1. A method for processing an image in a video data, the video data comprising a plurality of frames, the method comprising:
obtaining a first difference set between pixel information of one of the frames and pixel information of another one of the frames, wherein the two frames involving the first difference set are one frame apart;
examining a first criterion with the first difference set;
performing cross color suppressing operation on pixel information of a current frame of the plurality of frames according to a set of stationary image judgment information comprising the result of the first criterion examination;
obtaining a third difference set among pixel information of three successive frames of the plurality of frames; and
examining a third criterion with the third difference set;
wherein the set of stationary image judgment information further comprising the result of the third criterion examination.
2. The method of claim 1, wherein the two frames involving the first difference set comprises the current frame, and a frame, which is two frames prior to the current frame.
3. The method of claim 1, wherein the two frames involving the first difference set comprises a frame, which is one frame prior to the current frame, and a frame, which is three frames prior to the current frame.
4. The method of claim 1, wherein the first difference set comprises a difference between pixel information of a target pixel in one of the two frames involving the first difference set and pixel information of a corresponding pixel in the other one of the two frames involving the first difference set.
5. The method of claim 4, wherein the first difference set further comprises a plurality of differences, each between pixel information of one of a plurality of pixels in the vicinity of the target pixel and pixel information of a corresponding pixel in the other one of the two frames involving the first difference set, respectively.
6. The method of claim 1, wherein the first criterion comprises a comparison between a difference in the first difference set and a first threshold value.
7. The method of claim 1, further comprising:
obtaining a second difference set between pixel information of one of the frames and pixel information of another one of the frames, wherein the two frames involving the second difference set are adjacent to each other; and
examining a second criterion with the second difference set;
wherein the set of stationary image judgment information further comprising the result of the second criterion examination.
8. The method of claim 7, wherein the two frames involving the second difference set comprises the current frame, and a frame, which is one frame prior to the current frame.
9. The method of claim 7, wherein the two frames involving the second difference set comprises a frame, which is one frame prior to the current frame, and a frame, which is two frames prior to the current frame.
10. The method of claim 7, wherein the two frames involving the second difference set comprises a frame, which is two frame prior to the current frame, and a frame, which is three frames prior to the current frame.
11. The method of claim 7, wherein the second difference set comprises a difference between pixel information of a target pixel in one of the two frames involving the second difference set and pixel information of a corresponding pixel in the other one of the two frames involving the second difference set.
12. The method of claim 11, wherein the second difference set further comprises a plurality of differences, each between pixel information of one of a plurality of pixels in the vicinity of the target pixel and pixel information of a corresponding pixel in the other one of the two frames involving the second difference set, respectively.
13. The method of claim 7, wherein the second criterion comprises a comparison between a difference in the second difference set and a second threshold value.
14. The method of claim 1, wherein the three successive frames involving the third difference set comprises the current frame, a frame, which is one frame prior to the current frame, and a frame, which is two frames prior to the current frame.
15. The method of claim 1, wherein the cross color suppression operation comprises averaging pixel information of the current frame and pixel information of a previous frame adjacent to the current frame.
16. The method of claim 1, further comprising:
performing cross luminance suppressing operation on pixel information of the current frame according to the set of stationary image judgment information.
17. The method of claim 16, wherein the cross luminance suppression operation comprises averaging pixel information of the current frame and pixel information of a previous frame adjacent to the current frame.
18. The method of claim 1, wherein the pixel information comprises luminance information.
19. The method of claim 1, wherein the pixel information comprises chrominance information.
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. Apparatus for produciug lead and zinc from concentrates of zinc and lead sulfides or oxides, consisting of.
(a) a source of zinc ore andor lead ore concentrates, iron bearing and carbon containing materials; metallic iron fines arid iron oxide fines; carbonaceous fluxing agent; and a binder;
(b) a mixer for forming a mixture from said concentrates and other materials;
(c) means communicating with said, mixer for forming agglomerates from said mixture;
(d) a melting furnace;
(e) a pressure sealed feed system communicating with said agglomerating means and said melting furnace for introducing said agglomerates to said melting furnace;
(f) a pressure sealed chamber surrounding said melting furnace;
(g) means for maintaining a reducing atmosphere within said melting furnace;
(h) means for vaporizing lead and zinc in the melting furnace;
(I) means for removing the lead and zinc from the melting furnace in vaporized form;
(j) Water-cooled condenser means for cooling and condensing the metal, vapors to liquid metal;
(k) tapping means communicating with said condenser for removing the liquid metal;
(l) means for separating the zinc and lead and recovering the lead and zinc metal separately;
(m) a cooler-scrubber communicating with said melting furnace for cleaning and cooling the off-gases removed from said melting furnace;
(n) a gas turbine communicating with said cooler-scrubber for receiving and utilizing the cleaned and cooled off-gases as combustion fuel; and
(o) a generator associated with and, driven by said gas turbine.
2. Apparatus according to claim 1, wherein the means for forming agglomerates is a pelletizer, briquetter, or agglomerator.
