Photic image processing method

Abstract

The present invention relates to a photic image processing method which includes steps of (1) processing a photic image unit to generate a photic image signal having a plurality of basic image signals, (2) performing a first regulating compensation to each of the basic image signals of the photic image to generate a first compensated basic image signals in order to equilibrate the basic image signals of the photic image signal, (3) multiplexing the first compensated basic image signals in a period of time to generate a multiplexed photic image signal having the compensated basic image signals in series in the period of time, wherein the period is equal to a time of processing a photic image unit, and (4) performing a second regulating compensation for the multiplexed photic image signal to generate a second compensated multiplexed photic image signal. The photic image processing method disclosed in this disclosure is capable of producing a photic image having high resolution and quality.

1. A photic image processing method executed by a photic image pick-up circuit including a lamp having a brightness, a lens and charge coupled device (CCD), the method comprising steps of:
 (1) processing a photic image unit to generate a photic image signal having a plurality of basic image signals each of which represents, individual signals representing a fundamental color, wherein said the basic image signals of said the photic image signal are respectively 3 three basic signals indicative of red, green and blue fundamental colors; 
 (2) performing a first regulating compensation to each of said the basic image signals of said the photic image signal to generate first compensated basic image signals, wherein said the first regulating compensation regulates and equilibrates said the photic image signals of red, green and blue fundamental colors and compensates a lamp aging phenomenon of said the photic image pick-up circuit; 
 (2a) eliminating a common-mode voltage of said the photic image signal; 
 (2b) regulating a DC voltage offset of said the photic image signal; 
 (2c) amplifying and outputting said the photic image signal whose said the DC voltage offset is regulated; 
 (2d) performing said the first regulating compensation in response to a control signal, in order to equilibrate said the basic image signals of said the photic image signal; 
 (3) multiplexing said the first compensated basic image signals in a period of time to generate a multiplexed photic image signal having said the first compensated basic image signals in series in said the period of time, wherein said the period is equal to a time of processing a photic image unit; and 
 (4) performing a second regulating compensation for said the multiplexed photic image signal to generate a second compensated multiplexed photic image signal. 
 
     
     
       2. A The photic image processing method as claimed in of  claim 1 , wherein said step (3) further includes steps of multiplexing the first compensated basic image signals in a period of time further comprises:
 (3a) equally dividing said the period of time into three segments, and multiplexing said 3 the three basic signals of red, green and blue fundamental colors in said the three segments to obtain a multiplexed photic image signal alternately containing therein said 3 the three basic signals; 
 (3b) outputting three compensation values at said the three segments, each of said the three compensation values compensating one of said 3 the three basic signals of red, green and blue fundamental colors at the corresponding segment in said the multiplexed photic image signal; and 
 (3c) compensating said 3 the three basic signals of red, green and blue fundamental colors in said the multiplexed photic image signal by multiplying respectively said the three compensation values therefor to accomplish said the second regulating compensation. 
 
     
     
       3. A The photic image processing device as claimed in method of  claim 1 , wherein said performing the second regulating compensation correlates and compensates comprises correlating and compensating a non-uniformity among said the lamp's brightness, said the lens, and said the charge coupled device (CCD). 
     
     
       4. A The photic image processing method according to of claim  2  1, wherein said the method further includes steps of:
 (1) converting said the second compensated multiplexed photic image signal into a digital photic image signal; and 
 (2) generating said the control signal corresponding to said the digital photic image signal. 
 
     
     
       5. A photic image processing method, comprising steps of:
 (1) processing a photic image unit to generate a photic image signal having a plurality of basic image signals; 
 (2) performing a first regulating compensation to each of said the basic image signals of said the photic image to generate a first compensated basic image signals in order to equilibrate said the basic image signals of said the photic image signal; 
 (3) multiplexing said the first compensated basic image signals in a period of time to generate a multiplexed photic image signal having said the compensated basic image signals in series in said the period of time, wherein said the period is equal to a time of processing a photic image unit; 
 (3a) equally dividing said the period of time into three segments, and multiplexing said 3 the three basic signals of red, green and blue fundamental colors in said the three segments to obtain a multiplexed photic image signal alternately containing therein said 3 the three basic signals; 
 (3b) outputting three compensation values at said the three segments, each of said the three compensation values compensating one of said 3 the three basic signals of red, green and blue fundamental colors at the corresponding segment in said the multiplexed photic image signal; 
 (3c) compensating said 3 the three basic signals of red, green and blue fundamental colors in said the multiplexed photic image signal by multiplying respectively said the three compensation values therefor to accomplish said the second regulating compensation; and 
 (4) performing a second regulating compensation for said the, multiplexed photic image signal to generate a second compensated multiplexed photic image signal; 
 
       wherein said the basic image signals of said the photic image signal are respectively 3 three basic signals indicative of red, green and blue fundamental colors, where is executed by a photic image pick up circuit including a lamp having a brightness, a lens and charge coupled device (CCD), and 
       wherein said the first regulating compensation regulates and equilibrates said the photic image signals of red, green and blue fundamental colors and compensates a lamp aging ageing phenomenon of said the photic image pick-up circuit. 
     
