereby generate a second video signal having a second resolution lower than the first resolution.
17. An image pickup apparatus, comprising:
an image pickup unit including an image pickup element;
a first video signal processing unit configured to generate a first video signal having a first resolution from a pixel signal obtained by the image pickup unit;
a second video signal processing unit configured to:
set a plurality of divided areas for spatially segmenting at least part of the first video signal generated by the first video signal processing unit,
cut out the first video signal in a region smaller than a size of the corresponding divided area as a block from the first video signal in each of the plurality of divided areas, and
connect the blocks to one another to thereby generate a second video signal having a second resolution lower than the first resolution; and
an output unit that outputs the second video signal.