3. Apparatus according to claim 1, wherein the means for separating the zinc and lead and recovering the lead and zinc metal separately includes a settling pot associated with said condenser, said settling pot having zinc tapping means directed to a zinc tapping ladle.
4. Apparatus for producing lead and zinc from concentrates of zinc and lead sulfides or oxides, consisting of:
(a) a source of zinc ore andor lead ore concentrates, iron bearing and carbon containing materials; metallic iron fines and iron oxide fines; carbonaceous reductant; fluxing agent; and a binder;
(b) a mixer for forming a mixture from said concentrates and other materials;
(c) means communicating with said mixer for forming agglomerates from said mixture;
(d) a melting furnace;
(e) a heater communicating with said mixer for preheating the mixture and producing a preheated charge to said melting furnace;
(f) a pressure sealed feed system communicating with said agglomerating means and said melting furnace for introducing said agglomerates to said melting furnace;
(g) a pressure sealed chamber surrounding said melting furnace;
(h) means for maintaining, a reducing atmosphere within said melting furnace;
(i) means for vaporizing lead and zinc in the melting furnace;
(j) means for removing the lead and zinc from the melting furnace in vaporized form;
(k) water-cooled condenser means for cooling and condensing the metal vapors to liquid metal;
(l) tapping means communicating with said condenser for removing the liquid metal;
(m) means for separating the zinc and lead and recovering the lead and zinc metal separately;
(n) a cooler-scrubber communicating with said melting furnace for cleaning and cooling the off-gases removed from said melting furnace;
(o) a gas turbine communicating with said cooler-scrubber for receiving and utilizing the cleaned and cooled off-gases as combustion fuel; and
(p) a generator associated with and driven by said gas turbine.
5. Apparatus for producing lead and zinc from concentrates of zinc and lead sulfides or oxides, consisting of:
(a) a source of zinc ore andor lead ore concentrates, iron bearing and carbon containing materials; metallic iron fines and iron oxide fines; carbonaceous reductant; fluxing agent; and a binder;
(b) a mixer for forming a mixture from said concentrates and other materials;
(c) means communicating with said mixer for forming agglomerates from said mixture;
(d) a melting furnace;
(e) a pressure sealed feed system communicating with said agglomerating means and said melting furnace for introducing said agglomerates to said melting furnace;
(f) a pressure sealed chamber surrounding said melting furnace;
(g) means for maintaining a reducing atmosphere within said melting furnace;
(h) means for vaporizing lead and zinc in the melting furnace;
(I) means for removing the lead and zinc from the melting furnace in vaporized form;
(j) water-cooled condenser means for cooling and condensing the metal vapors to liquid metal;
(k) tapping means communicating with said condenser for removing the liquid metal;
(l) means for separating the zinc and lead and recovering the lead and zinc metal separately;
(m) a cooler-scrubber communicating with said melting furnace for cleaning and cooling the off-gases removed from said melting furnace;
(n) a gas turbine communicating with said cooler-scrubber for receiving and utilizing the cleaned and cooled off-gases as combustion fuel;
(o) a generator associated with and driven by said gas turbine; and
(p) a waste heat boiler associated with said gas turbine for recovering the sensible heat contained in off-gas exiting said gas turbine, and producing steam.
6. Apparatus for producing lead and zinc from concentrates of zinc and lead sulfides or oxides, consisting of:
(a) a source of zinc ore andor lead ore concentrates, iron bearing and carbon containing materials; metallic iron flues and iron oxide fines; carbonaceous reductant; fluxing agent; and a binder;
(b) a mixer for forming a mixture from said concentrates and other materials;
(c) means communicating with said mixer for forming agglomerates from said mixture;
(d) a melting furnace;
(e) a pressure sealed feed system communicating with said agglomerating means and said melting furnace for introducing said agglomerates to said melting furnace;
(f) a pressure sealed chamber surrounding said melting furnace;
(g) means for maintaining a reducing atmosphere within said melting furnace;
(h) means for vaporizing lead and zinc in the melting furnace;
(l) means for removing the lead and zinc from the melting furnace in vaporized form;
(j) water-cooled condenser means for cooling and condensing the metal vapors to liquid metal;
(k) tapping means communicating with said condenser for removing the liquid metal;
(l) means for separating the zinc and lead and recovering the lead and zinc metal separately;
(m) a cooler-scrubber communicating with said melting furnace for cleaning and cooling the off gases removed from said melting furnace;
(n) a gas turbine communicating with said cooler-scrubber for receiving and utilizing the cleaned and cooled off-gases as combustion fuel;
(o) a generator associated with and driven by said gas turbine;
(p) a waste heat boiler associated with said gas turbine for recovering the sensible heat contained in off-gas exiting said gas turbine, and producing steam;
(q) a steam turbine associated with said waste heat boiler adapted to be driven by the steam from said waste heat boiler, and an associated generator adapted to be driven by said steam turbine for producing additional electricity.