Receiving apparatus and intra-subject information acquiring system
To acquire much accurate image information having no noise, without increasing load in the post-processing of the image information, a receiving apparatus 3 includes: a synchronization signal detector 34 that detects a horizontal synchronization signal and a vertical synchronization signal; an image processor 35 that performs an image generation process of each frame based on the horizontal synchronization signal and the vertical synchronization signal detected by the synchronization signal detector 34; and an image deletion controller 36a that controls to delete an image of the current frame, when a horizontal synchronization signal within one frame detected by the synchronization signal detector 34 is not continuously detected by a first predetermined number or more, or when a horizontal synchronization signal within one frame detected by the synchronization signal detector 34 is not continuously detected by a second predetermined number or more, or when a vertical synchronization signal detected by the synchronization signal detector 34 is not continuously detected by a third predetermined number or more.
1. A receiving apparatus comprising:
a detector that detects a horizontal synchronization signal from an image signal of one frame having a plurality of line information components and the horizontal synchronization signal attached to each line information component;
an image processor that performs an image generation process of each frame based on the horizontal synchronization signal detected by the detector;
a controller that controls to delete an image of a current frame, when the detector does not detect a predetermined number or more horizontal synchronization signals within one frame; and
a reproduction signal generator that generates a horizontal reproduction signal based on a horizontal synchronization signal detected earlier by the detector in such a manner that the horizontal reproduction signal corresponds to the horizontal synchronization signal, when the detector fails to detect the horizontal synchronization signal,
wherein the image processor starts processing a line information component from which the detector has failed to detect the horizontal synchronization signal, based on the horizontal reproduction signal.
2. A receiving apparatus comprising:
a detector that detects a horizontal synchronization signal from an image signal of one frame having a plurality of line information components and the horizontal synchronization signal attached to each line information component;
an image processor that performs an image generation process of each frame based on the horizontal synchronization signal detected by the detector;
a controller that controls to delete an image of a current frame, when the detector does not continuously detect a predetermined number or more horizontal synchronization signals within one frame; a reproduction signal generator that generates a horizontal reproduction signal based on a horizontal synchronization signal detected earlier by the detector in such a manner that the horizontal reproduction signal corresponds to the horizontal synchronization signal, when the detector fails to detect the horizontal synchronization signal,
wherein the image processor starts processing a line information component from which the detector has failed to detect the horizontal synchronization signal, based on the horizontal reproduction signal.
3. A receiving apparatus comprising:
a detector that detects a vertical synchronization signal from an image signal of one frame having a plurality of line information components and the vertical synchronization signal attached to plural line information components;
an image processor that performs an image generation process of each frame based on the vertical synchronization signal detected by the detector;
a controller that controls to delete an image of a current frame, when the detector does not continuously detect a predetermined number or more vertical synchronization signals;
a vertical reproduction signal generator that generates a vertical reproduction signal based on a vertical synchronization signal detected earlier by the detector in such a manner that the vertical reproduction signal corresponds to the vertical synchronization signal, when the detector fails to detect the vertical synchronization signal,
wherein the image processor starts processing a frame from which the detector has failed to detect the vertical synchronization signal, based on the vertical reproduction signal.
4. A receiving apparatus comprising:
a detector that detects a horizontal synchronization signal and a vertical synchronization signal from an image signal of one frame having a plurality of line information components and the horizontal synchronization signal attached to each line information component;
an image processor that performs an image generation process of each frame based on the horizontal synchronization signal and the vertical synchronization signal detected by the detector;
a controller that controls to delete an image of a current frame, when the detector does not continuously detect a first predetermined number or more horizontal synchronization signals within one frame, or when the detector does not detect a second predetermined number or more horizontal synchronization signals within one frame, or when the detector does not continuously detect a third predetermined number or more vertical synchronization signals; a reproduction signal generator that generates a horizontal reproduction signal based on a horizontal synchronization signal detected earlier by the detector in such a manner that the horizontal reproduction signal corresponds to the horizontal synchronization signal, when the detector fails to detect the horizontal synchronization signal; and
a vertical reproduction signal generator that generates a vertical reproduction signal based on a vertical synchronization signal detected earlier by the detector in such a manner that the vertical reproduction signal corresponds to the vertical synchronization signal, when the detector has failed to detect the vertical synchronization signal,
wherein the image processor starts processing a line information component from which the detector has failed to detect the horizontal synchronization signal, based on the horizontal reproduction signal, and
the image processor starts processing a frame from which the detector fails to detect the vertical synchronization signal, based on the vertical reproduction signal.
5. The receiving apparatus according to claim 1 , comprising a storage unit that stores an image of each frame generated by the image processor.
6. The receiving apparatus according to claim 1 , wherein
when the detector does not detect the horizontal synchronization signal for a predetermined period after detecting one horizontal synchronization signal, the reproduction signal generator generates the horizontal reproduction signal.
7. The receiving apparatus according to claim 1 , wherein
when the detector fails to continuously detect the horizontal synchronization signal two or more times, the controller controls to delete the image of the current frame.
8. The receiving apparatus according to claim 2 , comprising a storage unit that stores an image of each frame generated by the image processor.
9. The receiving apparatus according to claim 3 , comprising a storage unit that stores an image of each frame generated by the image processor.
10. The receiving apparatus according to claim 4 , comprising a storage unit that stores an image of each frame generated by the image processor.
11. The receiving apparatus according to claim 1 , comprising a storage unit that stores an image of each frame generated by the image processor, wherein
when the detector detects the predetermined number or more horizontal synchronization signals within one frame, the controller causes the storage unit to store the image of the current frame.
12. The receiving apparatus according to claim 1 , comprising a storage unit that stores an image of each frame generated by the image processor, wherein
when the detector continuously detects the predetermined number or more horizontal synchronization signals within one frame, the controller causes the storage unit to store the image of the current frame.
13. The receiving apparatus according to claim 2 , wherein
when the detector does not detect the horizontal synchronization signal for a predetermined period after detecting one horizontal synchronization signal, the reproduction signal generator generates the horizontal reproduction signal.
14. The receiving apparatus according to claim 4 , wherein
when the detector does not detect the horizontal synchronization signal for a predetermined period after detecting one horizontal synchronization signal, the reproduction signal generator generates the horizontal reproduction signal.
15. The receiving apparatus according to claim 2 , wherein
when the detector fails to continuously detect the horizontal synchronization signal two or more times, the controller controls to delete the image of the current frame.
16. The receiving apparatus according to claim 4 , wherein
when the detector fails to continuously detect the horizontal synchronization signal two or more times, the controller controls to delete the image of the current frame.