     
       6. A method comprising:
 generating an image signal having a plurality of basic image signals each of which represents a fundamental color, wherein the basic image signals comprise signals indicative of red, green and blue fundamental colors;   performing a first regulating compensation of the basic image signals to create first compensated basic image signals, the first regulating compensation comprising:
 eliminating an offset voltage of the basic image signals; 
 equilibrating the basic image signals; and 
 compensating an image aliasing of the basic image signals; 
   dividing a period of time of processing an image unit into three segments;   generating three compensation values at the three segments;   multiplying the three compensation values to generate a multiplexed image signal having the first compensated basic image signals in series; and   performing a second regulating compensation for the multiplexed image signal to generate a second compensated multiplexed image signal.    
     
     
       7. The method of claim 6, further comprising obtaining a multiplexed image signal containing therein three basic image signals.  
     
     
       8. The method of claim 6 wherein the compensation values correspond to one of three basic image signals of red, green and blue fundamental colors at a corresponding segment in the multiplexed image signal.  
     
     
       9. The method of claim 6 wherein the second regulating compensation further comprises correlating and compensating the image aliasing.  
     
     
       10. The method of claim 6 wherein the method further comprises: converting the second compensated multiplexed image signal into a digital image signal.  
     
     
       11. A method comprising:
 generating an image signal having a plurality of basic image signals each of which represents a fundamental color, wherein the basic image signals comprise signals indicative of red, green and blue fundamental colors;   performing a first regulating compensation of the basic image signals to create first compensated basic image signals, the first regulating compensation comprising:
 equilibrating the basic image signals, and 
 compensating a photic image aliasing of the basic image signals; 
   multiplexing the first compensated basic image signals to generate a multiplexed image signal having the first compensated basic image signals in series in a period of time of processing an image unit and wherein the multiplexing further comprises:
 dividing the period of time into three segments, 
 outputting three compensation values at the three segments, and 
 multiplying respectively the three compensation values; and 
   performing a second regulating compensation for the multiplexed image signal to generate a second compensated multiplexed image signal.    
     
     
       12. An apparatus, comprising:
 means for generating an image signal having a plurality of basic image signals each of which represents a fundamental color, wherein the basic image signals comprise signals indicative of red, green and blue fundamental colors;   means for performing a first regulating compensation of the basic image signals to create first compensated basic image signals, the means for performing the first regulating compensation comprising:
 means for eliminating an offset voltage of the basic image signals, 
 means for equilibrating the basic image signals, and 
 means for compensating a photic image aliasing of the basic image signals; 
   means for multiplexing the first compensated basic image signals to generate a multiplexed image signal having the first compensated basic image signals in series in a period of time of processing an image unit, wherein multiplexing the first compensated basic image signals further comprises:
 dividing the period of time into a plurality of segments, 
 outputting a plurality of compensation values at the plurality of segments, and 
 multiplying the segments by a corresponding compensation value; and 
   means for performing a second regulating compensation for the multiplexed image signal to generate a second compensated multiplexed image signal.    
     
     
       13. The apparatus of claim 12, further comprising means for obtaining a multiplexed image signal containing therein three basic image signals.  
     
     
       14. The apparatus of claim 12 wherein the three compensation values correspond to one of three basic image signals of red, green and blue fundamental colors at a corresponding segment in the multiplexed image signal.  
     
     
       15. The apparatus of claim 12 wherein the means for performing the second regulating compensation further comprises means for correlating and means for compensating the photic image aliasing.  
     
     
       16. The apparatus of claim 12, further comprising means for converting the second compensated multiplexed image signal into a digital image signal.  
     
     
       17. An apparatus comprising:
 means for generating an image signal having a plurality of basic image signals each of which represents a fundamental color, wherein the basic image signals comprise signals indicative of red, green and blue fundamental colors;   means for performing a first regulating compensation of the basic image signals to create first compensated basic image signals, the means for performing the first regulating compensation comprising:
 means for equilibrating the basic image signals; and 
 means for compensating an image aliasing of the basic image signals; 
   means for multiplexing the first compensated basic image signals to generate a multiplexed image signal having the first compensated basic image signals in series in a period of time of processing an image unit and wherein the means for multiplexing further comprises:
 means for dividing the period of time into three segments; 
 means for outputting three compensation values at the three segments; and 
 means for multiplying respectively the three compensation values; and 
 means for performing a second regulating compensation for the multiplexed image signal to generate a second compensate multiplexed image signal.